SNMP Security Protocols: Postscript
James M Galvin <galvin@tis.com> Thu, 19 December 1991 01:34 UTC
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Subject: SNMP Security Protocols: Postscript
Date: Wed, 18 Dec 1991 11:52:04 -0500
From: James M Galvin <galvin@tis.com>
%! for use by dvi2ps Version 2.00 % a start (Ha!) at a TeX mode for PostScript. % The following defines procedures assumed and used by program "dvi2ps" % and must be downloaded or sent as a header file for all TeX jobs. % By: Neal Holtz, Carleton University, Ottawa, Canada % <holtz@cascade.carleton.cdn> % <holtz%cascade.carleton.cdn@ubc.csnet> % June, 1985 % Last Modified: Aug 25/85 % oystr 12-Feb-1986 % Changed @dc macro to check for a badly formed bits in character % definitions. Can get a <> bit map if a character is not actually % in the font file. This is absolutely guaranteed to drive the % printer nuts - it will appear that you can no longer define a % new font, although the built-ins will still be there. % To convert this file into a downloaded file instead of a header % file, uncomment all of the lines beginning with %-% %-%0000000 % Server loop exit password %-%serverdict begin exitserver %-% systemdict /statusdict known %-% {statusdict begin 9 0 3 setsccinteractive /waittimeout 300 def end} %-% if /TeXDict 200 dict def % define a working dictionary TeXDict begin % start using it. % units are in "dots" (300/inch) /Resolution 300 def /Inch {Resolution mul} def % converts inches to internal units /Mtrx 6 array def %%%%%%%%%%%%%%%%%%%%% Page setup (user) options %%%%%%%%%%%%%%%%%%%%%%%% % dvi2ps will output coordinates in the TeX system ([0,0] 1" down and in % from top left, with y +ive downward). The default PostScript system % is [0,0] at bottom left, y +ive up. The Many Matrix Machinations in % the following code are an attempt to reconcile that. The intent is to % specify the scaling as 1 and have only translations in the matrix to % properly position the text. Caution: the default device matrices are % *not* the same in all PostScript devices; that should not matter in most % of the code below (except for lanscape mode -- in that, rotations of % -90 degrees resulted in the the rotation matrix [ e 1 ] % [ 1 e ] % where the "e"s were almost exactly but not quite unlike zeros. /@letter { letter initmatrix 72 Resolution div dup neg scale % set scaling to 1. 310 -3005 translate % move origin to top (these are not exactly 1" Mtrx currentmatrix pop % and -10" because margins aren't set exactly right) } def % note mode is like letter, except it uses less VM /@note { note initmatrix 72 Resolution div dup neg scale % set scaling to 1. 310 -3005 translate % move origin to top Mtrx currentmatrix pop } def /@landscape { letter initmatrix 72 Resolution div dup neg scale % set scaling to 1. % -90 rotate % it would be nice to be able to do this Mtrx currentmatrix 0 0.0 put % but instead we have to do things like this because what Mtrx 1 -1.0 put % should be zero terms aren't (and text comes out wobbly) Mtrx 2 1.0 put % Fie! This likely will not work on QMS printers Mtrx 3 0.0 put % (nor on others where the device matrix is not like Mtrx setmatrix % like it is on the LaserWriter). 300 310 translate % move origin to top Mtrx currentmatrix pop } def /@legal { legal initmatrix 72 Resolution div dup neg scale % set scaling to 1. 295 -3880 translate % move origin to top Mtrx currentmatrix pop } def /@manualfeed { statusdict /manualfeed true put } def % n @copies - set number of copies /@copies { /#copies exch def } def %%%%%%%%%%%%%%%%%%%% Procedure Defintions %%%%%%%%%%%%%%%%%%%%%%%%%% /@newfont % id @newfont - -- initialize a new font dictionary { /newname exch def pop newname 7 dict def % allocate new font dictionary newname load begin /FontType 3 def /FontMatrix [1 0 0 -1 0 0] def /FontBBox [0 0 1 1] def /BitMaps 128 array def /BuildChar {CharBuilder} def /Encoding 128 array def 0 1 127 {Encoding exch /.undef put} for end newname newname load definefont pop } def % the following is the only character builder we need. it looks up the % char data in the BitMaps array, and paints the character if possible. % char data -- a bitmap descriptor -- is an array of length 6, of % which the various slots are: /ch-image {ch-data 0 get} def % the hex string image /ch-width {ch-data 1 get} def % the number of pixels across /ch-height {ch-data 2 get} def % the number of pixels tall /ch-xoff {ch-data 3 get} def % number of pixels below origin /ch-yoff {ch-data 4 get} def % number of pixels to left of origin /ch-tfmw {ch-data 5 get} def % spacing to next character /CharBuilder % fontdict ch Charbuilder - -- image one character { /ch-code exch def % save the char code /font-dict exch def % and the font dict. /ch-data font-dict /BitMaps get ch-code get def % get the bitmap descriptor for char ch-data null eq not { ch-tfmw 0 ch-xoff neg ch-yoff neg ch-width ch-xoff sub ch-height ch-yoff sub setcachedevice ch-width ch-height true [1 0 0 1 ch-xoff ch-yoff] {ch-image} imagemask } if } def /@sf % fontdict @sf - -- make that the current font { setfont() pop } def % in the following, the font-cacheing mechanism requires that % a name unique in the particular font be generated /@dc % char-data ch @dc - -- define a new character bitmap in current font { /ch-code exch def % ++oystr 12-Feb-86++ dup 0 get length 2 lt { pop [ <00> 1 1 0 0 8.00 ] } % replace <> with null if % --oystr 12-Feb-86-- /ch-data exch def currentfont /BitMaps get ch-code ch-data put currentfont /Encoding get ch-code dup ( ) cvs cvn % generate a unique name simply from the character code put } def /@bop0 % n @bop0 - -- begin the char def section of a new page { } def /@bop1 % n @bop1 - -- begin a brand new page { pop erasepage initgraphics Mtrx setmatrix /SaveImage save def() pop } def /@eop % - @eop - -- end a page { showpage SaveImage restore() pop } def /@start % - @start - -- start everything { @letter % (there is not much to do) } def /@end % - @end - -- done the whole shebang { end } def /p % x y p - -- move to position { moveto } def /r % x r - -- move right { 0 rmoveto } def /s % string s - -- show the string { show } def /c % ch c - -- show the character (code given) { c-string exch 0 exch put c-string show } def /c-string ( ) def /ru % dx dy ru - -- set a rule (rectangle) { /dy exch neg def % because dy is height up from bottom /dx exch def /x currentpoint /y exch def def % remember current point newpath x y moveto dx 0 rlineto 0 dy rlineto dx neg 0 rlineto closepath fill x y moveto } def %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% the \special command junk %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % The structure of the PostScript produced by dvi2ps for \special is: % @beginspecial % - any number of @hsize, @hoffset, @hscale, etc., commands % @setspecial % - the users file of PostScript commands % @endspecial % The @beginspecial command recognizes whether the Macintosh Laserprep % has been loaded or not, and redfines some Mac commands if so. % The @setspecial handles the users shifting, scaling, clipping commands % The following are user settable options from the \special command. /@SpecialDefaults { /hs 8.5 Inch def /vs 11 Inch def /ho 0 def /vo 0 def /hsc 1 def /vsc 1 def /CLIP false def } def % d @hsize - specify a horizontal clipping dimension % these 2 are executed before the MacDraw initializations /@hsize {/hs exch def /CLIP true def} def /@vsize {/vs exch def /CLIP true def} def % d @hoffset - specify a shift for the drwgs /@hoffset {/ho exch def} def /@voffset {/vo exch def} def % s @hscale - set scale factor /@hscale {/hsc exch def} def /@vscale {/vsc exch def} def /@setclipper { hsc vsc scale CLIP { newpath 0 0 moveto hs 0 rlineto 0 vs rlineto hs neg 0 rlineto closepath clip } if } def % this will be invoked as the result of a \special command (for the % inclusion of PostScript graphics). The basic idea is to change all % scaling and graphics back to defaults, but to shift the origin % to the current position on the page. Due to TeXnical difficulties, % we only set the y-origin. The x-origin is set at the left edge of % the page. /@beginspecial % - @beginspecial - -- enter special mode { gsave /SpecialSave save def % the following magic incantation establishes the current point as % the users origin, and reverts back to default scalings, rotations currentpoint transform initgraphics itransform translate @SpecialDefaults % setup default offsets, scales, sizes @MacSetUp % fix up Mac stuff } def /@setspecial % to setup user specified offsets, scales, sizes (for clipping) { MacDrwgs {md begin /pxt ho def /pyt vo neg def end} {ho vo translate @setclipper} ifelse } def /@endspecial % - @endspecial - -- leave special mode { SpecialSave restore grestore } def /MacDrwgs false def % will get set if we think the Mac LaserPrep file has been loaded % - @MacSetUp - turn-off/fix-up all the MacDraw stuff that might hurt us % we depend on 'psu' being the first procedure executed % by a Mac document. We redefine 'psu' to adjust page % translations, and to do all other the fixups required. % This stuff will not harm other included PS files /@MacSetUp { userdict /md known % if md is defined { userdict /md get type /dicttype eq % and if it is a dictionary { /MacDrwgs true def md begin % then redefine some stuff /psu % redfine psu to set origins, etc. /psu load % this procedure contains almost all the fixup code { /letter {} def % it is bad manners to execute the real /note {} def % versions of these (clears page image, etc.) /legal {} def statusdict /waittimeout 300 put /page {pop} def % no printing of pages /pyt vo neg def % x & y pixel translations /pxt ho def } concatprocs def /od % redefine od to set clipping region /od load { @setclipper } concatprocs def end } if } if } def % p1 p2 concatprocs p - concatenate procedures /concatprocs { /p2 exch cvlit def /p1 exch cvlit def /p p1 length p2 length add array def p 0 p1 putinterval p p1 length p2 putinterval p cvx } def end % revert 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0001CE00038E000386000387000707000707000703800E03800E03800E01C0FF8FF8FF8FF8FF8FF8> 24 30 -1 10 23.863] 121 @dc [<FFFF80FFFF80FFFF80FFFF80> 24 4 -3 -12 23.863] 45 @dc [<01F0000FFE001FFF003F1F803C07807803C07803C0F001E0F001E0F001E0F001E0F001E0F001E07803C07803C03C07803E0F 801FFF000FFE0001F000> 24 20 -2 0 23.863] 111 @dc [<FF83C0FF87C0FF87C01C0FC01C0DC01C0DC01C1DC01C1DC01C19C01C39C01C39C01C39C01C31C01C71C01C71C01C61C01CE1 C01CE1C01CE1C01CC1C01DC1C01DC1C01D81C01D81C01F81C0FF0FF8FF0FF8FE0FF8> 24 28 -1 0 23.863] 78 @dc [<FFF3FEFFF3FEFFF3FE0F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F81E00F81E00FC1E00FE3E00FF3 E0FFFFE0FFFFC0FF7F80> 24 20 0 0 23.863] 110 @dc [<03FC0007FF000FFF801FDFC03F07E03E03E07E03E07C01E07801E0F801E0F80000F80000F00000F00000F00000F00000F000 00F00000F80000F80000F801E07801E07C03E07E03E03E07E03F0FE01FDFE00FFFE007FFE003FDE0> 24 30 -2 1 23.863] 67 @dc [<FFC7F8FFC7F8FFC7F80E03E00E07C00E0F800F1F800F9F000FFE000FFC000FFC000FF8000EFC000E7E000E3F000E1F800E0F C00E7FF00E7FF00E7FF00E00000E00000E00000E00000E0000FE0000FE0000FE0000> 24 28 -1 0 23.863] 107 @dc [<FFFFE0FFFFE0FFFFE0FFFFE0000000000000000000000000FFFFE0FFFFE0FFFFE0FFFFE0> 24 12 -2 -8 23.863] 61 @dc [<F0F8FC7E3E1E7E7E7E7E7E7C00000000000000007E7E7E7E7E7E> 8 26 -8 6 23.863] 59 @dc [<FF0000FFE000FFF0000FF00001F00000F00000F00000F00000F00000F00000F00000F00000F00000F00000F80000FC0000FF E0007FE0007FE000FFE000FC0000F80000F00000F00000F00000F00000F00000F00000F00000F00000F00001F0000FF000FF F000FFE000FF0000> 24 36 -2 4 23.863] 125 @dc cmr10.329 @sf [<6070783C3C1C1E0E0E7EFEFEFEFC78> 8 15 -3 -17 12.626] 39 @dc 45 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (By) s 15 r (virtue) s 15 r (of) s 16 r (this) s 15 r (mec) s -1 r (hanism,) s 15 r (the) s 15 r (proto) s 1 r (cols) s 15 r (realize) s 15 r (goal) s 16 r (3.) s 20 r (In) s 224 364 p (cases) s 15 r (in) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (lo) s 2 r (cal) s 15 r (notions) s 15 r (of) s 15 r 97 c 15 r (particular) s 16 r (SNMP) s 15 r (part) s -1 r 121 c 224 420 p (clo) s 1 r 99 c 0 r 107 c 14 r (are) s 15 r (mo) s 2 r (derately) s 15 r 119 c 0 r (ell-sync) s -2 r (hronized,) s 14 r (the) s 16 r (timeliness) s 224 477 p (mec) s 0 r (hanism) s 14 r (e\013ectiv) s 0 r (ely) s 14 r (limits) s 15 r (the) s 15 r (age) s 15 r (of) s 16 r 118 c -2 r (alidly) s 14 r (deliv) s 0 r (ered) s 224 533 p (messages.) s 20 r (Th) s 0 r (us,) s 14 r (if) s 15 r (an) s 16 r (attac) s -1 r 107 c -1 r (er) s 14 r (div) s 0 r (erts) s 14 r (all) s 15 r 118 c -1 r (alidated) s 14 r (messages) s 224 589 p (for) s 15 r (repla) s 0 r 121 c 14 r 109 c 0 r (uc) s -1 r 104 c 14 r (later,) s 15 r (the) s 15 r (dela) s 0 r 121 c 14 r (in) s 0 r (tro) s 0 r (duced) s 15 r 98 c 0 r 121 c 14 r (this) s 15 r (attac) s 0 r 107 c 14 r (is) s 224 646 p (limited) s 15 r (to) s 15 r 97 c 16 r 112 c 1 r (erio) s 1 r 100 c 15 r (that) s 15 r (is) s 16 r (prop) s 1 r (ortional) s 15 r (to) s 15 r (the) s 15 r (sk) s 0 r (ew) s 14 r (among) s 224 702 p (lo) s 1 r (cal) s 16 r (notions) s 15 r (of) s 15 r (the) s 15 r (part) s 0 r 121 c 14 r (clo) s 1 r 99 c 0 r (k.) s cmbx10.329 @sf 224 858 p (9.2.7) s 52 r (Selectiv) s 0 r 101 c 16 r (Clo) s 2 r 99 c -1 r 107 c 17 r (Acceleration) s 17 r (Mec) s 0 r (hanism) s cmr10.329 @sf 224 983 p (The) s 15 r (de\014nition) s 15 r (of) s 15 r (the) s 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (requires) s 15 r (that,) s 15 r (if) s 224 1040 p (the) s 15 r (timestamp) s 15 r 118 c -1 r (alue) s 14 r (on) s 15 r 97 c 15 r (receiv) s 0 r (ed,) s 14 r 118 c -1 r (alidated) s 14 r (message) s 15 r (exceeds) s 224 1096 p (the) s 15 r (lo) s 2 r (cal) s 15 r (notion) s 15 r (of) s 15 r (the) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r (the) s 16 r (originating) s 15 r (part) s 0 r 121 c -4 r 44 c 14 r (then) s 224 1153 p (that) s 15 r (notion) s 15 r (is) s 16 r (adjusted) s 15 r (forw) s -1 r (ard) s 15 r (to) s 15 r (corresp) s 1 r (ond) s 15 r (to) s 15 r (said) s 224 1209 p (timestamp) s 15 r 118 c -1 r (alue.) s 19 r (This) s 15 r (mec) s 0 r (hanism) s 14 r (is) s 15 r (neither) s 15 r (strictly) s 15 r (necessary) s 224 1266 p (nor) s 15 r (su\016cien) s 0 r 116 c 14 r (to) s 15 r (the) s 15 r (securit) s 0 r 121 c 14 r (of) s 16 r (the) s 15 r (proto) s 1 r (col;) s 15 r (rather,) s 15 r (it) s 15 r (fosters) s 224 1322 p (the) s 15 r (clo) s 2 r 99 c -1 r 107 c 14 r (sync) s 0 r (hronization) s 14 r (on) s 15 r (whic) s 0 r 104 c 14 r 118 c -1 r (alid) s 14 r (message) s 15 r (deliv) s 0 r (ery) s 224 1379 p (dep) s 1 r (ends) s 16 r 124 c 15 r (thereb) s -1 r 121 c 15 r (enhancing) s 15 r (the) s 15 r (e\013ectiv) s 0 r (eness) s 14 r (of) s 15 r (the) s 15 r (proto) s 1 r (col) s 224 1435 p (in) s 15 r 97 c 15 r (managemen) s 0 r 116 c 14 r (con) s 0 r (text.) s cmtt10.329 @sf 224 1557 p (if) s 24 r (\(msgIsValidated\)) s 24 r 123 c 415 1614 p (if) s 24 r (\(timestampOfReceivedMsg) s 24 r 62 c 606 1670 p (party->localNotionOfClock\)) s 24 r 123 c 606 1727 p (party->localNotionOfClock) s 24 r 61 c 797 1783 p (timestampOfReceivedMsg;) s 415 1839 p 125 c 224 1896 p 125 c cmr10.329 @sf 224 2018 p (The) s 15 r (e\013ect) s 15 r (of) s 16 r (this) s 15 r (mec) s -1 r (hanism) s 15 r (is) s 15 r (to) s 15 r (sync) s 0 r (hronize) s 14 r (lo) s 1 r (cal) s 15 r (notions) s 15 r (of) s 224 2075 p (the) s 15 r (part) s 0 r 121 c 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (more) s 15 r (closely) s 16 r (in) s 15 r (the) s 15 r (case) s 15 r (where) s 15 r 97 c 15 r (sender's) s 224 2131 p (notion) s 15 r (is) s 15 r (more) s 16 r (adv) s -2 r (anced) s 14 r (than) s 15 r 97 c 16 r (receiv) s -1 r (er's.) s 19 r (In) s 16 r (the) s 15 r (opp) s 1 r (osite) s 224 2187 p (case,) s 14 r (this) s 14 r (mec) s 0 r (hanism) s 12 r (has) s 14 r (no) s 13 r (e\013ect) s 14 r (on) s 14 r (lo) s 1 r (cal) s 14 r (notions) s 13 r (of) s 14 r (the) s 14 r (part) s -1 r 121 c 224 2244 p (clo) s 1 r 99 c 0 r (k,) s 14 r (and) s 15 r (either) s 16 r (the) s 15 r (receiv) s -1 r (ed) s 15 r (message) s 15 r (is) s 15 r 118 c -2 r (alidly) s 15 r (deliv) s -1 r (ered) s 14 r (or) s 224 2300 p (not) s 15 r (according) s 15 r (to) s 16 r (other) s 15 r (mec) s -1 r (hanisms) s 15 r (of) s 15 r (the) s 15 r (proto) s 1 r (col.) s 224 2396 p (Op) s 1 r (eration) s 16 r (of) s 15 r (this) s 15 r (mec) s 0 r (hanism) s 14 r (do) s 1 r (es) s 15 r (not,) s 15 r (in) s 15 r (general,) s 16 r (impro) s -1 r 118 c -1 r 101 c 14 r (the) s 224 2452 p (probabilit) s 0 r 121 c 14 r (of) s 15 r 118 c -1 r (alidated) s 14 r (deliv) s 0 r (ery) s 14 r (for) s 15 r (messages) s 15 r (generated) s 15 r 98 c 0 r 121 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (45]) s @eop 44 @bop0 cmtt10.329 @sf [<FFFFF0FFFFF0FFFFF00F00F00F00F00F00F00F00F00F00F00F00000F00000F00000F00000F00000F00000F00000F00000F00 000F00000F00000F00000F00000F00000F00000F00000F0000FFF000FFF000FFF000> 24 28 -1 0 23.863] 76 @dc [<FFF800FFFE00FFFF001E0F801E07C01E03C01E03E01E01E01E01E01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00 F01E00F01E01F01E01E01E01E01E03E01E03C01E07C01E0F80FFFF00FFFE00FFF800> 24 28 -1 0 23.863] 68 @dc [<FFE000FFE000FFE0001E00001E00001E00001E00001E00001E00001E00001E0F001E0F001E0F001FFF001FFF001FFF001E0F 001E0F001E0F001E00001E00001E00F01E00F01E00F01E00F0FFFFF0FFFFF0FFFFF0> 24 28 -1 0 23.863] 70 @dc [<FFDFF8FFDFF8FFDFF81E03C01E03C01E03C00F07800FFF800FFF800FFF800F0780078F00078F00078F00078F00078F00038E 0003DE0003DE0003DE0003DE0001DC0001DC0001DC0001FC0000F80000F80000F800> 24 28 -1 0 23.863] 65 @dc [<F7FE00FFFF00FFFF80FF1FC0FC07E0F803E0F803E0F001E0F001E00003E00003E00007E0000FE000FFC00FFF803FFF807FFE 007FE000FE0000FC0000F80000F80780F00780F80F80F80F80FC1F807E7F807FFF803FFF800FFF80> 24 30 -2 1 23.863] 83 @dc [<FFFFF8FFFFF8FFFFF81E00781E00781E00781E00781E00781E00001E00001E1E001E1E001E1E001FFE001FFE001FFE001E1E 001E1E001E1E001E00001E00001E00F01E00F01E00F01E00F0FFFFF0FFFFF0FFFFF0> 24 28 -1 0 23.863] 69 @dc cmbx10.329 @sf [<01FE0007FF800FFFC01FFFE03F8FF03F07F07F07F87F07F87E07F8FF07F8FF07F8FF07F8FF07F8FF07F8FF07F8FF07F0FF87 F0FFCFE0FFFFC0FFFF80FF7F007F00007F03E07F07F03F87F03FC7F01FE7F00FFFF007FFE001FFC0007F80> 24 31 -2 1 26.136] 54 @dc [<03FF801FFFF03FFFF87F83FCFE00FEFC007EFC007EFC007EFE01FE7FFFFE3FFFFC3FFFFC3FFFF87FFFF07FFFC07C00007800 007BFC003FFF003FFFC03F0FC07E07E07E07E07E07E07E07FC7E07FE3F0FFE3FFFDE0FFFFE03FDFC00007C> 24 31 -1 10 26.136] 103 @dc [<07FFFFE007FFFFE007FFFFE007FFFFE0000FF000000FF000000FF000000FF000000FF000000FF000000FF000000FF000000F F000000FF000000FF000000FF000000FF000F00FF01EF00FF01EF00FF01EF00FF01EF80FF03EF80FF03E780FF03C7C0FF07C 7F0FF0FC7FFFFFFC7FFFFFFC7FFFFFFC7FFFFFFC> 32 30 -2 0 36.362] 84 @dc cmtt10.329 @sf [<00F00000F00000F00000F00000F00000F00000F00000F000FFFFE0FFFFE0FFFFE0FFFFE000F00000F00000F00000F00000F0 0000F00000F00000F000> 24 20 -2 -4 23.863] 43 @dc [<000780000F80003F80007F8000FF0003FE0007F8000FF0003FE0007F8000FF0000FE0000FE0000FF00007F80003FE0000FF0 0007F80003FE0000FF00007F80003F80000F80000780> 24 24 -3 -2 23.863] 60 @dc 44 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (deliv) s 0 r (ered.) s 19 r (Otherwise,) s 15 r (the) s 15 r (record) s 16 r (of) s 15 r (the) s 15 r (timestamp) s 15 r (for) s 15 r (the) s 224 364 p (most) s 15 r (recen) s 0 r 116 c 14 r (lo) s 1 r (cally) s 16 r (deliv) s -1 r (ered) s 14 r 118 c -1 r (alidated) s 14 r (message) s 15 r (is) s 15 r (up) s 2 r (dated.) s cmtt10.329 @sf 224 524 p (if) s 24 r (\(msgIsValidated\)) s 24 r 123 c 320 581 p (if) s 23 r (\(timestampOfReceivedMsg) s 24 r 62 c 415 637 p (party->timestampOfLastDeliveredMsg\)) s 24 r 123 c 415 694 p (party->timestampOfLastDeliveredMsg) s 24 r 61 c 511 750 p (timestampOfReceivedMsg;) s 320 807 p 125 c 320 863 p (else) s 23 r 123 c 415 920 p (msgIsValidated) s 24 r 61 c 24 r (FALSE;) s 320 976 p 125 c 224 1033 p 125 c cmr10.329 @sf 224 1193 p (Although) s 15 r (not) s 15 r (explicitly) s 16 r (represen) s -1 r (ted) s 14 r (in) s 16 r (the) s 15 r (pseudo) s 1 r (co) s 1 r (de) s 15 r (ab) s 2 r 111 c -1 r 118 c -1 r (e,) s 224 1250 p (in) s 15 r (the) s 15 r (Digest) s 16 r (Authen) s -1 r (tication) s 14 r (Proto) s 2 r (col,) s 15 r (the) s 15 r (ordered) s 15 r (deliv) s 0 r (ery) s 224 1306 p (mec) s 0 r (hanism) s 14 r 109 c 0 r (ust) s 14 r (ensure) s 15 r (that,) s 15 r (when) s 15 r (the) s 16 r (authen) s -1 r (tication) s 224 1363 p (timestamp) s 15 r (of) s 15 r (the) s 16 r (receiv) s -1 r (ed) s 14 r (message) s 16 r (is) s 15 r (equal) s 15 r (to) s 15 r (the) s 224 1419 p (last-timestamp,) s 15 r (receiv) s 0 r (ed) s 14 r (messages) s 15 r (con) s 0 r (tin) s -1 r (ue) s 14 r (to) s 15 r 98 c 1 r 101 c 16 r (deliv) s -1 r (ered) s 14 r (as) s 224 1476 p (long) s 15 r (as) s 15 r (their) s 16 r (nonce) s 15 r 118 c -2 r (alues) s 14 r (are) s 16 r (monotonically) s 15 r (increasing.) s 20 r (By) s 224 1532 p (virtue) s 15 r (of) s 15 r (this) s 16 r (mec) s -1 r (hanism,) s 14 r (the) s 16 r (proto) s 1 r (cols) s 15 r (realize) s 15 r (goal) s 15 r (4.) s cmbx10.329 @sf 224 1709 p (9.2.6) s 52 r (Message) s 18 r (Timeliness) s 17 r (Mec) s 0 r (hanism) s cmr10.329 @sf 224 1840 p (The) s 15 r (de\014nition) s 15 r (of) s 15 r (the) s 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (requires) s 15 r (that,) s 15 r (if) s 224 1896 p (the) s 15 r (authen) s 0 r (tication) s 14 r (timestamp) s 15 r 118 c -1 r (alue) s 14 r (on) s 15 r 97 c 15 r (receiv) s 0 r (ed) s 14 r (message) s 15 r 124 c 224 1953 p (augmen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r (an) s 15 r (administrativ) s 0 r (ely) s 14 r 99 c 0 r (hosen) s 14 r (lifetime) s 15 r 118 c -2 r (alue) s 15 r 124 c 15 r (is) s 224 2009 p (less) s 15 r (than) s 15 r (the) s 16 r (lo) s 1 r (cal) s 15 r (notion) s 15 r (of) s 15 r (the) s 15 r (clo) s 2 r 99 c -1 r 107 c 15 r (for) s 15 r (the) s 15 r (originating) s 224 2066 p (SNMP) s 15 r (part) s 0 r 121 c -4 r 44 c 14 r (the) s 16 r (message) s 15 r (is) s 15 r (not) s 15 r (deliv) s 0 r (ered.) s cmtt10.329 @sf 224 2227 p (if) s 24 r (\(timestampOfReceivedMsg) s 24 r 43 c 415 2283 p (party->administrativeLifetime) s 24 r (<=) s 415 2340 p (party->localNotionOfClock\)) s 24 r 123 c 415 2396 p (msgIsValidated) s 24 r 61 c 24 r (FALSE;) s 224 2452 p 125 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (44]) s @eop 43 @bop0 cmtt10.329 @sf [<FF87F8FF87F8FF87F81C03E01C03C01C07C01C07801C0F801E0F001E1F001F1E001FBE001FFC001FFC001FF8001DF8001DF8 001CF8001C7C001C3E001C3F001C1F001C0F801C07C01C07E0FF87F8FF87F8FF87F8> 24 28 -1 0 23.863] 75 @dc [<F800FC00FE003E001F000F007F007F007F007F007F007E00> 16 12 -8 6 23.863] 44 @dc [<0707000F8F800F8F800F8F800DDD800DDD800DDD801CD9C01CF9C01CF9C01CF9C01C71C01C01C01C01C03800E03800E03800 E0FF8FF8FF8FF8FF8FF8> 24 20 -1 0 23.863] 119 @dc [<03FFFE07FFFE0FFFFE0FCFE00F07E00F03E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01 E0FF1FE0FF1FE0FF1FE0> 24 20 0 0 23.863] 117 @dc [<00FE0003FF8007FFC00FEFE00FC7E00F83E01F01F01F01F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00 F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F0FFC7FEFFC7FEFFC7FE> 24 29 0 1 23.863] 85 @dc [<FFF3FEFFF3FEFFF3FE0F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F01E00F81E00F81E00FC1E00FE3E00FF3 E00FFFE00FFFC00F7F800F00000F00000F00000F00000F0000FF0000FF0000FF0000> 24 28 0 0 23.863] 104 @dc [<07FF8007FF8007FF800078000078000078000078000078000078000078000078000078000078000078000078000078000078 00007800007800007800007800F07878F07878F07878F07878FFFFF8FFFFF8FFFFF8> 24 28 -1 0 23.863] 84 @dc cmbx10.329 @sf [<0FF0001FFC003FFF007FFF80FC7FC0FE3FC0FE1FC0FE1FE0FE1FE0FE1FE07C1FE0001FE0001FE0781FE0781FC07C1FC07F3F 807FFF007FFE007BF8007800007800007800007FE0007FF8007FFC007FFF007FFF807FFF807FFF80700380> 24 31 -3 1 26.136] 53 @dc [<000FF00000007FFE000001FFFF800007FC3FE0000FF00FF0001FE007F8001FE007F8003FC003FC003FC003FC007FC003FE00 7F8001FE007F8001FE00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00 FF8001FF007F8001FE007F8001FE007F8001FE003FC003FC003FC003FC001FC003F8000FE007F0000FF00FF00007FC3FE000 01FFFF8000007FFE0000000FF00000> 40 33 -3 1 39.266] 79 @dc [<FFFFFE0000FFFFFFC000FFFFFFF000FFFFFFF80007F80FFC0007F803FE0007F800FF0007F800FF0007F8007F8007F8007F80 07F8007F8007F8007FC007F8007FC007F8007FC007F8007FC007F8007FC007F8007FC007F8007FC007F8007FC007F8007FC0 07F8007F8007F8007F8007F8007F8007F800FF0007F801FF0007F803FE0007F80FFC00FFFFFFF800FFFFFFF000FFFFFFC000 FFFFFE0000> 40 31 -2 0 40.087] 68 @dc 43 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p 119 c 0 r 97 c -1 r 121 c 14 r (that) s 15 r (is) s 15 r (consisten) s 0 r 116 c 14 r (with) s 15 r (the) s 15 r (de\014ned) s 15 r (seman) s 0 r (tics) s 14 r (of) s 15 r (the) s 224 364 p (SNMP) s 15 r (Set) s 15 r (op) s 2 r (eration.) s cmtt10.329 @sf 224 518 p (Void) s 24 r (partySetKey) s 24 r (\(party,) s 24 r (newKeyValue\)) s 224 574 p 123 c 320 631 p (if) s 23 r (\(party->clockAltered\)) s 24 r 123 c 415 687 p (party->clockAltered) s 24 r 61 c 24 r (FALSE;) s 415 744 p (party->keyAltered) s 24 r 61 c 24 r (FALSE;) s 415 800 p (party->keyInUse) s 24 r 61 c 24 r (newKeyValue;) s 415 856 p (party->clockInUse) s 24 r 61 c 24 r (party->clockCache;) s 320 913 p 125 c 320 969 p (else) s 23 r 123 c 415 1026 p (party->keyAltered) s 24 r 61 c 24 r (TRUE;) s 415 1082 p (party->keyCache) s 24 r 61 c 24 r (newKeyValue;) s 320 1139 p 125 c 224 1195 p 125 c 224 1308 p (Void) s 24 r (partySetClock) s 24 r (\(party,) s 24 r (newClockValue\)) s 224 1365 p 123 c 320 1421 p (if) s 23 r (\(party->keyAltered\)) s 24 r 123 c 415 1477 p (party->keyAltered) s 24 r 61 c 24 r (FALSE;) s 415 1534 p (party->clockAltered) s 24 r 61 c 24 r (FALSE;) s 415 1590 p (party->clockInUse) s 24 r 61 c 24 r (newClockValue;) s 415 1647 p (party->keyInUse) s 24 r 61 c 24 r (party->keyCache;) s 320 1703 p 125 c 320 1760 p (else) s 23 r 123 c 415 1816 p (party->clockAltered) s 24 r 61 c 24 r (TRUE;) s 415 1873 p (party->clockCache) s 24 r 61 c 24 r (newClockValue;) s 320 1929 p 125 c 224 1986 p 125 c cmbx10.329 @sf 224 2155 p (9.2.5) s 52 r (Ordered) s 18 r (Deliv) s -1 r (ery) s 17 r (Mec) s -1 r (hanism) s cmr10.329 @sf 224 2283 p (The) s 15 r (de\014nition) s 15 r (of) s 16 r (the) s 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 15 r (requires) s 15 r (that,) s 16 r (if) s 224 2340 p (the) s 15 r (timestamp) s 15 r 118 c -1 r (alue) s 14 r (on) s 15 r 97 c 15 r (receiv) s 0 r (ed) s 14 r (message) s 15 r (do) s 2 r (es) s 15 r (not) s 15 r (exceed) s 224 2396 p (the) s 15 r (timestamp) s 15 r (of) s 16 r (the) s 15 r (most) s 15 r (recen) s 0 r 116 c 14 r 118 c -2 r (alidated) s 14 r (message) s 16 r (lo) s 1 r (cally) s 224 2452 p (deliv) s 0 r (ered) s 14 r (from) s 15 r (the) s 15 r (originating) s 15 r (part) s 0 r 121 c -4 r 44 c 15 r (then) s 15 r (that) s 15 r (message) s 15 r (is) s 15 r (not) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (43]) s @eop 42 @bop0 cmbx10.329 @sf [<FFFFC0FFFFC0FFFFC0FFFFC007F80007F80007F80007F80007F80007F80007F80007F80007F80007F80007F80007F80007F8 0007F80007F80007F80007F80007F80007F80007F80007F80007F80007F800FFFFC0FFFFC0FFFFC0FFFFC0> 24 31 -1 0 19.823] 73 @dc cmr10.329 @sf [<FFFC7FFEFFFC7FFEFFFC7FFE07E00FC007E00FC007E00FC007E00FC007E00FC007E00FC007E00FC007E00FC007E00FC007E0 0FC007E00FC007E00FC007FFFFC007FFFFC007FFFFC007E00FC007E00FC007E00FC007E00FC007E00FC007E00FC007E00FC0 07E00FC007E00FC007E00FC0FFFC7FFEFFFC7FFEFFFC7FFE> 32 31 -1 0 34.090] 72 @dc cmbx10.329 @sf [<03FC001FFF803FFFC07FFFE07E1FF0FF0FF0FF0FF8FF0FF8FF0FF8FF0FF87E0FF83C0FF8000FF0001FF0001FE001FF8001FE 0001FF00003F80003FC01F9FE03F9FE03F9FE03FDFE03F9FE03F9FE03F3FC01FFFC00FFF8007FF0003FC00> 24 31 -2 1 26.136] 51 @dc [<03FCFFC00FFFFFC01FFFFFC01FC3FFC01FC1FE001FC0FE001FC0FE001FC0FE001FC0FE001FC0FE001FC0FE001FC0FE001FC0 FE001FC0FE001FC0FE001FC0FE00FFC7FE00FFC7FE00FFC7FE00FFC7FE00> 32 20 -2 0 29.040] 117 @dc [<01FFFE01FFFE01FFFE01FFFE000FE0000FE0000FE0000FE0FFFFFEFFFFFEFFFFFEFFFFFEF807E07C07E03E07E01E07E00F07 E00787E003C7E003E7E001F7E000FFE0007FE0003FE0001FE0000FE0000FE00007E00003E0> 24 29 -1 0 26.136] 52 @dc [<000001FFC0FFFFCFFFE0FFFFDFFFE0FFFFFFFDF0FFFFFFF0F007F83FF0F007F83FE0F007F83FE00007F83FE00007F83FE000 07F83FC00007F83FC00007F83FC00007F87F800007F8FF800007FFFF000007FFFF000007FFFFC00007F81FE00007F80FF000 07F80FF00007F80FF80007F80FF80007F80FF80007F80FF80007F80FF80007F80FF00007F81FF000FFFFFFE000FFFFFFC000 FFFFFF0000FFFFF80000> 40 32 -2 1 39.203] 82 @dc cmti10.329 @sf [<FFFE0000FFFE0000FFFE000007C0000007C0000007E0000003E0000003E0000003E0000003F0E00001F0F00001F0700001F0 700001F8F00000FFF80000FFF80000FFF80000FC7800007C3C00007C1C70007C1C70007E1C70003E0070003E0078003E0078 003F0078001F0078001F01F801FFFFF801FFFFFC01FFFFFC> 32 31 -3 0 29.671] 70 @dc 42 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 224 307 p (9.2.2) s 52 r (Data) s 18 r (In) s -1 r (tegrit) s -1 r 121 c 16 r (Mec) s 0 r (hanism) s cmr10.329 @sf 224 434 p (The) s 15 r (proto) s 2 r (cols) s 15 r (require) s 15 r (computation) s 15 r (of) s 15 r 97 c 15 r (message) s 15 r (digest) s 224 490 p (computed) s 15 r 111 c 0 r 118 c -1 r (er) s 14 r (the) s 15 r (SNMP) s 15 r (message) s 15 r (prep) s 2 r (ended) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (secret) s 224 547 p (for) s 15 r (the) s 15 r (relev) s -1 r (an) s -1 r 116 c 14 r (part) s 0 r 121 c -4 r 46 c 19 r (By) s 15 r (virtue) s 15 r (of) s 15 r (this) s 16 r (mec) s -1 r (hanism) s 14 r (and) s 224 603 p (assumptions) s 15 r 49 c 15 r (and) s 16 r (4,) s 15 r (the) s 15 r (proto) s 1 r (cols) s 15 r (realize) s 15 r (goal) s 16 r (1.) s 224 700 p (Normally) s -3 r 44 c 15 r (the) s 15 r (inclusion) s 15 r (of) s 15 r (the) s 15 r (message) s 15 r (digest) s 15 r 118 c -1 r (alue) s 14 r (with) s 15 r (the) s 224 756 p (digested) s 15 r (message) s 15 r 119 c 0 r (ould) s 14 r (not) s 15 r 98 c 2 r 101 c 15 r (su\016cien) s 0 r 116 c 14 r (to) s 15 r (guaran) s 0 r (tee) s 14 r (data) s 224 813 p (in) s 0 r (tegrit) s -1 r 121 c -4 r 44 c 14 r (since) s 15 r (the) s 15 r (digest) s 15 r 118 c -1 r (alue) s 14 r (can) s 15 r 98 c 1 r 101 c 16 r (mo) s 1 r (di\014ed) s 15 r (in) s 15 r (addition) s 15 r (to) s 224 869 p (the) s 15 r (message) s 15 r (while) s 16 r (it) s 15 r (is) s 15 r (enroute.) s 20 r (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 14 r (since) s 16 r (not) s 15 r (all) s 15 r (of) s 15 r (the) s 224 926 p (digested) s 15 r (message) s 15 r (is) s 16 r (included) s 15 r (in) s 15 r (the) s 15 r (transmission) s 15 r (to) s 15 r (the) s 224 982 p (destination,) s 15 r (it) s 14 r (is) s 15 r (not) s 14 r 112 c 1 r (ossible) s 15 r (to) s 14 r (substitute) s 15 r 98 c 1 r (oth) s 15 r 97 c 14 r (message) s 14 r (and) s 224 1039 p 97 c 15 r (digest) s 15 r 118 c -1 r (alue) s 14 r (while) s 15 r (enroute) s 15 r (to) s 16 r 97 c 15 r (destination.) s cmbx10.329 @sf 224 1203 p (9.2.3) s 52 r (Data) s 18 r (Origin) s 17 r (Authen) s 0 r (tication) s 16 r (Mec) s 0 r (hanism) s cmr10.329 @sf 224 1330 p (The) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -1 r 121 c 14 r (mec) s 0 r (hanism) s 14 r (requires) s 15 r (the) s 15 r (use) s 15 r (of) s 16 r 97 c 15 r (secret) s 224 1387 p 118 c -1 r (alue) s 14 r (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (comm) s 0 r (unicating) s 14 r (parties.) s 20 r (By) s 15 r (virtue) s 15 r (of) s 16 r (this) s 224 1443 p (mec) s 0 r (hanism) s 14 r (and) s 15 r (assumptions) s 15 r 49 c 15 r (and) s 16 r (4,) s 15 r (the) s 15 r (proto) s 1 r (cols) s 15 r (explicitly) s 224 1500 p (prev) s 0 r (en) s -1 r 116 c 14 r (unauthorized) s 15 r (mo) s 1 r (di\014cation) s 15 r (of) s 15 r (messages.) s 21 r (Data) s 15 r (origin) s 224 1556 p (authen) s 0 r (tication) s 14 r (is) s 15 r (implicit) s 15 r (if) s 15 r (the) s 16 r (message) s 15 r (digest) s 15 r 118 c -2 r (alue) s 15 r (can) s 15 r 98 c 1 r 101 c 224 1613 p 118 c 0 r (eri\014ed.) s 19 r (That) s 15 r (is,) s 15 r (the) s 16 r (proto) s 1 r (cols) s 15 r (realize) s 15 r (goal) s 15 r (2.) s cmbx10.329 @sf 224 1777 p (9.2.4) s 52 r (Restricted) s 18 r (Administration) s 17 r (Mec) s 0 r (hanism) s cmr10.329 @sf 224 1904 p (This) s 15 r (memo) s 15 r (requires) s 16 r (that) s 15 r (implemen) s -1 r (tations) s 15 r (preclude) s 224 1961 p (administrativ) s 0 r 101 c 14 r (alterations) s 15 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 2 r 99 c -1 r 107 c 15 r (for) s 15 r 97 c 224 2017 p (particular) s 15 r (part) s 0 r 121 c 14 r (indep) s 1 r (enden) s 0 r (tly) s 14 r (from) s 15 r (its) s 16 r (priv) s -2 r (ate) s 14 r (authen) s 0 r (tication) s 224 2074 p 107 c 0 r (ey) s 14 r (\(unless) s 15 r (that) s 15 r (clo) s 2 r 99 c -1 r 107 c 14 r (alteration) s 16 r (is) s 15 r (an) s 15 r (adv) s -2 r (ancemen) s -1 r (t\).) s 19 r (An) s 224 2130 p (example) s 15 r (of) s 15 r (an) s 16 r (e\016cien) s -1 r 116 c 14 r (implemen) s 0 r (tation) s 14 r (of) s 16 r (this) s 15 r (restriction) s 15 r (is) s 224 2186 p (pro) s 0 r (vided) s 14 r (in) s 15 r 97 c 15 r (pseudo) s 2 r (co) s 1 r (de) s 15 r (fragmen) s 0 r 116 c 14 r 98 c 1 r (elo) s 0 r (w.) s 19 r (This) s 15 r (pseudo) s 2 r (co) s 1 r (de) s 224 2243 p (fragmen) s 0 r 116 c 14 r (meets) s 15 r (the) s 15 r (requiremen) s 0 r (ts) s 14 r (of) s 15 r (assumption) s 16 r (5.) s cmti10.329 @sf 224 2340 p (Pseudo) s -1 r 99 c -2 r 111 c -3 r (de) s 15 r 70 c -2 r 114 c -2 r (agment.) s cmr10.329 @sf 19 r (Observ) s 0 r 101 c 14 r (that) s 15 r (the) s 15 r (requiremen) s 0 r 116 c 14 r (is) s 15 r (not) s 15 r (for) s 224 2396 p (sim) s 0 r (ultaneous) s 14 r (alteration) s 15 r (but) s 15 r (to) s 15 r (preclude) s 16 r (indep) s 1 r (enden) s 0 r 116 c 224 2452 p (alteration.) s 20 r (This) s 16 r (latter) s 15 r (requiremen) s -1 r 116 c 15 r (is) s 15 r (fairly) s 15 r (easily) s 15 r (realized) s 15 r (in) s 15 r 97 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (42]) s @eop 41 @bop0 cmbx10.329 @sf [<FFFF80FFFF80FFFF80FFFF8007F00007F00007F00007F00007F00007F00007F00007F00007F00007F00007F00007F00007F0 0007F00007F00007F00007F00007F00007F000F7F000FFF000FFF000FFF0000FF00001F000007000> 24 30 -4 0 26.136] 49 @dc 41 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 280 307 p (2.) s 22 r (It) s 16 r (is) s 15 r (computationally) s 15 r (infeasible) s 15 r (to) s 15 r (determine) s 15 r (the) s 15 r (secret) s 338 364 p (used) s 15 r (in) s 15 r (calculating) s 15 r 97 c 15 r (digest) s 16 r (on) s 15 r (the) s 15 r (concaten) s 0 r (tation) s 14 r (of) s 15 r (the) s 338 420 p (secret) s 15 r (and) s 15 r 97 c 15 r (message) s 15 r (when) s 16 r 98 c 1 r (oth) s 15 r (the) s 15 r (digest) s 15 r (and) s 15 r (the) s 338 477 p (message) s 15 r (are) s 15 r (kno) s 0 r (wn.) s 280 570 p (3.) s 22 r (The) s 16 r 99 c -1 r (hosen) s 14 r (symmetric) s 16 r (encryption) s 15 r (algorithm) s 15 r (satis\014es) s 15 r (its) s 338 627 p (design) s 14 r (criteria.) s 20 r (In) s 15 r (particular,) s 15 r (it) s 14 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (computationally) s 338 683 p (infeasible) s 15 r (to) s 15 r (determine) s 15 r (the) s 15 r (cleartext) s 16 r (message) s 15 r (from) s 15 r (the) s 338 739 p (ciphertext) s 15 r (message) s 15 r (without) s 15 r (kno) s -1 r (wledge) s 14 r (of) s 15 r (the) s 15 r 107 c 0 r (ey) s 14 r (used) s 15 r (in) s 338 796 p (the) s 15 r (transformation.) s 280 889 p (4.) s 22 r (Lo) s 2 r (cal) s 14 r (notions) s 15 r (of) s 15 r 97 c 15 r (part) s -1 r (y's) s 14 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 13 r (while) s 15 r (it) s 15 r (is) s 338 946 p (asso) s 1 r (ciated) s 15 r (with) s 15 r 97 c 16 r (sp) s 1 r (eci\014c) s 15 r (priv) s -2 r (ate) s 15 r 107 c -1 r (ey) s 14 r 118 c -1 r (alue) s 14 r (are) s 338 1002 p (monotonically) s 15 r (non-decreasing) s 15 r (\(i.e.,) s 15 r (they) s 15 r (nev) s 0 r (er) s 14 r (run) s 338 1059 p (bac) s 0 r (kw) s -2 r (ards\)) s 14 r (in) s 16 r (the) s 15 r (absence) s 15 r (of) s 15 r (administrativ) s 0 r 101 c 338 1115 p (manipulations.) s 280 1209 p (5.) s 22 r (The) s 16 r (secrets) s 15 r (for) s 15 r 97 c 15 r (particular) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (kno) s 0 r (wn) s 14 r (only) s 338 1265 p (to) s 15 r (authorized) s 15 r (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s -1 r (tities.) s 280 1359 p (6.) s 22 r (Lo) s 2 r (cal) s 15 r (notions) s 15 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r 97 c 16 r (particular) s 338 1415 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (nev) s 0 r (er) s 14 r (altered) s 15 r (suc) s 0 r 104 c 14 r (that) s 15 r (the) s 338 1472 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k's) s 14 r (new) s 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (less) s 15 r (than) s 15 r (the) s 15 r (curren) s 0 r 116 c 338 1528 p 118 c -2 r (alue) s 14 r (without) s 16 r (also) s 15 r (altering) s 15 r (the) s 15 r (priv) s -2 r (ate) s 15 r (authen) s -1 r (tication) s 338 1585 p 107 c 0 r (ey) s -4 r 46 c 224 1717 p 70 c -3 r (or) s 14 r (eac) s 0 r 104 c 13 r (mec) s 0 r (hanism) s 14 r (of) s 14 r (the) s 15 r (proto) s 1 r (col,) s 15 r (an) s 15 r (informal) s 14 r (accoun) s 0 r 116 c 14 r (of) s 14 r (its) s 224 1773 p (con) s 0 r (tribution) s 14 r (to) s 15 r (the) s 15 r (required) s 15 r (goals) s 16 r (is) s 15 r (presen) s 0 r (ted) s 14 r 98 c 1 r (elo) s 0 r (w.) s 224 1830 p (Pseudo) s 1 r (co) s 2 r (de) s 15 r (fragmen) s 0 r (ts) s 14 r (are) s 15 r (pro) s 0 r (vided) s 14 r (where) s 15 r (appropriate) s 15 r (to) s 224 1886 p (exemplify) s 15 r 112 c 2 r (ossible) s 15 r (implemen) s -1 r (tations;) s 15 r (they) s 15 r (are) s 15 r (in) s 0 r (tended) s 14 r (to) s 15 r 98 c 1 r 101 c 224 1943 p (self-explanatory) s -3 r 46 c cmbx10.329 @sf 224 2102 p (9.2.1) s 52 r (Clo) s 2 r 99 c -1 r 107 c 17 r (Monotonicit) s -1 r 121 c 17 r (Mec) s -1 r (hanism) s cmr10.329 @sf 224 2227 p (By) s 15 r (pairing) s 14 r (eac) s 0 r 104 c 14 r (sequence) s 14 r (of) s 15 r 97 c 14 r (clo) s 2 r 99 c -1 r (k's) s 14 r 118 c -2 r (alues) s 14 r (with) s 15 r 97 c 14 r (unique) s 15 r 107 c 0 r (ey) s -4 r 44 c 224 2283 p (the) s 15 r (proto) s 2 r (cols) s 15 r (partially) s 15 r (realize) s 15 r (goals) s 15 r 51 c 15 r (and) s 15 r (4,) s 16 r (and) s 15 r (the) s 224 2340 p (conjunction) s 15 r (of) s 15 r (this) s 16 r (prop) s 1 r (ert) s 0 r 121 c 14 r (with) s 15 r (assumption) s 15 r 49 c 15 r (ab) s 1 r 111 c 0 r 118 c -1 r 101 c 14 r (is) s 224 2396 p (su\016cien) s 0 r 116 c 14 r (for) s 15 r (the) s 15 r (claim) s 15 r (that) s 16 r (all) s 15 r (lo) s 1 r (cal) s 15 r (notions) s 15 r (of) s 16 r 97 c 15 r (part) s -1 r (y's) s 224 2452 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (are,) s 15 r (in) s 15 r (general,) s 16 r (non-decreasing) s 15 r (with) s 15 r (time.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (41]) s @eop 40 @bop0 cmr10.329 @sf [<3C0F007E1F80FE3F80FE3F80FE3F80FC3F00E03800E03800F03C00701C00781E00781E003C0F001C07000C0300> 24 15 -3 -17 22.727] 92 @dc [<601800701C00781E003C0F003C0F001C07001E07800E03800E03807E1F80FE3F80FE3F80FE3F80FC3F00781E00> 24 15 -2 -17 22.727] 34 @dc [ 300 ] /cmbx12.300 @newfont cmbx12.300 @sf [<03F8000FFF001FFF801FFFC03F1FE03F87F03F83F83F83F83F81FC1F01FC0001FC03F9FE0FFFFE1FFFFE3F87FE7F03FE7F03 FE7F03FEFF01FEFF01FEFF01FEFF01FEFF01FEFF01FEFF01FCFF01FCFF01FC7F01FC7F03F83FC7F81FFFF00FFFE007FFC001 FE00> 24 34 -2 1 28.019] 57 @dc [<3E007F00FF80FF80FF80FF80FF807F003E00> 16 9 -3 0 15.566] 46 @dc [<FFFFF0FFFFF0FFFFF0FFFFF0FFFFF07FFFF03FFFF81E00F80F807807C07803E07803F07801F80000FE00007F00003F80003F C0001FE0000FF0000FF8000FF83C0FF87E07F8FF0FF8FF0FF8FF0FF8FF1FF0FF1FF07E7FE07FFFE03FFFC01FFF0003FC00> 24 33 -3 0 28.019] 50 @dc [<FFFFC00000FFFFC00000FFFFC00000FFFFC0000007F800000007F800000007F800000007F800000007F800000007F8000000 07F800000007F800000007F800000007F800000007FFFF800007FFFFF00007FFFFF80007F807FC0007F803FE0007F801FE00 07F801FF0007F801FF0007F801FF0007F801FF0007F801FF0007F801FF0007F801FF0007F801FE0007F803FE0007F807FC00 FFFFFFF800FFFFFFF000FFFFFFC000FFFFFF0000> 40 34 -2 0 38.281] 80 @dc [<FFFC00FFFC00FFFC00FFFC001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC3E01FC7F01FE7 F01FE7F0FFF7F0FFFFF0FFFFE0FF9F80> 24 22 -1 0 22.888] 114 @dc [<00FE0007FFC00FFFE01FC7F03F01F87F01FC7F01FCFF01FEFF01FEFF01FEFF01FEFF01FEFF01FEFF01FE7F01FC7F01FC7F01 FC3F01F81F83F00FFFE007FFC000FE00> 24 22 -2 0 28.019] 111 @dc [<03F80007FE000FFF001FEF801FC7801FC7801FC7801FC7801FC7801FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0 001FC000FFFF00FFFF00FFFF003FFF001FC0000FC00007C00007C00007C00003C00003C00003C00003C00003C000> 24 32 -1 0 21.793] 116 @dc [<01FE0007FF801FFFE03FE3E03FC1F07F80F07F8000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF03E07F07F07F87 F03F87F03FC7F01FFFF007FFE001FF80> 24 22 -2 0 24.906] 99 @dc [<FFF8FFF8FFF8FFF81FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC0 1FC01FC01FC01FC01FC01FC0FFC0FFC0FFC0FFC0> 16 35 -1 0 15.566] 108 @dc [<0003FE0000003FFFC00000FFFFF00001FFFFF80007FF81FC000FFC007E000FF8003F001FF0001F003FE0000F003FC0000F80 7FC00007807FC00007807F80000780FF80000000FF80000000FF80000000FF80000000FF80000000FF80000000FF80000000 FF80000000FF80000000FF800007807F800007807FC00007807FC0000F803FC0000F803FE0001F801FF0001F800FF8003F80 0FFC007F8007FF81FF8001FFFFFF8000FFFFEF80003FFFC7800003FE0380> 40 36 -3 1 40.472] 67 @dc [<00FF0007FFC00FFFE01FE1F03FC0F87F80787F0000FF0000FF0000FF0000FF0000FFFFF8FFFFF8FFFFF8FF03F87F03F87F03 F03F87F03FCFE01FFFE007FF8001FE00> 24 22 -2 0 25.569] 101 @dc [<FFF8FFF0FFF8FFF0FFF8FFF0FFF8FFF01FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC0 3F801FC03F801FC03F801FE03F801FE03F801FF03F80FFFC7F80FFFFFF00FFDFFE00FFC3FC00> 32 22 -1 0 31.133] 110 @dc [<E7F800FFFE00FFFF00FE1F00F80F80F80F80F01F80003F8003FF801FFF803FFF007FFF00FFFE00FFF800FFC000FC0000F80F 00F80F007C3F007FFF003FFF000FFF00> 24 22 -2 0 22.104] 115 @dc cmr10.329 @sf [<78FCFCFCFC78000000000000000078FCFCFCFC78> 8 20 -3 0 12.626] 58 @dc 40 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 354 307 p (\(d\)) s 23 r (It) s 15 r 109 c 0 r (ust) s 14 r (prohibit) s 15 r (alterations) s 16 r (to) s 15 r (its) s 15 r (record) s 15 r (of) s 15 r (the) s 438 364 p (authen) s 0 r (tication) s 13 r (clo) s 1 r 99 c 0 r 107 c 13 r (for) s 14 r (that) s 15 r (part) s -1 r 121 c 14 r (indep) s 1 r (enden) s 0 r (tly) s 13 r (of) s 438 420 p (alterations) s 15 r (to) s 15 r (its) s 15 r (record) s 15 r (of) s 16 r (the) s 15 r (priv) s -2 r (ate) s 438 477 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (\(unless) s 15 r (the) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (alteration) s 15 r (is) s 15 r (an) s 438 533 p (adv) s -2 r (ancemen) s -1 r (t\).) s 360 606 p (\(e\)) s 22 r (it) s 15 r 109 c 0 r (ust) s 14 r (nev) s 0 r (er) s 14 r (allo) s 0 r 119 c 14 r (its) s 15 r (record) s 15 r (of) s 16 r (the) s 15 r (authen) s -1 r (tication) s 438 663 p (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r (that) s 15 r (part) s 0 r 121 c 14 r (to) s 15 r 98 c 2 r 101 c 15 r (incremen) s -1 r (ted) s 15 r 98 c 1 r (ey) s 0 r (ond) s 14 r (the) s 438 719 p (maximal) s 15 r (time) s 15 r 118 c -1 r (alue) s 14 r (and) s 15 r (so) s 15 r (\\roll-o) s 0 r 118 c -2 r (er") s 15 r (to) s 15 r (zero.) s 362 792 p (\(f) s 4 r 41 c 23 r (It) s 15 r 109 c -1 r (ust) s 15 r (nev) s -1 r (er) s 14 r (increase) s 16 r (its) s 15 r (record) s 15 r (of) s 15 r (the) s 15 r (lifetime) s 15 r (for) s 438 849 p (that) s 15 r (part) s 0 r 121 c 14 r (except) s 15 r (as) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (explicitly) s 16 r (authorized) s 438 905 p (\(via) s 15 r (imp) s 1 r (erativ) s 0 r 101 c 14 r (command) s 15 r (or) s 15 r (securely) s 16 r (represen) s -1 r (ted) s 438 962 p (con\014guration) s 15 r (information\)) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (resp) s 1 r (onsible) s 438 1018 p (net) s 0 r 119 c -2 r (ork) s 14 r (administrator.) s 357 1091 p (\(g\)) s 23 r (In) s 15 r (the) s 15 r (ev) s 0 r (en) s -2 r 116 c 15 r (that) s 15 r (the) s 15 r (non-v) s 0 r (olatile,) s 14 r (incorruptible) s 438 1148 p (represen) s 0 r (tations) s 14 r (of) s 15 r 97 c 15 r (part) s 0 r (y's) s 14 r (parameters) s 15 r (\(in) s 438 1204 p (particular,) s 15 r (either) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (or) s 438 1261 p (priv) s -2 r (ate) s 14 r (encryption) s 16 r 107 c -1 r (ey\)) s 14 r (are) s 16 r (lost) s 15 r (or) s 15 r (destro) s 0 r 121 c -2 r (ed,) s 15 r (it) s 438 1317 p 109 c 0 r (ust) s 14 r (alter) s 15 r (its) s 15 r (record) s 15 r (of) s 15 r (these) s 15 r (quan) s 0 r (tities) s 14 r (to) s 15 r (random) s 438 1374 p 118 c -2 r (alues) s 14 r (so) s 16 r (subsequen) s -1 r 116 c 14 r (in) s 0 r (teraction) s 14 r (with) s 15 r (that) s 16 r (part) s -1 r 121 c 438 1430 p (requires) s 15 r (man) s 0 r (ual) s 14 r (redistribution) s 15 r (of) s 15 r (new) s 15 r (secrets) s 15 r (and) s 438 1487 p (other) s 15 r (parameters.) s 280 1581 p (5.) s 22 r (If) s 16 r (it) s 15 r (selects) s 15 r (new) s 15 r 118 c -1 r (alue\(s\)) s 14 r (for) s 15 r 97 c 15 r (part) s 0 r (y's) s 14 r (secret\(s\),) s 15 r (it) s 15 r 109 c 0 r (ust) s 338 1637 p 97 c 0 r 118 c -2 r (oid) s 14 r (bad) s 16 r (or) s 15 r (ob) s -1 r (vious) s 15 r 99 c -1 r (hoices) s 14 r (for) s 16 r (said) s 15 r (secret\(s\).) s 20 r (Choices) s 338 1694 p (to) s 15 r 98 c 1 r 101 c 15 r 97 c 0 r 118 c -1 r (oided) s 14 r (are) s 15 r 98 c 1 r (oundary) s 16 r 118 c -2 r (alues) s 14 r (\(suc) s 0 r 104 c 14 r (as) s 15 r (all-zeros\)) s 338 1750 p (and) s 15 r (predictable) s 15 r 118 c -1 r (alues) s 14 r (\(suc) s -1 r 104 c 15 r (as) s 15 r (the) s 15 r (same) s 15 r 118 c -1 r (alue) s 14 r (as) s 338 1807 p (previously) s 15 r (or) s 15 r (selecting) s 15 r (from) s 15 r 97 c 16 r (predetermined) s 15 r (set\).) s cmbx12.300 @sf 224 1968 p (9.2) s 56 r (Proto) s 2 r (col) s 18 r (Correctness) s cmr10.329 @sf 224 2093 p (The) s 15 r (correctness) s 14 r (of) s 14 r (these) s 15 r (SNMP) s 14 r (securit) s 0 r 121 c 13 r (proto) s 1 r (cols) s 15 r (with) s 14 r (resp) s 1 r (ect) s 224 2150 p (to) s 15 r (the) s 15 r (stated) s 16 r (goals) s 15 r (dep) s 1 r (ends) s 15 r (on) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (assumptions:) s 280 2283 p (1.) s 22 r (The) s 16 r 99 c -1 r (hosen) s 14 r (message) s 16 r (digest) s 15 r (algorithm) s 15 r (satis\014es) s 15 r (its) s 15 r (design) s 338 2340 p (criteria.) s 20 r (In) s 15 r (particular,) s 15 r (it) s 15 r 109 c 0 r (ust) s 14 r 98 c 2 r 101 c 15 r (computationally) s 338 2396 p (infeasible) s 15 r (to) s 15 r (disco) s 0 r 118 c -1 r (er) s 14 r 116 c -1 r 119 c -1 r 111 c 14 r (messages) s 15 r (that) s 16 r (share) s 15 r (the) s 15 r (same) s 338 2452 p (digest) s 15 r 118 c -2 r (alue.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (40]) s @eop 39 @bop0 cmbx10.329 @sf [<FFFFC000FFFFC000FFFFC000FFFFC00007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F8 000007FFFF0007FFFFC007FFFFE007F80FF007F807F807F807F807F807FC07F807FC07F807FC07F807FC07F807FC07F807FC 07F807F807F80FF8FFFFFFF0FFFFFFE0FFFFFF80FFFFFC00> 32 31 -2 0 35.731] 80 @dc [ 329 ] /cmsy10.329 @newfont cmsy10.329 @sf [<07E0001FF8003FFC007FFE007FFE00FFFF00FFFF00FFFF00FFFF00FFFF00FFFF00FFFF00FFFF007FFE007FFE003FFC001FF8 0007E000> 24 18 -3 -2 22.727] 15 @dc cmbx10.329 @sf [<FFF80000FFF80000FFF80000FFF800001FC000001FC000001FC000001FC000001FC000001FCFE0001FFFF8001FFFFC001FF1 FE001FC0FF001FC07F001FC07F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC07F801FC07F001FC07F00 FFF0FF00FFFFFE00FFFFFC00FFCFF000> 32 29 -1 9 29.040] 112 @dc 39 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 338 307 p (noPriv) s cmr10.329 @sf 23 r (This) s 15 r (proto) s 1 r (col) s 15 r (signi\014es) s 15 r (that) s 15 r (messages) s 16 r (receiv) s -1 r (ed) s 438 364 p 98 c 0 r 121 c 14 r 97 c 15 r (part) s 0 r 121 c 14 r (using) s 15 r (it) s 15 r (are) s 15 r (not) s 15 r (protected) s 15 r (as) s 16 r (to) s 438 420 p (disclosure.) s 20 r (It) s 15 r (is) s 15 r (required) s 15 r (to) s 16 r (ensure) s 15 r (that) s 15 r 97 c 15 r (part) s 0 r (y's) s 438 477 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (alw) s 0 r 97 c -2 r (ys) s 15 r (accessible.) s 280 565 p (2.) s 22 r (It) s 14 r 109 c 0 r (ust) s 13 r (implemen) s 0 r 116 c 13 r (the) s 14 r (Digest) s 14 r (Authen) s 0 r (tication) s 13 r (Proto) s 1 r (col) s 14 r (in) s 338 621 p (conjunction) s 14 r (with) s 15 r (the) s 14 r (mec) s 0 r (hanism) s 13 r (de\014ned) s 15 r (in) s 14 r (Section) s 15 r (4.4.1.) s 280 710 p (3.) s 22 r (It) s 16 r 109 c -1 r (ust) s 14 r (include) s 16 r (in) s 15 r (its) s 15 r (lo) s 1 r (cal) s 15 r (database) s 15 r (at) s 16 r (least) s 15 r (one) s 15 r (SNMP) s 338 766 p (part) s 0 r 121 c 14 r (with) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (parameters) s 15 r (set) s 15 r (as) s 15 r (follo) s 0 r (ws:) s cmsy10.329 @sf 392 855 p 15 c cmbx10.329 @sf 23 r (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 15 r (is) s 15 r (set) s 16 r (to) s cmbx10.329 @sf 15 r (noAuth) s cmr10.329 @sf 15 r (and) s cmsy10.329 @sf 392 923 p 15 c cmbx10.329 @sf 23 r (part) s 0 r (yPrivProto) s 0 r (col) s cmr10.329 @sf 15 r (is) s 15 r (set) s 16 r (to) s cmbx10.329 @sf 15 r (noPriv) s cmr10.329 @sf 0 r 46 c 338 1011 p (This) s 15 r (part) s 0 r 121 c 14 r 109 c 0 r (ust) s 14 r (ha) s -1 r 118 c -1 r 101 c 14 r 97 c 15 r (MIB) s 16 r (view) s 15 r 91 c 0 r 50 c 0 r 93 c 15 r (sp) s 1 r (eci\014ed) s 15 r (that) s 338 1067 p (includes) s 15 r (at) s 15 r (least) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 2 r 99 c -1 r 107 c 14 r (of) s 16 r (all) s 15 r (other) s 338 1124 p (parties.) s 20 r (Alternativ) s 0 r (ely) s -4 r 44 c 14 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (ks) s 14 r (of) s 15 r (the) s 338 1180 p (other) s 15 r (parties) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (partitioned) s 16 r (among) s 15 r (sev) s -1 r (eral) s 15 r (similarly) s 338 1237 p (con\014gured) s 15 r (parties) s 15 r (according) s 15 r (to) s 15 r 97 c 16 r (lo) s 1 r (cal) s 15 r (implemen) s 0 r (tation) s 338 1293 p (con) s 0 r 118 c -2 r (en) s -1 r (tion.) s 280 1382 p (4.) s 22 r 70 c -2 r (or) s 14 r (eac) s 0 r 104 c 14 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (ab) s 1 r (out) s 15 r (whic) s 0 r 104 c 14 r (it) s 15 r (main) s 0 r (tains) s 338 1438 p (information) s 15 r (in) s 15 r 97 c 15 r (lo) s 2 r (cal) s 15 r (database:) s 357 1527 p (\(a\)) s 23 r (It) s 15 r 109 c 0 r (ust) s 14 r (not) s 15 r (allo) s 0 r 119 c 14 r 97 c 15 r (part) s 0 r (y's) s 14 r (parameters) s 15 r (to) s 15 r 98 c 1 r 101 c 16 r (set) s 15 r (to) s 438 1583 p 97 c 15 r 118 c -2 r (alue) s 15 r (inconsisten) s -1 r 116 c 14 r (with) s 16 r (its) s 15 r (exp) s 1 r (ected) s 15 r (syn) s 0 r (tax.) s 19 r (In) s 438 1640 p (particular,) s 15 r (Section) s 15 r (4.4) s 15 r (sp) s 2 r (eci\014es) s 15 r (constrain) s -1 r (ts) s 15 r (for) s 15 r (the) s 438 1696 p 99 c 0 r (hosen) s 14 r (mec) s -1 r (hanisms.) s 354 1764 p (\(b\)) s 23 r (It) s 15 r 109 c 0 r (ust,) s 14 r (to) s 15 r (the) s 16 r (maximal) s 15 r (exten) s -1 r 116 c 15 r 112 c 1 r (ossible,) s 15 r (prohibit) s 438 1820 p (read-access) s 15 r (to) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (and) s 438 1877 p (priv) s -2 r (ate) s 14 r (encryption) s 16 r 107 c -1 r (ey) s 14 r (under) s 16 r (all) s 15 r (circumstances) s 438 1933 p (except) s 15 r (as) s 15 r (required) s 15 r (to) s 15 r (generate) s 16 r (and/or) s 15 r 118 c -2 r (alidate) s 438 1990 p (SNMP) s 15 r (messages) s 15 r (with) s 15 r (resp) s 2 r (ect) s 15 r (to) s 15 r (that) s 15 r (part) s 0 r 121 c -4 r 46 c 19 r (This) s 438 2046 p (prohibition) s 15 r (includes) s 15 r (prev) s 0 r (en) s -1 r (tion) s 14 r (of) s 15 r (read-access) s 15 r 98 c 0 r 121 c 438 2102 p (the) s 15 r (en) s 0 r (tit) s -2 r (y's) s 15 r 104 c -1 r (uman) s 14 r (op) s 2 r (erators.) s 360 2170 p (\(c\)) s 22 r (It) s 15 r 109 c 0 r (ust) s 14 r (allo) s 0 r 119 c 14 r (the) s 15 r (part) s 0 r (y's) s 14 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (to) s 15 r 98 c 2 r 101 c 438 2227 p (publicly) s 15 r (accessible.) s 20 r (The) s 15 r (correct) s 15 r (op) s 2 r (eration) s 15 r (of) s 15 r (the) s 438 2283 p (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col) s 15 r (requires) s 15 r (that) s 16 r (it) s 15 r 98 c 1 r 101 c 438 2340 p 112 c 1 r (ossible) s 15 r (to) s 15 r (determine) s 16 r (this) s 15 r 118 c -2 r (alue) s 14 r (at) s 15 r (all) s 16 r (times) s 15 r (in) s 438 2396 p (order) s 15 r (to) s 15 r (guaran) s 0 r (tee) s 14 r (that) s 15 r (sk) s 0 r (ew) s -1 r (ed) s 14 r (authen) s -1 r (tication) s 438 2452 p (clo) s 1 r 99 c 0 r (ks) s 14 r (can) s 15 r 98 c 1 r 101 c 16 r (resync) s -1 r (hronized.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (39]) s @eop 38 @bop0 cmbx12.300 @sf [<7FFFE07FFFE07FFFE07FFFE003F80003F80003F80003F80003F80003F80003F80003F80003F80003F80003F80003F80003F8 0003F80003F80003F80003F80003F80003F80003F80003F80003F800FFF800FFF800FFF800FFF80003F800007800001800> 24 33 -4 0 28.019] 49 @dc [<FFFC00FFFC00FFFC00FFFC001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0001FC0 001FC000FFFC00FFFC00FFFC00FFFC001FC0001FC0001FC0001FC0001FC0001FC3E01FC7F01FE7F00FE7F007FFF003FFF001 FFE0003FC0> 24 35 -1 0 17.123] 102 @dc [<FFF8FFF8FFF8FFF8FFF8FFF8FFF8FFF8FFF8FFF8FFF8FFF81FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC0 1FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FE01FE01FC01FE01FE0 1FC01FF01FF01FC0FFFC3FFC3FC0FFFFFFBFFF80FFDFFF1FFF00FFC3FE03FE00> 48 22 -1 0 46.699] 109 @dc [<0FE0FF003FFDFF007FFFFF007F9FFF00FF07FC00FF03F800FF03F800FF03F800FF83F8007FC3F8003FFFF8001FFFF80007FF F800003FF8003E03F8007F03F8007F03F8007F07F8007F0FF0007FFFE0003FFFC0000FFE0000> 32 22 -2 0 27.241] 97 @dc 38 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (de\014ned) s 15 r (in) s 15 r (this) s 16 r (memo) s 15 r 98 c -1 r 121 c 15 r (dela) s -1 r (ying) s 338 364 p (sending) s 15 r (successiv) s 0 r 101 c 14 r (messages.) s cmsy10.329 @sf 292 469 p 15 c cmr10.329 @sf 23 r (The) s 15 r (frequency) s 15 r (with) s 16 r (whic) s -1 r 104 c 14 r (the) s 16 r (secrets) s 15 r (of) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 338 525 p (should) s 15 r 98 c 1 r 101 c 15 r 99 c 0 r (hanged) s 14 r (is) s 15 r (indirectly) s 16 r (related) s 15 r (to) s 15 r (the) s 15 r (frequency) s 338 581 p (of) s 15 r (their) s 15 r (use.) s 338 662 p (Protecting) s 15 r (the) s 15 r (secrets) s 15 r (from) s 15 r (disclosure) s 16 r (is) s 15 r (critical) s 15 r (to) s 15 r (the) s 338 719 p 111 c 0 r 118 c -2 r (erall) s 14 r (securit) s 0 r 121 c 14 r (of) s 15 r (the) s 16 r (proto) s 1 r (cols.) s 20 r 70 c -3 r (requen) s -1 r 116 c 14 r (use) s 15 r (of) s 15 r 97 c 16 r (secret) s 338 775 p (pro) s 0 r (vides) s 14 r 97 c 15 r (con) s 0 r (tin) s -2 r (ued) s 14 r (source) s 16 r (of) s 15 r (data) s 15 r (that) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (useful) s 338 832 p (to) s 15 r 97 c 15 r (cryptanalyst) s 15 r (in) s 15 r (exploiting) s 16 r (kno) s -1 r (wn) s 14 r (or) s 16 r 112 c 1 r (erceiv) s 0 r (ed) s 338 888 p 119 c 0 r (eaknesses) s 14 r (in) s 15 r (an) s 15 r (algorithm.) s 20 r 70 c -3 r (requen) s -1 r 116 c 14 r 99 c 0 r (hanges) s 14 r (to) s 15 r (the) s 338 944 p (secret) s 15 r 97 c 0 r 118 c -2 r (oid) s 15 r (this) s 15 r (vulnerabilit) s -1 r 121 c -3 r 46 c 338 1025 p (Changing) s 15 r 97 c 15 r (secret) s 15 r (after) s 15 r (eac) s 0 r 104 c 14 r (use) s 15 r (is) s 16 r (equiv) s -2 r (alen) s -1 r 116 c 14 r (to) s 15 r 97 c 338 1082 p (one-time) s 15 r (pad) s 15 r (algorithm,) s 15 r (whic) s 0 r 104 c 14 r (is) s 15 r (generally) s 15 r (regarded) s 16 r (as) s 338 1138 p (the) s 15 r (most) s 15 r (secure) s 15 r (algorithm.) s 20 r (Ho) s 0 r 119 c -1 r (ev) s -1 r (er,) s 14 r (there) s 15 r (is) s 15 r 112 c 1 r (oten) s 0 r (tially) s 338 1195 p 97 c 15 r (signi\014can) s 0 r 116 c 14 r (amoun) s 0 r 116 c 14 r (of) s 15 r 111 c 0 r 118 c -2 r (erhead) s 14 r (asso) s 2 r (ciated) s 15 r (with) s 15 r (that) s 338 1251 p (approac) s 0 r (h.) s 338 1332 p (Note,) s 15 r (to) s 1 r (o,) s 15 r (in) s 15 r 97 c 15 r (lo) s 1 r (cal) s 15 r (en) s 0 r (vironmen) s -1 r 116 c 14 r (the) s 14 r (threat) s 15 r (of) s 15 r (disclosure) s 338 1388 p (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (insigni\014can) s 0 r (t,) s 14 r (and) s 15 r (as) s 15 r (suc) s 0 r 104 c 14 r (the) s 15 r (frequency) s 15 r (of) s 16 r (secret) s 338 1445 p 99 c 0 r (hanges) s 14 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 15 r (small.) s 20 r (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 15 r (when) s 15 r (public) s 15 r (data) s 338 1501 p (net) s 0 r 119 c -2 r (orks) s 14 r (are) s 16 r (the) s 15 r (comm) s -1 r (unication) s 15 r (paths) s 15 r (more) s 15 r (caution) s 15 r (is) s 338 1558 p (pruden) s 0 r (t.) s cmbx12.300 @sf 224 1734 p (9.1) s 56 r (Conformance) s cmr10.329 @sf 224 1865 p 65 c 15 r (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c 14 r (implemen) s 0 r (tation) s 14 r (that) s 16 r (claims) s 224 1921 p (conformance) s 15 r (to) s 15 r (this) s 16 r (memo) s 15 r 109 c -1 r (ust) s 15 r (satisfy) s 15 r (the) s 15 r (follo) s 0 r (wing) s 224 1978 p (requiremen) s 0 r (ts:) s 280 2122 p (1.) s 22 r (It) s 16 r 109 c -1 r (ust) s 14 r (implemen) s 0 r 116 c 14 r (the) s cmbx10.329 @sf 16 r (noAuth) s cmr10.329 @sf 15 r (and) s cmbx10.329 @sf 15 r (noPriv) s cmr10.329 @sf 15 r (proto) s 1 r (cols) s 338 2178 p (whose) s 15 r (ob) s 2 r (ject) s 16 r (iden) s -1 r (ti\014ers) s 15 r (are) s 15 r (de\014ned) s 15 r (in) s 15 r 91 c 0 r 52 c 0 r (].) s cmbx10.329 @sf 338 2283 p (noAuth) s cmr10.329 @sf 23 r (This) s 15 r (proto) s 1 r (col) s 15 r (signi\014es) s 15 r (that) s 15 r (messages) s 16 r (generated) s 438 2340 p 98 c 0 r 121 c 14 r 97 c 15 r (part) s 0 r 121 c 14 r (using) s 15 r (it) s 15 r (are) s 15 r (not) s 15 r (protected) s 15 r (as) s 16 r (to) s 15 r (origin) s 15 r (or) s 438 2396 p (in) s 0 r (tegrit) s -2 r 121 c -4 r 46 c 20 r (It) s 15 r (is) s 15 r (required) s 15 r (to) s 15 r (ensure) s 15 r (that) s 16 r 97 c 15 r (part) s -1 r (y's) s 438 2452 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (alw) s 0 r 97 c -2 r (ys) s 15 r (accessible.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (38]) s @eop 37 @bop0 cmr10.329 @sf [<000F000F0000000F000F0000000F000F0000001F801F8000001F801F8000001F801F8000003F801FC000003FC03FC000003F C03FC000003FC03FC000007EE07EE000007EE07EE000007EE07EE00000FEF0FEF00000FC70FC700000FC70FC700000FC70FC 700001F839F8380001F839F8380001F839F8380003F03FF81C0003F01FF01C0003F01FF01C0007F01FF01E0007E00FE00E00 07E00FE00E0007E00FE00E000FC00FC007000FC00FC00F80FFFCFFFC7FF0FFFCFFFC7FF0FFFCFFFC7FF0> 48 32 -1 1 46.716] 87 @dc 37 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (The) s 15 r (in) s 0 r (ten) s -2 r 116 c 15 r (of) s 15 r (Goal) s 15 r 52 c 15 r (is) s 15 r (that) s 15 r (messages) s 15 r (receiv) s 0 r (ed) s 14 r (out) s 16 r (of) s 338 364 p (order) s 15 r 98 c 1 r 101 c 15 r (discarded) s 16 r (as) s 15 r (unauthen) s -1 r (tic.) s 20 r (This) s 15 r (is) s 15 r (necessary) s 15 r (to) s 338 420 p (protect) s 15 r (against) s 15 r (the) s 15 r (repla) s 0 r 121 c 14 r (of) s 15 r (messages) s 15 r (in) s 16 r (the) s 15 r (absence) s 15 r (of) s 338 477 p (secure,) s 15 r (connection-orien) s 0 r (ted) s 14 r (transp) s 1 r (ort) s 15 r (services.) s 338 552 p (The) s 15 r (in) s 0 r (ten) s -2 r 116 c 15 r (of) s 15 r (the) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -2 r 121 c 15 r (service) s 15 r (is) s 15 r (that) s 15 r (authen) s 0 r (tic) s 338 608 p (messages) s 15 r 98 c 1 r 101 c 15 r (ordered.) s 21 r (Of) s 15 r (course,) s 15 r 97 c 15 r (message) s 15 r (that) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 338 665 p 97 c 15 r (repla) s 0 r 121 c 14 r (of) s 15 r 97 c 15 r (previous) s 15 r (message) s 15 r 109 c 0 r (ust) s 14 r (not) s 15 r 98 c 2 r 101 c 15 r (considered) s 338 721 p (authen) s 0 r (tic.) s 19 r (In) s 15 r (the) s 15 r (absence) s 15 r (of) s 15 r (secure,) s 15 r (connection-orien) s 0 r (ted) s 338 778 p (transp) s 1 r (ort) s 15 r (services,) s 15 r (it) s 16 r (is) s 15 r (not) s 15 r 112 c 1 r (ossible) s 15 r (to) s 15 r (distinguish) s 338 834 p (messages) s 15 r (that) s 15 r 119 c 0 r (ere) s 14 r (sub) s 3 r (ject) s 15 r (to) s 15 r (ordinary) s 15 r (net) s 0 r 119 c -2 r (ork) s 15 r (dela) s -1 r (ys) s 338 891 p (from) s 15 r (messages) s 15 r (that) s 15 r (are) s 15 r 98 c 2 r (eing) s 15 r (repla) s 0 r 121 c -2 r (ed.) s cmsy10.329 @sf 292 985 p 15 c cmr10.329 @sf 23 r (When) s 15 r (sending) s 15 r (state) s 16 r (altering) s 15 r (messages) s 15 r (to) s 15 r 97 c 15 r (managed) s 338 1041 p (agen) s 0 r (t,) s 14 r 97 c 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (should) s 15 r (dela) s 0 r 121 c 14 r (sending) s 338 1098 p (successiv) s 0 r 101 c 14 r (messages) s 15 r (to) s 15 r (the) s 15 r (managed) s 15 r (agen) s 0 r 116 c 14 r (un) s 0 r (til) s 14 r 97 c 338 1154 p 112 c 1 r (ositiv) s 0 r 101 c 14 r (ac) s 0 r (kno) s -2 r (wledgemen) s -1 r 116 c 14 r (is) s 15 r (receiv) s 0 r (ed) s 14 r (for) s 15 r (the) s 16 r (previous) s 338 1210 p (message) s 15 r (or) s 15 r (un) s 0 r (til) s 14 r (the) s 15 r (previous) s 15 r (message) s 15 r (expires.) s 338 1286 p (When) s 15 r (using) s 15 r (the) s cmbx10.329 @sf 15 r (noAuth) s cmr10.329 @sf 15 r (proto) s 2 r (col,) s 15 r (no) s 15 r (message) s 15 r (ordering) s 338 1342 p (is) s 15 r (imp) s 1 r (osed) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (SNMP.) s 21 r (Messages) s 15 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 15 r (receiv) s 0 r (ed) s 14 r (in) s 338 1399 p (an) s 0 r 121 c 14 r (order) s 15 r (relativ) s 0 r 101 c 14 r (to) s 15 r (their) s 15 r (time) s 15 r (of) s 15 r (generation) s 15 r (and) s 16 r (eac) s -1 r 104 c 338 1455 p (will) s 15 r 98 c 1 r 101 c 15 r (pro) s 2 r (cessed) s 15 r (in) s 15 r (the) s 15 r (ordered) s 15 r (receiv) s 0 r (ed.) s 19 r (In) s 15 r (con) s 0 r (trast,) s 338 1512 p (the) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (guaran) s 0 r (tee) s 14 r (that) s 15 r (receiv) s 0 r (ed) s 14 r (messages) s 338 1568 p (are) s 15 r (ordered) s 15 r (insofar) s 15 r (as) s 15 r (eac) s 0 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (message) s 15 r 109 c 0 r (ust) s 14 r (ha) s 0 r 118 c -1 r 101 c 338 1624 p 98 c 1 r (een) s 15 r (sen) s 0 r 116 c 14 r (subsequen) s 0 r 116 c 14 r (to) s 15 r (the) s 15 r (previously) s 15 r (receiv) s 0 r (ed) s 14 r (message) s 338 1681 p 119 c 0 r (as) s 14 r (sen) s -1 r (t.) s 338 1756 p (When) s 15 r (an) s 15 r (authen) s 0 r (ticated) s 14 r (message) s 15 r (is) s 15 r (sen) s 0 r 116 c 14 r (to) s 15 r 97 c 15 r (managed) s 338 1813 p (agen) s 0 r (t,) s 14 r (it) s 15 r (will) s 15 r 98 c 1 r 101 c 15 r 118 c -1 r (alid) s 14 r (for) s 15 r 97 c 15 r 112 c 2 r (erio) s 1 r 100 c 15 r (of) s 15 r (time) s 15 r (that) s 15 r (do) s 2 r (es) s 15 r (not) s 338 1869 p (exceed) s 15 r (lifetime) s 15 r (under) s 15 r (normal) s 15 r (circumstances.) s 21 r (During) s 15 r (the) s 338 1926 p 112 c 1 r (erio) s 1 r 100 c 15 r (of) s 16 r (time) s 15 r (this) s 15 r (message) s 15 r (is) s 15 r 118 c -1 r (alid,) s 14 r (if) s 15 r (the) s 15 r (managemen) s 0 r 116 c 338 1982 p (station) s 15 r (sends) s 15 r (another) s 15 r (authen) s 0 r (ticated) s 14 r (message) s 15 r (to) s 15 r (the) s 338 2038 p (managed) s 15 r (agen) s 0 r 116 c 14 r (that) s 15 r (is) s 15 r (receiv) s 0 r (ed) s 14 r (and) s 15 r (pro) s 1 r (cessed) s 16 r (prior) s 15 r (to) s 338 2095 p (the) s 15 r (\014rst) s 15 r (message,) s 15 r (the) s 15 r (\014rst) s 16 r (message) s 15 r (will) s 15 r 98 c 1 r 101 c 15 r (considered) s 338 2151 p (unauthen) s 0 r (tic) s 14 r (when) s 15 r (it) s 15 r (is) s 15 r (receiv) s 0 r (ed) s 14 r 98 c 0 r 121 c 14 r (the) s 15 r (managed) s 15 r (agen) s 0 r (t.) s 338 2227 p (Indeed,) s 15 r 97 c 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r 109 c 0 r (ust) s 14 r (cop) s 1 r 101 c 15 r (with) s 16 r (the) s 15 r (loss) s 338 2283 p (and) s 15 r (re-ordering) s 15 r (of) s 15 r (messages) s 15 r (resulting) s 16 r (from) s 15 r (anomalies) s 15 r (in) s 338 2340 p (the) s 15 r (net) s 0 r 119 c -2 r (ork) s 15 r (as) s 15 r 97 c 15 r (matter) s 15 r (of) s 15 r (course.) s 20 r 65 c 16 r (managemen) s -1 r 116 c 338 2396 p (station) s 15 r (implemen) s 0 r (tation) s 14 r (ma) s 0 r 121 c 14 r 99 c -1 r (ho) s 1 r (ose) s 15 r (to) s 15 r (prev) s 0 r (en) s -2 r 116 c 15 r (the) s 15 r (loss) s 338 2452 p (of) s 15 r (messages) s 15 r (resulting) s 15 r (from) s 15 r (re-ordering) s 16 r (when) s 15 r (using) s 15 r (the) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (37]) s @eop 36 @bop0 36 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (represen) s 0 r (ted) s 14 r (managemen) s -1 r 116 c 15 r (information) s 15 r (corresp) s 1 r (onds) s 15 r (to) s 15 r (an) s 0 r 121 c 338 364 p (curren) s 0 r (tly) s 14 r (outstanding) s 15 r (request.) s 338 445 p (Although) s 15 r (it) s 15 r 119 c 0 r (ould) s 14 r 98 c 1 r 101 c 15 r 116 c 0 r (ypical) s 14 r (for) s 15 r 97 c 16 r (managemen) s -1 r 116 c 14 r (station) s 338 502 p (to) s 15 r (do) s 15 r (this) s 15 r (as) s 15 r 97 c 16 r (matter) s 15 r (of) s 15 r (course,) s 15 r (in) s 15 r (the) s 15 r (con) s 0 r (text) s 14 r (of) s 15 r (these) s 338 558 p (securit) s 0 r 121 c 13 r (proto) s 1 r (cols) s 14 r (it) s 15 r (is) s 14 r (signi\014can) s 0 r 116 c 13 r 111 c 0 r (wing) s 13 r (to) s 15 r (the) s 14 r 112 c 1 r (ossibilit) s 0 r 121 c 338 615 p (of) s 15 r (message) s 15 r (duplication) s 15 r (\(malicious) s 15 r (or) s 16 r (otherwise\).) s cmsy10.329 @sf 292 721 p 15 c cmr10.329 @sf 23 r 65 c 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (should) s 15 r (not) s 16 r (in) s -1 r (terpret) s 14 r (an) s 16 r (agen) s -1 r (t's) s 338 778 p (lac) s 0 r 107 c 14 r (of) s 15 r (resp) s 1 r (onse) s 15 r (to) s 15 r (an) s 15 r (authen) s 0 r (ticated) s 14 r (SNMP) s 15 r (managemen) s -1 r 116 c 338 834 p (comm) s 0 r (unication) s 14 r (as) s 15 r 97 c 15 r (conclusiv) s 0 r 101 c 14 r (indication) s 15 r (of) s 15 r (agen) s 0 r 116 c 14 r (or) s 338 891 p (net) s 0 r 119 c -2 r (ork) s 14 r (failure.) s 338 972 p (It) s 14 r (is) s 15 r 112 c 1 r (ossible) s 15 r (for) s 14 r (authen) s 0 r (tication) s 13 r (failure) s 15 r (traps) s 14 r (to) s 15 r 98 c 1 r 101 c 15 r (lost) s 14 r (or) s 338 1029 p (suppressed) s 15 r (as) s 15 r 97 c 15 r (result) s 15 r (of) s 16 r (authen) s -1 r (tication) s 14 r (clo) s 2 r 99 c -1 r 107 c 15 r (sk) s -1 r (ew) s 14 r (or) s 338 1085 p (inconsisten) s 0 r 116 c 14 r (notions) s 15 r (of) s 15 r (shared) s 15 r (secrets.) s 20 r (In) s 15 r (order) s 16 r (either) s 15 r (to) s 338 1141 p (facilitate) s 15 r (administration) s 15 r (of) s 15 r (suc) s 0 r 104 c 14 r (SNMP) s 15 r (parties) s 15 r (or) s 16 r (to) s 338 1198 p (pro) s 0 r (vide) s 14 r (for) s 15 r (con) s 0 r (tin) s -2 r (ued) s 14 r (managemen) s 0 r 116 c 14 r (in) s 15 r (times) s 16 r (of) s 15 r (net) s 0 r 119 c -2 r (ork) s 338 1254 p (stress,) s 15 r 97 c 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (implemen) s 0 r (tation) s 14 r (ma) s 0 r 121 c 338 1311 p (pro) s 0 r (vide) s 14 r (for) s 15 r (arbitrary) s -3 r 44 c 14 r (arti\014cial) s 15 r (adv) s -1 r (ancemen) s -1 r 116 c 14 r (of) s 15 r (the) s 338 1367 p (timestamp) s 15 r (or) s 15 r (selection) s 15 r (of) s 15 r (shared) s 16 r (secrets) s 15 r (on) s 15 r (lo) s 1 r (cally) s 338 1424 p (generated) s 15 r (messages.) s cmsy10.329 @sf 292 1530 p 15 c cmr10.329 @sf 23 r (The) s 15 r (lifetime) s 15 r 118 c -1 r (alue) s 14 r (for) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (should) s 15 r 98 c 2 r 101 c 15 r 99 c 0 r (hosen) s 338 1587 p (\(b) s 0 r 121 c 14 r (the) s 15 r (lo) s 1 r (cal) s 15 r (administration\)) s 15 r (to) s 16 r 98 c 1 r 101 c 15 r (as) s 15 r (small) s 15 r (as) s 15 r 112 c 2 r (ossible,) s 338 1643 p (giv) s 0 r (en) s 14 r (the) s 15 r (accuracy) s 15 r (of) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (devices) s 15 r 97 c 0 r 118 c -2 r (ailable,) s 14 r (relev) s -2 r (an) s -1 r 116 c 338 1700 p (round-trip) s 15 r (comm) s 0 r (unications) s 14 r (dela) s 0 r (ys) s 14 r (and) s 15 r (the) s 15 r (frequency) s 338 1756 p (with) s 15 r (whic) s 0 r 104 c 14 r 97 c 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (will) s 16 r 98 c 1 r 101 c 338 1813 p (able) s 15 r (to) s 15 r 118 c 0 r (erify) s 14 r (all) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r 118 c -1 r (alues.) s 338 1894 p 65 c 15 r (large) s 15 r (lifetime) s 15 r (increases) s 15 r (the) s 16 r (vulnerabilit) s -1 r 121 c 14 r (to) s 16 r (repla) s -1 r 121 c 338 1951 p (attac) s 0 r (ks.) s 19 r (The) s 15 r (implemen) s 0 r (tation) s 14 r (of) s 15 r 97 c 15 r (managemen) s 0 r 116 c 14 r (station) s 338 2007 p (ma) s 0 r 121 c -4 r 44 c 14 r (when) s 15 r (explicitly) s 15 r (authorized,) s 15 r (pro) s 0 r (vide) s 14 r (for) s 15 r (dynamic) s 338 2064 p (adjustmen) s 0 r 116 c 14 r (of) s 15 r (the) s 15 r (lifetime) s 15 r (in) s 15 r (order) s 15 r (to) s 16 r (accommo) s 1 r (date) s 338 2120 p 99 c 0 r (hanging) s 14 r (net) s -1 r 119 c -1 r (ork) s 14 r (conditions.) s cmsy10.329 @sf 292 2227 p 15 c cmr10.329 @sf 23 r (The) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -1 r 121 c 14 r (service,) s 15 r (whic) s 0 r 104 c 14 r (is) s 15 r (de\014ned) s 15 r (to) s 15 r (ensure) s 338 2283 p (that) s 15 r (data) s 15 r (and) s 15 r (data) s 15 r (sequences) s 16 r (ha) s -1 r 118 c -1 r 101 c 14 r (not) s 15 r 98 c 2 r (een) s 15 r (altered) s 15 r (or) s 338 2340 p (destro) s 0 r 121 c -2 r (ed,) s 14 r (is) s 16 r (consisten) s -1 r 116 c 14 r (with) s 16 r (Goal) s 15 r (4,) s 15 r (whic) s 0 r 104 c 14 r (states) s 15 r (that) s 338 2396 p (the) s 15 r (apparen) s 0 r 116 c 14 r (time) s 15 r (of) s 15 r (generation) s 15 r (for) s 15 r (eac) s 0 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (SNMP) s 338 2452 p (message) s 15 r (is) s 15 r (subsequen) s 0 r 116 c 14 r (to) s 15 r (previously) s 15 r (receiv) s 0 r (ed) s 14 r (messages.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (36]) s @eop 35 @bop0 cmbx10.329 @sf [<FFFFFFF0FFFFFFF0FFFFFFF0FFFFFFF007F807F807F801F807F800F807F800F807F8007807F8F07807F8F07807F8F03C07F8 F03C07F9F03C07FFF00007FFF00007FFF00007FFF00007F9F0F007F8F0F007F8F0F007F8F0F007F8F1F007F801F007F801E0 07F803E007F80FE0FFFFFFE0FFFFFFE0FFFFFFE0FFFFFFE0> 32 31 -2 0 34.342] 69 @dc [<FFFC001E00FFFC003E00FFFC007E00FFFC00FE00078000FE00078001FE00078003FE00078007FE00078007FE0007800FFE00 07801FFE0007803FFE0007803FFE0007807FFE000780FFDE000781FF9E000783FF9E000783FF1E000787FE1E00078FFC1E00 079FFC1E00079FF81E0007BFF01E0007FFE01E0007FFE01E0007FFC01E0007FF801E00FFFF03FFF0FFFE03FFF0FFFE03FFF0 FFFC03FFF0> 40 31 -2 0 40.908] 78 @dc [<0007FC0000007FFF0E0001FFFFFE0003FFFFFE0007FF07FE000FF801FE001FF001FE003FE001FE003FC001FE007FC001FE00 7FC001FE007F80FFFFE0FF80FFFFE0FF80FFFFE0FF80FFFFE0FF80000000FF80000000FF80000000FF80000000FF80000000 FF80001E007F80001E007FC0003E007FC0003E003FC0003E003FE0007E001FF000FE000FF801FE0007FF07FE0003FFFFFE00 01FFFFFE00007FFF1E000007FC0E00> 40 33 -3 1 41.097] 71 @dc cmbx10.432 @sf [<03FE000007FFC0001FFFF0001FFFF8003FCFFC003FE3FE003FE1FF003FE0FF003FE0FF803FE0FF803FE07FC01FC07FC00000 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s 0 r 98 c 0 r (er) s 16 r (1991) s cmsy10.329 @sf 292 307 p 15 c cmr10.329 @sf 23 r (The) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (initialized) s 16 r (to) s 15 r (the) s 15 r (maximal) s 338 364 p (time) s 15 r 118 c -2 r (alue.) s cmsy10.329 @sf 292 456 p 15 c cmr10.329 @sf 23 r (The) s 15 r (last-timestamp) s 15 r (is) s 16 r (initialized) s 15 r (to) s 15 r (the) s 15 r (maximal) s 15 r (time) s 338 512 p 118 c -2 r (alue.) s cmsy10.329 @sf 292 604 p 15 c cmr10.329 @sf 23 r (The) s 15 r (nonce) s 15 r (is) s 16 r (initialized) s 15 r (to) s 15 r (zero.) s cmsy10.329 @sf 292 697 p 15 c cmr10.329 @sf 23 r (If) s 15 r (the) s 15 r (lifetime) s 16 r (is) s 15 r (not) s 15 r (retained,) s 15 r (it) s 15 r (should) s 15 r 98 c 2 r 101 c 15 r (initialized) s 15 r (to) s 338 753 p (zero.) s cmsy10.329 @sf 292 845 p 15 c cmr10.329 @sf 23 r (If) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (priv) s -2 r (acy) s 15 r 107 c -1 r (ey) s 15 r (is) s 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cmsy10.329 @sf 292 2283 p 15 c cmr10.329 @sf 23 r (If) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s 14 r (is) s 15 r (the) s cmbx10.329 @sf 15 r (OCTET) s 338 2340 p (STRING) s cmr10.329 @sf 15 r (of) s 15 r (zero) s 15 r (length,) s 15 r (the) s 16 r (authen) s -1 r (tication) s 14 r (proto) s 2 r (col) s 15 r (is) s 338 2396 p (set) s 15 r (to) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 2 r (col) s 15 r (according) s 15 r (to) s 338 2452 p (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 15 r (Section) s 15 r (4.4.1.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (34]) s @eop 33 @bop0 cmbx12.300 @sf [<01FF000FFFC01FFFF03FFFF87F83FC7F00FCFE00FCFC007EFC007EFC007EFC00FEFC01FEFE07FE7E1FFE7F3FFC3FFFFC1FFF F807FFF00FFFE01FFFC01FFFE03FFFF03FFBF03FE1F83F81F83F01F83F01F83F01F81F83F81FC7F00FFFF00FFFE003FFC000 FF00> 24 34 -2 1 28.019] 56 @dc [<01FFFE01FFFE01FFFE01FFFE000FE0000FE0000FE0000FE0000FE0FFFFFEFFFFFEFFFFFEFFFFFEF80FE0780FE03C0FE01E0F E01F0FE00F8FE0078FE003CFE001EFE001FFE000FFE0007FE0003FE0003FE0001FE0000FE00007E00003E00003E0> 24 32 -2 0 28.019] 52 @dc [<FFF8FFF0FFF8FFF0FFF8FFF0FFF8FFF01FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC0 3F801FC03F801FC03F801FE03F801FE03F801FF03F801FFC7F801FFFFF001FDFFE001FC3FC001FC000001FC000001FC00000 1FC000001FC000001FC000001FC000001FC000001FC00000FFC00000FFC00000FFC00000FFC00000> 32 35 -1 0 31.133] 104 @dc [<0000001FF0FFFFC0FFFCFFFFC1FFFCFFFFC3FF3EFFFFC7FE1E07F807FE1E07F807FC0007F807FC0007F807FC0007F807FC00 07F807F80007F807F80007F807F80007F807F80007F80FF00007F80FF00007F81FE00007FFFFC00007FFFFC00007FFFFF000 07F807FC0007F803FE0007F801FE0007F801FF0007F801FF0007F801FF0007F801FF0007F801FF0007F801FE0007F803FE00 07F807FC00FFFFFFF800FFFFFFF000FFFFFFC000FFFFFE0000> 40 35 -2 1 41.798] 82 @dc [<001F0000001F0000003F8000003F8000003F8000007FC000007FC00000FFE00000FFE00001FFF00001FCF00001FCF00003FC F80003F8780007F87C0007F03C0007F03C000FF03E00FFF87FE0FFF87FE0FFF87FE0FFF87FE0> 32 22 -1 0 29.576] 118 @dc [<1F0000007FC000007FE00000F1F00000F0780000FE7C0000FE3C00007C3E0000001E0000001E0000001F0000001F0000003F 8000003F8000003F8000007FC000007FC00000FFE00000FFE00001FFF00001FCF00001FCF00003FCF80003F8780007F87C00 07F03C0007F03C000FF03E00FFF87FE0FFF87FE0FFF87FE0FFF87FE0> 32 32 -1 10 29.576] 121 @dc cmti10.329 @sf [<701F00F83F80FC3FC0FC7DC07C7CE07C7CE07E7CE07E7EF03E7E003EFC003FFC003FF8001FE0001FC1E01FE1E01FF1F00FB9 F00F9CF00FCE700FCFF007C3F007C1E007E00007E00003E00003E00003F00003F00003F0001FF0001FF8000FF80000F800> 24 33 -2 1 20.908] 107 @dc 33 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx12.300 @sf 224 307 p (8.4) s 56 r (Crash) s 19 r (Reco) s -1 r 118 c -1 r (ery) s cmr10.329 @sf 224 433 p (The) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (of) s 15 r 97 c 16 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (is) s 15 r 97 c 15 r (critical) s 224 489 p (comp) s 1 r (onen) s 0 r 116 c 14 r (of) s 15 r (the) s 16 r 111 c -1 r 118 c -1 r (erall) s 14 r (securit) s 0 r 121 c 14 r (of) s 15 r (the) s 15 r (proto) s 2 r (cols.) s 20 r (The) s 224 546 p (inclusion) s 15 r (of) s 15 r 97 c 16 r (reliable) s 15 r (represen) s -1 r (tation) s 15 r (of) s 15 r 97 c 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (in) s 15 r 97 c 15 r (SNMP) s 224 602 p (proto) s 1 r (col) s 16 r (en) s -1 r (tit) s -1 r 121 c 14 r (enhances) s 15 r (the) s 15 r 111 c 0 r 118 c -1 r (erall) s 14 r (securit) s 0 r 121 c -4 r 46 c 19 r 65 c cmti10.329 @sf 15 r 114 c -1 r (eliable) s 15 r (clo) s -1 r (ck) s cmr10.329 @sf 224 659 p (represen) s 0 r (tation) s 14 r (con) s 0 r (tin) s -1 r (ues) s 14 r (to) s 15 r (increase) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (passage) s 224 715 p (of) s 15 r (time,) s 15 r (ev) s 0 r (en) s 14 r (when) s 15 r (the) s 16 r (lo) s 1 r (cal) s 15 r (SNMP) s 15 r (proto) s 1 r (col) s 16 r (en) s -1 r (tit) s -1 r 121 c 14 r 124 c 15 r (due) s 16 r (to) s 224 771 p 112 c 1 r 111 c 0 r 119 c -1 r (er) s 14 r (loss) s 15 r (or) s 15 r (other) s 15 r (system) s 16 r (failure) s 15 r 124 c 15 r (ma) s 0 r 121 c 14 r (not) s 15 r 98 c 1 r 101 c 15 r (op) s 2 r (erating.) s 224 828 p (An) s 15 r (example) s 15 r (of) s 16 r 97 c 15 r (reliable) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (represen) s 0 r (tation) s 14 r (is) s 15 r (that) s 15 r (pro) s 0 r (vided) s 224 884 p 98 c 0 r 121 c 14 r (battery-p) s 1 r 111 c 0 r 119 c -1 r (ered) s 14 r (clo) s 1 r 99 c 0 r (k-calendar) s 14 r (devices) s 15 r (incorp) s 1 r (orated) s 16 r (in) s -1 r (to) s 224 941 p (some) s 15 r (con) s 0 r (temp) s 0 r (orary) s 15 r (systems.) s 224 1037 p (If) s 15 r 97 c 15 r (managed) s 16 r (agen) s -1 r 116 c 14 r (crashes) s 16 r (and) s 15 r (do) s 1 r (es) s 15 r (not) s 15 r (reb) s 2 r 111 c 1 r (ot) s 15 r (in) s 15 r (time) s 15 r (for) s 15 r (its) s 224 1093 p (resp) s 1 r (onsible) s 16 r (managemen) s -1 r 116 c 14 r (station) s 16 r (to) s 15 r (prev) s -1 r (en) s -1 r 116 c 14 r (its) s 16 r (authen) s -1 r (tication) s 224 1150 p (clo) s 1 r 99 c 0 r 107 c 14 r (from) s 15 r (reac) s 0 r (hing) s 14 r (its) s 15 r (maximal) s 16 r 118 c -2 r (alue,) s 14 r (up) s 2 r (on) s 15 r (reb) s 1 r 111 c 1 r (ot) s 15 r (the) s 16 r (clo) s 1 r 99 c 0 r 107 c 224 1206 p 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (halted) s 16 r (at) s 15 r (its) s 15 r (maximal) s 15 r 118 c -1 r (alue.) s 19 r (The) s 15 r (pro) s 1 r (cedures) s 15 r (sp) s 2 r (eci\014ed) s 224 1263 p (in) s 15 r (Section) s 15 r (8.2) s 16 r 119 c -1 r (ould) s 14 r (then) s 16 r (apply) s -3 r 46 c 224 1358 p (If) s 15 r 97 c 15 r (managed) s 16 r (net) s -1 r 119 c -1 r (ork) s 14 r (elemen) s 0 r 116 c 14 r (supp) s 1 r (orts) s 16 r 97 c 15 r (reliable) s 15 r (clo) s 1 r 99 c 0 r 107 c 224 1415 p (represen) s 0 r (tation,) s 14 r (reco) s 0 r 118 c -1 r (ering) s 14 r (from) s 15 r 97 c 15 r (crash) s 15 r (requires) s 15 r (no) s 15 r (sp) s 2 r (ecial) s 224 1471 p (actions.) s 20 r (\(It) s 16 r (is) s 15 r (assumed) s 15 r (that) s 15 r (managemen) s 0 r 116 c 14 r (stations) s 15 r (will) s 15 r (alw) s 0 r 97 c -1 r (ys) s 224 1528 p (supp) s 1 r (ort) s 16 r (reliable) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (represen) s 0 r (tations,) s 14 r (where) s 15 r 97 c 15 r 112 c 1 r (erson) s 15 r (presen) s 0 r 116 c 224 1584 p (during) s 15 r (the) s 15 r (reco) s 0 r 118 c -1 r (ery) s 14 r (setting) s 15 r (the) s 15 r (clo) s 2 r 99 c -1 r 107 c 15 r (is) s 15 r (considered) s 15 r 97 c 15 r (reliable) s 224 1641 p (represen) s 0 r (tation.\)) s 19 r 70 c -3 r (or) s 14 r (eac) s 0 r 104 c 14 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (in) s 16 r (the) s 15 r (lo) s 1 r (cal) s 15 r (database) s 224 1697 p (for) s 15 r (suc) s 0 r 104 c 14 r 97 c 15 r (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c -3 r 44 c 14 r (its) s 15 r (iden) s 0 r (tit) s -2 r 121 c -3 r 44 c 14 r (authen) s -1 r (tication) s 224 1754 p (clo) s 1 r 99 c 0 r (k,) s 14 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s 14 r (and) s 15 r (priv) s -2 r (ate) s 14 r (priv) s -1 r (acy) s 14 r 107 c 0 r (ey) s 14 r 109 c 0 r (ust) s 224 1810 p (enjo) s 0 r 121 c 14 r (non-v) s 0 r (olatile,) s 14 r (incorruptible) s 15 r (represen) s 0 r (tations.) s 19 r (If) s 15 r 112 c 1 r (ossible,) s 224 1867 p (lifetime) s 15 r (should) s 15 r (also) s 16 r (enjo) s -1 r 121 c 14 r 97 c 16 r (non-v) s -1 r (olatile,) s 15 r (incorruptible) s 224 1923 p (represen) s 0 r (tation.) s 19 r (Up) s 1 r (on) s 16 r (reb) s 1 r 111 c 1 r (ot,) s 15 r (the) s 15 r (remaining) s 15 r (elemen) s 0 r (ts) s 14 r (of) s 16 r (eac) s -1 r 104 c 224 1979 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (set) s 15 r (as) s 16 r (follo) s -1 r (ws.) s 20 r (\(It) s 15 r (is) s 15 r (assumed) s 15 r (the) s 15 r (only) s 224 2036 p (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (are) s 16 r (the) s 15 r 116 c -1 r 119 c -1 r 111 c 14 r (sp) s 2 r (eci\014ed) s 15 r (in) s 15 r (this) s 15 r (memo.) s 20 r (Should) s 224 2092 p (there) s 15 r (exist) s 15 r (other) s 16 r (securit) s -1 r 121 c 14 r (proto) s 2 r (cols,) s 15 r (the) s 15 r (authen) s 0 r (tication) s 224 2149 p (proto) s 1 r (col) s 16 r (and) s 15 r (the) s 15 r (priv) s -2 r (acy) s 14 r (proto) s 2 r (col) s 15 r 119 c 0 r (ould) s 14 r (also) s 15 r (require) s 224 2205 p (non-v) s 0 r (olatile,) s 14 r (incorruptible) s 15 r (represen) s 0 r (tations.\)) s cmsy10.329 @sf 292 2340 p 15 c cmr10.329 @sf 23 r (If) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s 14 r (is) s 15 r (not) s 15 r (the) s cmbx10.329 @sf 15 r (OCTET) s 338 2396 p (STRING) s cmr10.329 @sf 15 r (of) s 15 r (zero) s 15 r (length,) s 15 r (the) s 16 r (authen) s -1 r (tication) s 14 r (proto) s 2 r (col) s 15 r (is) s 338 2452 p (set) s 15 r (to) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 2 r (col) s 15 r (according) s 15 r (to) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (33]) s @eop 32 @bop0 cmbx10.329 @sf [<1E0FE0001F7FF8001FFFFC001FF0FE001FC07F001FC03F001FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC0 3F801FC03F801FC03F001FC07F001FF0FF001FFFFE001FFFFC001FCFF0001FC000001FC000001FC000001FC000001FC00000 1FC000001FC000001FC00000FFC00000FFC00000FFC00000FFC00000> 32 32 -1 0 29.040] 98 @dc 32 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (In) s 15 r (order) s 15 r (to) s 16 r (distinguish) s 15 r (the) s 15 r 116 c 0 r 119 c -2 r 111 c 15 r 112 c 1 r (ossible) s 15 r (error) s 15 r (conditions,) s 15 r 97 c 224 364 p (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 13 r (station) s 15 r (could) s 14 r 99 c 0 r (hec) s -1 r 107 c 13 r (the) s 15 r (destination) s 14 r (to) s 224 420 p (see) s 15 r (if) s 15 r (the) s 16 r 99 c -1 r (hange) s 14 r (has) s 16 r 111 c 1 r (ccurred.) s 20 r (Unfortunately) s -3 r 44 c 14 r (since) s 16 r (the) s 15 r (secret) s 224 477 p 118 c -1 r (alues) s 14 r (are) s 15 r (unreadable,) s 15 r (this) s 15 r (is) s 15 r (not) s 16 r (directly) s 15 r 112 c 1 r (ossible.) s 224 627 p (One) s 15 r 112 c 2 r (ossible) s 15 r (strategy) s 15 r (is) s 15 r (to) s 15 r (set) s 15 r (the) s 15 r (public) s 16 r 118 c -2 r (alue) s 14 r (corresp) s 2 r (onding) s 224 684 p (to) s 15 r (the) s 15 r (secret) s 16 r 98 c 1 r (eing) s 15 r 99 c 0 r (hanged) s 14 r (to) s 15 r 97 c 15 r (recognizable,) s 15 r (no) s 0 r 118 c -1 r (el) s 14 r 118 c -2 r (alue,) s 15 r (i.e.,) s 224 740 p (set) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthPublic) s cmr10.329 @sf 14 r (when) s 15 r 99 c 0 r (hanging) s cmbx10.329 @sf 14 r (part) s 0 r (yAuthPriv) s -3 r (ate) s cmr10.329 @sf 0 r 44 c 224 796 p (or) s 15 r (set) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivPublic) s cmr10.329 @sf 14 r (when) s 15 r 99 c 0 r (hanging) s cmbx10.329 @sf 14 r (part) s 0 r (yPrivPriv) s -3 r (ate) s cmr10.329 @sf 0 r 46 c 224 853 p (In) s 15 r (this) s 15 r 119 c 0 r 97 c -1 r 121 c -4 r 44 c 14 r (the) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (ma) s 0 r 121 c 14 r (retriev) s 0 r 101 c 224 909 p (the) s 15 r (public) s 15 r 118 c -1 r (alue) s 14 r (when) s 15 r 97 c 15 r (resp) s 2 r (onse) s 15 r (is) s 15 r (not) s 15 r (receiv) s 0 r (ed,) s 14 r (and) s 15 r 118 c 0 r (erify) s 14 r (if) s 224 966 p (the) s 15 r 99 c 0 r (hange) s 14 r (has) s 15 r (tak) s 0 r (en) s 14 r (place.) s 20 r (\(This) s 16 r (strategy) s 15 r (is) s 15 r 97 c 0 r 118 c -3 r (ailable) s 14 r (since) s 224 1022 p (the) s 15 r (public) s 15 r 118 c -1 r (alues) s 14 r (are) s 15 r (not) s 15 r (used) s 16 r 98 c -1 r 121 c 14 r (the) s 16 r (proto) s 1 r (cols) s 15 r (de\014ned) s 15 r (in) s 15 r (this) s 224 1079 p (memo.) s 20 r (If) s 16 r (this) s 15 r (strategy) s 15 r (is) s 15 r (emplo) s 0 r 121 c -2 r (ed,) s 15 r (then) s 15 r (the) s 15 r (public) s 15 r 118 c -1 r (alues) s 14 r (are) s 224 1135 p (signi\014can) s 0 r 116 c 14 r (in) s 15 r (this) s 15 r (con) s 0 r (text.) s 19 r (Of) s 15 r (course,) s 16 r (proto) s 1 r (cols) s 15 r (using) s 15 r (the) s 224 1192 p (public) s 15 r 118 c -1 r (alues) s 14 r (ma) s 0 r 121 c 14 r (mak) s 0 r 101 c 14 r (use) s 15 r (of) s 15 r (this) s 15 r (strategy) s 15 r (directly) s -2 r (.\)) s 224 1342 p (One) s 15 r (other) s 15 r (scenario) s 16 r 119 c -1 r (orth) s -1 r 121 c 14 r (of) s 15 r (men) s 0 r (tion) s 14 r (is) s 15 r (using) s 16 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 224 1399 p (to) s 15 r 99 c 0 r (hange) s 14 r (its) s 15 r 111 c 0 r (wn) s 14 r (secrets.) s 20 r (In) s 16 r (this) s 15 r (case,) s 15 r (the) s 15 r (destination) s 15 r (will) s 224 1455 p 99 c 0 r (hange) s 13 r (its) s 15 r (lo) s 1 r (cal) s 14 r (database) s 15 r (prior) s 14 r (to) s 14 r (generating) s 15 r 97 c 14 r (resp) s 1 r (onse.) s 20 r (Th) s 0 r (us,) s 224 1512 p (the) s 15 r (resp) s 2 r (onse) s 15 r (will) s 15 r 98 c 1 r 101 c 15 r (constructed) s 15 r (according) s 16 r (to) s 15 r (the) s 15 r (new) s 15 r 118 c -1 r (alue.) s 224 1568 p (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 15 r (the) s 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (will) s 15 r (not) s 15 r (up) s 2 r (date) s 224 1624 p (its) s 15 r (lo) s 2 r (cal) s 15 r (database) s 15 r (un) s 0 r (til) s 14 r (after) s 15 r (the) s 15 r (resp) s 1 r (onse) s 15 r (is) s 16 r (receiv) s -1 r (ed.) s 20 r (This) s 224 1681 p (suggests) s 15 r (the) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (ma) s 0 r 121 c 14 r (receiv) s 0 r 101 c 14 r 97 c 224 1737 p (resp) s 1 r (onse) s 16 r (whic) s -1 r 104 c 14 r (will) s 16 r 98 c 1 r 101 c 15 r (ev) s -2 r (aluated) s 15 r (as) s 15 r (unauthen) s 0 r (tic,) s 14 r (unless) s 15 r (the) s 224 1794 p (correct) s 15 r (secret) s 15 r (is) s 16 r (used.) s 20 r (The) s 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 224 1850 p (ma) s 0 r 121 c 14 r (either) s 15 r (accoun) s 0 r 116 c 14 r (for) s 15 r (this) s 15 r (scenario) s 16 r (as) s 15 r 97 c 15 r (sp) s 1 r (ecial) s 15 r (case,) s 15 r (or) s 16 r (use) s 224 1907 p (the) s 15 r (mec) s 0 r (hanism) s 14 r (describ) s 1 r (ed) s 16 r (ab) s 1 r 111 c 0 r 118 c -2 r 101 c 14 r (to) s 16 r 118 c -1 r (erify) s 15 r (if) s 15 r (the) s 15 r 99 c 0 r (hange) s 14 r (has) s 224 1963 p (tak) s 0 r (en) s 14 r (place,) s 15 r (i.e.,) s 15 r (setting) s 15 r (the) s 16 r (public) s 15 r 118 c -2 r (alue) s 14 r (to) s 16 r 97 c 15 r (recognizable,) s 224 2020 p (no) s 0 r 118 c -1 r (el) s 14 r 118 c -2 r (alue) s 14 r (when) s 16 r 99 c -1 r (hanging) s 14 r 97 c 16 r (secret) s 15 r 118 c -2 r (alue.) s 224 2170 p (Note,) s 15 r (during) s 14 r (the) s 14 r 112 c 2 r (erio) s 1 r 100 c 14 r (of) s 15 r (time) s 14 r (after) s 14 r (the) s 15 r (request) s 14 r (has) s 15 r 98 c 1 r (een) s 14 r (sen) s 0 r 116 c 224 2227 p (and) s 15 r 98 c 2 r (efore) s 15 r (the) s 15 r (resp) s 1 r (onse) s 15 r (is) s 15 r (receiv) s 0 r (ed,) s 14 r (the) s 15 r (managemen) s 0 r 116 c 14 r (station) s 224 2283 p 109 c 0 r (ust) s 14 r 107 c 0 r (eep) s 14 r (trac) s 0 r 107 c 14 r (of) s 15 r 98 c 1 r (oth) s 15 r (the) s 16 r (old) s 15 r (and) s 15 r (new) s 15 r (secret) s 15 r 118 c -1 r (alues.) s 19 r (Since) s 224 2340 p (the) s 15 r (dela) s 0 r 121 c 14 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (the) s 16 r (result) s 15 r (of) s 15 r 97 c 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (failure,) s 15 r (the) s 224 2396 p (managemen) s 0 r 116 c 14 r (station) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (prepared) s 16 r (to) s 15 r (retain) s 15 r 98 c 1 r (oth) s 15 r 118 c -1 r (alues) s 224 2452 p (for) s 15 r (an) s 15 r (extended) s 16 r 112 c 1 r (erio) s 1 r 100 c 15 r (of) s 15 r (time,) s 16 r (including) s 15 r (across) s 15 r (reb) s 1 r 111 c 1 r (ots.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (32]) s @eop 31 @bop0 31 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (SNMP) s 15 r (Set) s 15 r (request) s 15 r (in) s 15 r 97 c 16 r (SNMP) s 15 r (priv) s -2 r (ate) s 14 r (managemen) s 0 r 116 c 338 364 p (comm) s 0 r (unication) s 14 r (with) s 15 r (at) s 15 r (least) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (prop) s 1 r (erties.) s cmsy10.329 @sf 392 470 p 15 c cmr10.329 @sf 23 r (Its) s 15 r (source) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 438 526 p (Proto) s 1 r (col) s 15 r (and) s 15 r (the) s 16 r (Symmetric) s 15 r (Priv) s -2 r (acy) s 14 r (Proto) s 2 r (col.) s cmsy10.329 @sf 392 605 p 15 c cmr10.329 @sf 23 r (Its) s 15 r (destination) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 438 662 p (Proto) s 1 r (col) s 15 r (and) s 15 r (the) s 16 r (Digest) s 15 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col.) s 280 768 p (3.) s 22 r (The) s 16 r (SNMP) s 15 r (priv) s -2 r (ate) s 14 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (is) s 338 825 p (transmitted) s 15 r (to) s 15 r (its) s 15 r (destination.) s 280 931 p (4.) s 22 r (Up) s 2 r (on) s 15 r (receiving) s 15 r (the) s 15 r (request,) s 15 r (the) s 15 r (recipien) s 0 r 116 c 14 r (pro) s 2 r (cesses) s 15 r (the) s 338 987 p (message) s 15 r (according) s 15 r (to) s 15 r 91 c 0 r 49 c 0 r 93 c 15 r (and) s 16 r 91 c 0 r 50 c 0 r (].) s 280 1093 p (5.) s 22 r (The) s 16 r (recipien) s -1 r 116 c 14 r (encapsulates) s 16 r 97 c 15 r (SNMP) s 15 r (Set) s 15 r (resp) s 1 r (onse) s 15 r (in) s 16 r 97 c 338 1150 p (SNMP) s 15 r (priv) s -2 r (ate) s 14 r (managemen) s 0 r 116 c 14 r (comm) s -1 r (unication) s 14 r (with) s 15 r (at) s 15 r (least) s 338 1206 p (the) s 15 r (follo) s 0 r (wing) s 14 r (prop) s 1 r (erties.) s cmsy10.329 @sf 392 1312 p 15 c cmr10.329 @sf 23 r (Its) s 15 r (source) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 438 1369 p (Proto) s 1 r (col) s 15 r (and) s 15 r (the) s 16 r (Symmetric) s 15 r (Priv) s -2 r (acy) s 14 r (Proto) s 2 r (col.) s cmsy10.329 @sf 392 1448 p 15 c cmr10.329 @sf 23 r (Its) s 15 r (destination) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 438 1505 p (Proto) s 1 r (col) s 15 r (and) s 15 r (the) s 16 r (Digest) s 15 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col.) s 280 1611 p (6.) s 22 r (The) s 16 r (SNMP) s 15 r (priv) s -2 r (ate) s 14 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (is) s 338 1667 p (transmitted) s 15 r (to) s 15 r (its) s 15 r (destination.) s 280 1773 p (7.) s 22 r (Up) s 2 r (on) s 15 r (receiving) s 15 r (the) s 15 r (resp) s 1 r (onse,) s 16 r (the) s 15 r (resp) s 1 r (onsible) s 338 1830 p (managemen) s 0 r 116 c 14 r (station) s 15 r (up) s 1 r (dates) s 15 r (its) s 15 r (lo) s 2 r (cal) s 15 r (database) s 15 r (with) s 15 r (the) s 338 1886 p (new) s 15 r 118 c -2 r (alue.) s 224 2032 p (If) s 15 r (the) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (do) s 1 r (es) s 15 r (not) s 15 r (receiv) s 0 r 101 c 14 r 97 c 224 2088 p (resp) s 1 r (onse) s 16 r (to) s 15 r (its) s 15 r (request,) s 15 r (there) s 15 r (are) s 15 r 116 c 0 r 119 c -1 r 111 c 14 r 112 c 1 r (ossible) s 15 r (causes.) s cmsy10.329 @sf 292 2233 p 15 c cmr10.329 @sf 23 r (The) s 15 r (request) s 15 r (ma) s 0 r 121 c 14 r (not) s 15 r (ha) s 0 r 118 c -1 r 101 c 14 r 98 c 1 r (een) s 15 r (deliv) s 0 r (ered) s 14 r (to) s 15 r (the) s 338 2290 p (destination.) s cmsy10.329 @sf 292 2396 p 15 c cmr10.329 @sf 23 r (The) s 15 r (resp) s 1 r (onse) s 16 r (ma) s -1 r 121 c 15 r (not) s 15 r (ha) s -1 r 118 c -1 r 101 c 14 r 98 c 2 r (een) s 15 r (deliv) s -1 r (ered) s 15 r (to) s 15 r (the) s 338 2452 p (originator) s 15 r (of) s 15 r (the) s 15 r (request.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (31]) s @eop 30 @bop0 cmbx12.300 @sf [<03FE000FFFC01FFFE03FFFF87F0FF8FE07FCFF03FCFF03FEFF03FEFF03FEFF03FE7E03FE0003FE0003FE0003FC0007F8000F F001FFE001FF0001FF80003FE0001FF00E0FF01F8FF83F8FF83FC7F83FC7F83F87F83F8FF81F8FF01FFFF00FFFE007FFC001 FE00> 24 34 -2 1 28.019] 51 @dc [<E0FF8000F7FFF000FFFFF800FFFFFC00FFC1FC00FE007E00FC007E00F8003F00F0003F00F0003F00F0003F0000007F000000 FF000001FF00001FFF0001FFFE0007FFFE001FFFFC003FFFFC003FFFF8007FFFF0007FFFC000FFFC0000FFC00000FF000000 FE003C00FC003C00FC007C00FC007C007E00FC007E01FC007F87FC003FFFFC001FFFFC000FFFBC0003FE1C00> 32 36 -3 1 31.133] 83 @dc [<FFFFFF8000FFFFFFF000FFFFFFFC00FFFFFFFE0007F803FF0007F800FF8007F8003FC007F8001FE007F8001FE007F8000FF0 07F8000FF007F8000FF007F8000FF807F8000FF807F8000FF807F8000FF807F8000FF807F8000FF807F8000FF807F8000FF8 07F8000FF807F8000FF007F8000FF007F8000FF007F8001FF007F8001FE007F8003FE007F8003FC007F800FF8007F803FF00 FFFFFFFE00FFFFFFFC00FFFFFFF000FFFFFF8000> 40 34 -2 0 42.951] 68 @dc [<FFF8FFF8FFF8FFF81FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC01FC0FFC0FFC0FFC0FFC0000000000000 000000001F003F803FC07FC07FC07FC03FC03F801F00> 16 36 -1 0 15.566] 105 @dc [<1E0FF8001F3FFE001FFFFF001FF87F801FE03FC01FC01FC01FC01FC01FC01FE01FC01FE01FC01FE01FC01FE01FC01FE01FC0 1FE01FC01FE01FC01FE01FC01FE01FC01FC01FE03FC01FF87F801FFFFF001FFFFE001FC7F8001FC000001FC000001FC00000 1FC000001FC000001FC000001FC000001FC000001FC00000FFC00000FFC00000FFC00000FFC00000> 32 35 -1 0 31.133] 98 @dc [<03FE3FF00FFFBFF00FFFFFF01FC1FFF01FC0FF801FC07F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC0 3F801FC03F801FC03F801FC03F801FC03F801FC03F80FFC1FF80FFC1FF80FFC1FF80FFC1FF80> 32 22 -1 0 31.133] 117 @dc 30 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (timestamp) s 15 r (is) s 15 r (added) s 16 r (to) s 15 r (lifetime) s 15 r (and) s 15 r (compared) s 15 r (to) s 15 r (the) s 224 364 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k.) s 19 r 65 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c 15 r 109 c -1 r (ust) s 14 r (guaran) s 0 r (tee) s 224 420 p (that) s 15 r (the) s 15 r (sum) s 16 r (is) s 15 r (nev) s -1 r (er) s 15 r (greater) s 15 r (than) s 15 r (the) s 15 r (maximal) s 15 r (time) s 15 r 118 c -1 r (alue.\)) s 224 477 p (In) s 15 r (this) s 15 r (state,) s 16 r (the) s 15 r (only) s 15 r (authen) s 0 r (ticated) s 14 r (request) s 15 r 97 c 15 r (managemen) s 0 r 116 c 224 533 p (station) s 15 r (should) s 15 r (generate) s 16 r (for) s 15 r (this) s 15 r (part) s 0 r 121 c 14 r (is) s 15 r (one) s 15 r (that) s 15 r (alters) s 15 r (the) s 224 589 p 118 c -1 r (alue) s 14 r (of) s 15 r (at) s 15 r (least) s 15 r (its) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 2 r 99 c -1 r (k,) s 14 r (priv) s -1 r (ate) s 224 646 p (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s -4 r 44 c 14 r (last-timestamp,) s 15 r (and) s 15 r (nonce.) s 21 r (In) s 15 r (order) s 15 r (to) s 224 702 p (reset) s 15 r (these) s 15 r 118 c -1 r (alues,) s 14 r (the) s 15 r (resp) s 1 r (onsible) s 16 r (managemen) s -1 r 116 c 15 r (station) s 15 r 109 c -1 r (ust) s 224 759 p (set) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (timestamp) s 15 r (in) s 16 r (the) s 15 r (message) s 15 r (to) s 15 r (the) s 224 815 p (maximal) s 15 r (time) s 15 r 118 c -1 r (alue.) s 19 r (The) s 15 r (nonce) s 15 r 118 c -1 r (alue) s 14 r (is) s 15 r (used) s 15 r (to) s 16 r (distinguish) s 224 872 p 109 c 0 r (ultiple) s 14 r (messages.) s 224 967 p (The) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r 97 c 16 r (particular) s 15 r (SNMP) s 224 1024 p (part) s 0 r 121 c 14 r 109 c 0 r (ust) s 14 r (nev) s 0 r (er) s 14 r 98 c 1 r 101 c 15 r (altered) s 15 r (suc) s 0 r 104 c 14 r (that) s 15 r (its) s 16 r (new) s 15 r 118 c -2 r (alue) s 14 r (is) s 16 r (less) s 224 1080 p (than) s 15 r (its) s 15 r (old) s 16 r 118 c -2 r (alue,) s 14 r (unless) s 15 r (its) s 16 r (last-timestamp) s 15 r (and) s 15 r (priv) s -2 r (ate) s 224 1137 p (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s 14 r (are) s 15 r (also) s 15 r (altered) s 15 r (at) s 16 r (the) s 15 r (same) s 15 r (time.) s cmbx12.300 @sf 224 1296 p (8.3) s 56 r (Secret) s 19 r (Distribution) s cmr10.329 @sf 224 1421 p (This) s 15 r (section) s 14 r (describ) s 2 r (es) s 14 r (one) s 15 r (strategy) s 15 r 98 c -1 r 121 c 14 r (whic) s 0 r 104 c 14 r 97 c 14 r (SNMP) s 15 r (proto) s 1 r (col) s 224 1478 p (en) s 0 r (tit) s -1 r 121 c 14 r (that) s 15 r (supp) s 1 r (orts) s 15 r 98 c 2 r (oth) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col) s 224 1534 p (and) s 15 r (the) s 15 r (Symmetric) s 16 r (Priv) s -2 r (acy) s 14 r (Proto) s 1 r (col) s 16 r (can) s 15 r 99 c 0 r (hange) s 14 r (the) s 15 r (secrets) s 224 1591 p (for) s 15 r 97 c 15 r (particular) s 16 r (SNMP) s 15 r (part) s -1 r (y.) s 224 1686 p (The) s 15 r (frequency) s 15 r (with) s 16 r (whic) s -1 r 104 c 14 r (the) s 16 r (secrets) s 15 r (of) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (should) s 224 1743 p 98 c 1 r 101 c 16 r 99 c -1 r (hanged) s 14 r (is) s 16 r 97 c 15 r (lo) s 1 r (cal) s 15 r (administrativ) s 0 r 101 c 14 r (issue.) s 20 r (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 15 r (the) s 15 r (more) s 224 1799 p (frequen) s 0 r (tly) s 14 r 97 c 15 r (secret) s 15 r (is) s 15 r (used,) s 16 r (the) s 15 r (more) s 15 r (frequen) s 0 r (tly) s 14 r (it) s 15 r (should) s 15 r 98 c 1 r 101 c 224 1856 p 99 c 0 r (hanged.) s 19 r 65 c 0 r 116 c 14 r 97 c 15 r (minim) s 0 r (um,) s 14 r (the) s 15 r (secrets) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 16 r 99 c -1 r (hanged) s 15 r (at) s 15 r (least) s 224 1912 p (ev) s 0 r (ery) s 14 r (maximal) s 15 r (time) s 15 r 118 c -1 r (alue) s 14 r (\(see) s 15 r (Section) s 15 r (9\).) s 224 2008 p (The) s 15 r (follo) s 0 r (wing) s 14 r (sequence) s 15 r (of) s 15 r (steps) s 16 r (sp) s 1 r (eci\014es) s 15 r (ho) s 0 r 119 c 14 r 97 c 15 r (resp) s 1 r (onsible) s 224 2064 p (managemen) s 0 r 116 c 14 r (station) s 15 r 99 c 0 r (hanges) s 14 r 97 c 15 r (secret) s 15 r 118 c -1 r (alue) s 14 r (for) s 15 r 97 c 15 r (particular) s 224 2121 p (SNMP) s 15 r (part) s 0 r 121 c -4 r 44 c 14 r (i.e.,) s 16 r (ho) s -1 r 119 c 14 r (to) s 16 r 99 c -1 r (hange) s 14 r (the) s 16 r (priv) s -2 r (ate) s 14 r (authen) s 0 r (tication) s 224 2177 p 107 c 0 r (ey) s 14 r (or) s 15 r (the) s 15 r (priv) s -1 r (ate) s 14 r (priv) s -2 r (acy) s 15 r 107 c -1 r (ey) s -3 r 46 c 280 2304 p (1.) s 22 r (The) s 16 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (generates) s 15 r 97 c 15 r (new) s 338 2361 p (secret) s 15 r 118 c -2 r (alue.) s 280 2452 p (2.) s 22 r (The) s 16 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (encapsulates) s 15 r 97 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (30]) s @eop 29 @bop0 cmbx12.300 @sf [<FFF9FFE0FFF9FFE0FFF9FFE0FFF9FFE01FC1FE001FC3FC001FC7F8001FC7F0001FCFF0001FFFE0001FFFC0001FFFC0001FFF 80001FFF00001FFF80001FDFC0001FCFE0001FC3F0001FC3FFC01FC3FFC01FC3FFC01FC3FFC01FC000001FC000001FC00000 1FC000001FC000001FC000001FC000001FC000001FC00000FFC00000FFC00000FFC00000FFC00000> 32 35 -1 0 29.576] 107 @dc 29 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (from) s 15 r (disclosure) s 15 r (to) s 16 r (unauthorized) s 15 r (en) s -1 r (tities,) s 15 r (e.g.,) s 15 r (the) s 15 r (Symmetric) s 224 364 p (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col) s 15 r (is) s 15 r (an) s 15 r (acceptable) s 16 r (mec) s -1 r (hanism.) s cmbx12.300 @sf 224 524 p (8.2) s 56 r (Clo) s 2 r 99 c -1 r 107 c 18 r (Distribution) s cmr10.329 @sf 224 649 p 65 c 15 r (resp) s 2 r (onsible) s 15 r (managemen) s -1 r 116 c 15 r (station) s 15 r 109 c -1 r (ust) s 15 r (ensure) s 15 r (the) s 224 705 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 13 r 118 c -1 r (alue) s 13 r (for) s 15 r (eac) s 0 r 104 c 14 r (SNMP) s 14 r (part) s 0 r 121 c 14 r (for) s 14 r (whic) s 0 r 104 c 14 r (it) s 14 r (is) s 224 762 p (resp) s 1 r (onsible:) s cmsy10.329 @sf 292 891 p 15 c cmr10.329 @sf 23 r (is) s 15 r (lo) s 1 r (osely) s 16 r (sync) s -1 r (hronized) s 15 r (among) s 15 r (all) s 15 r (the) s 15 r (lo) s 1 r (cal) s 15 r (databases) s 16 r (in) s 338 948 p (whic) s 0 r 104 c 14 r (it) s 15 r (app) s 1 r (ears,) s cmsy10.329 @sf 292 1040 p 15 c cmr10.329 @sf 23 r (is) s 15 r (reset,) s 15 r (as) s 16 r (indicated) s 15 r 98 c 1 r (elo) s 0 r (w,) s 14 r (up) s 1 r (on) s 15 r (reac) s 0 r (hing) s 14 r (its) s 15 r (maximal,) s 338 1097 p (and) s cmsy10.329 @sf 292 1189 p 15 c cmr10.329 @sf 23 r (is) s 15 r (non-decreasing,) s 15 r (except) s 16 r (as) s 15 r (indicated) s 15 r 98 c 1 r (elo) s 0 r (w.) s 224 1319 p (The) s 15 r (sk) s 0 r (ew) s 13 r (among) s 15 r (the) s 14 r (clo) s 2 r 99 c -1 r 107 c 14 r 118 c -1 r (alues) s 13 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (accoun) s -1 r (ted) s 14 r (for) s 15 r (in) s 14 r (the) s 224 1375 p (lifetime) s 15 r 118 c -1 r (alue,) s 14 r (in) s 15 r (addition) s 15 r (to) s 15 r (the) s 16 r (exp) s 1 r (ected) s 15 r (comm) s 0 r (unication) s 224 1432 p (deliv) s 0 r (ery) s 14 r (dela) s 0 r 121 c -4 r 46 c 224 1527 p (The) s 15 r (detection) s 15 r (of) s 16 r 97 c 15 r (sk) s -1 r (ew) s -1 r (ed) s 14 r (authen) s 0 r (tication) s 14 r (clo) s 2 r 99 c -1 r 107 c 14 r (ma) s 0 r 121 c 14 r 98 c 2 r 101 c 224 1584 p (iden) s 0 r (ti\014ed) s 14 r 98 c 0 r 121 c 14 r 97 c 15 r 110 c 0 r (um) s -1 r 98 c 0 r (er) s 15 r (of) s 15 r (strategies,) s 15 r (including) s 15 r (kno) s 0 r (wledge) s 14 r (of) s 224 1640 p (the) s 15 r (accuracy) s 15 r (of) s 16 r (the) s 15 r (system) s 15 r (clo) s 1 r 99 c 0 r (k,) s 14 r (unauthen) s 0 r (ticated) s 14 r (queries) s 15 r (of) s 224 1697 p (the) s 15 r (lo) s 2 r (cal) s 15 r (database,) s 15 r (and) s 15 r (recognition) s 15 r (of) s 15 r (authen) s 0 r (tication) s 14 r (failures) s 224 1753 p (originated) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c -4 r 46 c 224 1849 p (The) s 15 r (sequence) s 15 r (of) s 16 r (steps) s 15 r 98 c -1 r 121 c 15 r (whic) s -1 r 104 c 15 r 97 c 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 224 1905 p (station) s 15 r 99 c 0 r (hanges) s 14 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 16 r 97 c 15 r (particular) s 224 1962 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (is) s 15 r (similar) s 15 r (to) s 16 r (that) s 15 r (used) s 15 r (to) s 15 r 99 c 0 r (hange) s 14 r 97 c 15 r (secret) s 15 r 118 c -1 r (alue) s 224 2018 p (\(see) s 15 r (Section) s 15 r (8.3\).) s 21 r (Ho) s -1 r 119 c -1 r (ev) s -1 r (er,) s 14 r (since) s 15 r (the) s 15 r (clo) s 2 r 99 c -1 r 107 c 14 r 118 c -1 r (alue) s 14 r (need) s 15 r (not) s 15 r 98 c 2 r 101 c 224 2075 p (protected) s 15 r (from) s 15 r (disclosure,) s 16 r (it) s 15 r (is) s 15 r (not) s 15 r (necessary) s 15 r (for) s 15 r (the) s 224 2131 p (destination) s 15 r (to) s 15 r (supp) s 2 r (ort) s 15 r 97 c 15 r (priv) s -2 r (acy) s 15 r (proto) s 1 r (col) s 15 r (to) s 15 r (distribute) s 15 r (clo) s 2 r 99 c -1 r 107 c 224 2187 p 118 c -1 r (alues.) s 224 2283 p (If) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 2 r 99 c -1 r 107 c 14 r (for) s 16 r 97 c 15 r (particular) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (ev) s 0 r (er) s 224 2340 p (reac) s 0 r (hes) s 14 r (the) s 15 r (maximal) s 15 r (time) s 15 r 118 c -1 r (alue,) s 14 r (the) s 15 r (clo) s 2 r 99 c -1 r 107 c 14 r 109 c 0 r (ust) s 14 r (halt) s 15 r (at) s 16 r (that) s 224 2396 p 118 c -1 r (alue.) s 19 r (\(The) s 15 r 118 c -2 r (alue) s 15 r (of) s 15 r (in) s -1 r (terest) s 15 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 15 r (the) s 15 r (maxim) s 0 r (um) s 14 r (less) s 224 2452 p (lifetime.) s 20 r (When) s 16 r (authen) s -1 r (ticating) s 14 r 97 c 16 r (message,) s 15 r (its) s 15 r (authen) s 0 r (tication) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (29]) s @eop 28 @bop0 28 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 354 307 p (\(b\)) s 23 r (The) s 15 r 118 c -1 r (alues) s 14 r (receiv) s 0 r (ed) s 14 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 15 r (again) s 16 r (retriev) s -1 r 101 c 438 364 p (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r (eac) s 0 r 104 c 14 r (part) s 0 r 121 c 14 r (to) s 15 r 98 c 1 r 101 c 438 420 p (recon\014gured.) s 20 r (This) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (at) s 16 r (least) s 15 r (an) s 438 477 p (authen) s 0 r (ticated) s 14 r (request,) s 15 r (so) s 15 r (the) s 15 r (actual) s 15 r 118 c -1 r (alues) s 14 r (can) s 15 r 98 c 1 r 101 c 438 533 p 118 c 0 r (eri\014ed.) s 360 613 p (\(c\)) s 22 r (The) s 15 r 118 c -1 r (alues) s 14 r (receiv) s 0 r (ed) s 14 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 16 r (determine) s 15 r (an) s 438 670 p (appropriate) s 15 r 118 c -2 r (alue) s 15 r (for) s 15 r (eac) s -1 r 104 c 15 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 438 726 p (clo) s 1 r 99 c 0 r (ks.) s 19 r (These) s 14 r (new) s 15 r 118 c -2 r (alues) s 14 r 109 c -1 r (ust) s 14 r 98 c 1 r 101 c 15 r (distributed) s 14 r (to) s 14 r (the) s 438 783 p (appropriate) s 15 r (set) s 15 r (of) s 15 r (parties) s 15 r (in) s 16 r (order) s 15 r (to) s 15 r (sync) s 0 r (hronize) s 438 839 p (the) s 15 r (clo) s 1 r 99 c 0 r (ks,) s 14 r (using) s 15 r (at) s 15 r (least) s 16 r (an) s 15 r (authen) s -1 r (ticated) s 15 r (message.) s 438 896 p (Up) s 1 r (on) s 15 r (receiving) s 15 r 112 c 2 r (ositiv) s -1 r 101 c 15 r (ac) s -1 r (kno) s -1 r (wledge) s 14 r (that) s 15 r (the) s 15 r (new) s 438 952 p 118 c -2 r (alues) s 14 r (ha) s 0 r 118 c -1 r 101 c 14 r 98 c 1 r (een) s 15 r (distributed,) s 16 r (the) s 15 r (managemen) s -1 r 116 c 438 1009 p (station) s 15 r (should) s 15 r (up) s 1 r (date) s 16 r (its) s 15 r (lo) s 1 r (cal) s 15 r (database) s 15 r (with) s 15 r (the) s 438 1065 p (new) s 15 r 118 c -2 r (alues.) s 280 1173 p (5.) s 22 r (The) s 16 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (should) s 15 r 99 c 0 r (hange) s 14 r (the) s 338 1230 p (secret) s 15 r 118 c -2 r (alues) s 15 r (man) s -1 r (ually) s 14 r (con\014gured) s 16 r (to) s 15 r (ensure) s 15 r (the) s 15 r (actual) s 338 1286 p 118 c -2 r (alues) s 14 r (are) s 16 r (kno) s -1 r (wn) s 14 r (only) s 16 r (to) s 15 r (the) s 15 r 112 c 1 r (eers) s 15 r (requiring) s 15 r (kno) s 0 r (wledge) s 338 1343 p (of) s 15 r (them) s 15 r (in) s 15 r (order) s 15 r (to) s 16 r (comm) s -1 r (unicate.) s 19 r 84 c -2 r 111 c 14 r (do) s 15 r (this,) s 15 r 97 c 338 1399 p (managemen) s 0 r 116 c 13 r (station) s 14 r (generates) s 15 r (new) s 14 r (secrets) s 15 r (for) s 14 r (eac) s 0 r 104 c 13 r (part) s 0 r 121 c 338 1456 p (to) s 15 r 98 c 1 r 101 c 15 r (recon\014gured) s 16 r (and) s 15 r (distributes) s 15 r (those) s 15 r (secrets) s 15 r (with) s 15 r 97 c 338 1512 p (strategy) s 15 r (that) s 15 r (uses) s 15 r 97 c 15 r (proto) s 2 r (col) s 15 r (that) s 15 r (protects) s 15 r (them) s 15 r (from) s 338 1569 p (disclosure,) s 15 r (e.g.,) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col) s 15 r (\(see) s 338 1625 p (Section) s 15 r (8.3\).) s 20 r (Up) s 1 r (on) s 16 r (receiving) s 15 r 112 c 1 r (ositiv) s 0 r 101 c 14 r (ac) s 0 r (kno) s -2 r (wledgemen) s -1 r 116 c 338 1681 p (that) s 15 r (the) s 15 r (new) s 15 r 118 c -1 r (alues) s 14 r (ha) s 0 r 118 c -2 r 101 c 14 r 98 c 2 r (een) s 15 r (distributed,) s 15 r (the) s 338 1738 p (managemen) s 0 r 116 c 14 r (station) s 15 r (should) s 15 r (up) s 1 r (date) s 15 r (its) s 16 r (lo) s 1 r (cal) s 15 r (database) s 338 1794 p (with) s 15 r (the) s 15 r (new) s 15 r 118 c -1 r (alues.) s 224 1958 p (If) s 15 r (the) s 15 r (managed) s 16 r (agen) s -1 r 116 c 14 r (do) s 2 r (es) s 15 r (not) s 15 r (supp) s 1 r (ort) s 15 r 97 c 16 r (proto) s 1 r (col) s 15 r (that) s 224 2014 p (protects) s 15 r (messages) s 15 r (from) s 16 r (disclosure,) s 15 r (then) s 15 r (automatic) s 224 2071 p (main) s 0 r (tenance) s 14 r (and) s 15 r (con\014guration) s 15 r (of) s 15 r (parties) s 16 r (is) s 15 r (not) s 15 r 112 c 1 r (ossible,) s 15 r (i.e.,) s 224 2127 p (the) s 15 r (last) s 15 r (step) s 16 r (ab) s 1 r 111 c 0 r 118 c -2 r 101 c 14 r (is) s 16 r (not) s 15 r 112 c 1 r (ossible.) s 20 r (The) s 15 r (secrets) s 16 r (can) s 15 r (only) s 15 r 98 c 1 r 101 c 224 2184 p 99 c 0 r (hanged) s 14 r 98 c 0 r 121 c 14 r 97 c 15 r (ph) s 0 r (ysical) s 14 r (visit) s 15 r (to) s 15 r (the) s 15 r (device.) s 224 2283 p (If) s 15 r (there) s 15 r (are) s 16 r (other) s 15 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tities) s 14 r (requiring) s 15 r (kno) s 0 r (wledge) s 224 2340 p (of) s 15 r (the) s 15 r (secrets,) s 16 r (the) s 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r 109 c 0 r (ust) s 224 2396 p (distribute) s 15 r (the) s 15 r (information) s 16 r (up) s 1 r (on) s 15 r (completion) s 15 r (of) s 15 r (the) s 15 r (initial) s 224 2452 p (con\014guration.) s 20 r (The) s 16 r (mec) s -1 r (hanism) s 14 r (used) s 16 r 109 c -1 r (ust) s 14 r (protect) s 16 r (the) s 15 r (secrets) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (28]) s @eop 27 @bop0 27 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (supp) s 1 r (orting) s 16 r (these) s 15 r (securit) s -1 r 121 c 15 r (proto) s 1 r (cols) s 15 r (sp) s 1 r (eci\014es) s 15 r 54 c 16 r (initial) s 15 r (part) s -1 r 121 c 224 364 p (iden) s 0 r (tities) s 13 r (and) s 15 r (initial) s 15 r 118 c -2 r (alues,) s 14 r (whic) s -1 r (h,) s 14 r 98 c 0 r 121 c 13 r (con) s 0 r 118 c -1 r (en) s -1 r (tion,) s 13 r (are) s 15 r (assigned) s 224 420 p (to) s 15 r (the) s 15 r (parties) s 16 r (and) s 15 r (their) s 15 r (asso) s 1 r (ciated) s 15 r (parameters) s 15 r 91 c 0 r 52 c 0 r (].) s 224 518 p (All) s 15 r 54 c 15 r (parties) s 16 r (should) s 15 r 98 c 1 r 101 c 15 r (con\014gured) s 15 r (in) s 15 r (eac) s 0 r 104 c 14 r (new) s 16 r (managed) s 15 r (agen) s -1 r 116 c 224 575 p (and) s 15 r (its) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station.) s 20 r (The) s 15 r (resp) s 1 r (onsible) s 224 631 p (managemen) s 0 r 116 c 14 r (station) s 15 r (should) s 15 r 98 c 2 r 101 c 15 r (con\014gured) s 15 r 98 c 1 r (efore) s 15 r (the) s 15 r (managed) s 224 688 p (agen) s 0 r (t,) s 14 r (since) s 15 r (the) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (can) s 16 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 15 r (generate) s 224 744 p (the) s 15 r (initial) s 15 r (secrets) s 16 r (and) s 15 r (pro) s -1 r (vide) s 15 r (them) s 15 r (to) s 15 r 97 c 15 r 112 c 1 r (erson,) s 16 r (on) s 15 r 97 c 15 r (suitable) s 224 801 p (medium,) s 15 r (for) s 15 r (distribution) s 16 r (to) s 15 r (the) s 15 r (managed) s 15 r (agen) s 0 r (t.) s 19 r (The) s 15 r (follo) s 0 r (wing) s 224 857 p (sequence) s 15 r (of) s 15 r (steps) s 16 r (sp) s 1 r (eci\014es) s 15 r (ho) s 0 r 119 c 14 r (to) s 15 r (initially) s 15 r (con\014gure) s 15 r 97 c 224 914 p (managed) s 15 r (agen) s 0 r 116 c 14 r (and) s 15 r (its) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (up) s 1 r (on) s 224 970 p (its) s 15 r (installation.) s 280 1129 p (1.) s 22 r (Determine) s 16 r (the) s 15 r (initial) s 15 r 118 c -2 r (alues) s 15 r (for) s 15 r (eac) s -1 r 104 c 15 r (of) s 15 r (the) s 15 r (comp) s 1 r (onen) s 0 r (ts) s 338 1186 p (of) s 15 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (to) s 15 r 98 c 2 r 101 c 15 r (con\014gured.) s 20 r (Some) s 15 r (of) s 15 r (these) s 338 1242 p 118 c -2 r (alues) s 14 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (computed) s 16 r 98 c -1 r 121 c 14 r (the) s 15 r (resp) s 2 r (onsible) s 15 r (managemen) s 0 r 116 c 338 1299 p (station,) s 15 r (some) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (sp) s 2 r (eci\014ed) s 15 r (in) s 15 r (the) s 15 r (MIB) s 15 r (do) s 2 r (cumen) s -1 r 116 c 338 1355 p (and) s 15 r (some) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (administrativ) s 0 r (ely) s 14 r (determined.) s 280 1460 p (2.) s 22 r (Con\014gure) s 16 r (the) s 15 r (parties) s 15 r (in) s 15 r (the) s 15 r (resp) s 1 r (onsible) s 16 r (managemen) s -1 r 116 c 338 1517 p (station,) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (set) s 16 r (of) s 15 r (initial) s 15 r 118 c -2 r (alues.) s 20 r (If) s 15 r (the) s 338 1573 p (managemen) s 0 r 116 c 14 r (station) s 15 r (is) s 15 r (computing) s 15 r (some) s 15 r (initial) s 15 r 118 c -1 r (alues) s 14 r (to) s 338 1630 p 98 c 1 r 101 c 15 r (en) s 0 r (tered) s 14 r (in) s 0 r (to) s 14 r (the) s 15 r (agen) s 0 r (t,) s 14 r (an) s 15 r (appropriate) s 15 r (medium) s 15 r 109 c 0 r (ust) s 338 1686 p 98 c 1 r 101 c 15 r (presen) s 0 r 116 c 14 r (to) s 15 r (record) s 15 r (the) s 16 r 118 c -2 r (alues.) s 280 1791 p (3.) s 22 r (Con\014gure) s 15 r (the) s 14 r (parties) s 14 r (in) s 15 r (the) s 14 r (managed) s 14 r (agen) s 0 r (t,) s 14 r (according) s 14 r (to) s 338 1847 p (the) s 15 r (set) s 15 r (of) s 15 r (initial) s 15 r 118 c -1 r (alues.) s 280 1952 p (4.) s 22 r (The) s 16 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r 109 c 0 r (ust) s 14 r (sync) s 0 r (hronize) s 338 2009 p (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r 118 c -2 r (alues) s 15 r (for) s 15 r (eac) s -1 r 104 c 15 r (part) s -1 r 121 c 15 r (it) s 15 r (shares) s 338 2065 p (with) s 15 r (eac) s 0 r 104 c 14 r (managed) s 15 r (agen) s 0 r (t.) s 19 r (The) s 15 r (follo) s 0 r (wing) s 14 r (sequence) s 15 r (of) s 338 2122 p (ev) s 0 r (en) s -2 r (ts) s 14 r (sp) s 2 r (eci\014es) s 15 r (ho) s 0 r 119 c 14 r (this) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (done.) s 357 2227 p (\(a\)) s 23 r (The) s 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r 109 c 0 r (ust) s 14 r (retriev) s 0 r 101 c 438 2283 p (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (for) s 15 r (eac) s 0 r 104 c 14 r (part) s 0 r 121 c 14 r (to) s 15 r 98 c 1 r 101 c 438 2340 p (recon\014gured.) s 20 r (This) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (an) s 16 r (unauthen) s -1 r (ticated) s 438 2396 p (request,) s 15 r (since) s 15 r (the) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (do) s 2 r (es) s 15 r (not) s 438 2452 p (kno) s 0 r 119 c 14 r (if) s 15 r (the) s 15 r (clo) s 1 r 99 c 0 r (ks) s 14 r (are) s 15 r (sync) s 0 r (hronized.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (27]) s @eop 26 @bop0 26 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s -1 r (tit) s -1 r 121 c -4 r 44 c 15 r (one) s 15 r (pair) s 15 r (of) s 15 r (whic) s 0 r 104 c 14 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 224 364 p (initially) s 15 r (con\014gure) s 15 r (all) s 16 r (other) s 15 r (SNMP) s 15 r (parties.) s 224 459 p (In) s 15 r (fact,) s 15 r (there) s 16 r (is) s 15 r 97 c 15 r (minimal,) s 15 r (useful) s 15 r (set) s 15 r (of) s 16 r (SNMP) s 15 r (parties) s 15 r (that) s 224 516 p (could) s 15 r 98 c 2 r 101 c 15 r (con\014gured) s 15 r 98 c 1 r (et) s 0 r 119 c -1 r (een) s 14 r (eac) s -1 r 104 c 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 224 572 p (station) s 15 r (and) s 15 r (managed) s 16 r (agen) s -1 r (t.) s 20 r (This) s 15 r (minimal) s 15 r (set) s 15 r (includes) s 15 r (one) s 15 r (of) s 224 629 p (eac) s 0 r 104 c 14 r (of) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (for) s 15 r 98 c 2 r (oth) s 15 r (the) s 15 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 224 685 p (station) s 15 r (and) s 15 r (the) s 16 r (managed) s 15 r (agen) s -1 r (t.) s cmsy10.329 @sf 292 816 p 15 c cmr10.329 @sf 23 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (iden) s 0 r (tit) s -1 r 121 c 14 r (with) s 15 r (its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 338 872 p (and) s cmbx10.329 @sf 15 r (part) s -1 r (yPrivProto) s 1 r (col) s cmr10.329 @sf 15 r (set) s 15 r (to) s cmbx10.329 @sf 15 r (noAuth) s cmr10.329 @sf 16 r (and) s cmbx10.329 @sf 15 r (noPriv) s cmr10.329 @sf 0 r 44 c 338 929 p (resp) s 1 r (ectiv) s 0 r (ely) s cmsy10.329 @sf 292 1022 p 15 c cmr10.329 @sf 23 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (iden) s 0 r (tit) s -1 r 121 c 14 r (with) s 15 r (its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 338 1078 p (set) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 16 r (Section) s 15 r (4.4.1) s 338 1134 p (and) s 15 r (its) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivProto) s 0 r (col) s cmr10.329 @sf 15 r (set) s 15 r (to) s cmbx10.329 @sf 16 r (noPriv) s cmsy10.329 @sf 292 1227 p 15 c cmr10.329 @sf 23 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (iden) s 0 r (tit) s -1 r 121 c 14 r (with) s 15 r (its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 338 1284 p (and) s cmbx10.329 @sf 15 r (part) s -1 r (yPrivProto) s 1 r (col) s cmr10.329 @sf 15 r (set) s 15 r (according) s 15 r (to) s 16 r (the) s 338 1340 p (mec) s 0 r (hanisms) s 14 r (de\014ned) s 15 r (in) s 15 r (Section) s 15 r (4.4.1) s 15 r (and) s 15 r (Section) s 16 r (4.4.2,) s 338 1397 p (resp) s 1 r (ectiv) s 0 r (ely) s 224 1527 p (The) s 15 r (last) s 15 r (of) s 16 r (these) s 15 r (SNMP) s 15 r (parties) s 15 r (in) s 15 r 98 c 1 r (oth) s 16 r (the) s 15 r (resp) s 1 r (onsible) s 224 1584 p (managemen) s 0 r 116 c 14 r (station) s 15 r (and) s 15 r (the) s 15 r (managed) s 16 r (agen) s -1 r 116 c 15 r (could) s 15 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 224 1640 p (con\014gure) s 15 r (all) s 15 r (other) s 16 r (SNMP) s 15 r (parties.) s 20 r (It) s 15 r (is) s 15 r (the) s 15 r (only) s 16 r (suitable) s 224 1697 p (iden) s 0 r (tit) s -1 r 121 c 14 r (for) s 15 r (this) s 15 r (purp) s 1 r (ose) s 15 r 98 c 2 r (ecause) s 15 r (it) s 15 r (is) s 15 r (the) s 15 r (only) s 16 r (iden) s -1 r (tit) s -1 r 121 c 14 r (that) s 224 1753 p (supp) s 1 r (orts) s 16 r (data) s 15 r (con\014den) s -1 r (tialit) s -1 r 121 c -4 r 44 c 15 r (whic) s -1 r 104 c 14 r (is) s 16 r (necessary) s 15 r (in) s 15 r (order) s 15 r (to) s 224 1810 p (protect) s 15 r (the) s 15 r (distributed) s 15 r (secrets) s 16 r (from) s 15 r (disclosure) s 15 r (to) s 15 r (unauthorized) s 224 1866 p (en) s 0 r (tities.) s 224 1962 p (Con\014guring) s 15 r (one) s 15 r (pair) s 16 r (of) s 15 r (SNMP) s 15 r (parties) s 15 r (to) s 15 r 98 c 1 r 101 c 16 r (used) s 15 r (to) s 15 r (con\014gure) s 224 2018 p (all) s 15 r (other) s 15 r (parties) s 16 r (has) s 15 r (the) s 15 r (adv) s -2 r (an) s -1 r (tage) s 14 r (of) s 15 r (only) s 16 r (exp) s 1 r (osing) s 15 r (one) s 15 r (pair) s 224 2075 p (of) s 15 r (secrets,) s 15 r (the) s 16 r (secrets) s 15 r (used) s 15 r (to) s 15 r (con\014gure) s 15 r (the) s 15 r (minimal,) s 16 r (useful) s 15 r (set) s 224 2131 p (iden) s 0 r (ti\014ed) s 14 r (ab) s 1 r 111 c 0 r 118 c -1 r (e.) s 19 r 84 c -3 r 111 c 14 r (limit) s 15 r (this) s 16 r (exp) s 1 r (osure,) s 15 r 97 c 15 r (managemen) s 0 r 116 c 224 2187 p (station) s 15 r (should) s 15 r 99 c 0 r (hange) s 14 r (these) s 15 r 118 c -1 r (alues) s 14 r (as) s 15 r (its) s 15 r (\014rst) s 16 r (op) s 1 r (eration) s 15 r (up) s 1 r (on) s 224 2244 p (completion) s 15 r (of) s 15 r (the) s 16 r (initial) s 15 r (con\014guration.) s 20 r (In) s 15 r (this) s 15 r 119 c 0 r 97 c -1 r 121 c -4 r 44 c 14 r (secrets) s 15 r (are) s 224 2300 p (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (the) s 15 r 112 c 2 r (eers) s 15 r (requiring) s 15 r (kno) s 0 r (wledge) s 14 r (of) s 15 r (them) s 15 r (in) s 15 r (order) s 224 2357 p (to) s 15 r (comm) s 0 r (unicate.) s 224 2452 p (The) s 15 r (Managemen) s 0 r 116 c 14 r (Information) s 15 r (Base) s 15 r (\(MIB\)) s 16 r (do) s 1 r (cumen) s 0 r 116 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (26]) s @eop 25 @bop0 cmbx12.300 @sf [<FFFFF0FFFFF0FFFFF0FFFFF003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC 0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC0003FC00FFFFF0FFFFF0FFFFF0FF FFF0> 24 34 0 0 20.870] 73 @dc [<FFF0FFF0FFF0FFF0FFF0FFF0FFF0FFF01FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC03F801FC0 3F801FC03F801FC03F801FC03F801FC03F801FC03F80FFFFFF80FFFFFF80FFFFFF80FFFFFF801FC000001FC000001FC00C00 1FC03F001FC07F801FC07F801FC07F801FE07F800FF07F8007FC3F8001FFFF00007FFF000007FC00> 32 35 -1 0 31.133] 12 @dc [<01FFC0000FFFF8003FFFFE007FC1FF007F007F00FE003F80FC001F80FC001F80FC003F80FE007F807FFFFF803FFFFF001FFF FF003FFFFE003FFFFC003FFFE0003E0000003C0000003DFE00003FFFC0001FFFE0003F87F0003F03F0007F03F8007F03F800 7F03F8007F03F8007F03FF003F03FF803F87FF801FFFF7800FFFFF8001FE7F0000001F00> 32 34 -1 11 28.019] 103 @dc 25 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (more) s 15 r (than) s 15 r (one) s 15 r (of) s 15 r (them) s 16 r (attempts) s 15 r (to) s 15 r (sync) s 0 r (hronize) s 14 r (the) s 338 364 p (clo) s 1 r 99 c 0 r (ks) s 14 r (or) s 15 r (up) s 1 r (date) s 16 r (the) s 15 r (secrets) s 15 r (at) s 15 r (an) s 0 r 121 c 14 r (one) s 15 r (time) s 15 r (is) s 15 r 97 c 15 r (lo) s 2 r (cal) s 338 420 p (implemen) s 0 r (tation) s 14 r (issue.) s 224 556 p (The) s 15 r (\014rst) s 15 r (section) s 16 r 98 c 1 r (elo) s 0 r 119 c 14 r (sp) s 1 r (eci\014es) s 15 r (the) s 15 r (pro) s 2 r (cedures) s 15 r 98 c -1 r 121 c 15 r (whic) s -1 r 104 c 15 r 97 c 224 613 p (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s -1 r (tit) s -1 r 121 c 14 r (is) s 15 r (initially) s 16 r (con\014gured.) s 20 r (The) s 15 r (next) s 15 r 116 c 0 r 119 c -1 r 111 c 224 669 p (sections) s 15 r (describ) s 2 r 101 c 15 r (one) s 15 r (strategy) s 15 r (for) s 15 r (main) s 0 r (taining) s 14 r (lo) s 1 r (osely) s 224 726 p (sync) s 0 r (hronized) s 14 r (clo) s 1 r 99 c 0 r (ks) s 14 r (and) s 15 r (distributing) s 15 r (secret) s 16 r 118 c -2 r (alues) s 14 r (among) s 224 782 p (SNMP) s 15 r (parties) s 15 r (that) s 16 r (supp) s 1 r (ort) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 224 839 p (Proto) s 1 r (col) s 16 r (and) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -2 r (acy) s 15 r (Proto) s 1 r (col.) s 20 r (The) s 15 r (last) s 224 895 p (section) s 15 r (sp) s 2 r (eci\014es) s 15 r (the) s 15 r (pro) s 1 r (cedures) s 15 r 98 c 0 r 121 c 14 r (whic) s 0 r 104 c 14 r 97 c 15 r (SNMP) s 15 r (proto) s 2 r (col) s 224 951 p (en) s 0 r (tit) s -1 r 121 c 14 r (reco) s 0 r 118 c -2 r (ers) s 14 r (from) s 16 r 97 c 15 r (\\crash".) s cmbx12.300 @sf 224 1117 p (8.1) s 56 r (Initial) s 19 r (Con\014guration) s cmr10.329 @sf 224 1243 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s 15 r (initial) s 15 r (con\014guration) s 15 r (of) s 15 r 97 c 16 r (SNMP) s 224 1300 p (proto) s 1 r (col) s 16 r (en) s -1 r (tit) s -1 r 121 c 14 r (that) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 224 1356 p (Proto) s 1 r (col) s 16 r (or) s 15 r 98 c 1 r (oth) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 2 r (col) s 15 r (and) s 15 r (the) s 224 1413 p (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col.) s 224 1509 p (When) s 15 r 97 c 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (device) s 15 r (is) s 15 r (\014rst) s 16 r (installed,) s 15 r (its) s 15 r (initial,) s 15 r (secure) s 224 1566 p (con\014guration) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 16 r (done) s 15 r (man) s -1 r (ually) s -3 r 44 c 14 r (i.e.,) s 15 r 97 c 15 r 112 c 1 r (erson) s 16 r 109 c -1 r (ust) s 224 1622 p (ph) s 0 r (ysically) s 14 r (visit) s 15 r (the) s 15 r (device) s 15 r (and) s 16 r (en) s -1 r (ter) s 15 r (the) s 15 r (initial) s 15 r (secret) s 15 r 118 c -2 r (alues) s 224 1679 p (for) s 15 r (at) s 15 r (least) s 16 r (its) s 15 r (\014rst) s 15 r (secure) s 15 r (SNMP) s 15 r (part) s 0 r (y.) s 19 r (This) s 15 r (suggests) s 15 r (the) s 224 1735 p 112 c 1 r (erson) s 16 r (will) s 15 r (ha) s -1 r 118 c -1 r 101 c 14 r (kno) s 0 r (wledge) s 14 r (of) s 15 r (the) s 16 r (initial) s 15 r (secret) s 15 r 118 c -2 r (alues.) s 224 1831 p (In) s 15 r (general,) s 15 r (ho) s 0 r 119 c -1 r (ev) s -1 r (er,) s 14 r (the) s 15 r (securit) s 0 r 121 c 14 r (of) s 15 r 97 c 15 r (system) s 15 r (is) s 15 r (enhanced) s 16 r (as) s 224 1888 p (the) s 15 r 110 c 0 r (um) s -1 r 98 c 0 r (er) s 15 r (of) s 15 r (en) s 0 r (tities) s 14 r (that) s 15 r (kno) s 0 r 119 c 14 r 97 c 15 r (secret) s 16 r (is) s 15 r (reduced.) s 224 1944 p (Requiring) s 15 r 97 c 15 r 112 c 2 r (erson) s 15 r (to) s 15 r (ph) s 0 r (ysically) s 14 r (visit) s 15 r 97 c 15 r (device) s 15 r (ev) s 0 r (ery) s 14 r (time) s 15 r 97 c 224 2001 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (is) s 15 r (con\014gured) s 15 r (not) s 16 r (only) s 15 r (exp) s 1 r (oses) s 15 r (the) s 15 r (secrets) s 224 2057 p (unnecessarily) s 15 r (but) s 15 r (is) s 16 r (administrativ) s -1 r (ely) s 14 r (prohibitiv) s 0 r (e.) s 19 r (In) s 224 2114 p (particular,) s 15 r (when) s 15 r (MD5) s 16 r (is) s 15 r (used) s 15 r (the) s 15 r (initial) s 15 r (authen) s 0 r (tication) s 14 r (secret) s 224 2170 p (is) s 15 r (128) s 15 r (bits) s 16 r (long) s 15 r (and) s 15 r (when) s 15 r (DES) s 15 r (is) s 15 r (used) s 16 r (an) s 15 r (additional) s 15 r (128) s 15 r (bits) s 224 2227 p (are) s 15 r (needed,) s 15 r (64) s 16 r (bits) s 15 r (eac) s -1 r 104 c 15 r (for) s 15 r (the) s 15 r 107 c 0 r (ey) s 14 r (and) s 15 r (initialization) s 15 r 118 c 0 r (ector.) s 224 2283 p (Clearly) s 15 r (these) s 15 r 118 c -1 r (alues) s 14 r (will) s 15 r (need) s 15 r (to) s 16 r 98 c 1 r 101 c 15 r (recorded) s 15 r (on) s 15 r 97 c 15 r (medium) s 16 r (in) s 224 2340 p (order) s 15 r (to) s 15 r 98 c 2 r 101 c 15 r (transp) s 1 r (orted) s 15 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 14 r 97 c 15 r (resp) s 2 r (onsible) s 15 r (managemen) s -1 r 116 c 224 2396 p (station) s 15 r (and) s 15 r 97 c 16 r (managed) s 15 r (agen) s -1 r (t.) s 20 r (The) s 15 r (recommended) s 15 r (pro) s 1 r (cedure) s 15 r (is) s 224 2452 p (to) s 15 r (initially) s 15 r (con\014gure) s 16 r 97 c 15 r (small) s 15 r (set) s 15 r (of) s 15 r (SNMP) s 15 r (parties) s 16 r (for) s 15 r (eac) s -1 r 104 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (25]) s @eop 24 @bop0 24 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p 98 c 1 r (et) s 0 r 119 c -1 r (een) s 14 r (the) s 15 r 118 c -2 r (alue) s 14 r (of) s 16 r (the) s 15 r (authen) s -1 r (tication) s 15 r (clo) s 1 r 99 c 0 r 107 c 14 r (and) s 15 r (its) s 338 364 p (new) s 15 r 118 c -2 r (alue) s 15 r (ma) s -1 r 121 c 14 r 98 c 2 r 101 c 15 r (repla) s 0 r 121 c -2 r (ed.) s 20 r (Changing) s 15 r (the) s 15 r (priv) s -2 r (ate) s 338 420 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (ob) s -1 r (viates) s 14 r (this) s 16 r (threat.) s 20 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 338 477 p 99 c 0 r (hanging) s 14 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (and) s 15 r (the) s 15 r (priv) s -1 r (ate) s 338 533 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (is) s 15 r (not) s 15 r (su\016cien) s 0 r 116 c 14 r (to) s 15 r (ensure) s 15 r (prop) s 1 r (er) s 338 589 p (op) s 1 r (eration.) s 20 r (If) s 15 r (the) s 16 r (last-timestamp) s 15 r (is) s 15 r (not) s 15 r (reduced) s 15 r (similarly) s 338 646 p (to) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k,) s 14 r (no) s 15 r (message) s 15 r (will) s 16 r 98 c 1 r 101 c 338 702 p (considered) s 13 r (authen) s 0 r (tic) s 13 r (un) s -1 r (til) s 13 r (the) s 13 r 118 c -1 r (alue) s 12 r (of) s 14 r (the) s 13 r (authen) s 0 r (tication) s 338 759 p (clo) s 1 r 99 c 0 r 107 c 14 r (exceeds) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 15 r (last-timestamp.) s cmsy10.329 @sf 292 853 p 15 c cmr10.329 @sf 23 r (The) s 15 r (priv) s -1 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (and) s 15 r (priv) s -2 r (ate) s 14 r (priv) s -1 r (acy) s 14 r 107 c 0 r (ey) s 338 909 p 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (the) s 15 r (parties) s 16 r (requiring) s 15 r (kno) s -1 r (wledge) s 338 966 p (of) s 15 r (them.) s 338 1041 p (Protecting) s 15 r (the) s 15 r (secrets) s 15 r (from) s 15 r (disclosure) s 16 r (is) s 15 r (critical) s 15 r (to) s 15 r (the) s 338 1098 p (securit) s 0 r 121 c 14 r (of) s 15 r (the) s 15 r (proto) s 1 r (cols.) s 20 r (In) s 16 r (particular,) s 15 r (if) s 15 r (the) s 15 r (secrets) s 15 r (are) s 338 1154 p (distributed) s 15 r (via) s 15 r 97 c 15 r (net) s 0 r 119 c -1 r (ork,) s 14 r (the) s 15 r (secrets) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (protected) s 338 1210 p (with) s 15 r 97 c 15 r (proto) s 1 r (col) s 16 r (that) s 15 r (supp) s 1 r (orts) s 15 r (con\014den) s 0 r (tialit) s -1 r 121 c -4 r 44 c 14 r (e.g.,) s 15 r (the) s 338 1267 p (Symmetric) s 15 r (Priv) s -2 r (acy) s 15 r (Proto) s 1 r (col.) s 20 r 70 c -3 r (urther,) s 14 r (kno) s 0 r (wledge) s 14 r (of) s 15 r (the) s 338 1323 p (secrets) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (as) s 15 r (restricted) s 16 r (as) s 15 r 112 c 1 r (ossible) s 15 r (within) s 15 r (an) s 338 1380 p (implemen) s 0 r (tation.) s 19 r (In) s 15 r (particular,) s 15 r (although) s 15 r (the) s 15 r (secrets) s 15 r (ma) s 0 r 121 c 338 1436 p 98 c 1 r 101 c 15 r (kno) s 0 r (wn) s 14 r (to) s 15 r (one) s 15 r (or) s 16 r (more) s 15 r 112 c 1 r (ersons) s 15 r (during) s 15 r (the) s 15 r (initial) s 338 1493 p (con\014guration) s 15 r (of) s 15 r 97 c 15 r (device,) s 15 r (the) s 16 r (secrets) s 15 r (should) s 15 r 98 c 1 r 101 c 338 1549 p (immediately) s 15 r 99 c 0 r (hanged) s 14 r (suc) s 0 r 104 c 14 r (that) s 15 r (their) s 15 r (actual) s 15 r 118 c -1 r (alue) s 14 r (is) s 338 1606 p (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (the) s 15 r (soft) s 0 r 119 c -1 r (are.) s 19 r 65 c 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (has) s 338 1662 p (the) s 15 r (additional) s 15 r (resp) s 1 r (onsibilit) s 0 r 121 c 14 r (of) s 15 r (reco) s 0 r 118 c -1 r (ering) s 14 r (the) s 15 r (state) s 15 r (of) s 15 r (all) s 338 1719 p (parties) s 15 r (whenev) s 0 r (er) s 14 r (it) s 15 r 98 c 1 r 111 c 2 r (ots.) s 20 r (This) s 15 r (ma) s 0 r 121 c 14 r (require) s 15 r (recording) s 338 1775 p (the) s 15 r (secrets) s 15 r (on) s 15 r 97 c 15 r (long-term) s 16 r (storage) s 15 r (device.) s 20 r (Access) s 15 r (to) s 338 1831 p (information) s 15 r (on) s 15 r (this) s 15 r (device) s 15 r 109 c 0 r (ust) s 14 r 98 c 2 r 101 c 15 r (as) s 15 r (restricted) s 15 r (as) s 15 r (is) s 338 1888 p (practically) s 15 r 112 c 1 r (ossible.) s cmsy10.329 @sf 292 1982 p 15 c cmr10.329 @sf 23 r (There) s 15 r 109 c 0 r (ust) s 13 r (exist) s 15 r (at) s 15 r (least) s 14 r (one) s 15 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c 14 r (that) s 338 2038 p (assumes) s 15 r (the) s 15 r (role) s 15 r (of) s 15 r 97 c 16 r (resp) s 1 r (onsible) s 15 r (managemen) s 0 r 116 c 14 r (station.) s 338 2114 p (This) s 14 r (managemen) s 0 r 116 c 13 r (station) s 15 r (is) s 14 r (resp) s 1 r (onsible) s 15 r (for) s 14 r (ensuring) s 15 r (that) s 338 2170 p (all) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (ks) s 14 r (are) s 15 r (sync) s 0 r (hronized) s 14 r (and) s 15 r (for) s 338 2227 p 99 c 0 r (hanging) s 14 r (the) s 15 r (secret) s 15 r 118 c -2 r (alues) s 15 r (when) s 15 r (necessary) s -3 r 46 c 19 r (Although) s 338 2283 p (more) s 15 r (than) s 15 r (one) s 15 r (managemen) s 0 r 116 c 14 r (station) s 15 r (ma) s 0 r 121 c 14 r (participate) s 15 r (in) s 338 2340 p (the) s 15 r (resp) s 1 r (onsibilit) s 0 r 121 c -4 r 44 c 14 r (their) s 15 r (co) s 2 r (ordination) s 15 r (is) s 15 r (essen) s 0 r (tial) s 14 r (to) s 15 r (the) s 338 2396 p (secure) s 15 r (managemen) s 0 r 116 c 14 r (of) s 15 r (the) s 15 r (net) s 0 r 119 c -1 r (ork.) s 19 r (The) s 15 r (mec) s 0 r (hanism) s 14 r 98 c 0 r 121 c 338 2452 p (whic) s 0 r 104 c 14 r 109 c -1 r (ultiple) s 15 r (managemen) s -1 r 116 c 14 r (stations) s 16 r (ensure) s 15 r (that) s 15 r (no) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (24]) s @eop 23 @bop0 cmbx10.432 @sf [<00FFE00007FFF8000FFFFE001FFFFF003FE0FF807F803F807F000FC0FE000FC0FE0007E0FC0007E0FC0007E0FC000FE0FC00 1FE0FE003FE0FE00FFE07F03FFE07F0FFFE03F9FFFC03FFFFFC01FFFFF8007FFFF8007FFFF000FFFFE001FFFFC001FFFFE00 3FFFFE003FFFFF003FFE7F803FF83F803FE01F803FC01F803F801F803F001F803F003F801F803F801FC07F000FE1FF000FFF FE0007FFFC0001FFF800007FC000> 32 41 -3 1 34.370] 56 @dc [<FFFF00FFFF00FFFF00FFFF000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0 000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000F F0000FF0000FF0000FF0000FF000FFF000FFF000FFF000FFF000> 24 42 -2 0 19.094] 108 @dc [<FFFE7FFEFFFE7FFEFFFE7FFEFFFE7FFE0FE03FE00FE07FE00FE07FC00FE0FF800FE1FF800FE1FF000FF3FE000FFFFE000FFF FC000FFFF8000FFFF8000FFFF0000FFFE0000FF7F0000FF3F8000FF1FC000FF0FE000FF07F000FF03F800FF07FFC0FF07FFC 0FF07FFC0FF07FFC0FF000000FF000000FF000000FF000000FF000000FF000000FF000000FF000000FF000000FF000000FF0 0000FFF00000FFF00000FFF00000FFF00000> 32 42 -2 0 36.280] 107 @dc [<FFFFFFFC0000FFFFFFFF8000FFFFFFFFE000FFFFFFFFF80003FF003FFC0003FF0007FE0003FF0003FF0003FF0001FF8003FF 0000FFC003FF00007FC003FF00007FE003FF00003FE003FF00003FF003FF00003FF003FF00003FF003FF00003FF803FF0000 3FF803FF00003FF803FF00003FF803FF00003FF803FF00003FF803FF00003FF803FF00003FF803FF00003FF803FF00003FF8 03FF00003FF003FF00003FF003FF00003FF003FF00003FF003FF00003FE003FF00007FE003FF00007FC003FF0000FFC003FF 0001FF8003FF0003FF0003FF0007FE0003FF003FFC00FFFFFFFFF800FFFFFFFFE000FFFFFFFF8000FFFFFFF80000> 48 41 -3 0 52.717] 68 @dc [<0F01FF00000F8FFFE0000FDFFFF0000FFFFFFC000FFF0FFC000FFC03FE000FF801FF000FF001FF000FF001FF000FF000FF80 0FF000FF800FF000FF800FF000FF800FF000FF800FF000FF800FF000FF800FF000FF800FF000FF800FF000FF800FF001FF00 0FF801FF000FFC03FE000FFF0FFE000FFFFFFC000FFFFFF8000FFFFFF0000FF1FF80000FF00000000FF00000000FF0000000 0FF00000000FF00000000FF00000000FF00000000FF00000000FF00000000FF00000000FF0000000FFF0000000FFF0000000 FFF0000000FFF0000000> 40 42 -2 0 38.189] 98 @dc 23 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (when) s 15 r (receiving) s 15 r 97 c 16 r (proto) s 1 r (col) s 15 r (message) s 15 r (is) s 15 r (de\014ned) s 15 r (generically) s 16 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 224 364 p (only) s 15 r (those) s 15 r (asp) s 2 r (ects) s 15 r (of) s 15 r (that) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (that) s 15 r (are) s 16 r (sp) s 1 r (eci\014c) s 15 r (to) s 15 r (the) s 224 420 p (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col) s 15 r (are) s 15 r (describ) s 2 r (ed) s 15 r 98 c 1 r (elo) s 0 r (w.) s 224 516 p (According) s 15 r (to) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmbx10.329 @sf 15 r (privData) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (of) s 15 r 97 c 15 r (receiv) s 0 r (ed) s cmbx10.329 @sf 224 572 p (SnmpPrivMsg) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (is) s 15 r (ev) s -1 r (aluated) s 14 r (during) s 15 r (Step) s 15 r 52 c 15 r (of) s 15 r (generic) s 224 629 p (pro) s 1 r (cessing.) s 20 r (In) s 15 r (particular,) s 14 r (it) s 15 r (states) s 14 r (the) s cmbx10.329 @sf 14 r (privData) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 13 r (is) s 224 685 p (ev) s -1 r (aluated) s 14 r (according) s 15 r (to) s 15 r (the) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivProto) s 0 r (col) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 224 741 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (receiving) s 15 r (the) s 15 r (message.) s 21 r (When) s 15 r (that) s 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (the) s 224 798 p (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col,) s 15 r (the) s 15 r (pro) s 2 r (cedures) s 15 r (executed) s 15 r 98 c 0 r 121 c 14 r 97 c 224 854 p (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s -1 r (tit) s -1 r 121 c 14 r (whenev) s 0 r (er) s 14 r 97 c 15 r (managemen) s 0 r 116 c 224 911 p (comm) s 0 r (unication) s 14 r (is) s 15 r (receiv) s 0 r (ed) s 14 r 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (as) s 15 r (follo) s 0 r (ws.) s 280 1037 p (1.) s 22 r (The) s 16 r (lo) s 1 r (cal) s 15 r (database) s 15 r (is) s 15 r (consulted) s 15 r (to) s 16 r (determine) s 15 r (the) s 15 r (priv) s -2 r (ate) s 338 1093 p (priv) s -2 r (acy) s 14 r 107 c 0 r (ey) s 14 r (of) s 15 r (the) s 16 r (SNMP) s 15 r (part) s -1 r 121 c 15 r (receiving) s 15 r (the) s 15 r (message,) s 338 1150 p (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -2 r (tions) s 15 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 338 1206 p (in) s 15 r (Section) s 15 r (4.4.2.) s 280 1297 p (2.) s 22 r (The) s 16 r (con) s -1 r (ten) s -1 r (ts) s 14 r 111 c 1 r (ctets) s 16 r (of) s 15 r (the) s cmbx10.329 @sf 15 r (privData) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (are) s 338 1354 p (decrypted) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 338 1410 p (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 15 r (Section) s 15 r (4.4.2,) s 15 r (using) s 15 r (the) s 16 r (extracted) s 338 1466 p (priv) s -2 r (ate) s 14 r (priv) s -1 r (acy) s 14 r 107 c 0 r (ey) s -4 r 46 c 224 1592 p (Pro) s 1 r (cessing) s 14 r (of) s 14 r (the) s 14 r (receiv) s 0 r (ed) s 13 r (message) s 14 r (con) s -1 r (tin) s -1 r (ues) s 13 r (as) s 14 r (sp) s 1 r (eci\014ed) s 14 r (in) s 14 r 91 c 0 r 50 c 0 r (].) s cmbx10.432 @sf 224 1773 p 56 c 69 r (Clo) s 2 r 99 c -1 r 107 c 22 r (and) s 23 r (Secret) s 23 r (Distribution) s cmr10.329 @sf 224 1914 p (The) s 15 r (proto) s 2 r (cols) s 15 r (describ) s 1 r (ed) s 15 r (in) s 15 r (Sections) s 15 r 54 c 16 r (and) s 15 r 55 c 15 r (assume) s 15 r (the) s 224 1970 p (existence) s 15 r (of) s 15 r (lo) s 2 r (osely) s 15 r (sync) s 0 r (hronized) s 14 r (clo) s 1 r 99 c 0 r (ks) s 14 r (and) s 15 r (secret) s 15 r 118 c -1 r (alues.) s 224 2027 p (Although) s 15 r 97 c 15 r 118 c -1 r (ariet) s -1 r 121 c 14 r (of) s 15 r (strategies) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (emplo) s 0 r 121 c -1 r (ed,) s 14 r (there) s 15 r (are) s 224 2083 p (three) s 15 r (requiremen) s 0 r (ts) s 14 r (that) s 15 r (apply) s 15 r (to) s 16 r (an) s -1 r 121 c 15 r (strategy) s 15 r (emplo) s -1 r 121 c -1 r (ed.) s cmsy10.329 @sf 292 2209 p 15 c cmr10.329 @sf 23 r (If) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (an) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (decreased,) s 16 r (the) s 338 2266 p (last-timestamp) s 15 r (and) s 15 r (priv) s -1 r (ate) s 14 r (authen) s -1 r (tication) s 15 r 107 c -1 r (ey) s 14 r 109 c 0 r (ust) s 14 r 98 c 2 r 101 c 338 2322 p 99 c 0 r (hanged) s 14 r (concurren) s -1 r (tly) s -3 r 46 c 338 2396 p (When) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (an) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (decreased,) s 338 2452 p (messages) s 15 r (that) s 15 r (ha) s 0 r 118 c -1 r 101 c 14 r 98 c 1 r (een) s 15 r (sen) s 0 r 116 c 14 r (with) s 15 r 97 c 15 r (timestamp) s 15 r 118 c -1 r (alue) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (23]) s @eop 22 @bop0 cmbx12.300 @sf [<01F00003F80003F80003F80003F80003F80003F80003F80003F80001F80001F80001F80001F80000FC0000FC0000FC00007C 00007E00003E00001E00001F00F00F80F007C0F003C0F003E0F801F0FFFFF87FFFFC7FFFFE7FFFFE7FFFFE7FFFFE7FFFFE7E 0000780000> 24 35 -3 1 28.019] 55 @dc [<FFFC0F81FFFF00FFFC0F81FFFF00FFFC0F81FFFF00FFFC1FC1FFFF0007801FC00FE00007803FE00FE00007803FE00FE00007 803FE00FE00007807FF00FE00007807FF00FE0000780FE780FE0000780FE780FE0000780FE780FE0000781FC3C0FE0000781 FC3C0FE0000783F81E0FE0000783F81E0FE0000783F81E0FE0000787F00F0FE0000787F00F0FE000078FE0078FE000078FE0 078FE000078FE0078FE000079FC003CFE000079FC003CFE00007BF8001EFE00007BF8001EFE00007BF8001EFE00007FF0000 FFE00007FF0000FFE000FFFE00007FFF00FFFE00007FFF00FFFE00007FFF00FFFC00003FFF00> 56 34 -2 0 53.156] 77 @dc 22 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (According) s 15 r (to) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmbx10.329 @sf 15 r (SnmpPrivMsg) s cmr10.329 @sf 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (constructed) s 224 364 p (during) s 15 r (Step) s 15 r 53 c 16 r (of) s 15 r (generic) s 15 r (pro) s 1 r (cessing.) s 20 r (In) s 16 r (particular,) s 15 r (it) s 15 r (states) s 15 r (the) s cmbx10.329 @sf 224 420 p (privdata) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 14 r (is) s 16 r (constructed) s 15 r (according) s 15 r (to) s 15 r (the) s cmbx10.329 @sf 224 477 p (part) s 0 r (yPrivProto) s 0 r (col) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (receiving) s 15 r (the) s 224 533 p (message.) s 20 r (When) s 16 r (that) s 15 r 118 c -2 r (alue) s 14 r (is) s 15 r (the) s 16 r (Symmetric) s 15 r (Priv) s -2 r (acy) s 14 r (Proto) s 2 r (col,) s 224 589 p (the) s 15 r (pro) s 2 r (cedures) s 15 r (executed) s 15 r 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 14 r (whenev) s 0 r (er) s 224 646 p 97 c 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (is) s 15 r (to) s 15 r 98 c 2 r 101 c 15 r (transmitted) s 15 r 98 c 0 r 121 c 14 r 97 c 224 702 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (as) s 15 r (follo) s 0 r (ws.) s 280 839 p (1.) s 22 r (If) s 14 r (the) s cmbx10.329 @sf 14 r (SnmpAuthMsg) s cmr10.329 @sf 13 r (is) s 14 r (not) s 14 r (authen) s 0 r (ticated) s 12 r (according) s 14 r (to) s 338 896 p (the) s 15 r (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 16 r (Digest) s 15 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col,) s 338 952 p (the) s 15 r (generation) s 15 r (of) s 15 r (the) s cmbx10.329 @sf 15 r (SnmpPrivMsg) s cmr10.329 @sf 16 r (fails) s 15 r (according) s 15 r (to) s 338 1009 p 97 c 15 r (lo) s 1 r (cal) s 15 r (pro) s 2 r (cedure,) s 15 r (without) s 15 r (further) s 15 r (pro) s 1 r (cessing.) s 280 1107 p (2.) s 22 r (The) s 16 r (lo) s 1 r (cal) s 15 r (database) s 15 r (is) s 15 r (consulted) s 15 r (to) s 16 r (determine) s 15 r (the) s 15 r (priv) s -2 r (ate) s 338 1163 p (priv) s -2 r (acy) s 14 r 107 c 0 r (ey) s 14 r (of) s 15 r (the) s 16 r (SNMP) s 15 r (part) s -1 r 121 c 15 r (receiving) s 15 r (the) s 15 r (message,) s 338 1220 p (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -2 r (tions) s 15 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 338 1276 p (in) s 15 r (Section) s 15 r (4.4.2.) s 280 1374 p (3.) s 22 r (The) s cmbx10.329 @sf 16 r (SnmpAuthMsg) s cmr10.329 @sf 15 r (is) s 15 r (serialized) s 15 r (according) s 15 r (to) s 15 r (the) s 338 1431 p (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r 91 c 0 r (12) s 0 r 93 c 15 r (and) s 16 r 91 c 0 r 49 c 0 r (].) s 280 1528 p (4.) s 22 r (The) s 16 r 111 c 1 r (ctet) s 15 r (sequence) s 15 r (represen) s 0 r (ting) s 14 r (the) s 15 r (serialized) s 15 r 118 c -1 r (alue) s 14 r (of) s cmbx10.329 @sf 338 1585 p (SnmpAuthMsg) s cmr10.329 @sf 15 r (is) s 15 r (encrypted) s 15 r (according) s 15 r (to) s 16 r (the) s 338 1641 p (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 16 r (Section) s 15 r (4.4.2,) s 338 1698 p (using) s 15 r (the) s 15 r (extracted) s 15 r (priv) s -1 r (ate) s 14 r (priv) s -2 r (acy) s 14 r 107 c 0 r (ey) s -4 r 46 c 280 1796 p (5.) s 22 r (The) s cmbx10.329 @sf 16 r (privData) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (set) s 15 r (to) s 15 r (the) s 15 r (encrypted) s 16 r 118 c -2 r (alue.) s 224 1933 p (As) s 15 r (set) s 15 r (forth) s 15 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 15 r (the) s cmbx10.329 @sf 14 r (SnmpPrivMsg) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (is) s 14 r (then) s 15 r (serialized) s 224 1989 p (and) s 15 r (transmitted) s 15 r (to) s 16 r (the) s 15 r (receiving) s 15 r (SNMP) s 15 r (part) s 0 r 121 c -4 r 46 c cmbx12.300 @sf 224 2156 p (7.2) s 56 r (Receiving) s 19 r 97 c 19 r (Message) s cmr10.329 @sf 224 2283 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 2340 p (when) s 15 r (it) s 15 r (acts) s 16 r (as) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (for) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (priv) s -1 r (acy) s 14 r (proto) s 1 r (col) s 224 2396 p (is) s 15 r (administrativ) s 0 r (ely) s 14 r (sp) s 1 r (eci\014ed) s 16 r (as) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 224 2452 p (Proto) s 1 r (col.) s 21 r (Insofar) s 15 r (as) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 16 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (22]) s @eop 21 @bop0 cmbx10.329 @sf [<3E007F00FF80FF80FF80FF80FF807F003E00000000003E007F00FF80FF80FF80FF80FF807F003E00> 16 20 -3 0 14.520] 58 @dc [<FFFFFFFFC0FFFFFFFFC0FFFFFFFFC00000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000FFFFFFFFC0FFFFFFFFC0FFFFFFFFC0> 40 15 -3 -4 40.655] 61 @dc [<FF00FF00FF00E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000 E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000FF00FF00FF00> 16 45 -5 11 14.520] 91 @dc [<FF00FF00FF000700070007000700070007000700070007000700070007000700070007000700070007000700070007000700 07000700070007000700070007000700070007000700070007000700070007000700FF00FF00FF00> 16 45 -1 11 14.520] 93 @dc [<FFFFFF80FFFFFF80FFFFFF80FFFFFF8007F87F8007F81F8007F80F8007F807C007F807C007F807C007F803C007F803C007F8 03C007F803C007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F8000007F80000 07F8000007F80000FFFFE000FFFFE000FFFFE000FFFFE000> 32 31 -2 0 31.438] 76 @dc [<000001F800000003FC00000007FE00000007FE00000007FF0000000FFF0000000FFF0000000FFF00000FFFFF00007FFFC300 01FFFF800007FE3FE0000FFC3FF0001FFE7FF8001FDFFBF8003FCFF3FC003FC7E3FC007F8001FE007F8001FE007F8001FE00 FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF00FF8001FF007F8001FE00 7F8001FE007F8001FE003FC003FC003FC003FC001FE007F8000FE007F0000FF00FF00007FC3FE00001FFFF8000007FFE0000 000FF00000> 40 41 -3 9 39.266] 81 @dc [<0007FE0000003FFF8000007FFFE00000FFFFF00001FF07F00003FE01F80003FC00F80007F8007C0007F8007C0007F8003C00 07F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C00 07F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C0007F8003C00FFFFC7FFE0FFFFC7FFE0 FFFFC7FFE0FFFFC7FFE0> 40 32 -2 1 40.213] 85 @dc cmsy10.329 @sf [<001FC0007FC000FFC001FC0001F80001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F0 0001F00003F00007E0001FC000FF8000FE0000FF80001FC00007E00003F00001F00001F00001F00001F00001F00001F00001 F00001F00001F00001F00001F00001F00001F00001F80001FC0000FFC0007FC0001FC0> 24 45 -2 11 22.727] 102 @dc cmbx10.329 @sf [<FFFFFF00FFFFFFE0FFFFFFF0FFFFFFF807F007FC07F007FC07F003FE07F003FE07F003FE07F003FE07F003FE07F003FE07F0 03FC07F007F807F00FF007FFFFE007FFFFC007FFFFE007F00FF007F007F807F007FC07F007FC07F003FC07F007FC07F007FC 07F007F807F00FF8FFFFFFF0FFFFFFE0FFFFFFC0FFFFFE00> 32 31 -2 0 37.183] 66 @dc [<0FFC003FFF007FFF80FF7FC0FF3FE0FF1FE0FF1FE0FF1FE0FF1FE07E1FE0001FE0001FE0001FE0001FE0001FE0001FE0001F E0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE0001FE007FFFE07FFFE07FFFE07FFFE> 24 32 0 1 27.019] 74 @dc [<FFFFE000FFFFE000FFFFE000FFFFE00007F8000007F8000007F8000007F8000007F8000007F8F00007F8F00007F8F00007F8 F00007F9F00007FFF00007FFF00007FFF00007FFF00007F9F0F007F8F0F007F8F0F007F8F0F007F8F1F007F801F007F801E0 07F803E007F80FE0FFFFFFE0FFFFFFE0FFFFFFE0FFFFFFE0> 32 31 -2 0 32.890] 70 @dc [<18003C003E001F000F000780038003C003C03FC07FC0FFC0FFC0FFC0FFC0FF807F003E00> 16 18 -3 9 14.520] 44 @dc cmsy10.329 @sf [<FE0000FFC000FFE00007F00003F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F00001F0 0001F00001F80000FC00007E00003FC0000FC0003FC0007E0000FC0001F80001F00001F00001F00001F00001F00001F00001 F00001F00001F00001F00001F00001F00001F00003F00007F000FFE000FFC000FE0000> 24 45 -2 11 22.727] 103 @dc cmti10.329 @sf [<03F0000FF8001FFC001F9E001F0E001F0F001F07001F07801F03801F03801F83800F83C00F81C00FC1C0F7C1C077C1E077E3 E07BE3E03BE7E03FC7E01FC7E00F83C0> 24 22 -3 1 20.908] 118 @dc cmbx12.300 @sf [<0003FF0000001FFFE0C000FFFFF7C001FFFFFFC003FF80FFC00FFC007FC00FF8003FC01FF0003FC03FE0003FC03FC0003FC0 7FC0003FC07FC01FFFFC7F801FFFFCFF801FFFFCFF801FFFFCFF80000000FF80000000FF80000000FF80000000FF80000000 FF80000000FF80000000FF800003C07F800003C07FC00007C07FC00007C03FC00007C03FE0000FC01FF0001FC00FF8001FC0 0FFC007FC003FF81FFC001FFFFFFC000FFFFF7C0001FFFC3C00003FF01C0> 40 36 -3 1 44.047] 71 @dc 21 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 299 307 p (SnmpPrivMsg) s 18 r (::=) s 17 r ([1]) s 17 r (IMPLICIT) s 18 r (SEQUENCE) s cmsy10.329 @sf 17 r 102 c cmbx10.329 @sf 374 364 p (privDst) s 449 420 p (OBJECT) s 18 r (IDENTIFIER,) s 374 477 p (privData) s 449 533 p ([1]) s 18 r (IMPLICIT) s 17 r (OCTET) s 17 r (STRING) s cmsy10.329 @sf 299 589 p 103 c cmr10.329 @sf 224 781 p 70 c -3 r (or) s 15 r (eac) s -1 r 104 c cmbx10.329 @sf 14 r (SnmpPrivMsg) s cmr10.329 @sf 16 r 118 c -2 r (alue) s 14 r (that) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (SNMP) s 224 837 p (priv) s -1 r (ate) s 14 r (managemen) s 0 r 116 c 14 r (comm) s -1 r (unication,) s 15 r (the) s 15 r (follo) s -1 r (wing) s 15 r (statemen) s -1 r (ts) s 224 894 p (are) s 15 r (true:) s cmsy10.329 @sf 292 1029 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (privDst) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (private) s 16 r (destination) s cmr10.329 @sf 338 1085 p (and) s 15 r (iden) s 0 r (ti\014es) s 14 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (to) s 15 r (whic) s 0 r 104 c 14 r (the) s 338 1142 p (comm) s 0 r (unication) s 14 r (is) s 15 r (directed.) s cmsy10.329 @sf 292 1237 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (privData) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (private) s 16 r (data) s cmr10.329 @sf 15 r (and) s 338 1294 p (represen) s 0 r (ts) s 14 r (the) s 15 r (\(p) s 1 r (ossibly) s 15 r (encrypted\)) s 15 r (serialization) s 338 1350 p (\(according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -2 r (tions) s 15 r (of) s 15 r 91 c 0 r (12) s 0 r 93 c 15 r (and) s 15 r 91 c 0 r 49 c 0 r (]\)) s 15 r (of) s 15 r 97 c 16 r (SNMP) s 338 1407 p (authen) s 0 r (ticated) s 13 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (\(according) s 15 r (to) s 338 1463 p (the) s 15 r (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 16 r (Digest) s 15 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col\).) s 224 1598 p (The) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col) s 15 r (is) s 16 r (iden) s -1 r (ti\014ed) s 15 r 98 c -1 r 121 c 14 r (the) s 16 r (ASN.1) s 224 1655 p (ob) s 3 r (ject) s 15 r (iden) s 0 r (ti\014er) s 14 r (listed) s 15 r (in) s 15 r (Section) s 15 r (4.4.2.) s cmbx12.300 @sf 224 1818 p (7.1) s 56 r (Generating) s 19 r 97 c 19 r (Message) s cmr10.329 @sf 224 1944 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 2001 p (when) s 15 r (it) s 15 r (acts) s 16 r (as) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (for) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (priv) s -1 r (acy) s 14 r (proto) s 1 r (col) s 224 2057 p (is) s 15 r (administrativ) s 0 r (ely) s 14 r (sp) s 1 r (eci\014ed) s 16 r (as) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 224 2114 p (Proto) s 1 r (col.) s 21 r (Insofar) s 15 r (as) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 16 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 2170 p (when) s 15 r (transmitting) s 15 r 97 c 16 r (proto) s 1 r (col) s 15 r (message) s 15 r (is) s 15 r (de\014ned) s 15 r (generically) s 224 2227 p (in) s 15 r 91 c 0 r 50 c 0 r (],) s 15 r (only) s 16 r (those) s 15 r (asp) s 1 r (ects) s 15 r (of) s 15 r (that) s 15 r 98 c 2 r (eha) s -1 r (vior) s 15 r (that) s 15 r (are) s 15 r (sp) s 1 r (eci\014c) s 15 r (to) s 224 2283 p (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col) s 15 r (are) s 16 r (describ) s 1 r (ed) s 15 r 98 c 1 r (elo) s 0 r (w.) s 19 r (In) s 224 2340 p (particular,) s 15 r (this) s 15 r (section) s 16 r (describ) s 1 r (es) s 15 r (the) s 15 r (encapsulation) s 15 r (of) s 15 r 97 c 16 r (SNMP) s 224 2396 p (authen) s 0 r (ticated) s 14 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (in) s 0 r (to) s 14 r 97 c 15 r (SNMP) s 224 2452 p (priv) s -1 r (ate) s 14 r (managemen) s 0 r 116 c 14 r (comm) s -1 r (unication.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (21]) s @eop 20 @bop0 cmbx10.432 @sf [<007C000000FE000001FF000001FF000001FF000001FF000001FF000001FF000001FF000001FF000001FF000001FF000000FF 000000FF000000FF000000FF0000007F8000007F8000007F8000003F8000003F8000001FC000001FC000000FC000000FE000 F007E000F003F000F003F800F801FC007800FE0078007E007FFFFF007FFFFF807FFFFFC07FFFFFE07FFFFFF03FFFFFF03FFF FFF03FFFFFF03FFFFFF03F0000003C000000> 32 42 -4 1 34.370] 55 @dc [<FFFF1FFFC7FFF0FFFF1FFFC7FFF0FFFF1FFFC7FFF0FFFF1FFFC7FFF00FF003FC00FF000FF003FC00FF000FF003FC00FF000F F003FC00FF000FF003FC00FF000FF003FC00FF000FF003FC00FF000FF003FC00FF000FF003FC00FF000FF003FC00FF000FF0 03FC00FF000FF003FC00FF000FF003FC00FF000FF003FC00FF000FF803FE00FF000FF803FE00FF000FFC03FF00FF000FFE07 FF81FF000FFF8FFFE3FF00FFEFFFFBFFFE00FFE7FFF9FFFE00FFE3FFF0FFFC00FFE07FC01FF000> 56 27 -3 0 57.283] 109 @dc [<FFFFFC0000FFFFFC0000FFFFFC0000FFFFFC000003FF00000003FF00000003FF00000003FF00000003FF00000003FF000000 03FF00000003FF00000003FF00000003FF00000003FF00000003FF00000003FF00000003FFFFF00003FFFFFF0003FFFFFFC0 03FFFFFFE003FF007FF003FF001FF803FF001FFC03FF000FFC03FF000FFC03FF000FFE03FF000FFE03FF000FFE03FF000FFE 03FF000FFE03FF000FFE03FF000FFC03FF000FFC03FF001FFC03FF001FF803FF007FF0FFFFFFFFE0FFFFFFFFC0FFFFFFFF00 FFFFFFF000> 40 41 -3 0 46.989] 80 @dc [<0003E000000003E000000007F000000007F00000000FF80000000FF80000000FF80000001FFC0000001FFC0000003FFE0000 003FDE0000003FDE0000007F8F0000007F8F000000FF8F800000FF07800001FF07C00001FE03C00001FE03C00003FE03E000 03FC01E00007FC01F00007F800F000FFFF07FF80FFFF07FF80FFFF07FF80FFFF07FF80> 40 27 -1 0 36.280] 118 @dc 20 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 338 307 p (SnmpAuthMsg) s cmr10.329 @sf 15 r (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 338 364 p (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 15 r (Section) s 15 r (4.4.1.) s 280 468 p (8.) s 22 r (If) s 16 r (the) s 15 r (computed) s 15 r (digest) s 15 r 118 c -1 r (alue) s 14 r (is) s 15 r (not) s 15 r (equal) s 15 r (to) s 15 r (the) s 338 524 p (previously) s 15 r (recorded) s 15 r (digest) s 15 r 118 c -1 r (alue,) s 14 r (the) s 15 r (message) s 15 r (is) s 338 581 p (ev) s -2 r (aluated) s 14 r (as) s 16 r (unauthen) s -1 r (tic.) s 280 685 p (9.) s 22 r (The) s 16 r (message) s 15 r (is) s 15 r (ev) s -2 r (aluated) s 15 r (as) s 15 r (authen) s -1 r (tic.) s 20 r (In) s 15 r (the) s 15 r (lo) s 1 r (cal) s 338 741 p (database) s 15 r (the) s 15 r (originating) s 15 r (SNMP) s 15 r (part) s 0 r (y's:) s cmsy10.329 @sf 392 845 p 15 c cmr10.329 @sf 23 r (last-timestamp) s 15 r (and) s 15 r (nonce) s 16 r 118 c -2 r (alues) s 14 r (are) s 15 r (set) s 15 r (to) s 16 r (the) s cmbx10.329 @sf 438 902 p (authTimestamp) s cmr10.329 @sf 15 r 118 c -2 r (alue) s 15 r (and) s 15 r (the) s cmbx10.329 @sf 15 r (authNonce) s cmr10.329 @sf 438 958 p 118 c -2 r (alue,) s 14 r (resp) s 2 r (ectiv) s -1 r (ely) s -3 r 44 c 14 r (and) s cmsy10.329 @sf 392 1036 p 15 c cmr10.329 @sf 23 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r (is) s 15 r (set) s 15 r (to) s 16 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 438 1093 p 118 c -2 r (alue) s 14 r (if) s 16 r (its) s 15 r 118 c -2 r (alue) s 14 r (is) s 15 r (less) s 16 r (than) s 15 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 438 1149 p 118 c -2 r (alue.) s 224 1292 p (If) s 15 r (the) s cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 16 r 118 c -2 r (alue) s 14 r (is) s 15 r (ev) s -1 r (aluated) s 14 r (as) s 15 r (unauthen) s 0 r (tic,) s 14 r (an) s 224 1349 p (authen) s 0 r (tication) s 14 r (failure) s 15 r (is) s 15 r (noted) s 15 r (and) s 16 r (the) s 15 r (receiv) s 0 r (ed) s 14 r (message) s 15 r (is) s 224 1405 p (discarded) s 15 r (without) s 15 r (further) s 16 r (pro) s 1 r (cessing.) s 20 r (Otherwise,) s 15 r (pro) s 1 r (cessing) s 16 r (of) s 224 1462 p (the) s 15 r (receiv) s 0 r (ed) s 14 r (message) s 15 r (con) s 0 r (tin) s -1 r (ues) s 14 r (as) s 15 r (sp) s 1 r (eci\014ed) s 16 r (in) s 15 r 91 c 0 r 50 c 0 r (].) s cmbx10.432 @sf 224 1659 p 55 c 69 r (Symmetric) s 23 r (Priv) s -3 r (acy) s 22 r (Proto) s 2 r (col) s cmr10.329 @sf 224 1804 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s cmti10.329 @sf 15 r (Symmetric) s 16 r (Privacy) s 17 r (Pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.329 @sf 0 r 46 c 19 r (It) s 224 1861 p (pro) s 0 r (vides) s 14 r (for) s 15 r (protection) s 15 r (from) s 15 r (disclosure) s 16 r (of) s 15 r 97 c 15 r (receiv) s 0 r (ed) s 14 r (message.) s 224 1917 p (An) s 15 r (appropriate) s 15 r 112 c 2 r (ortion) s 15 r (of) s 15 r (the) s 15 r (message) s 15 r (is) s 15 r (encrypted) s 16 r (according) s 224 1974 p (to) s 15 r 97 c 15 r (secret) s 16 r 107 c -1 r (ey) s 14 r (kno) s 0 r (wn) s 14 r (only) s 16 r (to) s 15 r (the) s 15 r (originator) s 15 r (and) s 15 r (recipien) s 0 r 116 c 14 r (of) s 224 2030 p (the) s 15 r (message.) s 224 2128 p (This) s 15 r (proto) s 2 r (col) s 15 r (assumes) s 15 r (the) s 15 r (underlying) s 15 r (mec) s 0 r (hanism) s 14 r (is) s 15 r 97 c 224 2185 p (symmetric) s 15 r (encryption) s 15 r (algorithm.) s 21 r (In) s 15 r (addition,) s 15 r (the) s 15 r (message) s 15 r (to) s 224 2241 p 98 c 1 r 101 c 16 r (encrypted) s 15 r 109 c -1 r (ust) s 15 r 98 c 1 r 101 c 15 r (protected) s 15 r (according) s 15 r (to) s 15 r (the) s 16 r (con) s -1 r 118 c -1 r (en) s -1 r (tions) s 224 2298 p (of) s 15 r (the) s 15 r (Digest) s 16 r (Authen) s -1 r (tication) s 14 r (Proto) s 2 r (col.) s 224 2396 p (Recall) s 15 r (from) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c 15 r (SNMP) s 15 r (priv) s -2 r (ate) s 15 r (managemen) s -1 r 116 c 14 r (comm) s 0 r (unication) s 224 2452 p (is) s 15 r (represen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r (an) s 15 r (ASN.1) s 15 r 118 c -1 r (alue) s 14 r (with) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (syn) s 0 r (tax.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (20]) s @eop 19 @bop0 cmbx10.329 @sf [<7FFE007FFE007FFE007FFE000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE0000FE000FFFC 00FFFC00FFFC00FFFC000FE0000FE0000FE0000FE0000FE3E00FE7F00FE7F007F7F007F9F003FFF000FFE0001FC0> 24 32 -1 0 15.972] 102 @dc 19 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (proto) s 1 r (col) s 16 r (en) s -1 r (tit) s -1 r 121 c 14 r (whenev) s 0 r (er) s 14 r 97 c 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (is) s 224 364 p (receiv) s 0 r (ed) s 14 r 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (as) s 15 r (follo) s 0 r (ws.) s 280 491 p (1.) s 22 r (If) s 16 r (the) s 15 r (con) s -1 r (ten) s -1 r (ts) s 14 r 111 c 2 r (ctets) s 15 r (of) s 15 r (the) s cmbx10.329 @sf 15 r (authInfo) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r 118 c -1 r (alue) s 338 548 p (is) s 15 r (not) s 15 r (an) s cmbx10.329 @sf 15 r (AuthInformation) s cmr10.329 @sf 15 r 118 c -1 r (alue,) s 14 r (the) s 15 r (message) s 15 r (is) s 338 604 p (ev) s -2 r (aluated) s 14 r (as) s 16 r (unauthen) s -1 r (tic.) s 20 r (Otherwise,) s 15 r (the) s cmbx10.329 @sf 338 661 p (authTimestamp) s cmr10.329 @sf 0 r 44 c cmbx10.329 @sf 15 r (authNonce) s cmr10.329 @sf 0 r 44 c 15 r (and) s cmbx10.329 @sf 15 r (authDigest) s cmr10.329 @sf 338 717 p (comp) s 1 r (onen) s 0 r (ts) s 14 r (are) s 15 r (extracted) s 15 r (from) s 15 r (the) s cmbx10.329 @sf 16 r (SnmpAuthMsg) s cmr10.329 @sf 338 773 p 118 c -2 r (alue.) s 280 865 p (2.) s 22 r (The) s 16 r (lo) s 1 r (cal) s 15 r (database) s 15 r (is) s 15 r (consulted) s 15 r (to) s 16 r (determine) s 15 r (the) s 338 922 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k,) s 14 r (last-timestamp,) s 15 r (nonce,) s 15 r (priv) s -1 r (ate) s 338 978 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (\(extracted) s 15 r (according) s 15 r (to) s 15 r (the) s 338 1034 p (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 16 r (Section) s 15 r (4.4.1\)) s 338 1091 p (and) s 15 r (lifetime) s 15 r (of) s 15 r (the) s 15 r (SNMP) s 16 r (part) s -1 r 121 c 14 r (that) s 16 r (originated) s 15 r (the) s 338 1147 p (message.) s 280 1239 p (3.) s 22 r (If) s 16 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (plus) s 15 r (the) s 15 r (lifetime) s 15 r (is) s 338 1295 p (less) s 15 r (than) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k,) s 14 r (the) s 15 r (message) s 16 r (is) s 338 1352 p (ev) s -2 r (aluated) s 14 r (as) s 16 r (unauthen) s -1 r (tic.) s 280 1444 p (4.) s 22 r (If) s 16 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (less) s 15 r (than) s 15 r (the) s 338 1500 p (last-timestamp) s 15 r (recorded) s 15 r (for) s 15 r (the) s 15 r (originating) s 16 r (part) s -1 r 121 c 14 r (in) s 16 r (the) s 338 1556 p (lo) s 1 r (cal) s 15 r (database,) s 15 r (the) s 16 r (message) s 15 r (is) s 15 r (ev) s -2 r (aluated) s 14 r (as) s 16 r (unauthen) s -1 r (tic.) s 280 1648 p (5.) s 22 r (If) s 16 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (equal) s 15 r (to) s 15 r (the) s 338 1705 p (last-timestamp) s 15 r (and) s 15 r (if) s 15 r (the) s cmbx10.329 @sf 15 r (authNonce) s cmr10.329 @sf 16 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (less) s 338 1761 p (than) s 15 r (or) s 15 r (equal) s 15 r (to) s 15 r (the) s 16 r (nonce,) s 15 r (the) s 15 r (message) s 15 r (is) s 15 r (ev) s -1 r (aluated) s 14 r (as) s 338 1817 p (unauthen) s 0 r (tic.) s 280 1909 p (6.) s 22 r (The) s cmbx10.329 @sf 16 r (authDigest) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (extracted) s 15 r (and) s 338 1966 p (temp) s 1 r (orarily) s 15 r (recorded.) s 280 2057 p (7.) s 22 r 65 c 16 r (new) s cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 15 r (is) s 15 r (constructed) s 15 r (suc) s 0 r 104 c 14 r (that) s 15 r (its) s cmbx10.329 @sf 338 2114 p (authDigest) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (set) s 15 r (to) s 16 r (the) s 15 r (priv) s -2 r (ate) s 338 2170 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (and) s 15 r (its) s 15 r (other) s 15 r (comp) s 1 r (onen) s 0 r (ts) s 14 r (are) s 15 r (set) s 15 r (to) s 338 2227 p (the) s 15 r 118 c -2 r (alue) s 15 r (of) s 15 r (the) s 15 r (corresp) s 1 r (onding) s 15 r (comp) s 2 r (onen) s -1 r (ts) s 14 r (in) s 16 r (the) s 338 2283 p (receiv) s 0 r (ed) s cmbx10.329 @sf 14 r (SnmpAuthMsg) s cmr10.329 @sf 0 r 46 c 20 r (This) s 15 r (new) s cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 338 2340 p 118 c -2 r (alue) s 14 r (is) s 16 r (serialized) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -2 r (tions) s 15 r (of) s 15 r 91 c 0 r (12) s 0 r 93 c 338 2396 p (and) s 15 r 91 c 0 r 49 c 0 r (].) s 20 r 65 c 15 r (digest) s 15 r (is) s 16 r (computed) s 15 r 111 c -1 r 118 c -1 r (er) s 14 r (the) s 16 r 111 c 1 r (ctet) s 15 r (sequence) s 338 2452 p (represen) s 0 r (ting) s 14 r (the) s 15 r (serialized) s 15 r 118 c -2 r (alue) s 15 r (of) s 15 r (the) s 15 r (new) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (19]) s @eop 18 @bop0 cmbx12.300 @sf [<00FF0003FFC00FFFE01FFFF01FC3F83F81FC3F01FC7F01FE7F01FE7F01FEFF01FEFF01FEFF01FEFF01FEFF01FEFF01FEFF81 FCFF81FCFF81FCFFC3F8FFFFF0FFFFE07F3F807F00007F01F07F83F83F83F83F83F81FC3F80FF1F807FFF003FFF000FFE000 3FC0> 24 34 -2 1 28.019] 54 @dc 18 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (set) s 15 r (to) s 15 r (zero.) s 20 r (The) s cmbx10.329 @sf 15 r (authNonce) s cmr10.329 @sf 16 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (set) s 15 r (to) s 15 r (the) s 338 364 p (nonce) s 15 r 118 c -2 r (alue.) s 20 r (In) s 15 r (the) s 15 r (lo) s 1 r (cal) s 15 r (database,) s 15 r (the) s 16 r (originating) s 338 420 p (SNMP) s 15 r (part) s 0 r (y's) s cmbx10.329 @sf 14 r (part) s -1 r (yAuthNonce) s cmr10.329 @sf 15 r (and) s cmbx10.329 @sf 338 477 p (part) s -1 r (yAuthLastMsg) s cmr10.329 @sf 14 r (are) s 16 r (set) s 15 r (to) s 15 r (the) s 15 r (nonce) s 15 r 118 c -1 r (alue) s 14 r (and) s 15 r (the) s 338 533 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k,) s 14 r (resp) s 1 r (ectiv) s 0 r (ely) s -4 r 46 c 280 643 p (4.) s 22 r (The) s 16 r (authen) s -1 r (tication) s 14 r (digest) s 16 r (is) s 15 r (temp) s 1 r (orarily) s 15 r (set) s 15 r (to) s 15 r (the) s 338 700 p (priv) s -2 r (ate) s 14 r (authen) s 0 r (tication) s 14 r 107 c 0 r (ey) s -4 r 46 c 19 r (The) s cmbx10.329 @sf 16 r (SnmpAuthMsg) s cmr10.329 @sf 15 r (is) s 338 756 p (serialized) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r (con) s 0 r 118 c -1 r (en) s -1 r (tions) s 14 r (of) s 15 r 91 c 0 r (12) s 0 r 93 c 15 r (and) s 15 r 91 c 0 r 49 c 0 r (].) s 20 r 65 c 338 813 p (digest) s 15 r (is) s 15 r (computed) s 15 r 111 c 0 r 118 c -1 r (er) s 14 r (the) s 15 r 111 c 1 r (ctet) s 15 r (sequence) s 16 r (represen) s -1 r (ting) s 338 869 p (the) s 15 r (serialized) s 15 r 118 c -1 r (alue) s 14 r (of) s cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 15 r (according) s 15 r (to) s 15 r (the) s 338 926 p (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 16 r (Section) s 15 r (4.4.1.) s 338 982 p (The) s cmbx10.329 @sf 15 r (authDigest) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (set) s 16 r (to) s 15 r (the) s 15 r (computed) s 338 1039 p (digest) s 15 r 118 c -2 r (alue.) s 224 1188 p (As) s 15 r (set) s 15 r (forth) s 16 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 15 r (the) s cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (is) s 15 r (then) s 224 1245 p (encapsulated) s 15 r (according) s 15 r (to) s 16 r (the) s 15 r (appropriate) s 15 r (priv) s -2 r (acy) s 15 r (proto) s 1 r (col) s 224 1301 p (in) s 0 r (to) s 14 r 97 c cmbx10.329 @sf 15 r (SnmpPrivMsg) s cmr10.329 @sf 15 r 118 c -1 r (alue.) s 19 r (This) s 15 r (latter) s 15 r 118 c -1 r (alue) s 14 r (is) s 15 r (then) s 224 1358 p (serialized) s 15 r (and) s 15 r (transmitted) s 16 r (to) s 15 r (the) s 15 r (receiving) s 15 r (SNMP) s 15 r (part) s 0 r 121 c -4 r 46 c cmbx12.300 @sf 224 1542 p (6.2) s 56 r (Receiving) s 19 r 97 c 19 r (Message) s cmr10.329 @sf 224 1675 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 1732 p (up) s 1 r (on) s 16 r (receipt) s 15 r (of) s 15 r 97 c 15 r (proto) s 1 r (col) s 15 r (message) s 16 r (from) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (for) s 224 1788 p (whic) s 0 r 104 c 14 r (the) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col) s 15 r (is) s 16 r (administrativ) s -1 r (ely) s 15 r (sp) s 1 r (eci\014ed) s 224 1845 p (as) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col.) s 20 r (Insofar) s 15 r (as) s 15 r (the) s 15 r 98 c 2 r (eha) s -1 r (vior) s 224 1901 p (of) s 15 r 97 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c 15 r (when) s 15 r (receiving) s 15 r (proto) s 1 r (col) s 15 r (messages) s 224 1957 p (is) s 15 r (de\014ned) s 15 r (generically) s 16 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 15 r (only) s 15 r (those) s 15 r (asp) s 1 r (ects) s 16 r (of) s 15 r (that) s 224 2014 p 98 c 1 r (eha) s 0 r (vior) s 14 r (that) s 15 r (are) s 16 r (sp) s 1 r (eci\014c) s 15 r (to) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 224 2070 p (Proto) s 1 r (col) s 16 r (are) s 15 r (describ) s 1 r (ed) s 15 r 98 c 1 r (elo) s 0 r (w.) s 224 2170 p (According) s 15 r (to) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (ev) s -2 r (aluated) s 14 r (during) s 224 2227 p (Step) s 15 r 57 c 15 r (of) s 16 r (generic) s 15 r (pro) s 1 r (cessing.) s 20 r (In) s 15 r (particular,) s 16 r (it) s 15 r (states) s 15 r (the) s cmbx10.329 @sf 224 2283 p (SnmpAuthMsg) s cmr10.329 @sf 15 r (is) s 15 r (ev) s -1 r (aluated) s 14 r (according) s 15 r (to) s 15 r (the) s cmbx10.329 @sf 224 2340 p (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (that) s 224 2396 p (originated) s 15 r (the) s 15 r (message.) s 21 r (When) s 15 r (that) s 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (the) s 15 r (Digest) s 224 2452 p (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col,) s 15 r (the) s 16 r (pro) s 1 r (cedures) s 15 r (executed) s 15 r 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (18]) s @eop 17 @bop0 17 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (temp) s 1 r (orarily) s 15 r (pre\014xed) s 15 r (with) s 16 r 97 c 15 r (secret) s 15 r 118 c -2 r (alue) s 14 r (for) s 16 r (the) s 15 r (purp) s 1 r (oses) s 338 364 p (of) s 15 r (computing) s 15 r (the) s 15 r (digest.) s 224 482 p (In) s 15 r (this) s 15 r (con) s 0 r (text,) s 14 r (the) s 15 r (Digest) s 16 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col) s 15 r (is) s 224 538 p (iden) s 0 r (ti\014ed) s 13 r 98 c 0 r 121 c 14 r (the) s 14 r (ASN.1) s 14 r (ob) s 3 r (ject) s 14 r (iden) s 0 r (ti\014er) s 14 r (listed) s 14 r (in) s 14 r (Section) s 15 r (4.4.1.) s cmbx12.300 @sf 224 696 p (6.1) s 56 r (Generating) s 19 r 97 c 19 r (Message) s cmr10.329 @sf 224 821 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 878 p (when) s 15 r (it) s 15 r (acts) s 16 r (as) s 15 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (for) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (authen) s 0 r (tication) s 224 934 p (proto) s 1 r (col) s 16 r (is) s 15 r (administrativ) s -1 r (ely) s 15 r (sp) s 1 r (eci\014ed) s 15 r (as) s 15 r (the) s 15 r (Digest) s 224 990 p (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col.) s 21 r (Insofar) s 15 r (as) s 15 r (the) s 15 r 98 c 1 r (eha) s 0 r (vior) s 14 r (of) s 15 r 97 c 15 r (SNMP) s 224 1047 p (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 13 r (when) s 15 r (transmitting) s 15 r (proto) s 1 r (col) s 15 r (messages) s 15 r (is) s 15 r (de\014ned) s 224 1103 p (generically) s 15 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r (only) s 15 r (those) s 15 r (asp) s 1 r (ects) s 15 r (of) s 15 r (that) s 16 r 98 c 1 r (eha) s 0 r (vior) s 14 r (that) s 15 r (are) s 224 1160 p (sp) s 1 r (eci\014c) s 16 r (to) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col) s 15 r (are) s 15 r (describ) s 2 r (ed) s 224 1216 p 98 c 1 r (elo) s 0 r (w.) s 19 r (In) s 16 r (particular,) s 15 r (this) s 15 r (section) s 15 r (describ) s 1 r (es) s 15 r (the) s 16 r (encapsulation) s 224 1273 p (of) s 15 r 97 c 15 r (SNMP) s 16 r (managemen) s -1 r 116 c 14 r (comm) s 0 r (unication) s 14 r (in) s 0 r (to) s 14 r 97 c 15 r (SNMP) s 224 1329 p (authen) s 0 r (ticated) s 14 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication.) s 224 1425 p (According) s 15 r (to) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmbx10.329 @sf 15 r (SnmpAuthMsg) s cmr10.329 @sf 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (constructed) s 224 1481 p (during) s 15 r (Step) s 15 r 51 c 16 r (of) s 15 r (generic) s 15 r (pro) s 1 r (cessing.) s 20 r (In) s 16 r (particular,) s 15 r (it) s 15 r (states) s 15 r (the) s cmbx10.329 @sf 224 1538 p (authInfo) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 14 r (is) s 16 r (constructed) s 15 r (according) s 15 r (to) s 15 r (the) s cmbx10.329 @sf 224 1594 p (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (originating) s 224 1651 p (the) s 15 r (message.) s 21 r (When) s 15 r (that) s 15 r 118 c -2 r (alue) s 14 r (is) s 16 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 224 1707 p (Proto) s 1 r (col,) s 16 r (the) s 15 r (pro) s 1 r (cedures) s 15 r (executed) s 15 r 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c 224 1764 p (whenev) s 0 r (er) s 14 r 97 c 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication) s 14 r (is) s 15 r (to) s 15 r 98 c 2 r 101 c 15 r (transmitted) s 224 1820 p 98 c 0 r 121 c 14 r 97 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (are) s 15 r (as) s 16 r (follo) s -1 r (ws.) s 280 1938 p (1.) s 22 r (The) s 16 r (lo) s 1 r (cal) s 15 r (database) s 15 r (is) s 15 r (consulted) s 15 r (to) s 16 r (determine) s 15 r (the) s 338 1994 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r (k,) s 14 r (last-timestamp,) s 15 r (nonce) s 15 r (and) s 15 r (priv) s -1 r (ate) s 338 2051 p (authen) s 0 r (tication) s 14 r 107 c -1 r (ey) s 15 r (\(extracted) s 15 r (according) s 15 r (to) s 15 r (the) s 338 2107 p (con) s 0 r 118 c -2 r (en) s -1 r (tions) s 14 r (of) s 15 r (the) s 15 r (mec) s 0 r (hanism) s 14 r (de\014ned) s 15 r (in) s 16 r (Section) s 15 r (4.4.1\)) s 338 2164 p (of) s 15 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (originating) s 15 r (the) s 15 r (message.) s 280 2252 p (2.) s 22 r (The) s cmbx10.329 @sf 16 r (authTimestamp) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (set) s 15 r (to) s 15 r (the) s 15 r (retriev) s 0 r (ed) s 338 2308 p (authen) s 0 r (tication) s 14 r (clo) s 1 r 99 c 0 r 107 c 14 r 118 c -2 r (alue.) s 280 2396 p (3.) s 22 r (If) s 16 r (the) s 15 r (last-timestamp) s 15 r (is) s 15 r (equal) s 15 r (to) s 15 r (the) s 15 r (authen) s 0 r (tication) s 338 2452 p (clo) s 1 r 99 c 0 r (k,) s 14 r (the) s 15 r (nonce) s 15 r (is) s 15 r (incremen) s 0 r (ted.) s 19 r (Otherwise) s 15 r (the) s 16 r (nonce) s 15 r (is) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (17]) s @eop 16 @bop0 cmbx10.329 @sf [<007800F801F003E007C007C00F801F801F001F003F003F007E007E007E007E00FE00FE00FC00FC00FC00FC00FC00FC00FC00 FC00FC00FE00FE007E007E007E007E003F003F001F001F001F800F8007C007C003E001F000F80078> 16 45 -3 11 20.328] 40 @dc [<01FC0007FF000FFF801F8FC03F07E03E03E07E03F07E03F07E03F0FE03F8FE03F8FE03F8FE03F8FE03F8FE03F8FE03F8FE03 F8FE03F8FE03F8FE03F8FE03F8FE03F87E03F07E03F07E03F03E03E03F07E01F8FC00FFF8007FF0001FC00> 24 31 -2 1 26.136] 48 @dc [<F000F8007C003E001F001F000F800FC007C007C007E007E003F003F003F003F003F803F801F801F801F801F801F801F801F8 01F801F803F803F803F003F003F003F007E007E007C007C00FC00F801F001F003E007C00F800F000> 16 45 -3 11 20.328] 41 @dc 16 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (In) s 15 r (supp) s 2 r (ort) s 15 r (of) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 1 r (col,) s 15 r (an) s cmbx10.329 @sf 224 364 p (authInfo) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (of) s 15 r (data) s 14 r 116 c 0 r (yp) s 0 r 101 c cmbx10.329 @sf 15 r (AuthInformation) s cmr10.329 @sf 0 r 46 c 20 r (It) s 15 r (is) s 224 420 p (represen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r (an) s 15 r (ASN.1) s 15 r 118 c -1 r (alue) s 14 r (with) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (syn) s 0 r (tax.) s cmbx10.329 @sf 299 568 p (AuthInformation) s 18 r (::=) s 17 r ([1]) s 17 r (IMPLICIT) s 18 r (SEQUENCE) s cmsy10.329 @sf 17 r 102 c cmbx10.329 @sf 374 624 p (authTimestamp) s 449 681 p (INTEGER) s 18 r (\(0..2147483647\),) s 374 737 p (authNonce) s 449 793 p (INTEGER) s 18 r (\(0..2147483647\),) s 374 850 p (authDigest) s 449 906 p (OCTET) s 18 r (STRING) s cmsy10.329 @sf 299 963 p 103 c cmr10.329 @sf 224 1167 p 70 c -3 r (or) s 15 r (eac) s -1 r 104 c cmbx10.329 @sf 14 r (AuthInformation) s cmr10.329 @sf 16 r 118 c -2 r (alue) s 14 r (that) s 15 r (represen) s 0 r (ts) s 224 1223 p (authen) s 0 r (tication) s 14 r (information,) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (statemen) s 0 r (ts) s 14 r (are) s 15 r (true:) s cmsy10.329 @sf 292 1358 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 1414 p (authentic) s -2 r (ation) s 16 r (timestamp) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (the) s 15 r (time) s 15 r (of) s 15 r (the) s 338 1471 p (generation) s 15 r (of) s 15 r (the) s 15 r (message) s 15 r (according) s 16 r (to) s 15 r (the) s cmbx10.329 @sf 338 1527 p (part) s -1 r (yAuthClo) s 1 r 99 c -1 r 107 c cmr10.329 @sf 13 r (of) s 14 r (the) s 14 r (SNMP) s 15 r (part) s -1 r 121 c 13 r (that) s 14 r (originated) s 14 r (it.) s cmsy10.329 @sf 292 1623 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (authNonce) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (authentic) s -1 r (ation) s 338 1679 p (nonc) s -2 r 101 c cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (non-negativ) s 0 r 101 c 14 r (in) s -1 r (teger) s 15 r 118 c -2 r (alue) s 338 1736 p (ev) s -2 r (aluated) s 14 r (according) s 16 r (to) s 15 r (the) s cmbx10.329 @sf 15 r (authTimestamp) s cmr10.329 @sf 15 r 118 c -2 r (alue.) s 338 1792 p (Note) s 15 r (that) s 15 r (the) s 15 r (gran) s 0 r (ularit) s -1 r 121 c 14 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 338 1849 p (timestamp) s 15 r (is) s 15 r 49 c 15 r (tic) s 0 r 107 c 14 r 112 c 1 r (er) s 16 r (second.) s 20 r (In) s 15 r (order) s 15 r (not) s 15 r (to) s 15 r (limit) s 338 1905 p (transmission) s 15 r (frequency) s 15 r (of) s 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unications) s 338 1962 p (to) s 15 r (the) s 15 r (gran) s 0 r (ularit) s -1 r 121 c 14 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (timestamp,) s 15 r (the) s 338 2018 p (authen) s 0 r (tication) s 14 r (nonce) s 15 r (is) s 15 r (pro) s 0 r (vided) s 14 r (to) s 15 r (di\013eren) s 0 r (tiate) s 14 r 98 c 1 r (et) s 0 r 119 c -1 r (een) s 338 2075 p 109 c 0 r (ultiple) s 14 r (messages) s 15 r (sen) s 0 r 116 c 14 r (with) s 15 r (the) s 15 r (same) s 15 r 118 c -1 r (alue) s 14 r (of) s cmbx10.329 @sf 338 2131 p (authTimestamp) s cmr10.329 @sf 0 r 46 c 20 r (The) s 15 r (authen) s 0 r (tication) s 14 r (nonce) s 15 r (is) s 15 r 97 c 338 2187 p (monotonically) s 15 r (increasing) s 15 r (sequence) s 15 r 110 c 0 r (um) s -1 r 98 c 0 r (er,) s 15 r (that) s 15 r (is) s 15 r (reset) s 338 2244 p (for) s 15 r (eac) s 0 r 104 c 14 r (new) s 15 r (authen) s 0 r (tication) s 14 r (timestamp) s 15 r 118 c -2 r (alue.) s cmsy10.329 @sf 292 2340 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (authDigest) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (authentic) s -1 r (ation) s 338 2396 p (digest) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (the) s 15 r (digest) s 15 r (computed) s 15 r 111 c 0 r 118 c -1 r (er) s 14 r (an) s 338 2452 p (appropriate) s 14 r 112 c 1 r (ortion) s 15 r (of) s 14 r (the) s 14 r (message,) s 15 r (where) s 14 r (the) s 14 r (message) s 15 r (is) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (16]) s @eop 15 @bop0 cmbx10.329 @sf [<003FFFF000003FFFF000003FFFF000003FFFF0000001FE00000001FE00000001FE00000001FE00000001FE00000001FE0000 0001FE00000001FE00000001FE00000003FE00000003FF00000007FF8000000FFF8000000FFFC000001FF3C000003FF3E000 003FE1F000007FC0F00000FFC0F80000FF807C0001FF007C0003FF003E0003FE001E00FFFF80FFF8FFFF80FFF8FFFF80FFF8 FFFF80FFF8> 40 31 -1 0 39.519] 89 @dc [<FFFFFF80FFFFFF80FFFFFF80> 32 3 0 -11 26.136] 123 @dc 15 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmsy10.329 @sf 292 307 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (srcP) s 0 r (art) s -2 r 121 c cmr10.329 @sf 14 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (sour) s -1 r 99 c -3 r 101 c cmr10.329 @sf 15 r (and) s 338 364 p (iden) s 0 r (ti\014es) s 14 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (from) s 15 r (whic) s 0 r 104 c 14 r (the) s 338 420 p (comm) s 0 r (unication) s 14 r (is) s 15 r (originated.) s cmsy10.329 @sf 292 521 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r 112 c 2 r (du) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (has) s 15 r (the) s 15 r (form) s 15 r (and) s 16 r (signi\014cance) s 338 577 p (attributed) s 15 r (to) s 15 r (it) s 15 r (in) s 15 r 91 c 0 r 49 c 0 r (].) s 224 717 p (Recall) s 15 r (from) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmti10.329 @sf 15 r (SNMP) s 16 r (authentic) s -1 r (ate) s -3 r 100 c 16 r (management) s 224 774 p 99 c -1 r (ommunic) s -2 r (ation) s cmr10.329 @sf 14 r (is) s 15 r (represen) s 0 r (ted) s 14 r 98 c -1 r 121 c 15 r (an) s 15 r (ASN.1) s 15 r 118 c -2 r (alue) s 15 r (with) s 15 r (the) s 224 830 p (follo) s 0 r (wing) s 14 r (syn) s 0 r (tax.) s cmbx10.329 @sf 299 985 p (SnmpAuthMsg) s 18 r (::=) s 17 r ([1]) s 17 r (IMPLICIT) s 18 r (SEQUENCE) s cmsy10.329 @sf 17 r 102 c cmbx10.329 @sf 374 1041 p (authInfo) s 449 1098 p (ANY,) s 16 r 123 c 17 r (de\014ned) s 18 r 98 c -1 r 121 c 16 r (authen) s 0 r (tication) s 16 r (proto) s 2 r (col) s 374 1154 p (authData) s 449 1210 p (SnmpMgm) s 0 r (tCom) s cmsy10.329 @sf 299 1267 p 103 c cmr10.329 @sf 224 1478 p 70 c -3 r (or) s 15 r (eac) s -1 r 104 c cmbx10.329 @sf 14 r (SnmpAuthMsg) s cmr10.329 @sf 16 r 118 c -2 r (alue) s 14 r (that) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (SNMP) s 224 1534 p (authen) s 0 r (ticated) s 14 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication,) s 14 r (the) s 15 r (follo) s 0 r (wing) s 224 1591 p (statemen) s 0 r (ts) s 14 r (are) s 15 r (true:) s cmsy10.329 @sf 292 1731 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (authInfo) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (authentic) s -1 r (ation) s 338 1787 p (information) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (information) s 15 r (required) s 15 r (in) s 338 1843 p (supp) s 1 r (ort) s 15 r (of) s 15 r (the) s 16 r (authen) s -1 r (tication) s 14 r (proto) s 2 r (col) s 15 r (used) s 15 r 98 c 0 r 121 c 14 r (the) s 338 1900 p (SNMP) s 15 r (part) s 0 r 121 c 14 r (originating) s 15 r (the) s 15 r (message.) s 20 r (The) s 15 r (detailed) s 338 1956 p (signi\014cance) s 15 r (of) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (information) s 15 r (is) s 15 r (sp) s 2 r (eci\014c) s 338 2013 p (to) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col) s 15 r (in) s 16 r (use;) s 15 r (it) s 15 r (has) s 15 r (no) s 15 r (e\013ect) s 15 r (on) s 338 2069 p (the) s 15 r (application) s 15 r (seman) s 0 r (tics) s 14 r (of) s 15 r (the) s 15 r (comm) s 0 r (unication) s 14 r (other) s 338 2126 p (than) s 15 r (its) s 15 r (use) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col) s 16 r (in) s 338 2182 p (determining) s 15 r (whether) s 15 r (the) s 15 r (comm) s 0 r (unication) s 14 r (is) s 15 r (authen) s 0 r (tic) s 14 r (or) s 338 2239 p (not.) s cmsy10.329 @sf 292 2340 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (authData) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (authentic) s -1 r (ation) s 338 2396 p (data) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (SNMP) s 15 r (managemen) s 0 r 116 c 338 2452 p (comm) s 0 r (unication.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (15]) s @eop 14 @bop0 cmbx10.432 @sf [<007FE00001FFF80007FFFE000FFFFF001FF9FF801FE0FF803FE07FC03FC07FC07FC07FE07FC07FE07FC07FE07FC07FE0FFC0 7FE0FFC07FE0FFC07FE0FFC07FE0FFC07FE0FFC07FE0FFE07FE0FFE07FC0FFE07FC0FFF0FF80FFF9FF80FFFFFF00FFFFFE00 FFFFFC00FFDFF0007FC000007FC000007FC07F007FE0FF803FE0FF803FE0FF801FF0FF800FF8FF800FFCFF8007FF7F8003FF FF0000FFFF00007FFE00000FF800> 32 41 -3 1 34.370] 54 @dc [<007FFC0007FFFFC01FFFFFF03FFFFFF87FF01FFC7FC007FCFF0001FEFF0001FEFE0000FEFE0000FEFF0001FEFF800FFE7FFF FFFE3FFFFFFC0FFFFFFC0FFFFFF81FFFFFF01FFFFFC01FFFFE001F8000001F0000001E0000001EFFE0001FFFF8000FFFFE00 0FFFFE001FF1FF003FE0FF803FC07F803FC07F803FC07F803FC07F803FC07F803FC07FFC3FE0FFFE1FF1FFFE0FFFFFFE0FFF FFFE03FFFFFE00FFE7FC000001FC> 32 41 -1 13 34.370] 103 @dc [<FFFF807FFFFEFFFF807FFFFEFFFF807FFFFEFFFF807FFFFE01F00003FF0001F80007FF0000F80007FE0000F80007FE0000FC 000FFE00007FFFFFFC00007FFFFFFC00003FFFFFF800003FFFFFF800003F003FF800001F003FF000001F003FF000001F807F F000000F807FE000000FC0FFE0000007C0FFC0000007C0FFC0000007E1FFC0000003E1FF80000003E1FF80000003F3FF8000 0001F3FF00000001FFFF00000000FFFE00000000FFFE00000000FFFE000000007FFC000000007FFC000000003FF800000000 3FF8000000003FF8000000001FF0000000001FF0000000001FF0000000000FE0000000000FE00000000007C00000> 48 41 -2 0 51.970] 65 @dc [<FFFF1FFF80FFFF1FFF80FFFF1FFF80FFFF1FFF800FF007F8000FF007F8000FF007F8000FF007F8000FF007F8000FF007F800 0FF007F8000FF007F8000FF007F8000FF007F8000FF007F8000FF007F8000FF007F8000FF007F8000FF807F8000FF807F800 0FFC07F8000FFE0FF8000FFF9FF8000FFFFFF0000FF7FFF0000FF3FFE0000FF0FF80000FF00000000FF00000000FF0000000 0FF00000000FF00000000FF00000000FF00000000FF00000000FF00000000FF00000000FF0000000FFF0000000FFF0000000 FFF0000000FFF0000000> 40 42 -3 0 38.189] 104 @dc 14 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.432 @sf 224 307 p 54 c 69 r (Digest) s 23 r (Authen) s -1 r (tication) s 22 r (Proto) s 2 r (col) s cmr10.329 @sf 224 458 p (This) s 15 r (section) s 15 r (describ) s 2 r (es) s 15 r (the) s cmti10.329 @sf 15 r (Digest) s 16 r 65 c 0 r (uthentic) s -2 r (ation) s 15 r (Pr) s -1 r (oto) s -3 r 99 c -2 r (ol) s cmr10.329 @sf 0 r 46 c 19 r (It) s 224 514 p (pro) s 0 r (vides) s 14 r 98 c 1 r (oth) s 15 r (for) s 16 r 118 c -1 r (erifying) s 14 r (the) s 16 r (in) s -1 r (tegrit) s -1 r 121 c 14 r (of) s 15 r 97 c 16 r (receiv) s -1 r (ed) s 14 r (message) s 224 571 p (\(i.e.,) s 15 r (the) s 15 r (message) s 16 r (receiv) s -1 r (ed) s 14 r (is) s 16 r (the) s 15 r (message) s 15 r (sen) s 0 r (t\)) s 14 r (and) s 15 r (for) s 224 627 p 118 c 0 r (erifying) s 14 r (the) s 15 r (origin) s 15 r (of) s 15 r 97 c 16 r (message) s 15 r (\(i.e.,) s 15 r (the) s 15 r (reliable) s 224 683 p (iden) s 0 r (ti\014cation) s 14 r (of) s 15 r (the) s 15 r (originator\).) s 21 r (The) s 15 r (in) s -1 r (tegrit) s -1 r 121 c 14 r (of) s 15 r (the) s 16 r (message) s 224 740 p (is) s 15 r (protected) s 15 r 98 c 0 r 121 c 14 r (computing) s 15 r 97 c 16 r (digest) s 15 r 111 c 0 r 118 c -2 r (er) s 14 r (an) s 16 r (appropriate) s 224 796 p 112 c 1 r (ortion) s 16 r (of) s 15 r 97 c 15 r (message.) s 20 r (The) s 15 r (digest) s 15 r (is) s 16 r (computed) s 15 r 98 c -1 r 121 c 15 r (the) s 224 853 p (originator) s 15 r (of) s 15 r (the) s 16 r (message,) s 15 r (transmitted) s 15 r (with) s 15 r (the) s 15 r (message,) s 15 r (and) s 224 909 p 118 c 0 r (eri\014ed) s 14 r 98 c 0 r 121 c 14 r (the) s 15 r (recipien) s 0 r 116 c 14 r (of) s 15 r (the) s 15 r (message.) s 224 1010 p 65 c 15 r (secret) s 15 r 118 c -1 r (alue) s 14 r (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (the) s 15 r (originator) s 16 r (and) s 15 r (recipien) s -1 r 116 c 15 r (of) s 224 1066 p (the) s 15 r (message) s 15 r (is) s 16 r (pre\014xed) s 15 r (to) s 15 r (the) s 15 r (message) s 15 r (prior) s 15 r (to) s 16 r (the) s 15 r (digest) s 224 1123 p (computation.) s 20 r (Th) s 0 r (us,) s 14 r (the) s 15 r (origin) s 16 r (of) s 15 r (the) s 15 r (message) s 15 r (is) s 15 r (kno) s 0 r (wn) s 224 1179 p (implicitly) s 15 r (with) s 15 r (the) s 16 r 118 c -1 r (eri\014cation) s 14 r (of) s 16 r (the) s 15 r (digest.) s 224 1280 p (Recall) s 15 r (from) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmti10.329 @sf 15 r (SNMP) s 16 r (management) s 16 r 99 c -1 r (ommunic) s -2 r (ation) s cmr10.329 @sf 14 r (is) s 224 1336 p (represen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r (an) s 15 r (ASN.1) s 15 r 118 c -1 r (alue) s 14 r (with) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (syn) s 0 r (tax.) s cmbx10.329 @sf 299 1507 p (SnmpMgm) s 0 r (tCom) s 16 r (::=) s 18 r ([1]) s 17 r (IMPLICIT) s 17 r (SEQUENCE) s cmsy10.329 @sf 18 r 102 c cmbx10.329 @sf 374 1564 p (dstP) s 0 r (art) s -2 r 121 c 449 1620 p (OBJECT) s 18 r (IDENTIFIER,) s 374 1677 p (srcP) s 0 r (art) s -2 r 121 c 449 1733 p (OBJECT) s 18 r (IDENTIFIER,) s 374 1790 p 112 c 2 r (du) s 61 r (PDUs) s cmsy10.329 @sf 299 1846 p 103 c cmr10.329 @sf 224 2073 p 70 c -3 r (or) s 15 r (eac) s -1 r 104 c cmbx10.329 @sf 14 r (SnmpMgm) s 0 r (tCom) s cmr10.329 @sf 14 r 118 c -1 r (alue) s 14 r (that) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (SNMP) s 224 2130 p (managemen) s 0 r 116 c 14 r (comm) s 0 r (unication,) s 14 r (the) s 15 r (follo) s 0 r (wing) s 14 r (statemen) s 0 r (ts) s 14 r (are) s 224 2186 p (true:) s cmsy10.329 @sf 292 2340 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (dstP) s 0 r (art) s -2 r 121 c cmr10.329 @sf 14 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (destination) s cmr10.329 @sf 15 r (and) s 338 2396 p (iden) s 0 r (ti\014es) s 14 r (the) s 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (to) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (comm) s 0 r (unication) s 338 2452 p (is) s 15 r (directed.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (14]) s @eop 13 @bop0 cmr10.329 @sf [<000380000007C0000007C0000007C000000FE000000FE000000FE000001FF000001FF000001FF000003FF800003F3800003F 3800007F3C00007E1C00007E1C0000FE1E0000FC0E0000FC0E0001FC0F0001F8070001F8070003F8078003F0038003F00380 07F001C007E001C007E001C00FE001E0FFFC0FFEFFFC0FFEFFFC0FFE> 32 32 -1 1 34.090] 86 @dc 13 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmsy10.329 @sf 292 307 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthNonce) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (nonc) s -2 r 101 c cmr10.329 @sf 338 364 p (and) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (monotonically) s 15 r (increasing) s 15 r (in) s 0 r (teger) s 338 420 p (asso) s 1 r (ciated) s 15 r (with) s 15 r (the) s 16 r (most) s 15 r (recen) s -1 r (t,) s 15 r (authen) s -1 r (tic) s 14 r (proto) s 2 r (col) s 338 477 p (message) s 15 r (generated) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c -4 r 46 c 19 r (The) s 15 r (nonce) s 16 r (asso) s 1 r (ciated) s 338 533 p (with) s 15 r 97 c 15 r (particular) s 15 r (message) s 15 r (distinguishes) s 16 r (it) s 15 r (among) s 15 r (all) s 338 589 p (others) s 15 r (transmitted) s 15 r (in) s 15 r (the) s 15 r (same) s 16 r (unit) s 15 r (time) s 15 r (in) s 0 r (terv) s -3 r (al.) s cmsy10.329 @sf 292 691 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthPriv) s -3 r (ate) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (private) s 338 748 p (authentic) s -2 r (ation) s 16 r (key) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (an) s 0 r 121 c 14 r (secret) s 15 r 118 c -2 r (alue) s 338 804 p (needed) s 15 r (to) s 15 r (supp) s 1 r (ort) s 16 r (the) s 15 r (authen) s -1 r (tication) s 15 r (proto) s 1 r (col.) s 20 r 86 c -3 r (alid) s 338 860 p 118 c -2 r (alues) s 14 r (in) s 16 r (this) s 15 r (con) s -1 r (text) s 15 r (are) s 15 r (de\014ned) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r 118 c -1 r (alue) s 338 917 p (of) s cmbx10.329 @sf 15 r (part) s -1 r (yAuthProto) s 1 r (col) s cmr10.329 @sf 0 r 46 c cmsy10.329 @sf 292 1018 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthPublic) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (public) s 338 1075 p (authentic) s -2 r (ation) s 16 r (key) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (an) s 0 r 121 c 14 r (public) s 15 r 118 c -2 r (alue) s 15 r (that) s 338 1131 p (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (needed) s 15 r (to) s 15 r (supp) s 2 r (ort) s 15 r (the) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col.) s 338 1188 p (In) s 15 r (this) s 15 r (con) s 0 r (text,) s 14 r (this) s 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (not) s 16 r (signi\014can) s -1 r 116 c 14 r (\(see) s 338 1244 p (Section) s 15 r (8.3\).) s cmsy10.329 @sf 292 1346 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthLifetime) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 1402 p (lifetime) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (an) s 15 r (administrativ) s 0 r 101 c 14 r (upp) s 1 r (er) s 15 r 98 c 2 r (ound) s 338 1459 p (on) s 15 r (acceptable) s 15 r (deliv) s 0 r (ery) s 14 r (dela) s 0 r 121 c 14 r (for) s 15 r (proto) s 1 r (col) s 15 r (messages) s 338 1515 p (generated) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c -4 r 46 c cmsy10.329 @sf 292 1617 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivProto) s 0 r (col) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (privacy) s 338 1673 p (pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.329 @sf 14 r (and) s 15 r (iden) s 0 r (ti\014es) s 14 r 97 c 15 r (proto) s 1 r (col) s 16 r (and) s 15 r 97 c 15 r (mec) s 0 r (hanism) s 14 r 98 c 0 r 121 c 338 1730 p (whic) s 0 r 104 c 14 r (all) s 15 r (proto) s 1 r (col) s 15 r (messages) s 15 r (receiv) s 0 r (ed) s 14 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c 14 r (are) s 338 1786 p (protected) s 15 r (from) s 15 r (disclosure.) s 20 r 86 c -2 r (alid) s 14 r 118 c -2 r (alues) s 14 r (in) s 15 r (this) s 16 r (con) s -1 r (text) s 338 1843 p (are) s 15 r (listed) s 15 r (in) s 15 r (Section) s 15 r (9.1.) s cmsy10.329 @sf 292 1944 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivPriv) s -3 r (ate) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (private) s 338 2001 p (privacy) s 16 r (key) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (an) s 0 r 121 c 14 r (secret) s 15 r 118 c -1 r (alue) s 14 r (needed) s 15 r (to) s 338 2057 p (supp) s 1 r (ort) s 15 r (the) s 15 r (priv) s -1 r (acy) s 14 r (proto) s 1 r (col.) s 20 r 86 c -2 r (alid) s 14 r 118 c -2 r (alues) s 14 r (in) s 16 r (this) s 338 2114 p (con) s 0 r (text) s 14 r (are) s 15 r (de\014ned) s 15 r (according) s 15 r (to) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s cmbx10.329 @sf 338 2170 p (part) s -1 r (yPrivProto) s 1 r (col) s cmr10.329 @sf 0 r 46 c cmsy10.329 @sf 292 2272 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yPrivPublic) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (public) s 338 2328 p (privacy) s 16 r (key) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (an) s 0 r 121 c 14 r (public) s 15 r 118 c -1 r (alue) s 14 r (that) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 338 2385 p (needed) s 15 r (to) s 15 r (supp) s 1 r (ort) s 16 r (the) s 15 r (priv) s -2 r (acy) s 14 r (proto) s 2 r (col.) s 20 r (In) s 15 r (this) s 15 r (con) s 0 r (text,) s 338 2441 p (this) s 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (not) s 15 r (signi\014can) s 0 r 116 c 14 r (\(see) s 15 r (Section) s 16 r (8.3\).) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (13]) s @eop 12 @bop0 cmbx10.329 @sf [<FFFC3FFFE0FFFC3FFFE0FFFC3FFFE0FFFC3FFFE003E007FC0001F00FF80000F81FF00000F81FF000007C3FE000003E7FC000 001E7FC000001FFF8000000FFF00000007FF00000007FE00000007FC00000007FC0000000FF80000001FF80000001FFC0000 003FFC0000007FFE0000007FDF000000FF9F000001FF0F800001FF07C00003FE03C000FFFF9FFF80FFFF9FFF80FFFF9FFF80 FFFF9FFF80> 40 31 -2 0 39.519] 88 @dc [<FFE7FF80FFE7FF80FFE7FF80FFE7FF8007C7F00003EFF00001FFE00000FFC00000FF8000007F8000007F000000FF000001FF 800003FF800003FFC00007F3E000FFF3FF00FFF3FF00FFF3FF00FFF3FF00> 32 20 -1 0 27.588] 120 @dc [<FFFFC0FFFFC0FFFFC0FF8FC07FC7C03FE3E03FF3E01FF1E00FF9E007FDE007FC007BFE0079FF0079FF807CFF803C7FC03F3F E03FFFE03FFFE03FFFE0> 24 20 -1 0 23.232] 122 @dc cmti10.329 @sf [<E0F800F1FC007BFE007FFF003FFF801F87800E03800F03C007800003C00001E00000F000007800003C00001E00000E000E1F 000FFF8007FFC007FDC003F9E001F0E0> 24 22 -2 1 18.585] 122 @dc 12 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (the) s 15 r (part) s 0 r 121 c 14 r (and) s 15 r (corresp) s 1 r (onds) s 15 r (to) s 16 r (the) s 15 r (part) s -1 r 121 c 15 r (iden) s -1 r (tit) s -1 r 121 c -4 r 46 c cmsy10.329 @sf 292 412 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yTDomain) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (tr) s -2 r (ansp) s -2 r (ort) s 338 468 p (domain) s cmr10.329 @sf 15 r (and) s 15 r (indicates) s 15 r (the) s 15 r (kind) s 16 r (of) s 15 r (transp) s 1 r (ort) s 15 r (service) s 15 r 98 c 0 r 121 c 338 525 p (whic) s 0 r 104 c 14 r (the) s 15 r (part) s 0 r 121 c 14 r (receiv) s -1 r (es) s 15 r (net) s -1 r 119 c -1 r (ork) s 14 r (managemen) s 0 r 116 c 14 r (tra\016c.) s 338 581 p (An) s 15 r (example) s 15 r (of) s 15 r 97 c 15 r (transp) s 2 r (ort) s 15 r (domain) s 15 r (is) s cmbx10.329 @sf 338 638 p (rfcXXXXDomain) s cmr10.329 @sf 15 r (\(SNMP) s 15 r 111 c 0 r 118 c -1 r (er) s 14 r (UDP\).) s cmsy10.329 @sf 292 743 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yT) s -5 r (Addr) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 15 r (tr) s -1 r (ansp) s -2 r (ort) s 338 799 p (addr) s -2 r (essing) s 16 r (information) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (transp) s 1 r (ort) s 338 856 p (service) s 15 r (address) s 15 r 98 c 0 r 121 c 14 r (whic) s 0 r 104 c 14 r (the) s 15 r (part) s 0 r 121 c 14 r (receiv) s 0 r (es) s 14 r (net) s 0 r 119 c -2 r (ork) s 338 912 p (managemen) s 0 r 116 c 14 r (tra\016c.) s cmsy10.329 @sf 292 1017 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yPro) s -2 r (xyF) s -4 r (or) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 16 r (the) s cmti10.329 @sf 15 r (pr) s -2 r (oxie) s -2 r 100 c 338 1073 p 112 c -2 r (arty) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r (the) s 15 r (iden) s 0 r (tit) s -2 r 121 c 14 r (of) s 16 r 97 c 15 r (second) s 15 r (SNMP) s 338 1130 p (part) s 0 r 121 c 14 r (or) s 15 r (other) s 15 r (managemen) s 0 r 116 c 14 r (en) s 0 r (tit) s -2 r 121 c 14 r (with) s 16 r (whic) s -1 r 104 c 338 1186 p (in) s 0 r (teraction) s 14 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 15 r (necessary) s 15 r (to) s 15 r (satisfy) s 15 r (receiv) s 0 r (ed) s 338 1243 p (managemen) s 0 r 116 c 14 r (requests.) s 20 r (In) s 15 r (this) s 15 r (con) s 0 r (text,) s 14 r (the) s 15 r 118 c -1 r (alue) s cmbx10.329 @sf 338 1299 p (noPro) s -1 r (xy) s cmr10.329 @sf 14 r (signi\014es) s 16 r (that) s 15 r (the) s 15 r (part) s 0 r 121 c 14 r (resp) s 1 r (onds) s 15 r (to) s 15 r (receiv) s 0 r (ed) s 338 1356 p (managemen) s 0 r 116 c 14 r (requests) s 15 r 98 c 0 r 121 c 14 r (en) s -1 r (tirely) s 15 r (lo) s 1 r (cal) s 15 r (mec) s 0 r (hanisms.) s cmsy10.329 @sf 292 1460 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yMaxMessageSize) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 1517 p (maximum) s 16 r (message) s 16 r (size) s cmr10.329 @sf 15 r (and) s 16 r (iden) s -1 r (ti\014es) s 15 r (the) s 15 r (maxim) s -1 r (um) s 338 1573 p 110 c 0 r (um) s -2 r 98 c 1 r (er) s 15 r (of) s 15 r 111 c 1 r (ctets) s 15 r (the) s 15 r (part) s 0 r 121 c 14 r (is) s 15 r (prepared) s 16 r (to) s 15 r (accept) s 15 r (in) s 15 r 97 c 338 1630 p (SNMP) s 15 r (message.) s cmsy10.329 @sf 292 1735 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthProto) s 0 r (col) s cmr10.329 @sf 15 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 1791 p (authentic) s -2 r (ation) s 16 r (pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.329 @sf 14 r (and) s 15 r (iden) s 0 r (ti\014es) s 14 r 97 c 15 r (proto) s 1 r (col) s 16 r (and) s 15 r 97 c 338 1848 p (mec) s 0 r (hanism) s 13 r 98 c 0 r 121 c 13 r (whic) s 0 r 104 c 13 r (all) s 15 r (messages) s 14 r (generated) s 14 r 98 c 0 r 121 c 14 r (the) s 14 r (part) s 0 r 121 c 338 1904 p (are) s 15 r (authen) s 0 r (ticated) s 14 r (as) s 15 r (to) s 15 r (in) s 0 r (tegrit) s -1 r 121 c 14 r (and) s 15 r (origin.) s 20 r 86 c -3 r (alid) s 14 r 118 c -1 r (alues) s 338 1960 p (in) s 15 r (this) s 15 r (con) s 0 r (text) s 14 r (are) s 15 r (listed) s 15 r (in) s 15 r (Section) s 16 r (9.1.) s cmsy10.329 @sf 292 2065 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthClo) s 0 r 99 c 0 r 107 c cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 2122 p (authentic) s -2 r (ation) s 16 r (clo) s -2 r (ck) s cmr10.329 @sf 15 r (and) s 15 r (represen) s -1 r (ts) s 15 r 97 c 15 r (notion) s 15 r (of) s 15 r (the) s 338 2178 p (curren) s 0 r 116 c 14 r (time) s 15 r (that) s 15 r (is) s 15 r (sp) s 1 r (eci\014c) s 16 r (to) s 15 r (the) s 15 r (part) s 0 r 121 c -4 r 46 c cmsy10.329 @sf 292 2283 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yAuthLastMsg) s cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 338 2340 p (last-timestamp) s cmr10.329 @sf 15 r (and) s 15 r (represen) s 0 r (ts) s 14 r 97 c 15 r (notion) s 15 r (of) s 15 r (time) s 338 2396 p (asso) s 1 r (ciated) s 15 r (with) s 15 r (the) s 16 r (most) s 15 r (recen) s -1 r (t,) s 15 r (authen) s -1 r (tic) s 14 r (proto) s 2 r (col) s 338 2452 p (message) s 15 r (generated) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c -4 r 46 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (12]) s @eop 11 @bop0 11 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 374 307 p (part) s 0 r (yIden) s -2 r (tit) s -1 r 121 c 449 364 p (OBJECT) s 18 r (IDENTIFIER,) s 374 420 p (part) s 0 r (yTDomain) s 449 477 p (OBJECT) s 18 r (IDENTIFIER,) s 374 533 p (part) s 0 r (yT) s -5 r (Addr) s 449 589 p (OCTET) s 18 r (STRING,) s 374 646 p (part) s 0 r (yPro) s -2 r (xyF) s -4 r (or) s 449 702 p (OBJECT) s 18 r (IDENTIFIER,) s 374 759 p (part) s 0 r (yMaxMessageSize) s 449 815 p (INTEGER,) s 374 872 p (part) s 0 r (yAuthProto) s 0 r (col) s 449 928 p (OBJECT) s 18 r (IDENTIFIER,) s 374 985 p (part) s 0 r (yAuthClo) s 0 r 99 c 0 r 107 c 449 1041 p (INTEGER,) s 374 1098 p (part) s 0 r (yAuthLastMsg) s 449 1154 p (INTEGER,) s 374 1210 p (part) s 0 r (yAuthNonce) s 449 1267 p (INTEGER,) s 374 1323 p (part) s 0 r (yAuthPriv) s -3 r (ate) s 449 1380 p (OCTET) s 18 r (STRING,) s 374 1436 p (part) s 0 r (yAuthPublic) s 449 1493 p (OCTET) s 18 r (STRING,) s 374 1549 p (part) s 0 r (yAuthLifetime) s 449 1606 p (INTEGER,) s 374 1662 p (part) s 0 r (yPrivProto) s 0 r (col) s 449 1719 p (OBJECT) s 18 r (IDENTIFIER,) s 374 1775 p (part) s 0 r (yPrivPriv) s -3 r (ate) s 449 1831 p (OCTET) s 18 r (STRING,) s 374 1888 p (part) s 0 r (yPrivPublic) s 449 1944 p (OCTET) s 18 r (STRING) s cmsy10.329 @sf 299 2001 p 103 c cmr10.329 @sf 224 2170 p 70 c -3 r (or) s 15 r (eac) s -1 r 104 c cmbx10.329 @sf 14 r (SnmpP) s 0 r (art) s -1 r 121 c cmr10.329 @sf 14 r 118 c -2 r (alue) s 14 r (that) s 15 r (supp) s 2 r (orts) s 15 r (the) s 15 r (generation) s 15 r (of) s 224 2227 p (messages) s 15 r (using) s 15 r (the) s 16 r (Digest) s 15 r (Authen) s -1 r (tication) s 15 r (Proto) s 1 r (col) s 15 r (or) s 15 r (the) s 224 2283 p (receipt) s 15 r (of) s 15 r (messages) s 16 r (via) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 14 r (Proto) s 1 r (col,) s 15 r (the) s 224 2340 p (signi\014cance) s 15 r (of) s 15 r (eac) s 0 r 104 c 14 r (of) s 15 r (its) s 16 r (comp) s 1 r (onen) s 0 r (ts) s 14 r (is) s 15 r (as) s 15 r (follo) s 0 r (ws.) s cmsy10.329 @sf 292 2452 p 15 c cmr10.329 @sf 23 r (Its) s cmbx10.329 @sf 15 r (part) s 0 r (yIden) s -2 r (tit) s -1 r 121 c cmr10.329 @sf 14 r (comp) s 1 r (onen) s 0 r 116 c 14 r (is) s 15 r (called) s 15 r (the) s cmti10.329 @sf 16 r (identity) s cmr10.329 @sf 15 r (of) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (11]) s @eop 10 @bop0 cmbx10.432 @sf [<01FF800007FFF0001FFFFC003FFFFE007F87FF007E01FF80FF80FFC0FF80FFC0FFC07FC0FFC07FE0FFC07FE0FFC07FE0FF80 7FE07F807FE03E007FE000007FE000007FE000007FE01E007FC01F00FFC01F80FF801FE1FF801FFFFF001FFFFE001FFFF800 1F7FE0001F0000001F0000001F0000001F0000001FFC00001FFF80001FFFE0001FFFF8001FFFFC001FFFFE001FFFFF001FFF FF001FFFFF001F807F001C000700> 32 41 -3 1 34.370] 53 @dc [<FFFF00000780FFFF00000F80FFFF00001F80FFFF00003F8003C000007F8003C000007F8003C00000FF8003C00001FF8003C0 0003FF8003C00007FF8003C00007FF8003C0000FFF8003C0001FFF8003C0003FFF8003C0007FFF8003C0007FFF8003C000FF F78003C001FFF78003C003FFE78003C007FFC78003C007FF878003C00FFF078003C01FFF078003C03FFE078003C03FFC0780 03C07FF8078003C0FFF0078003C1FFF0078003C3FFE0078003C3FFC0078003C7FF80078003CFFF00078003DFFF00078003FF FE00078003FFFC00078003FFF800078003FFF8000780FFFFF001FFFEFFFFE001FFFEFFFFC001FFFEFFFF8001FFFE> 48 41 -3 0 53.797] 78 @dc [<FFFF00F807FFFFC0FFFF00F807FFFFC0FFFF01FC07FFFFC0FFFF01FC07FFFFC003C001FC001FF00003C003FE001FF00003C0 03FE001FF00003C007FF001FF00003C007FF001FF00003C007FF001FF00003C00FFF801FF00003C00FFF801FF00003C01FF3 C01FF00003C01FF3C01FF00003C01FF3C01FF00003C03FE1E01FF00003C03FE1E01FF00003C07FC0F01FF00003C07FC0F01F F00003C07FC0F01FF00003C0FF80781FF00003C0FF80781FF00003C1FF003C1FF00003C1FF003C1FF00003C1FF003C1FF000 03C3FE001E1FF00003C3FE001E1FF00003C7FC000F1FF00003C7FC000F1FF00003C7FC000F1FF00003CFF800079FF00003CF F800079FF00003DFF00003DFF00003DFF00003DFF00003DFF00003DFF00003FFE00001FFF00003FFE00001FFF000FFFFC000 00FFFFC0FFFFC00000FFFFC0FFFFC00000FFFFC0FFFF8000007FFFC0> 64 41 -3 0 65.253] 77 @dc 10 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmsy10.329 @sf 292 307 p 15 c cmr10.329 @sf 23 r (the) s 15 r (size) s 15 r (of) s 16 r (the) s cmbx10.329 @sf 15 r (part) s -1 r (yPrivPriv) s -3 r (ate) s cmr10.329 @sf 14 r (comp) s 2 r (onen) s -1 r 116 c 15 r (is) s 15 r (16) s 338 364 p 111 c 1 r (ctets,) s 15 r (of) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (\014rst) s 16 r 56 c 15 r 111 c 1 r (ctets) s 15 r (are) s 15 r 97 c 15 r (DES) s 16 r 107 c -1 r (ey) s 14 r (and) s 16 r (the) s 338 420 p (second) s 15 r 56 c 15 r 111 c 1 r (ctets) s 16 r (are) s 15 r 97 c 15 r (DES) s 15 r (Initialization) s 15 r 86 c -3 r (ector.) s cmsy10.329 @sf 292 520 p 15 c cmr10.329 @sf 23 r (the) s 15 r (64) s 15 r (bit) s 16 r (DES) s 15 r 107 c -1 r (ey) s 15 r (in) s 15 r (the) s 15 r (\014rst) s 15 r 56 c 15 r 111 c 1 r (ctets) s 16 r (of) s cmbx10.329 @sf 338 576 p (part) s -1 r (yPrivPriv) s -3 r (ate) s cmr10.329 @sf 15 r (is) s 15 r 97 c 15 r (56) s 15 r (bit) s 15 r (quan) s 0 r (tit) s -1 r 121 c 14 r (used) s 15 r (directly) s 15 r 98 c 0 r 121 c 338 632 p (the) s 15 r (algorithm) s 15 r (plus) s 15 r 56 c 15 r (parit) s 0 r 121 c 14 r (bits,) s 15 r (with) s 16 r (one) s 15 r (parit) s -1 r 121 c 15 r (bit) s 15 r (in) s 338 689 p (the) s 15 r (least) s 15 r (signi\014can) s 0 r 116 c 14 r (bit) s 15 r (of) s 15 r (eac) s 0 r 104 c 14 r 111 c 1 r (ctet.) s 21 r (The) s 15 r (setting) s 15 r (of) s 15 r (the) s 338 745 p (parit) s 0 r 121 c 14 r (bits) s 15 r (is) s 15 r (ignored.) s cmsy10.329 @sf 292 845 p 15 c cmr10.329 @sf 23 r (the) s 15 r (length) s 15 r (of) s 16 r (the) s 15 r 111 c 1 r (ctet) s 15 r (sequence) s 15 r (to) s 15 r 98 c 2 r 101 c 15 r (encrypted) s 15 r 98 c 0 r 121 c 14 r (the) s 338 901 p (DES) s 14 r 109 c 0 r (ust) s 13 r 98 c 2 r 101 c 14 r (an) s 14 r (in) s 0 r (tegral) s 13 r 109 c 0 r (ultiple) s 14 r (of) s 14 r (8.) s 20 r (When) s 14 r (encrypting) s 338 958 p (the) s 15 r (data) s 15 r (should) s 15 r 98 c 2 r 101 c 15 r (padded) s 15 r (as) s 15 r (necessary;) s 15 r (the) s 15 r (actual) s 15 r (pad) s 338 1014 p 118 c -2 r (alue) s 14 r (is) s 16 r (insigni\014can) s -1 r (t.) s 338 1092 p (If) s 15 r (the) s 14 r (length) s 15 r (of) s 15 r (the) s 15 r 111 c 1 r (ctet) s 15 r (sequence) s 15 r (to) s 14 r 98 c 2 r 101 c 14 r (decrypted) s 15 r (is) s 15 r (not) s 338 1149 p (an) s 15 r (in) s 0 r (tegral) s 14 r 109 c 0 r (ultiple) s 14 r (of) s 15 r 56 c 15 r 111 c 1 r (ctets,) s 15 r (the) s 16 r (pro) s 1 r (cessing) s 15 r (of) s 15 r (the) s 338 1205 p 111 c 1 r (ctet) s 15 r (sequence) s 15 r (should) s 16 r 98 c 1 r 101 c 15 r (halted) s 15 r (and) s 15 r (an) s 15 r (appropriate) s 338 1262 p (exception) s 15 r (noted.) s 20 r (Up) s 1 r (on) s 16 r (decrypting) s 15 r (the) s 15 r (padding) s 15 r (should) s 338 1318 p 98 c 1 r 101 c 15 r (ignored.) s cmbx10.432 @sf 224 1509 p 53 c 69 r (SNMP) s 23 r 80 c -1 r (art) s -2 r 121 c cmr10.329 @sf 224 1652 p (Recall) s 15 r (from) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r 97 c cmti10.329 @sf 15 r (SNMP) s 16 r 112 c -1 r (arty) s cmr10.329 @sf 14 r (is) s 15 r 97 c 15 r (conceptual,) s 15 r (virtual) s 224 1708 p (execution) s 15 r (con) s 0 r (text) s 14 r (whose) s 14 r (op) s 2 r (eration) s 14 r (is) s 15 r (restricted) s 15 r (\(for) s 15 r (securit) s 0 r 121 c 13 r (or) s 224 1765 p (other) s 15 r (purp) s 2 r (oses\)) s 15 r (to) s 15 r (an) s 15 r (administrativ) s 0 r (ely) s 14 r (de\014ned) s 15 r (subset) s 15 r (of) s 15 r (all) s 224 1821 p 112 c 1 r (ossible) s 16 r (op) s 1 r (erations) s 15 r (of) s 15 r 97 c 15 r (particular) s 15 r (SNMP) s 16 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -2 r 121 c -3 r 46 c 19 r 65 c 224 1878 p (SNMP) s 15 r (proto) s 2 r (col) s 15 r (en) s -1 r (tit) s -1 r 121 c 14 r (is) s 15 r (an) s 16 r (actual) s 15 r (pro) s 1 r (cess) s 15 r (whic) s 0 r 104 c 14 r 112 c 1 r (erforms) s 224 1934 p (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s 0 r 116 c 14 r (op) s 1 r (erations) s 15 r 98 c 0 r 121 c 14 r (generating) s 15 r (and/or) s 224 1991 p (resp) s 1 r (onding) s 16 r (to) s 15 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (messages) s 15 r (in) s 16 r (the) s 15 r (manner) s 224 2047 p (sp) s 1 r (eci\014ed) s 16 r (in) s 15 r 91 c 0 r 49 c 0 r (].) s 20 r (Arc) s 0 r (hitecturally) s -4 r 44 c 14 r (ev) s 0 r (ery) s 14 r (SNMP) s 15 r (proto) s 1 r (col) s 15 r (en) s 0 r (tit) s -1 r 121 c 224 2104 p (main) s 0 r (tains) s 14 r 97 c 15 r (lo) s 1 r (cal) s 16 r (database) s 15 r (that) s 15 r (represen) s 0 r (ts) s 14 r (all) s 15 r (SNMP) s 15 r (parties) s 224 2160 p (kno) s 0 r (wn) s 14 r (to) s 15 r (it.) s 224 2257 p 65 c 15 r (SNMP) s 15 r (part) s 0 r 121 c 14 r (can) s 15 r 98 c 2 r 101 c 15 r (represen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r (an) s 15 r (ASN.1) s 15 r 118 c -2 r (alue) s 15 r (with) s 224 2313 p (the) s 15 r (follo) s 0 r (wing) s 14 r (syn) s 0 r (tax.) s cmbx10.329 @sf 299 2452 p (SnmpP) s 0 r (art) s -2 r 121 c 17 r (::=) s 17 r (SEQUENCE) s cmsy10.329 @sf 18 r 102 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 528 r ([P) s 0 r (age) s 14 r (10]) s @eop 9 @bop0 9 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.329 @sf 224 307 p (4.4.2) s 52 r (Symmetric) s 18 r (Encryption) s 17 r (Algorithm) s cmr10.329 @sf 224 441 p (In) s 15 r (supp) s 2 r (ort) s 15 r (of) s 15 r (data) s 15 r (con\014den) s 0 r (tialit) s -2 r 121 c -3 r 44 c 14 r (the) s 15 r (use) s 15 r (of) s 15 r (the) s 15 r (Data) s 224 498 p (Encryption) s 15 r (Standard) s 15 r (\(DES\)) s 16 r (in) s 15 r (the) s 15 r (Cipher) s 15 r (Blo) s 1 r 99 c 0 r 107 c 14 r (Chaining) s 224 554 p (mo) s 1 r (de) s 16 r (of) s 15 r (op) s 1 r (eration) s 15 r (is) s 15 r 99 c 0 r (hosen.) s 19 r (The) s 15 r (designated) s 16 r 112 c 1 r (ortion) s 15 r (of) s 15 r 97 c 224 611 p (SNMP) s 15 r (message) s 15 r (is) s 16 r (encrypted) s 15 r (and) s 15 r (included) s 15 r (as) s 15 r (part) s 15 r (of) s 16 r (the) s 224 667 p (message) s 15 r (sen) s 0 r 116 c 14 r (to) s 15 r (the) s 15 r (recipien) s 0 r (t.) s 224 767 p (Tw) s 0 r 111 c 14 r (organizations) s 15 r (ha) s 0 r 118 c -1 r 101 c 14 r (published) s 15 r (sp) s 1 r (eci\014cations) s 15 r (de\014ning) s 16 r (the) s 224 824 p (DES:) s 15 r (the) s 15 r (National) s 16 r (Institute) s 15 r (of) s 15 r (Standards) s 15 r (and) s 15 r 84 c -3 r (ec) s -1 r (hnology) s 224 880 p (\(NIST\)) s 15 r 91 c 0 r 53 c 0 r 93 c 15 r (and) s 16 r (the) s 15 r (American) s 15 r (National) s 15 r (Standards) s 15 r (Institute) s 15 r 91 c 0 r 54 c 0 r (].) s 224 937 p (There) s 15 r (is) s 15 r 97 c 16 r (companion) s 15 r (Mo) s 1 r (des) s 15 r (of) s 15 r (Op) s 2 r (eration) s 15 r (sp) s 1 r (eci\014cation) s 15 r (for) s 224 993 p (eac) s 0 r 104 c 14 r (de\014nition:) s 15 r 91 c 0 r 55 c 0 r 93 c 15 r (and) s 15 r 91 c 0 r 56 c 0 r (],) s 16 r (resp) s 1 r (ectiv) s 0 r (ely) s -4 r 46 c 224 1094 p (The) s 15 r (NIST) s 15 r (has) s 16 r (published) s 15 r (three) s 15 r (additional) s 15 r (do) s 1 r (cumen) s 0 r (ts) s 14 r (that) s 224 1150 p (implemen) s 0 r (tors) s 14 r (ma) s 0 r 121 c 14 r (\014nd) s 15 r (useful.) s cmsy10.329 @sf 292 1302 p 15 c cmr10.329 @sf 23 r (There) s 15 r (is) s 15 r 97 c 16 r (do) s 1 r (cumen) s 0 r 116 c 14 r (with) s 15 r (guidelines) s 15 r (for) s 15 r (implemen) s 0 r (ting) s 338 1358 p (and) s 15 r (using) s 15 r (the) s 15 r (DES,) s 15 r (including) s 16 r (functional) s 15 r (sp) s 1 r (eci\014cations) s 338 1415 p (for) s 15 r (the) s 15 r (DES) s 15 r (and) s 15 r (its) s 16 r (mo) s 1 r (des) s 15 r (of) s 15 r (op) s 1 r (eration) s 16 r 91 c 0 r 57 c 0 r (].) s cmsy10.329 @sf 292 1528 p 15 c cmr10.329 @sf 23 r (There) s 15 r (is) s 15 r 97 c 16 r (sp) s 1 r (eci\014cation) s 15 r (of) s 15 r 97 c 15 r 118 c -1 r (alidation) s 14 r (test) s 15 r (suite) s 15 r (for) s 15 r (the) s 338 1584 p (DES) s 15 r 91 c 0 r (10) s 0 r (].) s 20 r (The) s 15 r (suite) s 15 r (is) s 16 r (designed) s 15 r (to) s 15 r (test) s 15 r (all) s 15 r (asp) s 1 r (ects) s 16 r (of) s 15 r (the) s 338 1641 p (DES) s 15 r (and) s 15 r (is) s 15 r (useful) s 15 r (for) s 16 r (pinp) s 1 r (oin) s 0 r (ting) s 14 r (sp) s 1 r (eci\014c) s 15 r (problems.) s cmsy10.329 @sf 292 1753 p 15 c cmr10.329 @sf 23 r (There) s 15 r (is) s 15 r 97 c 16 r (sp) s 1 r (eci\014cation) s 15 r (of) s 15 r 97 c 15 r (main) s 0 r (tenance) s 14 r (test) s 15 r (for) s 15 r (the) s 338 1810 p (DES) s 15 r 91 c 0 r (11) s 0 r (].) s 20 r (The) s 15 r (test) s 15 r (utilizes) s 16 r 97 c 15 r (minimal) s 15 r (amoun) s 0 r 116 c 14 r (of) s 15 r (data) s 338 1866 p (and) s 15 r (pro) s 1 r (cessing) s 15 r (to) s 16 r (test) s 15 r (all) s 15 r (comp) s 1 r (onen) s 0 r (ts) s 14 r (of) s 15 r (the) s 15 r (DES.) s 15 r (It) s 338 1923 p (pro) s 0 r (vides) s 14 r 97 c 15 r (simple) s 15 r 121 c 0 r (es) s 14 r (or) s 15 r (no) s 15 r (indication) s 15 r (of) s 15 r (correct) s 338 1979 p (op) s 1 r (eration) s 15 r (and) s 15 r (is) s 16 r (useful) s 15 r (to) s 15 r (run) s 15 r (as) s 15 r (part) s 15 r (of) s 15 r (an) s 16 r (initialization) s 338 2036 p (step,) s 15 r (e.g.,) s 15 r (when) s 15 r 97 c 15 r (computer) s 16 r (reb) s 1 r 111 c 1 r (ots.) s 224 2188 p (When) s 15 r (used) s 15 r (in) s 16 r (conjunction) s 15 r (with) s 15 r (the) s 15 r (Symmetric) s 15 r (Priv) s -1 r (acy) s 224 2244 p (Proto) s 1 r (col) s 16 r (\(see) s 15 r (Section) s 15 r (7\):) s cmsy10.329 @sf 292 2396 p 15 c cmr10.329 @sf 23 r (this) s 15 r (mec) s 0 r (hanism) s 14 r (is) s 15 r (iden) s 0 r (ti\014ed) s 14 r 98 c 0 r 121 c 14 r (the) s 15 r (ASN.1) s 15 r (ob) s 3 r (ject) s 338 2452 p (iden) s 0 r (ti\014er) s 14 r 118 c -2 r (alue) s cmbx10.329 @sf 14 r (desPrivProto) s 2 r (col) s cmr10.329 @sf 0 r 44 c 15 r (de\014ned) s 15 r (in) s 15 r 91 c 0 r 52 c 0 r (].) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (9]) s @eop 8 @bop0 8 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (algorithm.) s 20 r (The) s 16 r (principal) s 15 r (reason) s 15 r (for) s 15 r (this) s 15 r (is) s 15 r (to) s 15 r (ac) s 0 r (kno) s -1 r (wledge) s 14 r (the) s 224 364 p (lac) s 0 r 107 c 14 r (of) s 15 r 97 c 15 r (suitable) s 15 r (metric) s 16 r (with) s 15 r (whic) s 0 r 104 c 14 r (to) s 15 r (measure) s 15 r (the) s 15 r (securit) s 0 r 121 c 14 r (of) s 224 420 p 97 c 15 r (particular) s 15 r 99 c 0 r (hoice) s 14 r (of) s 15 r (an) s 16 r (algorithm.) s 20 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 14 r (in) s 15 r (the) s 16 r (in) s -1 r (terests) s 224 477 p (of) s 15 r (completeness) s 15 r (and) s 16 r (in) s 15 r (order) s 15 r (to) s 15 r (guaran) s 0 r (tee) s 14 r (in) s 0 r (terop) s 0 r (erabilit) s 0 r 121 c -4 r 44 c 224 533 p (Sections) s 15 r (4.4.1) s 15 r (and) s 16 r (4.4.2) s 15 r (sp) s 1 r (ecify) s 15 r (particular) s 15 r 99 c 0 r (hoices,) s 14 r (whic) s 0 r 104 c 14 r (are) s 224 589 p (considered) s 15 r (acceptably) s 15 r (secure) s 16 r (as) s 15 r (of) s 15 r (this) s 15 r (writing.) s 20 r (In) s 15 r (the) s 16 r (future) s 224 646 p (this) s 15 r (memo) s 15 r (ma) s 0 r 121 c 14 r 98 c 2 r 101 c 15 r (up) s 1 r (dated) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (publication) s 15 r (of) s 16 r 97 c 15 r (memo) s 224 702 p (sp) s 1 r (ecifying) s 16 r (substitute) s 15 r (or) s 15 r (alternate) s 15 r 99 c 0 r (hoices) s 14 r (of) s 15 r (algorithms,) s 15 r (i.e.,) s 15 r 97 c 224 759 p (replacemen) s 0 r 116 c 14 r (for) s 15 r (or) s 15 r (addition) s 15 r (to) s 16 r (the) s 15 r (sections) s 15 r 98 c 1 r (elo) s 0 r (w.) s cmbx10.329 @sf 224 958 p (4.4.1) s 52 r (Message) s 18 r (Digest) s 17 r (Algorithm) s cmr10.329 @sf 224 1097 p (In) s 15 r (supp) s 2 r (ort) s 15 r (of) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -2 r 121 c -3 r 44 c 14 r (the) s 15 r (use) s 15 r (of) s 15 r (the) s 15 r (MD5) s 16 r 91 c 0 r 51 c 0 r 93 c 15 r (message) s 224 1153 p (digest) s 15 r (algorithm) s 15 r (is) s 16 r 99 c -1 r (hosen.) s 20 r 65 c 15 r (128-bit) s 15 r (digest) s 15 r (is) s 15 r (calculated) s 15 r 111 c 0 r 118 c -1 r (er) s 224 1210 p (the) s 15 r (designated) s 15 r 112 c 2 r (ortion) s 15 r (of) s 15 r 97 c 15 r (SNMP) s 15 r (message) s 15 r (and) s 16 r (included) s 15 r (as) s 224 1266 p (part) s 15 r (of) s 15 r (the) s 16 r (message) s 15 r (sen) s -1 r 116 c 15 r (to) s 15 r (the) s 15 r (recipien) s 0 r (t.) s 224 1369 p (An) s 15 r (app) s 2 r (endix) s 15 r (of) s 15 r 91 c 0 r 51 c 0 r 93 c 15 r (con) s 0 r (tains) s 14 r 97 c 15 r 67 c 15 r (Programming) s 15 r (Language) s 224 1425 p 118 c 0 r (ersion) s 14 r (of) s 15 r (source) s 15 r (co) s 2 r (de) s 15 r (that) s 15 r (implemen) s 0 r (ts) s 14 r (the) s 15 r (algorithm.) s 20 r (This) s 224 1482 p (co) s 1 r (de) s 16 r 119 c -1 r (as) s 14 r (written) s 16 r (with) s 15 r 112 c 1 r (ortabilit) s 0 r 121 c 14 r 98 c 1 r (eing) s 15 r (the) s 15 r (principal) s 224 1538 p (ob) s 3 r (jectiv) s -1 r (e.) s 20 r (Implemen) s -1 r (tors) s 15 r (ma) s -1 r 121 c 14 r (wish) s 16 r (to) s 15 r (consider) s 15 r (optimizing) s 15 r (the) s 224 1595 p (implemen) s 0 r (tation) s 14 r (with) s 15 r (resp) s 1 r (ect) s 16 r (to) s 15 r (the) s 15 r 99 c 0 r (haracteristics) s 14 r (of) s 15 r (their) s 224 1651 p (hardw) s 0 r (are) s 14 r (and) s 15 r (soft) s 0 r 119 c -1 r (are) s 14 r (platforms.) s 224 1754 p (When) s 15 r (used) s 15 r (in) s 16 r (conjunction) s 15 r (with) s 15 r (the) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 224 1810 p (Proto) s 1 r (col) s 16 r (\(see) s 15 r (Section) s 15 r (6\):) s cmsy10.329 @sf 292 1971 p 15 c cmr10.329 @sf 23 r (this) s 15 r (mec) s 0 r (hanism) s 14 r (is) s 15 r (iden) s 0 r (ti\014ed) s 14 r 98 c 0 r 121 c 14 r (the) s 15 r (ASN.1) s 15 r (ob) s 3 r (ject) s 338 2028 p (iden) s 0 r (ti\014er) s 14 r 118 c -2 r (alue) s cmbx10.329 @sf 14 r (md5AuthProto) s 2 r (col) s cmr10.329 @sf 0 r 44 c 15 r (de\014ned) s 15 r (in) s 15 r 91 c 0 r 52 c 0 r (].) s cmsy10.329 @sf 292 2150 p 15 c cmr10.329 @sf 23 r (the) s 15 r (size) s 15 r (of) s 16 r (the) s cmbx10.329 @sf 15 r (part) s -1 r (yAuthPriv) s -3 r (ate) s cmr10.329 @sf 14 r (comp) s 2 r (onen) s -1 r 116 c 15 r (of) s 15 r (eac) s 0 r 104 c cmbx10.329 @sf 338 2206 p (SnmpP) s -1 r (art) s -1 r 121 c cmr10.329 @sf 14 r (\(see) s 15 r (Section) s 15 r (5\)) s 15 r (that) s 16 r (sp) s 1 r (eci\014es) s 15 r (the) s 15 r (use) s 15 r (of) s cmbx10.329 @sf 338 2263 p (md5AuthProto) s 1 r (col) s cmr10.329 @sf 15 r (is) s 16 r (16) s 15 r 111 c 1 r (ctets.) s cmsy10.329 @sf 292 2385 p 15 c cmr10.329 @sf 23 r (the) s 15 r (size) s 15 r (of) s 16 r (the) s cmbx10.329 @sf 15 r (authDigest) s cmr10.329 @sf 15 r (comp) s 1 r (onen) s 0 r 116 c 14 r (of) s 15 r (an) s cmbx10.329 @sf 338 2441 p (AuthInformation) s cmr10.329 @sf 15 r 118 c -2 r (alue) s 15 r (\(see) s 15 r (Section) s 15 r (6\)) s 15 r (is) s 15 r (16) s 15 r 111 c 2 r (ctets.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (8]) s @eop 7 @bop0 7 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (in) s 0 r (tegrit) s -1 r 121 c 14 r (without) s 15 r (data) s 15 r (origin) s 15 r (authen) s 0 r (tication,) s 14 r (nor) s 15 r (is) s 15 r (it) s 16 r 112 c 1 r (ossible) s 224 364 p (to) s 15 r (realize) s 15 r (data) s 16 r (origin) s 15 r (authen) s -1 r (tication) s 15 r (without) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -2 r 121 c -3 r 46 c 224 420 p 70 c -3 r (urther,) s 15 r (there) s 15 r (is) s 15 r (no) s 15 r (pro) s 0 r (vision) s 14 r (for) s 15 r (data) s 15 r (con\014den) s 0 r (tialit) s -1 r 121 c 14 r (without) s 224 477 p 98 c 1 r (oth) s 16 r (data) s 15 r (in) s -1 r (tegrit) s -1 r 121 c 14 r (and) s 15 r (data) s 16 r (origin) s 15 r (authen) s 0 r (tication.) s cmbx12.300 @sf 224 640 p (4.4) s 56 r (Mec) s 0 r (hanisms) s cmr10.329 @sf 224 766 p (The) s 15 r 116 c 0 r (yp) s 0 r (es) s 15 r (of) s 16 r (mec) s -1 r (hanisms) s 14 r (required) s 16 r (to) s 15 r (supp) s 1 r (ort) s 15 r (eac) s 0 r 104 c 14 r (of) s 15 r (the) s 224 823 p (securit) s 0 r 121 c 14 r (services) s 15 r (and) s 15 r (goals) s 15 r (of) s 16 r (the) s 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 224 879 p (de\014ned) s 15 r (in) s 15 r (this) s 16 r (memo) s 15 r (are) s 15 r (as) s 15 r (follo) s 0 r (ws.) s cmsy10.329 @sf 292 1014 p 15 c cmr10.329 @sf 23 r (In) s 15 r (supp) s 1 r (ort) s 16 r (of) s 15 r (data) s 15 r (in) s 0 r (tegrit) s -2 r 121 c -3 r 44 c 14 r 97 c 15 r (message) s 15 r (digest) s 15 r (algorithm) s 338 1070 p (is) s 15 r (required.) s 20 r 65 c 15 r (digest) s 15 r (is) s 16 r (calculated) s 15 r 111 c -1 r 118 c -1 r (er) s 14 r (an) s 16 r (appropriate) s 338 1127 p 112 c 1 r (ortion) s 15 r (of) s 15 r 97 c 16 r (SNMP) s 15 r (message) s 15 r (and) s 15 r (included) s 15 r (as) s 15 r (part) s 15 r (of) s 16 r (the) s 338 1183 p (message) s 15 r (sen) s 0 r 116 c 14 r (to) s 15 r (the) s 15 r (recipien) s 0 r (t.) s cmsy10.329 @sf 292 1279 p 15 c cmr10.329 @sf 23 r (In) s 15 r (supp) s 1 r (ort) s 16 r (of) s 15 r (data) s 15 r (origin) s 15 r (authen) s 0 r (tication) s 14 r (and) s 15 r (data) s 338 1336 p (in) s 0 r (tegrit) s -2 r 121 c -4 r 44 c 15 r (the) s 15 r 112 c 1 r (ortion) s 15 r (of) s 15 r 97 c 15 r (SNMP) s 16 r (message) s 15 r (that) s 15 r (is) s 338 1392 p (digested) s 15 r (is) s 15 r (\014rst) s 15 r (pre\014xed) s 15 r (with) s 16 r 97 c 15 r (secret) s 15 r 118 c -2 r (alue) s 14 r (shared) s 16 r 98 c -1 r 121 c 338 1448 p (the) s 15 r (originator) s 15 r (of) s 14 r (that) s 15 r (message) s 15 r (and) s 15 r (its) s 15 r (in) s 0 r (tended) s 14 r (recipien) s -1 r (t.) s cmsy10.329 @sf 292 1544 p 15 c cmr10.329 @sf 23 r 84 c -3 r 111 c 14 r (protect) s 16 r (against) s 15 r (the) s 15 r (threat) s 15 r (of) s 15 r (message) s 15 r (reordering,) s 15 r 97 c 338 1601 p (timestamp) s 15 r 118 c -2 r (alue) s 15 r (is) s 15 r (included) s 15 r (in) s 15 r (eac) s 0 r 104 c 14 r (message) s 15 r (generated.) s 338 1657 p 65 c 15 r (recipien) s 0 r 116 c 14 r (ev) s -2 r (aluates) s 14 r (the) s 16 r (timestamp) s 15 r (to) s 15 r (determine) s 15 r (if) s 15 r (the) s 338 1714 p (message) s 15 r (is) s 15 r (recen) s 0 r 116 c 14 r (and) s 15 r (it) s 15 r (uses) s 15 r (the) s 16 r (timestamp) s 15 r (to) s 338 1770 p (determine) s 15 r (if) s 15 r (the) s 15 r (message) s 15 r (is) s 16 r (ordered) s 15 r (relativ) s -1 r 101 c 15 r (to) s 15 r (other) s 338 1827 p (messages) s 15 r (it) s 15 r (has) s 15 r (receiv) s 0 r (ed.) s 19 r (In) s 15 r (conjunction) s 15 r (with) s 16 r (other) s 338 1883 p (readily) s 15 r 97 c 0 r 118 c -3 r (ailable) s 14 r (information) s 15 r (\(e.g.,) s 16 r (the) s 15 r (request-id\),) s 15 r (the) s 338 1939 p (timestamp) s 14 r (also) s 15 r (indicates) s 14 r (whether) s 15 r (or) s 14 r (not) s 14 r (the) s 15 r (message) s 14 r (is) s 15 r 97 c 338 1996 p (repla) s 0 r 121 c 14 r (of) s 15 r 97 c 15 r (previous) s 15 r (message.) s cmsy10.329 @sf 292 2092 p 15 c cmr10.329 @sf 23 r (In) s 15 r (supp) s 1 r (ort) s 16 r (of) s 15 r (data) s 15 r (con\014den) s 0 r (tialit) s -2 r 121 c -3 r 44 c 14 r 97 c 15 r (symmetric) s 338 2148 p (encryption) s 15 r (algorithm) s 15 r (is) s 15 r (required.) s 20 r (An) s 16 r (appropriate) s 338 2205 p 112 c 1 r (ortion) s 15 r (of) s 15 r (the) s 16 r (message) s 15 r (is) s 15 r (encrypted) s 15 r (prior) s 15 r (to) s 15 r 98 c 2 r (eing) s 338 2261 p (transmitted) s 15 r (to) s 15 r (its) s 15 r (recipien) s 0 r (t.) s 224 2396 p (The) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 16 r (in) s 15 r (this) s 15 r (memo) s 15 r (are) s 15 r (de\014ned) s 15 r (indep) s 2 r (enden) s -1 r 116 c 224 2452 p (of) s 15 r (the) s 15 r (particular) s 16 r 99 c -1 r (hoice) s 14 r (of) s 16 r 97 c 15 r (message) s 15 r (digest) s 15 r (and) s 15 r (encryption) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (7]) s @eop 6 @bop0 cmr10.329 @sf [<FFE7FF00FFE7FF00FFE7FF000F81F0000F81F0000F81F0000F81F0000F81F0000F81F0000F81F0000F81F0000F81F0000F81 F0000F81F0000F81F0000F81F0000F81F000FFFFF000FFFFF000FFFFF0000F81F0000F81F0000F81F0000F81F0000F81F000 0F81F0000FC3F00007C3F00007E3F00003F3F00001FFF000007FF000000FC000> 32 33 0 0 25.252] 13 @dc 6 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (In) s 15 r (addition) s 15 r (to) s 16 r (the) s 15 r (principal) s 15 r (goal) s 15 r (of) s 15 r (supp) s 1 r (orting) s 16 r (secure) s 15 r (net) s 0 r 119 c -2 r (ork) s 224 364 p (managemen) s 0 r (t,) s 14 r (the) s 14 r (design) s 15 r (of) s 14 r (an) s 0 r 121 c 13 r (SNMP) s 15 r (securit) s 0 r 121 c 13 r (proto) s 2 r (col) s 14 r (is) s 15 r (also) s 224 420 p (in\015uenced) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (follo) s 0 r (wing) s 14 r (constrain) s 0 r (ts:) s 280 554 p (1.) s 22 r (When) s 15 r (the) s 15 r (requiremen) s 0 r (ts) s 13 r (of) s 15 r (e\013ectiv) s 0 r 101 c 14 r (managemen) s -1 r 116 c 14 r (in) s 15 r (times) s 338 611 p (of) s 15 r (net) s 0 r 119 c -2 r (ork) s 15 r (stress) s 15 r (are) s 15 r (inconsisten) s 0 r 116 c 14 r (with) s 15 r (those) s 15 r (of) s 15 r (securit) s 0 r 121 c -4 r 44 c 338 667 p (the) s 15 r (former) s 15 r (are) s 15 r (preferred.) s 280 763 p (2.) s 22 r (Neither) s 16 r (the) s 15 r (securit) s -1 r 121 c 15 r (proto) s 1 r (col) s 15 r (nor) s 15 r (its) s 15 r (underlying) s 15 r (securit) s 0 r 121 c 338 819 p (mec) s 0 r (hanisms) s 14 r (should) s 15 r (dep) s 1 r (end) s 15 r (up) s 2 r (on) s 15 r (the) s 15 r (ready) s 15 r 97 c 0 r 118 c -3 r (ailabilit) s -1 r 121 c 338 876 p (of) s 15 r (other) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (services) s 15 r (\(e.g.,) s 15 r (Net) s 0 r 119 c -2 r (ork) s 15 r (Time) s 15 r (Proto) s 1 r (col) s 338 932 p (\(NTP\)) s 15 r (or) s 15 r (secret/k) s 0 r (ey) s 14 r (managemen) s 0 r 116 c 14 r (proto) s 1 r (cols\).) s 280 1027 p (3.) s 22 r 65 c 16 r (securit) s -1 r 121 c 14 r (mec) s 0 r (hanism) s 14 r (should) s 16 r (en) s -1 r (tail) s 14 r (no) s 16 r 99 c -1 r (hanges) s 14 r (to) s 16 r (the) s 338 1084 p (basic) s 15 r (SNMP) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s -1 r 116 c 15 r (philosoph) s -1 r 121 c -3 r 46 c cmbx12.300 @sf 224 1247 p (4.3) s 56 r (Securit) s 0 r 121 c 17 r (Services) s cmr10.329 @sf 224 1372 p (The) s 15 r (securit) s 0 r 121 c 14 r (services) s 15 r (necessary) s 15 r (to) s 16 r (supp) s 1 r (ort) s 15 r (the) s 15 r (goals) s 15 r (of) s 16 r (the) s 224 1429 p (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 16 r (are) s 15 r (as) s 15 r (follo) s 0 r (ws.) s cmbx10.329 @sf 224 1563 p (Data) s 18 r (In) s -1 r (tegrit) s -1 r 121 c -5 r 46 c cmr10.329 @sf 22 r (The) s 15 r (pro) s 0 r (vision) s 14 r (of) s 15 r (the) s 15 r (prop) s 2 r (ert) s -1 r 121 c 15 r (that) s 15 r (data) s 15 r (and) s 338 1619 p (data) s 15 r (sequences) s 15 r (ha) s 0 r 118 c -1 r 101 c 14 r (not) s 15 r 98 c 1 r (een) s 15 r (altered) s 15 r (or) s 16 r (destro) s -1 r 121 c -1 r (ed) s 14 r (in) s 15 r (an) s 338 1676 p (unauthorized) s 15 r (manner.) s 20 r (\(This) s 15 r (service) s 15 r (is) s 16 r (not) s 15 r (in) s -1 r (tended) s 15 r (to) s 338 1732 p (con) s 0 r (tradict) s 14 r (Goal) s 15 r (4,) s 15 r (whic) s 0 r 104 c 14 r (requires) s cmti10.329 @sf 15 r (late) s cmr10.329 @sf 15 r (messages) s 15 r (to) s 15 r 98 c 2 r 101 c 338 1789 p (discarded) s 15 r (\(see) s 15 r (Section) s 15 r (9\).\)) s cmbx10.329 @sf 224 1884 p (Data) s 18 r (Origin) s 17 r (Authen) s 0 r (tication.) s cmr10.329 @sf 21 r (The) s 15 r (pro) s 0 r (vision) s 14 r (of) s 15 r (the) s 338 1941 p (prop) s 1 r (ert) s 0 r 121 c 14 r (that) s 15 r (the) s 15 r (claimed) s 15 r (origin) s 16 r (of) s 15 r (receiv) s -1 r (ed) s 15 r (data) s 15 r (is) s 338 1997 p (corrob) s 1 r (orated.) s cmbx10.329 @sf 224 2092 p (Data) s 18 r (Con\014den) s -1 r (tialit) s -1 r 121 c -5 r 46 c cmr10.329 @sf 22 r (The) s 15 r (pro) s 0 r (vision) s 14 r (of) s 15 r (the) s 15 r (prop) s 2 r (ert) s -1 r 121 c 15 r (that) s 338 2149 p (information) s 15 r (is) s 15 r (not) s 15 r (made) s 15 r 97 c 0 r 118 c -2 r (ailable) s 14 r (or) s 15 r (disclosed) s 15 r (to) s 338 2205 p (unauthorized) s 15 r (individuals,) s 15 r (en) s 0 r (tities) s 14 r (or) s 15 r (pro) s 1 r (cesses.) s 224 2340 p (The) s 15 r (proto) s 2 r (cols) s 15 r (sp) s 1 r (eci\014ed) s 15 r (in) s 15 r (this) s 15 r (memo) s 16 r (require) s 15 r 98 c 1 r (oth) s 15 r (data) s 224 2396 p (in) s 0 r (tegrit) s -1 r 121 c 14 r (and) s 15 r (data) s 15 r (origin) s 15 r (authen) s 0 r (tication) s 14 r (to) s 15 r 98 c 2 r 101 c 15 r (used) s 15 r (at) s 15 r (all) s 224 2452 p (times.) s 20 r 70 c -2 r (or) s 14 r (these) s 15 r (proto) s 1 r (cols,) s 15 r (it) s 15 r (is) s 16 r (not) s 15 r 112 c 1 r (ossible) s 15 r (to) s 15 r (realize) s 15 r (data) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (6]) s @eop 5 @bop0 cmbx10.329 @sf [<7FF8FFE3FFC07FF8FFE3FFC07FF8FFE3FFC07FF8FFE3FFC00FE03F80FE000FE03F80FE000FE03F80FE000FE03F80FE000FE0 3F80FE000FE03F80FE000FE03F80FE000FE03F80FE000FE03F80FE000FE03F80FE000FE03F80FE000FE03F80FE00FFFFFFFF FE00FFFFFFFFFE00FFFFFFFFFE00FFFFFFFFFE000FE03F87FE000FE03F8000000FE07F80F8000FE07F81FC000FE0FF81FC00 0FE0FF83FE000FF0FFC1FC0007F8FFE1FC0003FC7FF9FC0001FFFFFFFC00007FFFFFF8000007FC1FF000> 48 32 0 0 43.559] 14 @dc cmbx12.300 @sf [<03FC7FE00FFFFFE01FFFFFE03FC3FFE07F80FF007F007F007F007F00FF007F00FF007F00FF007F00FF007F00FF007F00FF00 7F00FF007F00FF007F007F007F007F007F007F80FF003FC3FF001FFFFF000FFFFF0003FE7F0000007F0000007F0000007F00 00007F0000007F0000007F0000007F0000007F0000007F000003FF000003FF000003FF000003FF00> 32 35 -2 0 31.133] 100 @dc 5 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (service) s 15 r (to) s 15 r (authorized) s 15 r (parties) s 15 r (is) s 16 r (denied.) s 20 r (Indeed,) s 15 r (suc) s 0 r 104 c 338 364 p (denial-of-service) s 15 r (attac) s 0 r (ks) s 14 r (are) s 15 r (in) s 15 r (man) s 0 r 121 c 14 r (cases) s 338 420 p (indistinguishable) s 15 r (from) s 15 r (the) s 15 r 116 c 0 r (yp) s 0 r 101 c 15 r (of) s 16 r (net) s -1 r 119 c -1 r (ork) s 14 r (failures) s 15 r (with) s 338 477 p (whic) s 0 r 104 c 14 r (an) s -1 r 121 c 15 r (viable) s 15 r (net) s -1 r 119 c -1 r (ork) s 14 r (managemen) s 0 r 116 c 14 r (proto) s 1 r (col) s 16 r 109 c -1 r (ust) s 338 533 p (cop) s 1 r 101 c 15 r (as) s 15 r 97 c 16 r (matter) s 15 r (of) s 15 r (course.) s cmbx10.329 @sf 224 629 p 84 c -3 r (ra\016c) s 16 r (Analysis) s cmr10.329 @sf 23 r (In) s 14 r (addition,) s 15 r 97 c 14 r (SNMP) s 14 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 14 r (need) s 338 685 p (not) s 15 r (attempt) s 15 r (to) s 15 r (address) s 15 r (tra\016c) s 16 r (analysis) s 15 r (attac) s -1 r (ks.) s 20 r (Indeed,) s 338 742 p (man) s 0 r 121 c 14 r (tra\016c) s 15 r (patterns) s 15 r (are) s 15 r (predictable) s 15 r 124 c 15 r (agen) s 0 r (ts) s 14 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 338 798 p (managed) s 15 r (on) s 15 r 97 c 15 r (regular) s 15 r (basis) s 16 r 98 c -1 r 121 c 14 r 97 c 16 r (relativ) s -1 r (ely) s 14 r (small) s 16 r 110 c -1 r (um) s -1 r 98 c 0 r (er) s 338 855 p (of) s 15 r (managemen) s 0 r 116 c 14 r (stations) s 15 r 124 c 15 r (and) s 15 r (therefore) s 15 r (there) s 16 r (is) s 15 r (no) s 338 911 p (signi\014can) s 0 r 116 c 14 r (adv) s -2 r (an) s -1 r (tage) s 14 r (a\013orded) s 15 r 98 c 0 r 121 c 14 r (protecting) s 15 r (against) s 338 967 p (tra\016c) s 15 r (analysis.) s cmbx12.300 @sf 224 1131 p (4.2) s 56 r (Goals) s 19 r (and) s 19 r (Constrain) s -1 r (ts) s cmr10.329 @sf 224 1257 p (Based) s 15 r (on) s 15 r (the) s 16 r (foregoing) s 15 r (accoun) s -1 r 116 c 15 r (of) s 15 r (threats) s 15 r (in) s 15 r (the) s 15 r (SNMP) s 224 1313 p (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s 0 r 116 c 14 r (en) s -1 r (vironmen) s -1 r (t,) s 14 r (the) s 15 r (goals) s 16 r (of) s 15 r 97 c 15 r (SNMP) s 224 1370 p (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 15 r (are) s 16 r (en) s -1 r (umerated) s 14 r 98 c 2 r (elo) s -1 r (w.) s 280 1505 p (1.) s 22 r (The) s 16 r (proto) s 1 r (col) s 15 r (should) s 15 r (pro) s 0 r (vide) s 14 r (for) s 15 r 118 c 0 r (eri\014cation) s 14 r (that) s 15 r (eac) s 0 r 104 c 338 1561 p (receiv) s 0 r (ed) s 14 r (SNMP) s 15 r (message) s 15 r (has) s 15 r (not) s 15 r 98 c 2 r (een) s 15 r (mo) s 1 r (di\014ed) s 15 r (during) s 338 1618 p (its) s 15 r (transmission) s 15 r (through) s 15 r (the) s 15 r (net) s 0 r 119 c -1 r (ork.) s 280 1713 p (2.) s 22 r (The) s 16 r (proto) s 1 r (col) s 15 r (should) s 15 r (pro) s 0 r (vide) s 14 r (for) s 15 r 118 c 0 r (eri\014cation) s 14 r (of) s 15 r (the) s 338 1770 p (iden) s 0 r (tit) s -2 r 121 c 14 r (of) s 16 r (the) s 15 r (originator) s 15 r (of) s 15 r (eac) s 0 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (SNMP) s 338 1826 p (message.) s 280 1922 p (3.) s 22 r (The) s 16 r (proto) s 1 r (col) s 15 r (should) s 15 r (pro) s 0 r (vide) s 14 r (that) s 15 r (the) s 15 r (apparen) s 0 r 116 c 14 r (time) s 15 r (of) s 338 1979 p (generation) s 15 r (for) s 15 r (eac) s 0 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (SNMP) s 15 r (message) s 15 r (is) s 15 r (recen) s 0 r (t.) s 280 2074 p (4.) s 22 r (The) s 16 r (proto) s 1 r (col) s 15 r (should) s 15 r (pro) s 0 r (vide) s 14 r (that) s 15 r (the) s 15 r (apparen) s 0 r 116 c 14 r (time) s 15 r (of) s 338 2131 p (generation) s 15 r (for) s 15 r (eac) s 0 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (SNMP) s 15 r (message) s 15 r (is) s 338 2187 p (subsequen) s 0 r 116 c 14 r (to) s 15 r (that) s 15 r (for) s 15 r (all) s 15 r (previously) s 15 r (deliv) s 0 r (ered) s 14 r (messages) s 338 2244 p (of) s 15 r (similar) s 15 r (origin.) s 280 2340 p (5.) s 22 r (The) s 16 r (proto) s 1 r (col) s 15 r (should) s 15 r (pro) s 0 r (vide,) s 14 r (when) s 15 r (necessary) s -3 r 44 c 15 r (that) s 15 r (the) s 338 2396 p (con) s 0 r (ten) s -2 r (ts) s 14 r (of) s 16 r (eac) s -1 r 104 c 14 r (receiv) s 0 r (ed) s 14 r (SNMP) s 15 r (message) s 16 r (are) s 15 r (protected) s 338 2452 p (from) s 15 r (disclosure.) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (5]) s @eop 4 @bop0 4 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 338 307 p (the) s 15 r (danger) s 15 r (that) s 15 r (some) s 15 r (part) s 0 r 121 c 14 r (ma) s 0 r 121 c 14 r (alter) s 15 r (in-transit) s 338 364 p (messages) s 15 r (generated) s 15 r 98 c 0 r 121 c 14 r (an) s 15 r (authorized) s 15 r (part) s 0 r 121 c 14 r (in) s 15 r (suc) s 0 r 104 c 14 r 97 c 338 420 p 119 c 0 r 97 c -2 r 121 c 14 r (as) s 16 r (to) s 15 r (e\013ect) s 15 r (unauthorized) s 15 r (managemen) s 0 r 116 c 14 r (op) s 1 r (erations,) s 338 477 p (including) s 15 r (falsifying) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (an) s 15 r (ob) s 3 r (ject.) s cmbx10.329 @sf 224 567 p (Masquerade.) s cmr10.329 @sf 23 r (The) s 15 r (SNMP) s 15 r (administrativ) s 0 r 101 c 14 r (mo) s 1 r (del) s 15 r (includes) s 16 r (an) s 338 623 p (access) s 15 r (con) s 0 r (trol) s 14 r (mo) s 1 r (del.) s 20 r (Access) s 15 r (con) s 0 r (trol) s 14 r (necessarily) s 15 r (dep) s 2 r (ends) s 338 680 p (on) s 15 r (kno) s 0 r (wledge) s 14 r (of) s 15 r (the) s 15 r (origin) s 15 r (of) s 15 r 97 c 16 r (message.) s 20 r (The) s 338 736 p (masquerade) s 15 r (threat) s 15 r (is) s 15 r (the) s 15 r (danger) s 16 r (that) s 15 r (managemen) s -1 r 116 c 338 793 p (op) s 1 r (erations) s 15 r (not) s 15 r (authorized) s 16 r (for) s 15 r (some) s 15 r (part) s 0 r 121 c 14 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 338 849 p (attempted) s 15 r 98 c 0 r 121 c 14 r (that) s 15 r (part) s 0 r 121 c 14 r 98 c 0 r 121 c 14 r (assuming) s 15 r (the) s 15 r (iden) s 0 r (tit) s -1 r 121 c 14 r (of) s 338 906 p (another) s 15 r (part) s 0 r 121 c 14 r (that) s 15 r (has) s 15 r (the) s 15 r (appropriate) s 15 r (authorizations.) s 224 1030 p (Tw) s 0 r 111 c 14 r (secondary) s 15 r (threats) s 15 r (are) s 15 r (also) s 16 r (iden) s -1 r (ti\014ed.) s 20 r (The) s 15 r (securit) s -1 r 121 c 224 1086 p (proto) s 1 r (cols) s 16 r (de\014ned) s 15 r (in) s 15 r (this) s 15 r (memo) s 15 r (do) s 15 r (pro) s 0 r (vide) s 14 r (protection) s 15 r (against:) s cmbx10.329 @sf 224 1210 p (Message) s 18 r (Stream) s 17 r (Mo) s 1 r (di\014cation.) s cmr10.329 @sf 23 r (The) s 15 r (SNMP) s 15 r (proto) s 2 r (col) s 15 r (is) s 338 1267 p (based) s 15 r (up) s 1 r (on) s 15 r (connectionless) s 16 r (transp) s 1 r (ort) s 15 r (services.) s 20 r (The) s 338 1323 p (message) s 15 r (stream) s 15 r (mo) s 1 r (di\014cation) s 16 r (threat) s 15 r (is) s 15 r (the) s 15 r (danger) s 15 r (that) s 338 1380 p (messages) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (arbitrarily) s 15 r (re-ordered,) s 16 r (dela) s -1 r 121 c -1 r (ed) s 14 r (or) s 338 1436 p (repla) s 0 r 121 c -2 r (ed) s 14 r (to) s 16 r (e\013ect) s 15 r (unauthorized) s 15 r (managemen) s 0 r 116 c 14 r (op) s 1 r (erations.) s 338 1493 p (This) s 15 r (threat) s 15 r (ma) s 0 r 121 c 14 r (arise) s 15 r (either) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r 119 c 0 r (ork) s 14 r (of) s 15 r 97 c 16 r (malicious) s 338 1549 p (attac) s 0 r 107 c -2 r (er) s 14 r (or) s 16 r 98 c -1 r 121 c 14 r (the) s 16 r (natural) s 15 r (op) s 1 r (eration) s 15 r (of) s 15 r 97 c 15 r (subnet) s 0 r 119 c -1 r (ork) s 338 1606 p (service.) s cmbx10.329 @sf 224 1696 p (Disclosure.) s cmr10.329 @sf 23 r (The) s 15 r (disclosure) s 15 r (threat) s 15 r (is) s 15 r (the) s 16 r (danger) s 15 r (of) s 338 1752 p (ea) s 0 r 118 c -2 r (esdropping) s 14 r (on) s 16 r (the) s 15 r (exc) s -1 r (hanges) s 15 r 98 c 1 r (et) s 0 r 119 c -2 r (een) s 14 r (managed) s 338 1809 p (agen) s 0 r (ts) s 14 r (and) s 15 r 97 c 15 r (managemen) s 0 r 116 c 14 r (station.) s 20 r (Protecting) s 15 r (against) s 338 1865 p (this) s 15 r (threat) s 15 r (is) s 15 r (mandatory) s 15 r (when) s 16 r (the) s 15 r (SNMP) s 15 r (is) s 15 r (used) s 15 r (to) s 338 1922 p (administer) s 15 r (priv) s -2 r (ate) s 15 r (parameters) s 15 r (on) s 15 r (whic) s 0 r 104 c 14 r (its) s 15 r (securit) s 0 r 121 c 14 r (is) s 338 1978 p (based.) s 20 r (Protecting) s 15 r (against) s 15 r (the) s 15 r (disclosure) s 16 r (threat) s 15 r (ma) s -1 r 121 c 15 r (also) s 338 2035 p 98 c 1 r 101 c 15 r (required) s 15 r (as) s 16 r 97 c 15 r (matter) s 15 r (of) s 15 r (lo) s 1 r (cal) s 15 r 112 c 2 r (olicy) s -3 r 46 c 224 2159 p (There) s 15 r (are) s 15 r (at) s 16 r (least) s 15 r 116 c -1 r 119 c -1 r 111 c 14 r (threats) s 16 r (that) s 15 r 97 c 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 224 2215 p (need) s 15 r (not) s 15 r (protect) s 16 r (against.) s 20 r (The) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols) s 15 r (de\014ned) s 15 r (in) s 224 2272 p (this) s 15 r (memo) s 15 r (do) s 16 r (not) s 15 r (pro) s -1 r (vide) s 15 r (protection) s 15 r (against:) s cmbx10.329 @sf 224 2396 p (Denial) s 18 r (of) s 17 r (Service) s cmr10.329 @sf 23 r 65 c 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col) s 15 r (need) s 15 r (not) s 338 2452 p (attempt) s 15 r (to) s 15 r (address) s 15 r (the) s 15 r (broad) s 16 r (range) s 15 r (of) s 15 r (attac) s 0 r (ks) s 14 r 98 c -1 r 121 c 15 r (whic) s -1 r 104 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (4]) s @eop 3 @bop0 cmbx12.300 @sf [<07FFFFF80007FFFFF80007FFFFF80007FFFFF8000007F800000007F800000007F800000007F800000007F800000007F80000 0007F800000007F800000007F800000007F800000007F800000007F800000007F800000007F800000007F800000007F80000 F007F803C0F007F803C0F007F803C0F007F803C0F007F803C0F807F807C0F807F807C07807F807807C07F80F807F07F83F80 7FFFFFFF807FFFFFFF807FFFFFFF807FFFFFFF80> 40 34 -2 0 38.973] 84 @dc 3 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 224 307 p (according) s 15 r (to) s 15 r 97 c 16 r (secret) s 15 r (cryptographic) s 15 r 107 c 0 r (ey) s 14 r (kno) s 0 r (wn) s 14 r (only) s 15 r (to) s 15 r (the) s 224 364 p (originator) s 15 r (and) s 15 r (recipien) s 0 r (t.) s 19 r (The) s 16 r (additional) s 15 r (functionalit) s -1 r 121 c 15 r (a\013orded) s 224 420 p 98 c 0 r 121 c 14 r (this) s 15 r (proto) s 1 r (col) s 16 r (is) s 15 r (assumed) s 15 r (to) s 15 r (justify) s 15 r (its) s 15 r (additional) s 224 477 p (computational) s 15 r (cost.) s 224 574 p (The) s 15 r (Digest) s 15 r (Authen) s 0 r (tication) s 14 r (Proto) s 2 r (col) s 15 r (dep) s 1 r (ends) s 15 r (on) s 15 r (the) s 15 r (existence) s 224 631 p (of) s 15 r (lo) s 2 r (osely) s 15 r (sync) s -1 r (hronized) s 15 r (clo) s 1 r 99 c 0 r (ks) s 14 r 98 c 1 r (et) s 0 r 119 c -2 r (een) s 15 r (the) s 15 r (originator) s 15 r (and) s 224 687 p (recipien) s 0 r 116 c 14 r (of) s 15 r 97 c 15 r (message.) s 21 r (The) s 15 r (proto) s 1 r (col) s 15 r (sp) s 1 r (eci\014cation) s 16 r (mak) s -1 r (es) s 14 r (no) s 224 743 p (assumptions) s 15 r (ab) s 2 r (out) s 15 r (the) s 15 r (strategy) s 15 r 98 c 0 r 121 c 14 r (whic) s 0 r 104 c 14 r (suc) s 0 r 104 c 14 r (clo) s 1 r 99 c 0 r (ks) s 14 r (are) s 224 800 p (sync) s 0 r (hronized.) s 19 r (Section) s 15 r (8.2) s 15 r (presen) s 0 r (ts) s 14 r (one) s 15 r (strategy) s 16 r (that) s 15 r (is) s 224 856 p (particularly) s 15 r (suited) s 15 r (to) s 16 r (the) s 15 r (demands) s 15 r (of) s 15 r (SNMP) s 15 r (net) s 0 r 119 c -1 r (ork) s 224 913 p (managemen) s 0 r (t.) s 224 1010 p (Both) s 15 r (proto) s 2 r (cols) s 15 r (describ) s 1 r (ed) s 15 r (here) s 15 r (require) s 15 r (the) s 16 r (sharing) s 15 r (of) s 15 r (secret) s 224 1067 p (information) s 15 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 14 r (the) s 15 r (originator) s 15 r (of) s 16 r 97 c 15 r (message) s 15 r (and) s 15 r (its) s 224 1123 p (recipien) s 0 r (t.) s 19 r (The) s 15 r (proto) s 2 r (col) s 15 r (sp) s 1 r (eci\014cations) s 15 r (assume) s 15 r (the) s 15 r (existence) s 16 r (of) s 224 1180 p (the) s 15 r (necessary) s 15 r (secrets.) s 21 r (The) s 15 r (selection) s 15 r (of) s 15 r (suc) s 0 r 104 c 14 r (secrets) s 15 r (and) s 15 r (their) s 224 1236 p (secure) s 15 r (distribution) s 15 r (to) s 16 r (appropriate) s 15 r (parties) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 224 1293 p (accomplished) s 15 r 98 c 0 r 121 c 14 r 97 c 15 r 118 c -1 r (ariet) s -1 r 121 c 14 r (of) s 15 r (strategies.) s 20 r (Section) s 15 r (8.3) s 15 r (presen) s 0 r (ts) s 224 1349 p (one) s 15 r (suc) s 0 r 104 c 14 r (strategy) s 15 r (that) s 15 r (is) s 15 r (particularly) s 15 r (suited) s 15 r (to) s 15 r (the) s 15 r (demands) s 15 r (of) s 224 1405 p (SNMP) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s 0 r (t.) s cmbx12.300 @sf 224 1577 p (4.1) s 56 r (Threats) s cmr10.329 @sf 224 1706 p (Sev) s 0 r (eral) s 14 r (of) s 15 r (the) s 15 r (classical) s 15 r (threats) s 16 r (to) s 15 r (net) s 0 r 119 c -2 r (ork) s 14 r (proto) s 2 r (cols) s 15 r (are) s 224 1763 p (applicable) s 15 r (to) s 15 r (the) s 16 r (net) s -1 r 119 c -1 r (ork) s 14 r (managemen) s 0 r 116 c 14 r (problem) s 15 r (and) s 15 r (therefore) s 224 1819 p 119 c 0 r (ould) s 14 r 98 c 1 r 101 c 15 r (applicable) s 16 r (to) s 15 r (an) s -1 r 121 c 15 r (SNMP) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (col.) s 20 r (Other) s 224 1875 p (threats) s 15 r (are) s 15 r (not) s 16 r (applicable) s 15 r (to) s 15 r (the) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s -1 r 116 c 224 1932 p (problem.) s 20 r (This) s 16 r (section) s 15 r (discusses) s 15 r (principal) s 15 r (threats,) s 15 r (secondary) s 224 1988 p (threats,) s 15 r (and) s 15 r (threats) s 16 r (whic) s -1 r 104 c 14 r (are) s 16 r (of) s 15 r (lesser) s 15 r (imp) s 1 r (ortance.) s 224 2086 p (The) s 15 r (principal) s 15 r (threats) s 16 r (against) s 15 r (whic) s -1 r 104 c 15 r (an) s -1 r 121 c 15 r (SNMP) s 15 r (securit) s -1 r 121 c 224 2142 p (proto) s 1 r (col) s 16 r (should) s 15 r (pro) s -1 r (vide) s 15 r (protection) s 15 r (are:) s cmbx10.329 @sf 224 2283 p (Mo) s 2 r (di\014cation) s 17 r (of) s 17 r (Information.) s cmr10.329 @sf 23 r (The) s 15 r (SNMP) s 15 r (proto) s 2 r (col) s 338 2340 p (pro) s 0 r (vides) s 14 r (the) s 15 r (means) s 15 r (for) s 15 r (managemen) s 0 r 116 c 14 r (stations) s 15 r (to) s 338 2396 p (manipulate) s 15 r (the) s 15 r 118 c -1 r (alue) s 14 r (of) s 15 r (ob) s 2 r (jects) s 16 r (in) s 15 r 97 c 15 r (managed) s 15 r (agen) s 0 r (t,) s 338 2452 p (including) s 15 r (reading) s 15 r (their) s 15 r 118 c -1 r (alue.) s 19 r (The) s 15 r (mo) s 1 r (di\014cation) s 15 r (threat) s 16 r (is) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (3]) s @eop 2 @bop0 cmbx10.432 @sf [<00FFFFF800FFFFF800FFFFF800FFFFF80001FF000001FF000001FF000001FF000001FF000001FF00FFFFFFF8FFFFFFF8FFFF FFF8FFFFFFF8F800FF007C00FF003E00FF001F00FF001F00FF000F80FF0007C0FF0003E0FF0003E0FF0001F0FF0000F8FF00 007CFF00007EFF00003EFF00001FFF00000FFF000007FF000007FF000003FF000001FF000000FF000000FF0000007F000000 3F0000001F00> 32 39 -2 0 34.370] 52 @dc [<FFFFFF00FFFFFF00FFFFFF00FFFFFF0001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF 800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF8000 01FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF800001FF8000FFFF FF00FFFFFF00FFFFFF00FFFFFF00> 32 41 -1 0 26.068] 73 @dc [ 329 ] /cmcsc10.329 @newfont cmcsc10.329 @sf [<0007F80000001FFE0000007FFF000000FE0F800001F803C00001F001E00003F000E00003E000F00007E000700007E0007000 07E000700007E000700007E000700007E000700007E000700007E000700007E000700007E000700007E000700007E0007000 07E000700007E000700007E000700007E000700007E000700007E000700007E000700007E000700007E000F800FFFF0FFF80 FFFF0FFF80FFFF0FFF80> 40 32 -2 1 36.994] 85 @dc [<C7E0FFF8FFFCFC7CF03EF01EE01EE01E003E007E03FE1FFC3FFC7FF87FF0FF80F800F81CF01CF03CF83C78FC7FFC3FFC0FCC> 16 25 -2 1 20.807] 115 @dc [<FFFFE0FFFFE0FFFFE01F03E01F01E01F00E01F1CF01F1C701F1C701F3C701FFC701FFC001FFC001F3CE01F1CE01F1CE01F1C E01F01E01F01C01F07C0FFFFC0FFFFC0FFFFC0> 24 23 -2 0 25.353] 101 @dc [<00FE0003FF8007FFC01F83F01F01F03E00F87E00FC7E00FC7C007CFC007EFC007EFC007EFC007EFC007EFC007EFC007E7C00 7C7C007C7E00FC3E00F81F01F00F83E007FFC003FF8000FE00> 24 25 -2 1 28.888] 111 @dc [<FFF000FFF000FFF0001F00001F00001F00001F38001F38001F38001F78001FF8001FF8001FF8001F79C01F39C01F39C01F39 C01F03C01F03801F0780FFFF80FFFF80FFFF80> 24 23 -2 0 24.343] 102 @dc [<0FFFE00FFFE00FFFE0007C00007C00007C00007C00007C00007C00007C00007C00007C00007C00E07C0EE07C0EE07C0EE07C 0EF07C1E707C1C787C3C7FFFFC7FFFFC7FFFFC> 24 23 -1 0 26.868] 116 @dc [<FFCFFCFFCFFCFFCFFC1F03E01F03E01F03E01F03E01F03E01F03E01F03E01FFFE01FFFE01FFFE01F03E01F03E01F03E01F03 E01F03E01F03E01F03E0FFCFFCFFCFFCFFCFFC> 24 23 -2 0 27.878] 104 @dc [<0003FCFFEFFCFFEFFEFFFFCE1F1FCE1F1F801F1F801F1F001F1F001F1F001F3E001FFE001FFE001FFF001F0F801F0FC01F0F C01F0FC01F0FC01F0FC01F0F80FFFF00FFFE00FFF800> 24 24 -2 1 27.373] 114 @dc [<FFE0FFE0FFE01F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F001F00FFE0FFE0FFE0> 16 23 -1 0 13.737] 105 @dc [<003C0000003C0000003C0000007E0000007E000000FF000000FF000000FF000001FF800001F3800001F3800003F3C00003E1 C00003E1C00007C0E00007C0E00007C0E0000F8070000F8070000F8070001F007800FFE1FF00FFE1FF00FFE1FF00> 32 24 -1 1 27.878] 118 @dc [<FF87FF00FF87FF00FF87FF001F01F0000E01F0000FFFF00007FFE00007FFE0000787E0000387C0000387C00003C7C00001CF 800001CF800001CF800000FF000000FF000000FF0000007E0000007E0000007E0000003C0000003C0000003C0000> 32 24 -1 0 27.878] 97 @dc [<FFFF00FFFF00FFFF001F1F001F0F001F07801F07801F03801F03801F03801F03801F00001F00001F00001F00001F00001F00 001F00001F00001F0000FFF000FFF000FFF000> 24 23 -2 0 23.333] 108 @dc [<FFE000FFE000FFE0001F00001F00001F00001F00001F00001F00001FFC001FFF001FFF801F07C01F07E01F07E01F07E01F07 E01F07E01F07E01F07C0FFFF80FFFF00FFFC00> 24 23 -2 0 25.353] 112 @dc [<00FE0003FF8007FFC01FE1E01F80F03F00707E00787E00387C0038FC0038FC0000FC0000FC0000FC0000FC0000FC00387C00 387E00387E00783F00781F80F81FE1F807FFF803FFB800FE18> 24 25 -2 1 26.868] 99 @dc [<FF80E0FF81E0FF81E01C03E01C07E01C07E01C0FE01C0FE01C1FE01C3FE01C3FE01C7EE01C7CE01CFCE01DF8E01DF8E01FF0 E01FE0E01FE0E01FC0E0FFC7FCFF87FCFF87FC> 24 23 -2 0 27.878] 110 @dc [<FFFE00FFFF80FFFFC01F07E01F01F01F01F81F00F81F00F81F00FC1F00FC1F00FC1F00FC1F00FC1F00FC1F00FC1F00F81F00 F81F01F01F01F01F07E0FFFFC0FFFF80FFFE00> 24 23 -2 0 28.383] 100 @dc [<00FC0003FF0007FF800FC7C00F81C01F01E01F00E01F00E01F00E01F00E01F00E01F00E01F00E01F00E01F00E01F00E01F00 E01F00E01F00E01F00E01F00E0FFE7FCFFE7FCFFE7FC> 24 24 -2 1 27.878] 117 @dc [<00780780000078078000007807800000FC0FC00000FC0FC00000FC0FC00001FC0FE00001FE1FE00001FE1FE00003EE1F7000 03E73E700003E73E700007E73E780007C3FC380007C3FC38000FC3FC3C000F83FC1C000F81F81C000F81F81C001F01F80E00 1F01F01F00FFCFFE7FC0FFCFFE7FC0FFCFFE7FC0> 40 24 -1 1 37.979] 119 @dc [<FFE7FF00FFE7FF00FFE7FF001F03F8001F03F0001F07E0001F07E0001F0FC0001F9F80001FDF80001FFF00001FFE00001FFE 00001F7C00001F7C00001F3E00001F1F00001F0F80001F07C0001F03E000FFE7FE00FFE7FE00FFE7FE00> 32 23 -2 0 28.888] 107 @dc [<FF9E7FF0FF9E7FF0FF9E7FF01C3F0F801C3F0F801C3F0F801C3F0F801C7B8F801C7B8F801C7B8F801CF1CF801CF1CF801CF1 CF801DE0EF801DE0EF801DE0EF801FC07F801FC07F801FC07F801FC07F80FF803FF0FF803FF0FF803FF0> 32 23 -2 0 33.938] 109 @dc [<00FF000003FF980007FFF8001FE1F8001F80F8003F00F8007E00F8007E00F8007C1FFF00FC1FFF00FC1FFF00FC000000FC00 0000FC000000FC000000FC0038007C0038007E0038007E0078003F0078001F80F8001FE1F80007FFF80003FFB80000FE1800> 32 25 -2 1 29.141] 103 @dc [<78FCFCFCFC78> 8 6 -5 0 14.520] 46 @dc [<07FFFF8007FFFF8007FFFF80000FC000000FC000000FC000000FC000000FC000000FC000000FC000000FC000000FC000000F C000000FC000000FC000000FC000000FC000000FC000000FC000E00FC01CE00FC01CE00FC01CE00FC01CF00FC03CF00FC03C 700FC038780FC0787C0FC0F87FFFFFF87FFFFFF87FFFFFF8> 32 31 -3 0 35.731] 84 @dc [<60F0783C3C1C1E0E0E7EFEFEFEFC78> 8 15 -5 9 14.520] 44 @dc [<00FFE00000FFE00000FFE000001F0000001F0000001F0000001F0000001F0000001F0000001F0000003F8000003F8000007F C00000FDC00000F9E00001F8E00001F0F00003F0700007E0780007C07C00FFF0FFC0FFF0FFC0FFF0FFC0> 32 23 0 0 27.878] 121 @dc 2 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmbx10.432 @sf 224 307 p 52 c 69 r (In) s -1 r (tro) s 1 r (duction) s cmr10.329 @sf 224 448 p (In) s 15 r (the) s 15 r (mo) s 2 r (del) s 15 r (describ) s 1 r (ed) s 15 r (in) s 15 r 91 c 0 r 50 c 0 r (],) s 16 r (eac) s -1 r 104 c 14 r (SNMP) s 16 r (part) s -1 r 121 c 15 r (is,) s 15 r 98 c -1 r 121 c 224 505 p (de\014nition,) s 15 r (asso) s 2 r (ciated) s 15 r (with) s 15 r 97 c 15 r (single) s cmti10.329 @sf 15 r (authentic) s -1 r (ation) s 15 r (pr) s -1 r (oto) s -3 r 99 c -2 r (ol) s cmr10.329 @sf 0 r 46 c 224 561 p (The) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col) s 16 r (pro) s -1 r (vides) s 14 r 97 c 16 r (mec) s -1 r (hanism) s 15 r 98 c -1 r 121 c 14 r (whic) s 0 r 104 c 224 618 p (SNMP) s 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unications) s 14 r (transmitted) s 15 r 98 c 0 r 121 c 14 r (the) s 15 r (part) s 0 r 121 c 224 674 p (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (reliably) s 16 r (iden) s -1 r (ti\014ed) s 14 r (as) s 16 r (ha) s -1 r (ving) s 15 r (originated) s 15 r (from) s 15 r (that) s 224 731 p (part) s 0 r (y.) s 19 r (The) s 15 r (authen) s 0 r (tication) s 14 r (proto) s 1 r (col) s 16 r (de\014ned) s 15 r (in) s 15 r (this) s 15 r (memo) s 15 r (also) s 224 787 p (reliably) s 15 r (determines) s 15 r (that) s 16 r (the) s 15 r (message) s 15 r (receiv) s 0 r (ed) s 14 r (is) s 15 r (the) s 15 r (message) s 224 844 p (that) s 15 r 119 c 0 r (as) s 14 r (sen) s 0 r (t.) s 224 940 p (Similarly) s -3 r 44 c 14 r (eac) s 0 r 104 c 13 r (SNMP) s 14 r (part) s 0 r 121 c 14 r (is,) s 14 r 98 c 0 r 121 c 13 r (de\014nition,) s 15 r (asso) s 1 r (ciated) s 14 r (with) s 15 r 97 c 224 996 p (single) s cmti10.329 @sf 15 r (privacy) s 17 r (pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.329 @sf 0 r 46 c 19 r (The) s 15 r (priv) s -2 r (acy) s 15 r (proto) s 1 r (col) s 15 r (pro) s 0 r (vides) s 14 r 97 c 224 1052 p (mec) s 0 r (hanism) s 14 r 98 c 0 r 121 c 14 r (whic) s 0 r 104 c 14 r (SNMP) s 15 r (managemen) s 0 r 116 c 14 r (comm) s 0 r (unications) s 224 1109 p (transmitted) s 15 r (to) s 15 r (said) s 16 r (part) s -1 r 121 c 14 r (are) s 16 r (protected) s 15 r (from) s 15 r (disclosure.) s 20 r (The) s 224 1165 p (priv) s -1 r (acy) s 14 r (proto) s 1 r (col) s 15 r (in) s 15 r (this) s 15 r (memo) s 16 r (sp) s 1 r (eci\014es) s 15 r (that) s 15 r (only) s 224 1222 p (authen) s 0 r (ticated) s 14 r (messages) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (protected) s 16 r (from) s 15 r (disclosure.) s 224 1318 p (These) s 15 r (proto) s 2 r (cols) s 15 r (are) s 15 r (secure) s 15 r (alternativ) s 0 r (es) s 14 r (to) s 15 r (the) s 15 r (so-called) s 224 1374 p (\\trivial") s 15 r (proto) s 2 r (col) s 15 r (de\014ned) s 15 r (in) s 15 r 91 c 0 r 49 c 0 r (].) s cmcsc10.329 @sf 224 1470 p (Use) s 17 r (of) s 17 r (the) s 18 r (trivial) s 17 r (pr) s 0 r (otocol) s 16 r (alone) s 17 r (does) s 17 r (not) s 224 1527 p (constitute) s 17 r (secure) s 17 r (netw) s 0 r (ork) s 17 r (mana) s 0 r (gement.) s 21 r (Theref) s 0 r (ore,) s 224 1583 p 97 c 17 r (netw) s 0 r (ork) s 16 r (mana) s 0 r (gement) s 17 r (system) s 17 r (tha) s -2 r 116 c 16 r (implements) s 17 r (onl) s -2 r 121 c 224 1640 p (the) s 17 r (trivial) s 17 r (pr) s 0 r (otocol) s 17 r (is) s 17 r (not) s 17 r (conf) s 0 r (ormant) s 16 r (to) s 17 r (this) s 224 1696 p (specifica) s -2 r (tion.) s cmr10.329 @sf 224 1792 p (The) s cmti10.329 @sf 15 r (Digest) s 17 r 65 c -1 r (uthentic) s -2 r (ation) s 15 r (Pr) s -1 r (oto) s -2 r 99 c -3 r (ol) s cmr10.329 @sf 15 r (is) s 15 r (describ) s 1 r (ed) s 15 r (in) s 15 r (Section) s 15 r (6.) s 224 1848 p (It) s 15 r (pro) s 0 r (vides) s 14 r 97 c 15 r (data) s 15 r (in) s 0 r (tegrit) s -1 r 121 c 14 r (service) s 15 r 98 c 0 r 121 c 14 r (ha) s 0 r (ving) s 14 r (the) s 15 r (originator) s 224 1905 p (compute) s 15 r 97 c 15 r (digest) s 16 r 111 c -1 r 118 c -1 r (er) s 14 r (an) s 15 r (appropriate) s 16 r 112 c 1 r (ortion) s 15 r (of) s 15 r 97 c 15 r (message) s 224 1961 p (and) s 15 r (sending) s 15 r (that) s 16 r (digest) s 15 r (to) s 15 r (the) s 15 r (recipien) s 0 r (t,) s 14 r (with) s 15 r (the) s 15 r (message,) s 15 r (for) s 224 2018 p 118 c 0 r (eri\014cation.) s 19 r (The) s 15 r (data) s 15 r (origin) s 15 r (authen) s 0 r (tication) s 14 r (service) s 15 r (is) s 15 r (pro) s 0 r (vided) s 224 2074 p 98 c 0 r 121 c 13 r (pre\014xing) s 14 r (the) s 15 r (message) s 14 r (with) s 14 r 97 c 15 r (secret) s 14 r 118 c -2 r (alue) s 14 r (kno) s -1 r (wn) s 14 r (only) s 14 r (to) s 14 r (the) s 224 2131 p (originator) s 15 r (and) s 15 r (recipien) s 0 r (t,) s 14 r (prior) s 15 r (to) s 16 r (computing) s 15 r (the) s 15 r (digest.) s 20 r (Th) s 0 r (us,) s 224 2187 p (data) s 15 r (in) s 0 r (tegrit) s -1 r 121 c 14 r (is) s 15 r (supp) s 1 r (orted) s 15 r (explicitly) s 16 r (while) s 15 r (data) s 15 r (origin) s 224 2244 p (authen) s 0 r (tication) s 14 r (is) s 15 r (supp) s 1 r (orted) s 15 r (implicitly) s 16 r (in) s 15 r (the) s 15 r 118 c 0 r (eri\014cation) s 14 r (of) s 15 r (the) s 224 2300 p (digest.) s 224 2396 p (The) s cmti10.329 @sf 15 r (Symmetric) s 17 r (Privacy) s 16 r (Pr) s -1 r (oto) s -3 r 99 c -2 r (ol) s cmr10.329 @sf 14 r (is) s 15 r (describ) s 1 r (ed) s 16 r (in) s 15 r (Section) s 15 r (7.) s 20 r (It) s 224 2452 p (protects) s 15 r (messages) s 15 r (from) s 16 r (disclosure) s 15 r 98 c -1 r 121 c 15 r (encrypting) s 15 r (their) s 15 r (con) s 0 r (ten) s -2 r (ts) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (2]) s @eop 1 @bop0 cmbx10.432 @sf [<7FFFFE7FFFFE7FFFFE7FFFFE01FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF0001FF 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s 15 r (authors) s 15 r 40 c 15 r (James) s 224 674 p (M.) s 15 r (Galvin) s cmmi10.329 @sf 15 r 60 c cmr10.329 @sf 0 r (galvin@tis.com) s cmmi10.329 @sf 0 r 62 c cmr10.329 @sf 0 r 44 c 16 r (Keith) s 15 r (McCloghrie) s cmmi10.329 @sf 224 731 p 60 c cmr10.329 @sf 0 r (kzm@hls.com) s cmmi10.329 @sf 0 r 62 c cmr10.329 @sf 0 r 44 c 15 r (and) s 15 r (James) s 16 r (R.) s 15 r (Da) s -1 r (vin) s cmmi10.329 @sf 224 787 p 60 c cmr10.329 @sf 0 r (jrd@ptt.lcs.mit.edu) s cmmi10.329 @sf 0 r 62 c cmr10.329 @sf 0 r (\).) s cmbx10.432 @sf 224 972 p 50 c 69 r (Ac) s -1 r (kno) s -2 r (wledgemen) s -2 r (ts) s cmr10.329 @sf 224 1114 p (The) s 15 r (authors) s 15 r 119 c 0 r (ould) s 14 r (lik) s 0 r 101 c 14 r (to) s 15 r (thank) s 16 r (the) s 15 r (mem) s -1 r 98 c 1 r (ers) s 15 r (of) s 15 r (the) s 15 r (SNMP) s 224 1170 p (Securit) s 0 r 121 c 14 r 87 c -3 r (orking) s 14 r (Group) s 16 r (of) s 15 r (the) s 15 r (IETF) s 15 r (for) s 15 r (their) s 15 r (patience) s 15 r (and) s 224 1227 p (commen) s 0 r (ts.) s 19 r (Sp) s 1 r (ecial) s 16 r (thanks) s 15 r (go) s 15 r (to) s 15 r (Je\013) s 15 r (Case) s 15 r (who) s 15 r (pro) s 0 r (vided) s 14 r (the) s 224 1283 p (\014rst) s 15 r (implemen) s 0 r (tation) s 14 r (of) s 15 r (the) s 15 r (proto) s 2 r (cols.) s 20 r (Da) s 0 r 118 c -2 r 101 c 15 r (Balenson,) s 15 r (John) s 224 1340 p (Linn,) s 15 r (Dan) s 15 r (Nessett,) s 16 r (and) s 15 r (all) s 15 r (the) s 15 r (mem) s 0 r 98 c 0 r (ers) s 15 r (of) s 15 r (the) s 16 r (Priv) s -2 r (acy) s 14 r (and) s 224 1396 p (Securit) s 0 r 121 c 14 r (Researc) s 0 r 104 c 14 r (Group) s 15 r (pro) s 0 r (vided) s 14 r (man) s 0 r 121 c 14 r 118 c -2 r (aluable) s 14 r (and) s 16 r (detailed) s 224 1452 p (commen) s 0 r (ts.) s cmbx10.432 @sf 224 1637 p 51 c 69 r (Abstract) s cmr10.329 @sf 224 1779 p (The) s 15 r (Simple) s 15 r (Net) s 0 r 119 c -1 r (ork) s 14 r (Managemen) s 0 r 116 c 14 r (Proto) s 1 r (col) s 15 r (\(SNMP\)) s 224 1835 p (sp) s 1 r (eci\014cation) s 16 r 91 c 0 r 49 c 0 r 93 c 15 r (allo) s -1 r (ws) s 15 r (for) s 15 r (the) s 15 r (protection) s 15 r (of) s 15 r (net) s 0 r 119 c -1 r (ork) s 224 1892 p (managemen) s 0 r 116 c 14 r (op) s 1 r (erations) s 15 r 98 c 0 r 121 c 14 r 97 c 15 r 118 c -1 r (ariet) s -1 r 121 c 14 r (of) s 15 r (securit) s 0 r 121 c 14 r (proto) s 1 r (cols.) s 224 1948 p (The) s 15 r (SNMP) s 15 r (administrativ) s 0 r 101 c 14 r (mo) s 2 r (del) s 15 r (describ) s 1 r (ed) s 15 r (in) s 15 r 91 c 0 r 50 c 0 r 93 c 15 r (pro) s 0 r (vides) s 14 r 97 c 224 2005 p (framew) s 0 r (ork) s 14 r (for) s 15 r (securing) s 15 r (SNMP) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (managemen) s 0 r (t.) s 19 r (In) s 15 r (the) s 224 2061 p (con) s 0 r (text) s 14 r (of) s 15 r (that) s 15 r (framew) s 0 r (ork,) s 14 r (this) s 15 r (memo) s 16 r (de\014nes) s 15 r (proto) s 1 r (cols) s 15 r (to) s 224 2118 p (supp) s 1 r (ort) s 16 r (the) s 15 r (follo) s -1 r (wing) s 15 r (three) s 15 r (securit) s -1 r 121 c 15 r (services:) s cmsy10.329 @sf 292 2252 p 15 c cmr10.329 @sf 23 r (data) s 15 r (in) s 0 r (tegrit) s -1 r 121 c -4 r 44 c cmsy10.329 @sf 292 2348 p 15 c cmr10.329 @sf 23 r (data) s 15 r (origin) s 15 r (authen) s 0 r (tication,) s 14 r (and) s cmsy10.329 @sf 292 2444 p 15 c cmr10.329 @sf 23 r (data) s 15 r (con\014den) s 0 r (tialit) s -1 r 121 c -4 r 46 c cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 551 r ([P) s 0 r (age) s 14 r (1]) s @eop 2 @bop0 2 @bop1 cmsl10.329 @sf 224 162 p (INTERNET-DRAFT) s 517 r (Decem) s 0 r 98 c 0 r (er) s 16 r (1991) s cmr10.329 @sf 292 307 p (8.1) s 47 r (Initial) s 15 r (Con\014guration) s 619 r (25) s 292 403 p (8.2) s 47 r (Clo) s 1 r 99 c 0 r 107 c 14 r (Distribution) s 657 r (29) s 292 498 p (8.3) s 47 r (Secret) s 15 r (Distribution) s 648 r (30) s 292 594 p (8.4) s 47 r (Crash) s 15 r (Reco) s 0 r 118 c -2 r (ery) s 715 r (33) s cmbx10.329 @sf 224 735 p 57 c 42 r (Securit) s 0 r 121 c 16 r (Considerations) s 581 r (35) s cmr10.329 @sf 292 831 p (9.1) s 47 r (Conformance) s 765 r (38) s 292 926 p (9.2) s 47 r (Proto) s 1 r (col) s 15 r (Correctness) s 613 r (40) s 397 1022 p (9.2.1) s 52 r (Clo) s 1 r 99 c 0 r 107 c 14 r (Monotonicit) s 0 r 121 c 14 r (Mec) s 0 r (hanism) s 251 r (41) s 397 1117 p (9.2.2) s 52 r (Data) s 15 r (In) s 0 r (tegrit) s -1 r 121 c 14 r (Mec) s -1 r (hanism) s 359 r (42) s 397 1213 p (9.2.3) s 52 r (Data) s 15 r (Origin) s 15 r (Authen) s 0 r (tication) s 14 r (Mec) s 0 r (hanism) s 90 r (42) s 397 1309 p (9.2.4) s 52 r (Restricted) s 15 r (Administration) s 15 r (Mec) s 0 r (hanism) s 123 r (42) s 397 1404 p (9.2.5) s 52 r (Ordered) s 15 r (Deliv) s 0 r (ery) s 14 r (Mec) s 0 r (hanism) s 301 r (43) s 397 1500 p (9.2.6) s 52 r (Message) s 15 r (Timeliness) s 15 r (Mec) s 0 r (hanism) s 254 r (44) s 397 1595 p (9.2.7) s 52 r (Selectiv) s 0 r 101 c 14 r (Clo) s 1 r 99 c 0 r 107 c 14 r (Acceleration) s 15 r (Mec) s 0 r (hanism) s 82 r (45) s 397 1691 p (9.2.8) s 52 r (Con\014den) s 0 r (tialit) s -2 r 121 c 15 r (Mec) s -1 r (hanism) s 349 r (46) s cmsl10.329 @sf 224 2577 p (Galvin,) s 15 r (McCloghrie,) s 15 r (Da) s 0 r (vin) s cmr10.329 @sf 548 r ([P) s 0 r (age) s 14 r (ii]) s @eop 1 @bop0 cmbx10.329 @sf [<007C07C000007C07C00000FE0FE00000FE0FE00000FE0FE00001FF1FF00001FF1FF00001FFBFF00003FFBFF80003FFBF7800 07FFFF7C0007F3FE3C0007F3FE3C000FF3FE3E000FE1FC1E000FE1FC1E00FFE7FE3FE0FFE7FE3FE0FFE7FE3FE0FFE7FE3FE0> 40 20 -1 0 37.751] 119 @dc 1 @bop1 cmbx10.432 @sf 224 307 p (Con) s -1 r (ten) s -2 r (ts) s cmbx10.329 @sf 224 453 p 49 c 42 r (Status) s 18 r (of) s 17 r (this) s 17 r (Memo) s 685 r 49 c 224 598 p 50 c 42 r (Ac) s 0 r (kno) s -2 r (wledgemen) s -1 r (ts) s 716 r 49 c 224 743 p 51 c 42 r (Abstract) s 951 r 49 c 224 889 p 52 c 42 r (In) s 0 r (tro) s 0 r (duction) s 863 r 50 c cmr10.329 @sf 292 987 p (4.1) s 47 r (Threats) s 895 r 51 c 292 1085 p (4.2) s 47 r (Goals) s 15 r (and) s 15 r (Constrain) s 0 r (ts) s 604 r 53 c 292 1183 p (4.3) s 47 r (Securit) s 0 r 121 c 14 r (Services) s 714 r 54 c 292 1282 p (4.4) s 47 r (Mec) s 0 r (hanisms) s 808 r 55 c 397 1380 p (4.4.1) s 52 r (Message) s 15 r (Digest) s 15 r (Algorithm) s 382 r 56 c 397 1478 p (4.4.2) s 52 r (Symmetric) s 15 r (Encryption) s 15 r (Algorithm) s 236 r 57 c cmbx10.329 @sf 224 1623 p 53 c 42 r (SNMP) s 18 r 80 c -1 r (art) s -1 r 121 c 823 r (10) s 224 1769 p 54 c 42 r (Digest) s 18 r (Authen) s -1 r (tication) s 17 r (Proto) s 1 r (col) s 406 r (14) s cmr10.329 @sf 292 1867 p (6.1) s 47 r (Generating) s 15 r 97 c 15 r (Message) s 591 r (17) s 292 1965 p (6.2) s 47 r (Receiving) s 15 r 97 c 15 r (Message) s 620 r (18) s cmbx10.329 @sf 224 2111 p 55 c 42 r (Symmetric) s 18 r (Priv) s -2 r (acy) s 16 r (Proto) s 2 r (col) s 474 r (20) s cmr10.329 @sf 292 2209 p (7.1) s 47 r (Generating) s 15 r 97 c 15 r (Message) s 591 r (21) s 292 2307 p (7.2) s 47 r (Receiving) s 15 r 97 c 15 r (Message) s 620 r (22) s cmbx10.329 @sf 224 2452 p 56 c 42 r (Clo) s 2 r 99 c -1 r 107 c 17 r (and) s 17 r (Secret) s 17 r (Distribution) s 439 r (23) s @eop 0 @bop0 [ 300 ] /cmr17.300 @newfont cmr17.300 @sf [<C01FF000E0FFFC00E3FFFF00F7F03F80FFC00FC0FF0007E0FE0003E0FC0001F0F80001F0F00001F0F00000F8F00000F8E000 00F8E00000F8E00000F8E00000F8000001F8000001F8000003F8000003F0000007F000001FF000007FE00007FFC0007FFFC0 01FFFF8007FFFF000FFFFC001FFFF0003FFF00003FF000007F8000007F000000FE000000FC000000FC0000E0F80000E0F800 00E0F80001E0F80001E0F80001E0F80003E07C0003E07C0007E03E000FE03F001FE01F803FE00FE0FDE007FFF8E003FFF0E0 007F8060> 32 51 -4 1 36.644] 83 @dc [<FFFE00001C00FFFE00003C00FFFE00007C000FE000007C0007C00000FC0003800000FC0003800001FC0003800003FC000380 0003FC0003800007FC0003800007FC000380000FFC000380001FDC000380001FDC000380003F9C000380003F9C000380007F 1C00038000FE1C00038000FE1C00038001FC1C00038001FC1C00038003F81C00038007F01C00038007F01C0003800FE01C00 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- SNMP Security Protocols: Postscript James M Galvin