[Pppext] [Technical Errata Reported] RFC2759 (1924)

RFC Errata System <rfc-editor@rfc-editor.org> Thu, 22 October 2009 20:16 UTC

Date: Thu, 22 Oct 2009 13:16:19 -0700
Message-Id: <200910222016.n9MKGJmB012996@boreas.isi.edu>
To: gwz@acm.org, rdroms@cisco.com, jari.arkko@piuha.net, james.d.carlson@sun.com
From: RFC Errata System <rfc-editor@rfc-editor.org>
Cc: pppext@ietf.org, alexey.melnikov@isode.com, rfc-editor@rfc-editor.org
Subject: [Pppext] [Technical Errata Reported] RFC2759 (1924)
Precedence: list

The following errata report has been submitted for RFC2759,
"Microsoft PPP CHAP Extensions, Version 2".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=2759&eid=1924

--------------------------------------
Type: Technical
Reported by: Alexey Melnikov <alexey.melnikov@isode.com>

Section: 8.3

Original Text
-------------
   NtPasswordHash(
   IN  0-to-256-unicode-char Password,
   OUT 16-octet              PasswordHash )
   {
      /*
       * Use the MD4 algorithm [5] to irreversibly hash Password
       * into PasswordHash.  Only the password is hashed without
       * including any terminating 0.
       */
   }

Corrected Text
--------------
   NtPasswordHash(
   IN  0-to-256-unicode-char Password,
   OUT 16-octet              PasswordHash )
   {
      /*
       * Use the MD4 algorithm [5] to irreversibly hash Password
       * encoded in UTF-16-LE into PasswordHash.
       * Only the password is hashed without
       * including any terminating 0.
       */
   }

Notes
-----
Section 8.3 is silent on Unicode encoding used for passwords.
Section 9.2 seem to imply that the Unicode encoding used in UTF-16-LE.

Instructions:
-------------
This errata is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party (IESG)
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC2759 (draft-ietf-pppext-mschap-v2-04)
--------------------------------------
Title               : Microsoft PPP CHAP Extensions, Version 2
Publication Date    : January 2000
Author(s)           : G. Zorn
Category            : INFORMATIONAL
Source              : Point-to-Point Protocol Extensions
Area                : Internet
Stream              : IETF
Verifying Party     : IESG

[Pppext] [Technical Errata Reported] RFC2759 (192… RFC Errata System
Re: [Pppext] [Technical Errata Reported] RFC2759 … James Carlson