Re: [smime] [Technical Errata Reported] RFC2631 (5954)
Russ Housley <housley@vigilsec.com> Wed, 08 January 2020 15:17 UTC
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From: Russ Housley <housley@vigilsec.com>
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Date: Wed, 08 Jan 2020 10:17:28 -0500
Cc: IETF SMIME <smime@ietf.org>, "Roman D. Danyliw" <rdd@cert.org>, Eric Rescorla <ekr@rtfm.com>, silversplash@gmx.com, paul.hoffman@vpnc.org
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To: Ben Kaduk <kaduk@mit.edu>
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Subject: Re: [smime] [Technical Errata Reported] RFC2631 (5954)
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Ben: It sounds like Hold for Document Update is the best way to handle this one. Russ > On Jan 7, 2020, at 10:36 PM, Benjamin Kaduk <kaduk@mit.edu> wrote: > > I could maybe see making this Hold For Document Update, as it would > probably require some discussion, and it's hard to say that this was an > omission at the time of original publication. > > -Ben > > On Thu, Jan 02, 2020 at 12:42:20PM -0800, RFC Errata System wrote: >> The following errata report has been submitted for RFC2631, >> "Diffie-Hellman Key Agreement Method". >> >> -------------------------------------- >> You may review the report below and at: >> https://www.rfc-editor.org/errata/eid5954 >> >> -------------------------------------- >> Type: Technical >> Reported by: Paul Janson <silversplash@gmx.com> >> >> Section: 2.1.5. >> >> Original Text >> ------------- >> 1. Verify that y lies within the interval [2,p-1]. If it does not, >> the key is invalid. >> 2. Compute y^q mod p. If the result == 1, the key is valid. >> Otherwise the key is invalid. >> >> >> Corrected Text >> -------------- >> 1. Verify that y lies within the interval [2,p-1]. If it does not, >> the key is invalid. >> 2. Compute y^q mod p. If the result == 1, the key is valid. >> Otherwise the key is invalid. >> | 3. Verify that y does not match g. >> >> >> Notes >> ----- >> Validating that (g == received y) needs to be an additional exclusion to the valid range [2,p-1]. If party 'a' accepts received public key 'yb' matching 'g', then ZZ matches public key 'ya'. i.e. if yb = 2, then xb = 1, therefore ZZ = ya^1 = ya >> >> Instructions: >> ------------- >> This erratum 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 >> can log in to change the status and edit the report, if necessary. >> >> -------------------------------------- >> RFC2631 (draft-ietf-smime-x942-07) >> -------------------------------------- >> Title : Diffie-Hellman Key Agreement Method >> Publication Date : June 1999 >> Author(s) : E. Rescorla >> Category : PROPOSED STANDARD >> Source : S/MIME Mail Security >> Area : Security >> Stream : IETF >> Verifying Party : IESG > > _______________________________________________ > smime mailing list > smime@ietf.org > https://www.ietf.org/mailman/listinfo/smime
- [smime] [Technical Errata Reported] RFC2631 (5954) RFC Errata System
- Re: [smime] [Technical Errata Reported] RFC2631 (… Benjamin Kaduk
- Re: [smime] [Technical Errata Reported] RFC2631 (… Russ Housley
- Re: [smime] [Technical Errata Reported] RFC2631 (… Peter Gutmann