RE: [Isis-wg] IS-IS HMAC SHA Cryptographic Authentication

"Tony Li" <tli@tropos.com> Wed, 19 April 2006 18:17 UTC

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From: Tony Li <tli@tropos.com>
To: 'Sofia Ray' <sofia.ray@lycos.com>, isis-wg@ietf.org
Subject: RE: [Isis-wg] IS-IS HMAC SHA Cryptographic Authentication
Date: Wed, 19 Apr 2006 11:17:34 -0700
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Sofia,

While I know of no substantive risks to the use of MD5 today as used in
3567, history suggests that someday, there will be.  Thus, having other
algorithms available is only prudent and I strongly support that goal.

Regards,
Tony

> -----Original Message-----
> From: Sofia Ray [mailto:sofia.ray@lycos.com] 
> Sent: Wednesday, April 19, 2006 11:04 AM
> To: isis-wg@ietf.org
> Subject: Re: [Isis-wg] IS-IS HMAC SHA Cryptographic Authentication
> 
> Manav,
> 
> Whats wrong with the authentication scheme detailed in 3567?
> 
> Yours,
> Sofia
> 
> ----- Original Message ----
> From: Manav Bhatia <manav_bhatia06@yahoo.co.uk>
> To: isis-wg@ietf.org
> Sent: Wednesday, 19 April, 2006 8:30:00 AM
> Subject: [Isis-wg] IS-IS HMAC SHA Cryptographic Authentication
> 
> 
> Hi,
> 
> We have written a draft on extending ISIS to use HMAC-SHA 
> authentication. Would appreciate if we can get some feedback 
> from the WG. The mechanism proposed in the draft is backward 
> compatible and would work with the existing ISIS implementations.
> 
> Cheers,
> Manav
> 
> ----- Forwarded Message ----
> From: Internet-Drafts@ietf.org
> To: i-d-announce@ietf.org
> Sent: Wednesday, April 19, 2006 4:20:01 AM
> Subject: I-D ACTION:draft-bhatia-manral-isis-hmac-sha-00.txt
> 
> A New Internet-Draft is available from the on-line 
> Internet-Drafts directories.
> 
>     Title        : IS-IS HMAC SHA Cryptographic Authentication
>     Author(s)    : M. Bhatia, V. Manral
>     Filename    : draft-bhatia-manral-isis-hmac-sha-00.txt
>     Pages        : 8
>     Date        : 2006-4-18
> 
> This document proposes an extension to IS-IS [ISO] [RFC1195] 
> to allow the use of HMAC SHA authentication algorithm in 
> addition to the already documented authentication schemes 
> described in the base specification and RFC 3567.
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-bhatia-manral-isis-h
> mac-sha-00.txt
> 
> 
> 
> -- 
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