[47387] in cryptography@c2.net mail archive
Re: interesting HMAC attack results
daemon@ATHENA.MIT.EDU (Alexander Klimov)
Thu Sep 28 09:28:18 2006
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Tue, 26 Sep 2006 15:10:12 +0300 (IDT)
From: Alexander Klimov <alserkli@inbox.ru>
To: Anton Stiglic <astiglic@okiok.com>
Cc: cryptography@metzdowd.com
In-Reply-To: <29491.207.236.193.195.1159216111.squirrel@mail.okiok.com>
>> Forgery and Partial Key-Recovery Attacks on HMAC and NMAC Using
>> Hash Collisions, by Scott Contini and Yiqun Lisa Yin (*)
On Mon, 25 Sep 2006, Anton Stiglic wrote:
> Very interesting, I wonder how this integrates with the following paper
> http://citeseer.ist.psu.edu/bellare06new.html (**)
According to Section 1.4 of (*), the new result on HMAC does not
contradict the analysis in (**). That is the assumption used by Mihir
Bellare do not hold for MD4, MD5, and SHA-1.
--
Regards,
ASK
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