interesting HMAC attack results
Alexander Klimov
alserkli at inbox.ru
Tue Sep 26 08:10:12 EDT 2006
>> 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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