[15928] in cryptography@c2.net mail archive
MD5 collisions?
daemon@ATHENA.MIT.EDU (Eric Rescorla)
Mon Aug 16 17:41:05 2004
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
To: cryptography@metzdowd.com
Date: Mon, 16 Aug 2004 14:35:11 -0700
From: Eric Rescorla <ekr@rtfm.com>
Check out this ePrint paper, which claims to have collisions in
MD5, MD4, HAVAL, and full RIPEMD.
http://eprint.iacr.org/2004/199.pdf
The authors claim that the MD5 attack took an hour for the first
collision and 15 seconds to 5 minutes for subsequent attacks
with the same first 512 bits.
-Ekr
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