[16979] in cryptography@c2.net mail archive
Re: SHA-1 results available
daemon@ATHENA.MIT.EDU (Florian Weimer)
Thu Mar 3 18:50:28 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
From: Florian Weimer <fw@deneb.enyo.de>
To: cryptography@metzdowd.com
Cc: cypherpunks@al-qaeda.net
Date: Wed, 23 Feb 2005 23:03:46 +0100
In-Reply-To: <20050219072555.GA31104@randombit.net> (Jack Lloyd's message of
"Sat, 19 Feb 2005 00:25:55 -0700")
* Jack Lloyd:
> http://theory.csail.mit.edu/~yiqun/shanote.pdf
Thanks for the pointer.
> No real details, just collisions for 80 round SHA-0 (which I just confirmed)
> and 58 round SHA-1 (which I haven't bothered with), plus the now famous work
> factor estimate of 2^69 for full SHA-1.
>
> As usual, "Technical details will be provided in a forthcoming paper." I'm not
> holding my breath.
In addition, there's no trace of the second-preimage attack some
persons recently alluded to.
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