SHA-1 results available

Whyte, William WWhyte at ntru.com
Tue Feb 22 12:30:22 EST 2005


> http://theory.csail.mit.edu/~yiqun/shanote.pdf
> 
> 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.

A preprint was circulating at the RSA conference; Adi Shamir 
had a copy. Similar techniques were used by Vincent Rijmen
and Elizabeth Oswald, in their paper available at
.http://eprint.iacr.org/2005/010.

William

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