SHA-1 results available

[Jack Lloyd]

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.

-Jack

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