[Haskell-cafe] Re: cryptographic hash functions in darcs (re:
announcing darcs 2.0.0pre3)
lutz at iks-jena.de
Fri Jan 25 05:41:12 EST 2008
* zooko wrote:
> This makes the choice of SHA-1 for the patch-id-generation function
> wholly inappropriate. We already know that SHA-1 doesn't have
> collision resistance, and there is reason to suspect that in the near
> future it will turn out that it doesn't have second-pre-image
> resistance either.
Calm down! The found collisions in SHA-1 require some very specific
environment choices. I doubt darcs will allow those preconditions.
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