On Fri, Sep 3, 2010 at 10:29 AM, Jack Lloyd <ll...@randombit.net> wrote:
> On Fri, Sep 03, 2010 at 09:45:20AM +0100, Ben Laurie wrote:
> ...narrow-pipe designs have a huge null space for messages
> which are exactly as big as the compression function input
> size. For instance hashing inputs that are multiples of 512 bits,
> SHA-256 will only produce about 63% of the possible 2^256
> outputs.
So we deal with SHA-255.33 instead of SHA-256. Not a big enough
difference to worry about.
-Michael Heyman

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