You could just as easily use a CRC function, which has the nice
property of having a collision rate of 2^l, where l is the length
of the CRC. CRCs are also pretty low-cost to compute relative to
other methods.
-scooter
At 09:47 PM 8/25/00 -0400, you wrote:
>[I see my post made it]
>
>To expand briefly on my comment about collision resistance
>
> > - the hash function constructed from using Blowfish in CBC mode you --
> > have to be careful how you use block ciphers to construct hash
> > functions -- they have quite different properties. For example
> > collision resistance is not generally important for a block cipher,
> > but is all-important for a hash function
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