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.


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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