The Pure Crypto Project's Hash Function

[Ralf Senderek]

On Sat, 3 May 2003, tom st denis wrote:

> As to making their own hash I too would have to strongly disagree with
> that.  You really ought to either design a cipher/hash or design a
> cryptosystem.

If there was a hash based on ModExp() with a long tradition of
scrutiny like RSA for twenty years I surely would have taken it.
I am not keen on inventing new things, but I don't accept that we
leave the user alone with the complexitiy problem in a fatal dependence
on code he has not even the chance to understand. And I don't mean
sha1 in particular but the whole cryptosystem.

Does the list know of any hash based on Modexp with a better reputation
than mine, I'd be happy to know.

Ralf.


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