On Mar 20, Alan Barclay wrote:
> I've just finished a module which allows users to generate and
> validate hashcash tokens.
>
> Hashcash tokens are bitstreams which are hard to calculate, but
> easy to verify, and are therefore proof that the generator
> performed a certain amount of CPU work, and have been proposed
> as a solution to spamming. More on this webpage
> http://www.cypherspace.org/~adam/hashcash/
>
> Digest::HashCash doesn't seem to be a good place, because it's
> not performing a digest
>
> Crypt::HashCash same problem, it's not doing crypto
I think Crypt::HashCash is the best fit. It *does* provide
cryptographic functions, it's just not a cipher. See, e.g.,
Crypt::Random.
- Kurt
