[hashcash] Digest::Hashcash-0.04 beta (version 1 stamps)

Hi

You can download / try out Digest::Hashcash-0.04 with version 1 stamp
support.  Thanks to Jason for adding the verification code which got
me started on the minting code.

I added some parsing support for version 1 extensions.

Here is the changelog:

        - changes from Jason to verify version 1 stamps
        - more changes from Adam Back: code to create version 1 stamps;
          associated methods for v1 stamps: extension(), version()
        - create v1 stamps by default
        - fix some bugs (hash method was ignoring arguments)
        - add extension parsing
        - fix randomness (earlier versions using rand(3))
        - add version1 extension tests

You can download it from:

        http://www.hashcash.org/libs/perl/

        http://www.hashcash.org/libs/perl/Digest-Hashcash-0.04.tgz

I am not sure how you add updates to CPAN.

Cc Marc Lehmann.  Maybe Marc would like to tweak the code for
stylistic preferences and/or fix any misconceptions about how the
class was intended to work.

Adam

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