Tool to exploit hash length extension attack

Current version

hashpump requires the following formula to be installed:
openssl 1.0.2n SSL/TLS cryptography library

Recent formula history

Misty De Meo hashpump: use full_index patch
Mike McQuaid hashpump: fix RuboCop warnings.
Mike McQuaid hashpump: don't use %x.
Mike McQuaid Use hash rockets again. (#5177)
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)

Formula code at GitHub