jBCrypt - A Java implementation of OpenBSD's Blowfish password hashing code

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jBCrypt is an implementation the OpenBSD Blowfish password hashing algorithm, as described in "A Future-Adaptable Password Scheme" by Niels Provos and David Mazieres. This system hashes passwords using a version of Bruce Schneier's Blowfish block cipher with modifications designed to raise the cost of off-line password cracking. The computation cost of the algorithm is parameterised, so it can be increased as computers get faster.

https://github.com/jeremyh/jBCrypt

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