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- jBCrypt is a Java implementation of OpenBSD's Blowfish password
- hashing code, compatible with the canonical C implementation of the
- bcrypt algorithm.
- 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 and frustrate fast hardware implementation.
- The computation cost of the algorithm is parametised, so it can be
- increased as computers get faster. The intent is to make a compromise
- of a password database less likely to result in an attacker gaining
- knowledge of the plaintext passwords (e.g. using John the Ripper).
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