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pkgsrc/security/py-py-bcrypt/DESCR@1.1
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Import py27-py-bcrypt-0.4 as security/py-py-bcrypt.
py-bcrypt is a Python wrapper of OpenBSD's Blowfish password hashing code, 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 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).
As of py-bcrypt-0.4, this module can also be used as a Key Derivation Function
(KDF) to turn a password and salt into a cryptographic key.
py-bcrypt is a Python wrapper of OpenBSD's Blowfish password hashing code, 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 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).
As of py-bcrypt-0.4, this module can also be used as a Key Derivation Function
(KDF) to turn a password and salt into a cryptographic key.