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crypt_blowfish - Modern Password Hashing Algorithm for Crypt
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SUMMARY
DETAILS
crypt_blowfish is a public domain implementation of a modern password
hashing algorithm based on the Blowfish block cipher, provided via the
crypt(3) and a reentrant interface. It is compatible with bcrypt (version
2a) by Niels Provos and David Mazieres, as used in OpenBSD.
The most important property of bcrypt (and thus crypt_blowfish) is that it
is adaptable to future processor performance improvements, allowing you to
arbitrarily increase the processing cost of checking a password while
still maintaining compatibility with your older password hashes.
Already now bcrypt hashes you would use are several orders of magnitude
stronger than traditional Unix DES-based or FreeBSD-style MD5-based
hashes.
ADDITIONAL INFORMATION
The information has been provided by <mailto:solar@openwall.com> Solar
Designer.
For the latest version of this tool visit the project's homepage at:
<http://www.openwall.com/crypt/> http://www.openwall.com/crypt/
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