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man pages section 7: Standards, Environments, Macros, Character Sets, and Miscellany

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Updated: Wednesday, August 8, 2018
 
 

crypt_bsdbf(7)

Name

crypt_bsdbf - password hashing module using Blowfish cryptographic algorithm

Synopsis

/usr/lib/security/$ISA/crypt_bsdbf.so

Description

The crypt_bsdbf module is a one-way password hashing module for use with crypt(3C) that uses the Blowfish cryptographic algorithm. The algorithm identifier for crypt.conf(5) and policy.conf(5) is 2a.

The maximum password length for crypt_bsdbf is 72 characters.

The default number of rounds is log(4). This can be increased by updating /etc/security/crypt.conf, for example, for log(12) rounds:

2a crypt_bsdbf.so.1    12

Attributes

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
MT-Level
Safe

See Also

passwd(1), crypt(3C), crypt_genhash_impl(3C), crypt_gensalt(3C), crypt_gensalt_impl(3C), getpassphrase(3C), crypt.conf(5), passwd(5), policy.conf(5), attributes(7)