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38 lines
1.4 KiB
Text
38 lines
1.4 KiB
Text
mkpasswd.c documentation
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This is documentation for the updated mkpasswd.c included with a number
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of ircd, irc services, and non-IRC related programs
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This version of mkpasswd can create Blowfish, MD5, SHA256, and SHA512 crypted
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passwords, with either randomly generated or user provided salts.
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Options:
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-x Generate a SHA256 password
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-y Generate a SHA512 password
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-m Generate an MD5 password
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-b Generate a Blowfish password
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-l Specify a length for a random MD5 or Blowfish salt
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-r Specify a number of rounds for a Blowfish password
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Default 4, no more than 6 recommended
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-s Specify a salt, up to 16 for MD5, SHA256, and SHA512
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up to 22 for Blowfish
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-p Specify a plaintext password to use
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-? Get brief help
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-h Get extended help
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Without the presence of any parameters, it'll generate a SHA512 hash with a
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randomly generated salt and prompting for the password (without echo).
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An MD5, SHA256, and SHA512 salt consists of up to 16 alphanumeric characters
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(plus '.' and '/'), such as 'tGd' or 'J6d4dfG'.
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A Blowfish salt consists of up to 22 alphanumeric characters (plus '.' and
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'/'). Blowfish also specifies a number of rounds*, by default 4.
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Blowfish may not always be available, but MD5, SHA256, and SHA512 are
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guaranteed to be.
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This program should work anywhere Solanum does; if you find otherwise, file
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a bug.
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* Blowfish's rounds parameter is a logarithm, not an integer value
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