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$Id$ |
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This is documentation for the mkpasswd.c included in ircd-hybrid. |
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This version of mkpasswd can create Blowfish, MD5, SHA-256 and SHA-512 |
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passwords, with either randomly generated or user provided salts. |
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Options: |
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-6 - Create a SHA-512 password |
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-5 - Create a SHA-256 password |
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-m - Create an MD5 password |
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-b - Create a Blowfish password |
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-l - Specify the length of a random MD5 salt |
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-r - Specify a number of rounds for a Blowfish password |
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-p - Specify the plaintext password at the command line |
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-s - Specify the salt at the command line |
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-R - Specify a raw salt passed directly to crypt() |
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-h - Get help |
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If no parameter is given, it will create an MD5 password with a randomly |
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generated salt and prompting for the password (without echo). |
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An MD5 salt consists of up to 16 (though most implementations limit you to |
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8) alphanumeric characters (plus '.' and '/'), |
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such as 'tGd' or 'J6d4dfG'. |
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Known bugs: |
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The encryption algorithms supported depend on your system's crypt() |
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implementation. |
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The maximum length of an MD5 salt is limited to your system's crypt() |
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implementation, typically 8. |
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Supported Platforms (Known and tested): |
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Linux glibc (SHA-256/SHA-512 since glibc 2.7, and MD5) |
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FreeBSD 10.2 (SHA-256/SHA-512, Blowfish, and MD5)) |
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OpenBSD 5.8 (Blowfish) |
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Other systems probably work, but they haven't been amply tested. |
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