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Revision 6584 - (show annotations)
Tue Oct 20 19:13:41 2015 UTC (7 years, 3 months ago) by michael
File size: 1329 byte(s)
- Update README.mkpasswd

1 $Id$
2
3 This is documentation for the mkpasswd.c included in ircd-hybrid.
4
5 This version of mkpasswd can create Blowfish, MD5, SHA-256 and SHA-512
6 passwords, with either randomly generated or user provided salts.
7
8 Options:
9 -6 - Create a SHA-512 password
10 -5 - Create a SHA-256 password
11 -m - Create an MD5 password
12 -b - Create a Blowfish password
13 -l - Specify the length of a random MD5 salt
14 -r - Specify a number of rounds for a Blowfish password
15 -p - Specify the plaintext password at the command line
16 -s - Specify the salt at the command line
17 -R - Specify a raw salt passed directly to crypt()
18 -h - Get help
19
20 If no parameter is given, it will create an MD5 password with a randomly
21 generated salt and prompting for the password (without echo).
22
23 An MD5 salt consists of up to 16 (though most implementations limit you to
24 8) alphanumeric characters (plus '.' and '/'),
25 such as 'tGd' or 'J6d4dfG'.
26
27 Known bugs:
28 The encryption algorithms supported depend on your system's crypt()
29 implementation.
30 The maximum length of an MD5 salt is limited to your system's crypt()
31 implementation, typically 8.
32
33 Supported Platforms (Known and tested):
34 Linux glibc (SHA-256/SHA-512 since glibc 2.7, and MD5)
35 FreeBSD 10.2 (SHA-256/SHA-512, Blowfish, and MD5))
36 OpenBSD 5.8 (Blowfish)
37
38 Other systems probably work, but they haven't been amply tested.

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