18 Oct 2010 05:30:24 UTC
- Distribution: String-MkPasswd
- Module version: 0.03
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- License: perl_5
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String::MkPasswd - random password generator
use String::MkPasswd qw(mkpasswd); print mkpasswd(); # for the masochisticly paranoid... print mkpasswd( -length => 27, -minnum => 5, -minlower => 1, # minlower is increased if necessary -minupper => 5, -minspecial => 5, -distribute => 1, );
This Perl library defines a single function,
mkpasswd(), to generate random passwords. The function is meant to be a simple way for developers and system administrators to easily generate a relatively secure password.
mkpasswd()function returns a single scalar: a random password. By default, this password is nine characters long with a random distribution of four lower-case characters, two upper-case characters, two digits, and one non-alphanumeric character. These parameters can be tuned by the user, as described in the "ARGUMENTS" section.
mkpasswd()function takes an optional hash of arguments.
The total length of the password. The default is 9.
The minimum number of digits that will appear in the final password. The default is 2.
The minimum number of lower-case characters that will appear in the final password. The default is 2.
The minimum number of upper-case characters that will appear in the final password. The default is 2.
The minimum number of non-alphanumeric characters that will appear in the final password. The default is 1.
If set to a true value, password characters will be distributed between the left- and right-hand sides of the keyboard. This makes it more difficult for an onlooker to see the password as it is typed. The default is false.
If set to a true value,
mkpasswd()will Carp::croak() rather than return
undefon error. The default is false.
If -minnum, -minlower, -minupper, and -minspecial do not add up to -length, -minlower will be increased to compensate. However, if -minnum, -minlower, -minupper, and -minspecial add up to more than -length, then
undef. See the section entitled "EXCEPTION HANDLING" for how to change this behavior.
undefif it cannot generate a password. Some people are inclined to exception handling, so String::MkPasswd does its best to accomodate them. If the variable
$String::MkPasswd::FATALis set to a true value,
mkpasswd()will Carp::croak() with an error instead of returning
None by default. The
mkpasswd()method is exportable.
Don Libes of the National Institute of Standards and Technology, who wrote the Expect example, mkpasswd(1).
Chris Grau <email@example.com>
Copyright (C) 2003-2010 by Chris Grau
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.1 or, at your option, any later version of Perl 5 you may have available.
Module Install Instructions
To install String::MkPasswd, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install String::MkPasswd
For more information on module installation, please visit the detailed CPAN module installation guide.