# phpman > man > Authen::SASL::Perl::CRAM_MD5(3pm)

## NAME
    [Authen::SASL::Perl::CRAM_MD5](https://www.chedong.com/phpMan.php/perldoc/Authen%3A%3ASASL%3A%3APerl%3A%3ACRAMMD5/markdown) - CRAM MD5 Authentication class

## SYNOPSIS
      use [Authen::SASL](https://www.chedong.com/phpMan.php/perldoc/Authen%3A%3ASASL/markdown) qw(Perl);

      $sasl = [Authen::SASL](https://www.chedong.com/phpMan.php/perldoc/Authen%3A%3ASASL/markdown)->new(
        mechanism => 'CRAM-MD5',
        callback  => {
          user => $user,
          pass => $pass
        },
      );

## DESCRIPTION
    This method implements the client part of the CRAM-MD5 SASL algorithm, as described in RFC 2195
    resp. in IETF Draft draft-ietf-sasl-crammd5-XX.txt.

  CALLBACK
    The callbacks used are:

    user
        The username to be used for authentication

    pass
        The user's password to be used for authentication

## SEE ALSO
    [Authen::SASL](https://www.chedong.com/phpMan.php/perldoc/Authen%3A%3ASASL/markdown), [Authen::SASL::Perl](https://www.chedong.com/phpMan.php/perldoc/Authen%3A%3ASASL%3A%3APerl/markdown)

## AUTHORS
    Software written by Graham Barr <<gbarr@pobox.com>>, documentation written by Peter Marschall
    <<peter@adpm.de>>.

    Please report any bugs, or post any suggestions, to the perl-ldap mailing list
    <<perl-ldap@perl.org>>

## COPYRIGHT
    Copyright (c) 2002-2004 Graham Barr. All rights reserved. This program is free software; you can
    redistribute it and/or modify it under the same terms as Perl itself.

    Documentation Copyright (c) 2004 Peter Marschall. All rights reserved. This documentation is
    distributed, and may be redistributed, under the same terms as Perl itself.