simple and consistent perl framework for authentication

 Authen::Simple is the base package for various authentication methods
 written by the same author and available in the following packages:
 .
   * libauthen-simple-pam-perl
   * libauthen-simple-passwd-perl
   * libauthen-simple-http-perl
   * libauthen-simple-ldap-perl
   * libauthen-simple-smb-perl
   * libauthen-simple-kerberos-perl