use Crypt::PasswdMD5;

          sub my_md5_crypt {
          my $salt;

          for(0..7) {
              $salt .= ('.', '/', 0..9, 'A'..'Z','a'..'z')[rand 64];
          }
          my $pass = shift; #clear text password

          return unix_md5_crypt($pass, '$1$' . $salt . '$');
          }