my $sig_msg = "$email::$name::$nick::$ts::$t";  # this is the message to be signed.

##</code><code>##

my $sig_msg = $email:: . $name:: . $nick:: . $ts:: . $t;

##</code><code>##

my $sig_msg = join "::", $email, $name, $nick, $ts, $t;