#!/usr/bin/env perl use Crypt::Ctr; my $aeskey = 'Ready to Have Some Fun'; my $input = 'DzQPUdLS0tKCWf9U6V/UDB3aQEUWCQ=='; my $cipher = new Crypt::Ctr $aeskey, 'Crypt::Rijndael'; print $cipher->decrypt($input) . "\n";