ISPCP omega, database password decrypt

<?php

function decrypt_db_password ($db_pass, $ispcp_db_pass_key, $ispcp_db_pass_iv) {
        if ($db_pass == '')
                return '';

        $i = 1;
        if (extension_loaded('mcrypt') || @dl('mcrypt.' . PHP_SHLIB_SUFFIX)) {
                $text = @base64_decode($db_pass . "\n");
                // Open the cipher
                $td = @mcrypt_module_open ('blowfish', '', 'cbc', '');
                // Create key
                $key = $ispcp_db_pass_key;
                // Create the IV and determine the keysize length
                $iv = $ispcp_db_pass_iv;

                // Intialize encryption
                @mcrypt_generic_init ($td, $key, $iv);
                // Decrypt encrypted string
                $decrypted = @mdecrypt_generic ($td, $text);
                @mcrypt_module_close ($td);

                // Show string
                return trim($decrypted);
        } else {
                die();
        }
}