- self::EnsureFunctionExists("mcrypt_create_iv");
- $random = mcrypt_create_iv($octets, MCRYPT_DEV_URANDOM);
- if ($random === FALSE) {
+ self::EnsureFunctionExists("openssl_random_pseudo_bytes");
+ $random = openssl_random_pseudo_bytes($octets, $crypto_strong);
+ if ($crypto_strong === FALSE) {