<?php
//$string = 'It works ? Or not it works ?';
//$pass = '1234';
//$method = 'aes128';
//
//
//
//$a = openssl_get_cipher_methods();
//print_r($a);
//foreach($a as $v) {
// $res = openssl_encrypt($string,$v,$pass,OPENSSL_RAW_DATA,"dddddddd33333335");
// var_dump($res);
// echo "<br>";
//}
?>
<?php
//$key should have been previously generated in a cryptographically safe way, like openssl_random_pseudo_bytes
$plaintext = "234223423";
$cipher = "aes-128-cbc";
$key = "234wsdfs@#234";
$tag = "sdwewew";
if (in_array($cipher, openssl_get_cipher_methods()))
{
$ivlen = openssl_cipher_iv_length($cipher);
$iv = "0000000000000000";
$ciphertext = openssl_encrypt($plaintext, $cipher, $key, $options=0, $iv);
//store $cipher, $iv, and $tag for decryption later
$original_plaintext = openssl_decrypt($ciphertext, $cipher, $key, $options=0, $iv);
echo $original_plaintext."\n";
}
?>
