Cryptor
- Encrypts and Decrypts using a provided key, and random IV
CryptorFixedIv
- Encrypts and Decrypts using a provided key, with fixed (provideable) IV

Examples:

$data = '{"val1":"xxxxxx"}';

$encryption_key = "964POMWCLRCP+A0ER3UMRPODSJGFV3843QĹK,FD9843MQewocm3c4";
$crypt = new CryptorFixedIv($encryption_key);
$encrypted = $crypt->encrypt($data);
echo "\nencrypted: " . $encrypted;

$crypt = new CryptorFixedIv($encryption_key);
echo "\ndecrypted: " . $crypt->decrypt($encrypted);
echo chr(10);

# encrypted: PAlHiBIcsH7A61fPySEasRurrYAGzAmTIMxTR82LB8w=
# decrypted: {"val1":"xxxxxx"}

Compatible with JS:

cd src/JS
npm i
node test.js
# Base64 Encrypted: PAlHiBIcsH7A61fPySEasRurrYAGzAmTIMxTR82LB8w=
# Decrypted Text: {"val1":"xxxxxx"}