Function encryptForTest

tests/security/auth_security_regressions.php:18–25

(string $data, string $key)

putenv('FR_TEST_USERS_DIR=' . $usersDir);

function encryptForTest(string $data, string $key): string
{
    $cipher = 'AES-256-CBC';
    $ivlen  = openssl_cipher_iv_length($cipher);
    $iv     = openssl_random_pseudo_bytes($ivlen);
    $ct     = openssl_encrypt($data, $cipher, $key, OPENSSL_RAW_DATA, $iv);
    return base64_encode($iv . $ct);
}

function decryptForTest(string $data, string $key): string
{