Function decryptForTest

tests/security/auth_security_regressions.php:27–35

(string $data, string $key)

}

function decryptForTest(string $data, string $key): string
{
    $cipher = 'AES-256-CBC';
    $raw = base64_decode($data);
    $ivlen  = openssl_cipher_iv_length($cipher);
    $iv     = substr($raw, 0, $ivlen);
    $ct     = substr($raw, $ivlen);
    return openssl_decrypt($ct, $cipher, $key, OPENSSL_RAW_DATA, $iv) ?: '';
}

function writeEncryptedJson(string $path, array $payload, string $key): void
{