Finecam Registration Code -

// Typically: key = <payload>.<signature> // Decrypt payload (AES‑GCM) using a per‑install random key that is wrapped // with the public key. Return a typed object.

private LicensePayload DecodeLicense(string key) finecam registration code

private bool VerifySignature(string key) // Typically: key = &lt;payload&gt;

// 2. Helper functions -------------------------------------------------------- private string SanitizeKey(string input) // Typically: key = &lt