Finecam Registration Code Official

// 1) Decode base64 segment that contains the digital signature // 2) Use the embedded public key (RSA 2048 or ECDSA P‑256) to verify // 3) Constant‑time comparison to avoid timing attacks

// 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. finecam registration code

// 2. Helper functions -------------------------------------------------------- private string SanitizeKey(string input) // 1) Decode base64 segment that contains the

// f) Persist securely SaveLicenseSecurely(payload); finecam registration code

// Trim, upper‑case, remove whitespace/hyphens as needed // Return null if characters outside allowed set are found