Finecam — Registration Code

// d) Decode license payload (might be base64+AES) LicensePayload payload = DecodeLicense(cleaned); if (payload == null) return RegistrationResult.CorruptPayload;

private LicensePayload DecodeLicense(string key) finecam registration code

// b) Basic structural validation (e.g., groups of 4 chars) if (!IsCorrectStructure(cleaned)) return RegistrationResult.InvalidFormat; // d) Decode license payload (might be base64+AES)

// a) Sanitize input string cleaned = SanitizeKey(userInput); if (cleaned == null) return RegistrationResult.InvalidFormat; if (cleaned == null) return RegistrationResult.InvalidFormat

private bool VerifySignature(string key)

// c) Cryptographic verification if (!VerifySignature(cleaned)) return RegistrationResult.InvalidSignature;

return RegistrationResult.Success;