Key File | Hard Disk Sentinel Activation

// Validate the activation key file var isValid = ActivationKeyFile.ValidateActivationKeyFile(activationKeyFilePath, licenseKey); Console.WriteLine($"Activation key file is valid: {isValid}"); } }

// Save the encrypted content to a file var filePath = $"{userName}{ActivationKeyFileExtension}"; File.WriteAllBytes(filePath, encryptedContent); Hard Disk Sentinel Activation Key File

public class ActivationKeyFile { private const string ActivationKeyFileExtension = ".hdsak"; // Validate the activation key file var isValid

return sr.ReadToEnd(); } } class Program { static void Main(string[] args) { var licenseKey = "sample-license-key"; var userName = "John Doe"; var userName = "John Doe"

private static string Decrypt(byte[] encryptedContent) { // Implement decryption logic here // For example, using Aes decryption using var aes = Aes.Create(); var iv = new byte[aes.BlockSize / 8]; Array.Copy(encryptedContent, iv, iv.Length); aes.IV = iv; aes.GenerateKey();