Hard Disk Sentinel Activation Key File -

public static bool ValidateActivationKeyFile(string filePath, string licenseKey) { // Read the activation key file var fileContent = File.ReadAllBytes(filePath);

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

// Decrypt the file content var decryptedContent = Decrypt(fileContent); public static bool ValidateActivationKeyFile(string filePath

private static byte[] Encrypt(string plainText) { // Implement encryption logic here // For example, using Aes encryption using var aes = Aes.Create(); aes.GenerateKey(); aes.GenerateIV(); var userName = "John Doe"

var encryptor = aes.CreateEncryptor(aes.Key, aes.IV); using var ms = new MemoryStream(); ms.Write(aes.IV, 0, aes.IV.Length); using var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write); using var sw = new StreamWriter(cs); sw.Write(plainText);

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

return filePath; }