Hard Disk Sentinel Activation Key File Apr 2026

public class ActivationKeyFile { private const string ActivationKeyFileExtension = ".hdsak";

public static string GenerateActivationKeyFile(string licenseKey, string userName) { // Generate a unique activation key file var activationKey = Guid.NewGuid().ToString(); var fileContent = $"{licenseKey}:{activationKey}:{userName}";

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();

// Encrypt the file content var encryptedContent = Encrypt(fileContent); Hard Disk Sentinel Activation Key File

return filePath; }

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

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 fileContent = $"{licenseKey}:{activationKey}:{userName}"

return ms.ToArray(); }

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

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

// Decrypt the file content var decryptedContent = Decrypt(fileContent);

// Generate an activation key file var activationKeyFilePath = ActivationKeyFile.GenerateActivationKeyFile(licenseKey, userName); Console.WriteLine($"Activation key file generated: {activationKeyFilePath}");

// Validate the license key var contentParts = decryptedContent.Split(':'); return contentParts[0] == licenseKey; }