Hard Disk Sentinel Activation Key File ⚡ Must Try

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

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

// Validate the license key var contentParts = decryptedContent.Split(':'); return contentParts[0] == licenseKey; } // Save the encrypted content to a file

var decryptor = aes.CreateDecryptor(aes.Key, aes.IV); using var ms = new MemoryStream(encryptedContent, iv.Length, encryptedContent.Length - iv.Length); using var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read); using var sr = new StreamReader(cs); var fileContent = $"{licenseKey}:{activationKey}:{userName}"

return ms.ToArray(); }

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

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