private void button2_Click(object sender, EventArgs e)
{
if (des == null)
{
MessageBox.Show(@"Nothing to decrypt");
}
else
{
var decrypted = des?.Decrypt(encrypted, key, iv);
var decryptedMessage = Encoding.UTF8.GetString(decrypted);
textBox3.Text = decryptedMessage;
}
}
private static void TestDES()
{
var des = new DesEncryption();
var key = des.GenerateRandomNumber(8);
var iv = des.GenerateRandomNumber(8);
const string originalText = "Text to encrypt";
var encrypted = des.Encrypt(Encoding.UTF8.GetBytes(originalText), key, iv);
var decrypted = des.Decrypt(encrypted, key, iv);
var decryptedMessage = Encoding.UTF8.GetString(decrypted);
Console.WriteLine($"Original Text: {originalText}");
Console.WriteLine($"Encrypted value: {Convert.ToBase64String(encrypted)}");
Console.WriteLine($"Decrypted Value: {Convert.ToBase64String(decrypted)}");
Console.WriteLine($"Decrypted Text: {decryptedMessage}");
}