public void RSASimpleEncryptDecrypt()
{
var rsa = new SimpleRSA(11, 13);
Assert.AreEqual(rsa.Modulo, 143u);
Assert.AreEqual(rsa.PublicKey, 7u);
Assert.AreEqual(rsa.PrivateKey, 103u);
Assert.AreEqual(rsa.Encrypt(5), 47u);
Assert.AreEqual(rsa.Decrypt(47), 5u);
}
private void GenNewKeys(object sender, RoutedEventArgs e)
{
string pubKey;
string priKey;
SimpleRSA.GenerateBase64RSAKeys(keysize[cbxKeys.SelectedIndex], out priKey, out pubKey);
var cryptoServiceProvider = new System.Security.Cryptography.RSACryptoServiceProvider(keysize[cbxKeys.SelectedIndex]);
publicKey.Text = cryptoServiceProvider.ExportPublicKey();
privateKey.Text = cryptoServiceProvider.ExportPrivateKey();
}
public void RSALongMessageEncryption()
{
var rsa = new SimpleRSA(3, 11);
Assert.AreEqual(rsa.Modulo, 33u);
Assert.AreEqual(rsa.PublicKey, 3u);
Assert.AreEqual(rsa.PrivateKey, 7u);
var message = new List <uint> {
1, 5, 31, 14, 8
};
var expected = new List <uint>();
foreach (var value in message)
{
expected.Add(NumericUtilities.SolveModulo(value, rsa.PublicKey, rsa.Modulo));
}
var encrypted = rsa.Encrypt(message);
Assert.IsTrue(expected.SequenceEqual(encrypted));
Assert.IsTrue(message.SequenceEqual(rsa.Decrypt(encrypted)));
}
