public static string Decrypt(byte[] _in)
{
_in = TripleDESProvider.Decrypt(_in);
_in = AESProvider.Decrypt(_in);
string _out = new UTF8Encoding().GetString(_in);
int c = ASCIIProvider.Code;
ASCIIProvider.Code = 10;
_out = ASCIIProvider.Decrypt(_out);
ASCIIProvider.Code = c;
return(_out);
}
private void encryptButton_Click(System.Object sender, System.EventArgs e)
{
string result = "";
string result2 = "";
if (asciiRadioButton.Checked)
{
result = ASCIIProvider.Encrypt(TextBox1.Text);
result2 = ASCIIProvider.Decrypt(result);
}
else if (rijndaelRadioButton.Checked)
{
System.Text.Encoding myEnc = null;
myEnc = System.Text.Encoding.GetEncoding("Windows-1252");
byte[] t = myEnc.GetBytes(TextBox1.Text.ToCharArray());
//convert string to bytes
//Dim input() As Byte = m_utf8.GetBytes(TextBox1.Text.ToCharArray())
byte[] R = RijndaelProvider.Encrypt(t);
result = myEnc.GetString(R);
result2 = myEnc.GetString(RijndaelProvider.Decrypt(R));
}
else if (desRadioButton.Checked)
{
result = DESProvider.Encrypt(TextBox1.Text);
result2 = DESProvider.Decrypt(result);
}
else if (tripleDesRadioButton.Checked)
{
result = TripleDESProvider.Encrypt(TextBox1.Text);
result2 = TripleDESProvider.Decrypt(result);
}
else if (xorRadioButton.Checked)
{
result = XorProvider.Encrypt(TextBox1.Text);
result2 = XorProvider.Decrypt(result);
}
else if (aesRadioButton.Checked)
{
result = AESProvider.Encrypt(TextBox1.Text);
result2 = AESProvider.Decrypt(result);
}
else if (rcTwoRadioButton.Checked)
{
result = RC2Provider.Encrypt(TextBox1.Text);
result2 = RC2Provider.Decrypt(result);
}
else if (rsaRadioButton.Checked)
{
try {
result = RSAProvider.Encrypt(TextBox1.Text);
result2 = RSAProvider.Decrypt(result);
} catch (Exception ex) {
Interaction.MsgBox(ex.ToString());
TextBox1.Text = ex.ToString();
}
}
else
{
Interaction.MsgBox("Invalid Option!!!");
return;
}
outputLabel.Text = "Encrypted Result: " + result + " Decrypted Result: " + result2;
}