private void button1_Click(object sender, EventArgs e)
{
var txt = System.IO.File.ReadAllText("Files\\10.txt");
var ba = Convert.FromBase64String(txt);
ba = CryptoTools.PadToMultiple(ba, 16);
var key = Encoding.UTF8.GetBytes("YELLOW SUBMARINE");
txtOutput.Text = CryptoTools.CbcDecrypt(key, new byte[16], ba);
}
private void PadText(object sender, EventArgs e)
{
var source = Encoding.UTF8.GetBytes(txtPadSrc.Text);
var multipleOf = Convert.ToInt32(txtPadMultiple.Text);
var str = Encoding.UTF8.GetString(CryptoTools.PadToMultiple(source, multipleOf));
txtOutput.Text = Regex.Replace(str,
@"\p{Cc}",
a => string.Format("\\x{0:X2}", (byte)a.Value[0])
);
}
