private void encrypt_Click(object sender, RibbonControlEventArgs e)
{
//Word.Document doc
String plain = Globals.ThisAddIn.Application.Selection.Text;
CFB cfb = new CFB(Encoding.ASCII.GetBytes(plain), null, defaultkey, defaultIV);
byte[] resbyte = cfb.encrypt();
Globals.ThisAddIn.Application.Selection.Text = ByteArrayToString(resbyte);
}
private void decrypt_Click(object sender, RibbonControlEventArgs e)
{
String cipher = Globals.ThisAddIn.Application.Selection.Text;
CFB cfb = new CFB(null, StringToByteArray(cipher), defaultkey, defaultIV);
byte[] resbyte = cfb.decrypt();
Globals.ThisAddIn.Application.Selection.Text = Encoding.ASCII.GetString(resbyte);
}