private void button1_Click(object sender, EventArgs e) { byte[] rijnKey; byte[] rijnIV; Encoding byteEncoder = Encoding.UTF8; rijnKey = byteEncoder.GetBytes("3b2dyfxd_ob5efyiarcd8fg_ajcde4g1"); rijnIV = byteEncoder.GetBytes("z5c6etssdbjdeeg_"); if (textBox1.Text.Length > 0) { string encrypted = Encrypter.EncryptIt(textBox1.Text.Trim(), rijnKey, rijnIV); RegisteredDetails rgd; LicenseBreaker breaker = new LicenseBreaker(encrypted); rgd = breaker.BreakKey(); MessageBox.Show(rgd.GetMD5()); string newunencrypted = textBox1.Text.Trim() + "|md5=" + rgd.GetMD5(); MessageBox.Show(newunencrypted); encrypted = Encrypter.EncryptIt(newunencrypted, rijnKey, rijnIV); textBox2.Text = encrypted; } textBox3.Text = Encrypter.DecryptIt(textBox2.Text.Trim(), rijnKey, rijnIV); }