public static string DesEncrypt(this string value, string password)
{
var passBytes = Encoding.ASCII.GetBytes(password);
return
(Base64.Encode(Des.DesEncrypt(Encoding.UTF8.GetChars(Encoding.UTF8.GetBytes(value)), passBytes,
passBytes)));
}
private void Encrypt()
{
rtb_CypherText.TextChanged -= rtb_CipherText_TextChanged;
rtb_CypherText.Text = String.Empty;
try
{
switch (cypherMode)
{
case CypherMode.Base64:
rtb_CypherText.Text = rtb_PlainText.Text.Base64Encode();
break;
case CypherMode.Caesar:
rtb_CypherText.Text = rtb_PlainText.Text.CaesarEncrypt((int)nud_Key.Value);
break;
case CypherMode.Des:
if (chk_ByteArrayValues.Checked)
{
var encryptedText = new StringBuilder();
var encryptedBytes = Des.DesEncrypt(Encoding.UTF8.GetChars(Encoding.UTF8.GetBytes(rtb_PlainText.Text)), Encoding.ASCII.GetBytes(tb_Password.Text), Encoding.ASCII.GetBytes(tb_IV.Text));
foreach (var encryptedByte in encryptedBytes)
{
encryptedText.AppendFormat("[{0}]", encryptedByte);
}
rtb_CypherText.Text = encryptedText.ToString();
}
else
{
rtb_CypherText.Text = rtb_PlainText.Text.DesEncrypt(tb_Password.Text, tb_IV.Text);
}
break;
case CypherMode.Rotate:
rtb_CypherText.Text = rtb_PlainText.Text.RotateEncrypt((int)nud_Key.Value);
break;
case CypherMode.TripleDes:
if (chk_ByteArrayValues.Checked)
{
if (chk_KeyAndIVInByteArrayFormat.Checked)
{
}
else
{
var encryptedText = new StringBuilder();
var encryptedBytes = TripleDes.TripleDesEncrypt(Encoding.UTF8.GetChars(Encoding.UTF8.GetBytes(rtb_PlainText.Text)), Encoding.ASCII.GetBytes(tb_Password.Text), Encoding.ASCII.GetBytes(tb_IV.Text));
foreach (var encryptedByte in encryptedBytes)
{
encryptedText.AppendFormat("[{0}]", encryptedByte);
}
rtb_CypherText.Text = encryptedText.ToString();
}
}
else
{
if (chk_KeyAndIVInByteArrayFormat.Checked)
{
}
else
{
rtb_CypherText.Text = rtb_PlainText.Text.TripleDesEncrypt(tb_Password.Text, tb_IV.Text);
}
}
break;
case CypherMode.Xor:
rtb_CypherText.Text = rtb_PlainText.Text.XorCrypt(tb_Password.Text);
break;
}
}
catch (Exception ex)
{
lbl_Error.Text = ex.Message;
}
finally
{
rtb_CypherText.TextChanged += rtb_CipherText_TextChanged;
}
}
public static string DesEncrypt(this string value, string password, string iv)
{
return
(Base64.Encode(Des.DesEncrypt(Encoding.UTF8.GetChars(Encoding.UTF8.GetBytes(value)),
Encoding.ASCII.GetBytes(password), Encoding.ASCII.GetBytes(iv))));
}