private void btn_gen_d_Click(object sender, System.Windows.RoutedEventArgs eargs)
{
long m = ed_var_m.Value.Value;
long e = ed_var_e.Value.Value;
ed_var_d.Value = RSAHelper.GetMultInv(e, m);
}
private void testValues()
{
if (!intialized)
{
return;
}
SolidColorBrush b_true = new SolidColorBrush(Colors.Green);
SolidColorBrush b_false = new SolidColorBrush(Colors.Red);
long p = ed_var_p.Value.Value;
long q = ed_var_q.Value.Value;
long n = ed_var_n.Value.Value;
long m = ed_var_m.Value.Value;
long e = ed_var_e.Value.Value;
long d = ed_var_d.Value.Value;
ell_test_p.Fill = RSAHelper.IsPrime(p) ? b_true : b_false;
ell_test_q.Fill = RSAHelper.IsPrime(q) ? b_true : b_false;
ell_test_n.Fill = (n == p * q) ? b_true : b_false;
ell_test_m.Fill = (m == (p - 1) * (q - 1)) ? b_true : b_false;
ell_test_e.Fill = RSAHelper.GGT(e, m) == 1 ? b_true : b_false;
ell_test_d.Fill = (m != 0 && (e * d) % m == 1) ? b_true : b_false;
bool correct = RSAHelper.IsPrime(p) && RSAHelper.IsPrime(q) && (n == p * q) && (m == (p - 1) * (q - 1)) && (RSAHelper.GGT(e, m) == 1) && (m != 0 && (e * d) % m == 1);
lblPublicKey.Content = correct ? string.Format("PUBLIC KEY = (e|N) = ({0}|{1})", e, n) : "ERROR";
lblPrivateKey.Content = correct ? string.Format("PRIVATE KEY = (d|N) = ({0}|{1})", d, n) : "ERROR";
}
private void Button_Click(object sender, System.Windows.RoutedEventArgs eargs)
{
string plain = edPlainText.Text;
StringBuilder numberBuilder = new StringBuilder();
StringBuilder cryptBuilder = new StringBuilder();
int count = 0;
foreach (char chr in plain)
{
char cr = char.ToUpper(chr);
if (cr == ' ')
{
numberBuilder.Append("00");
cryptBuilder.Append("00");
}
else if (cr >= 'A' && cr <= 'Z')
{
numberBuilder.AppendFormat("{0:00}", (int)(cr - 'A' + 1));
cryptBuilder.AppendFormat("{0:00}", (int)(cr - 'A' + 1));
}
numberBuilder.Append(" ");
if (count++ == 2)
{
cryptBuilder.Append(" ");
count = 0;
}
}
edNumberized.Text = numberBuilder.ToString();
edPlainNumbers.Text = cryptBuilder.ToString();
//###############
long e = ed_Key_e.Value.Value;
long n = ed_Key_n.Value.Value;
StringBuilder readyBuilder = new StringBuilder();
foreach (int b in cryptBuilder.ToString().Split(' ').Where(p => RSAHelper.isInt(p)).Select(p => Convert.ToInt64(p)).ToList())
{
string dbgout = "";
string dbgout2 = "";
long v = RSAHelper.BinaryModuloPow(b, e, n, ref dbgout, ref dbgout2);
readyBuilder.AppendFormat("{0:000000} ", v);
}
edCryptNumbers.Text = readyBuilder.ToString();
}
private void Button_Click(object sender, System.Windows.RoutedEventArgs eargs)
{
long d = ed_Key_d.Value.Value;
long n = ed_Key_n.Value.Value;
string code = edCryptNumbers.Text;
StringBuilder readyBuilder = new StringBuilder();
foreach (int b in code.Split(' ').Where(p => RSAHelper.isInt(p)).Select(p => Convert.ToInt64(p)).ToList())
{
string dbgout = "";
string dbgout2 = "";
long v = RSAHelper.BinaryModuloPow(b, d, n, ref dbgout, ref dbgout2);
readyBuilder.AppendFormat("{0:000000} ", v);
}
edNumberized.Text = readyBuilder.ToString();
StringBuilder numberBuilder = new StringBuilder();
foreach (int b in readyBuilder.ToString().Split(' ').Where(p => RSAHelper.isInt(p)).Select(p => Convert.ToInt64(p)).ToList())
{
numberBuilder.AppendFormat("{0:00} ", (b / 10000) % 100);
numberBuilder.AppendFormat("{0:00} ", (b / 100) % 100);
numberBuilder.AppendFormat("{0:00} ", (b / 1) % 100);
}
edPlainNumbers.Text = numberBuilder.ToString();
StringBuilder textBuilder = new StringBuilder();
foreach (int b in numberBuilder.ToString().Split(' ').Where(p => RSAHelper.isInt(p)).Select(p => Convert.ToInt64(p)).ToList())
{
if (b == 0)
{
textBuilder.Append(' ');
}
else
{
textBuilder.Append((char)('A' + (b - 1)));
}
}
edPlainText.Text = textBuilder.ToString();
}
private void ed_encode_before_ValueChanged(object sender, System.Windows.RoutedPropertyChangedEventArgs <object> eargs)
{
if (!intialized)
{
return;
}
long b = ed_encode_before.Value.Value;
long e = ed_Key_e.Value.Value;
long n = ed_Key_n.Value.Value;
if (e == 0)
{
ell_test_encode.Fill = new SolidColorBrush(Colors.Red);
memoInfo.Text = "[ERR] e == 0";
return;
}
if (n == 0)
{
ell_test_encode.Fill = new SolidColorBrush(Colors.Red);
memoInfo.Text = "[ERR] N == 0";
return;
}
if (b >= n)
{
ell_test_encode.Fill = new SolidColorBrush(Colors.Red);
memoInfo.Text = "[ERR] b >= N";
return;
}
string dbgout = "";
string dbgout2 = "";
long v = RSAHelper.BinaryModuloPow(b, e, n, ref dbgout, ref dbgout2);
ed_encode_after.Value = v;
ell_test_encode.Fill = new SolidColorBrush(Colors.Green);
memoInfo.Text = string.Format("({0}^{1}) % {2}\r\n = {3}\r\n({4})\r\n = {5}", b, e, n, dbgout, dbgout2, v);
}
private void btn_gen_e_Click(object sender, System.Windows.RoutedEventArgs eargs)
{
long m = ed_var_m.Value.Value;
ed_var_e.Value = RSAHelper.GetRandomCoprime(m);
}
private void btn_gen_q_Click(object sender, System.Windows.RoutedEventArgs eargs)
{
ed_var_q.Value = RSAHelper.GetPrime();
}
