private void BtnGetRSAElements_Click(object sender, EventArgs e)
{
//65537
var primes = RSACrypto.RSAHelper.GeneratePrimes(10000);
var result = RSACrypto.RSAHelper.GetTwoPrimes(primes);
string Prime1 = primes[(int)result[0]].ToString();
string Prime2 = primes[(int)result[1]].ToString();
var N = primes[(int)result[0]] * primes[(int)result[1]];
p = Convert.ToUInt64(primes[(int)result[0]]);
q = Convert.ToUInt64(primes[(int)result[1]]);
textBox2.Text = Prime1;
textBox3.Text = Prime2;
textBox8.Text = N.ToString();
//
//call the function for calculating e here
var phi = RSAlgorithm.Phi(p, q);
EDForm.e = RSAlgorithm.Find_E(phi);
bool flag = false;
for (ulong j = 1; !flag; j++)
{
if ((EDForm.e * j) % phi == 1)
{
d = j;
flag = true;
break;
}
}
//Set Public and Private Key
textBox4.Text = EDForm.e.ToString();
textBox9.Text = d.ToString();
if (MakerCheckerMessageMemoEdit.Text.Trim() == "")
{
MakerCheckerMessageMemoEdit.Text = "P=" + Prime1 + ", Q=" + Prime2 + ", N=" + N + System.Environment.NewLine + "Public Key=[" + EDForm.e.ToString() + "," + N + "]" + System.Environment.NewLine + "Private Key=[" + d.ToString() + ", " + N + "]";
}
else
{
MakerCheckerMessageMemoEdit.Text = MakerCheckerMessageMemoEdit.Text + System.Environment.NewLine + "_______________________________________________" + System.Environment.NewLine + "P=" + Prime1 + ", Q=" + Prime2 + ", N=" + N + System.Environment.NewLine + "Public Key=[" + EDForm.e.ToString() + "," + N + "]" + System.Environment.NewLine + "Private Key=[" + d.ToString() + ", " + N + "]";
}
//button3.Text = "Reset Details";
Application.DoEvents();
}
public static object[] PopulateKeys(ulong e, ulong d, ulong p, ulong q, params TextBox[] textBoxes)
{
var primes = GeneratePrimes(10000);
var result = GetTwoPrimes(primes);
string Prime1 = primes[(int)result[0]].ToString();
string Prime2 = primes[(int)result[1]].ToString();
var N = RSAlgorithm
.N((ulong)primes[result[0]], (ulong)primes[result[1]]);
p = Convert.ToUInt64(primes[result[0]]);
q = Convert.ToUInt64(primes[result[1]]);
textBoxes[0].Text = Prime1;
textBoxes[1].Text = Prime2;
textBoxes[2].Text = N.ToString();
var phi = RSAlgorithm.Phi(p, q);
e = RSAlgorithm.Find_E(phi);
bool flag = false;
for (ulong j = 1; !flag; j++)
{
if ((e * j) % phi == 1)
{
d = j;
flag = true;
}
}
textBoxes[3].Text = e.ToString();
textBoxes[4].Text = d.ToString();;
var returnValues = new object[] { p, q, N, e, d };
return(returnValues);
}
