private void f4_button_SetCb_Click(object sender, EventArgs e)
{
f4_textCb.Text = new string(f4_textCb.Text.Where(t => char.IsDigit(t)).ToArray());
if (f4_textCb.TextLength > 0)
{
BigInteger P = BigInteger.Parse(f4_textP.Text);
BigInteger Cb = BigInteger.Parse(f4_textCb.Text);
if ((NumberTheory.GCD(Cb, P - 1, out BigInteger x, out BigInteger y) == 1))
{
f4_textDb.Text = Convert.ToString(NumberTheory.Foo(Cb, P - 1));
f4_textCb.ReadOnly = true;
f4_button_GetRandomCb.Enabled = false;
f4_button_SetCb.Enabled = false;
f4_button_ChangeCb.Enabled = true;
}
}
}
private void f9_button_SetSecretKey_Click(object sender, EventArgs e)
{
f9_textSecretKey.Text = new string(f9_textSecretKey.Text.Where(t => char.IsDigit(t)).ToArray());
BigInteger SecretKey;
BigInteger P = BigInteger.Parse(f9_textP.Text);
BigInteger Q = BigInteger.Parse(f9_textQ.Text);
BigInteger N = BigInteger.Parse(f9_textN.Text);
BigInteger fi = (P - 1) * (Q - 1); // Функция Эйлера от N
if (f9_textSecretKey.TextLength > 0)
{
SecretKey = BigInteger.Parse(f9_textSecretKey.Text);
SecretKey = SecretKey % N;
if (SecretKey > 1 && NumberTheory.GCD(SecretKey, fi, out BigInteger x, out BigInteger y) == 1)
{
f9_textOpenKey.Text = Convert.ToString(NumberTheory.Foo(SecretKey, fi));
f9_button_SetSecretKey.Enabled = false;
f9_button_GetRandomSecret.Enabled = false;
f9_button_ClearSecretKey.Enabled = true;
f9_buttonSign.Enabled = true;
}
}
}