public DiscreteLogAlgorithmsInfoForm()
{
InitializeComponent();
textBox1.Select(0, 0);
// textBox2.Select(0, 0);
base1 = new BigInteger(r.Next(100000) + 2);
base2 = new BigInteger(r.Next(100000) + 2);
mod1 = CryptoMath.genSimpleRand(8);
if (mod1 == base1)
{
mod1++;
}
mod2 = CryptoMath.genSimpleRand(8);
if (mod2 == base2)
{
mod1++;
}
BigInteger rnd1 = CryptoMath.genRand(100000);
BigInteger rnd2 = CryptoMath.genRand(100000);
num1 = BigInteger.ModPow(base1, rnd1, mod1);
num2 = BigInteger.ModPow(base2, rnd2, mod2);
Task1Label.Text =
base1.ToString() + "^x = " + num1.ToString() + " mod " + mod1.ToString();
Task2Label.Text =
base2.ToString() + "^x = " + num2.ToString() + " mod " + mod2.ToString();
}
private void testBtn_Click(object sender, EventArgs e)
{
this.Enabled = false;
ansLabel.Visible = false;
BigInteger testInt;
BigInteger.TryParse(inputBox.Text, out testInt);
if (testInt > 0)
{
if (CryptoMath.isPrime(testInt))
{
ansLabel.Text = "Введённое число - простое";
}
else
{
ansLabel.Text = "Введённое число - составное";
}
}
else
{
ansLabel.Text = "Введено неправильное значение";
}
ansLabel.Visible = true;
this.Enabled = true;
}
private void genpgBtn_Click(object sender, EventArgs e)
{
string pstr;
switch (digitsBox.Text)
{
case "p40":
pstr = "7524548124131735373612526345481757634861";
BigInteger.TryParse(pstr, out p);
g = 7;
break;
case "p41":
pstr = "61571157514825784611687343327637886854113";
BigInteger.TryParse(pstr, out p);
g = 3;
break;
default:
p = CryptoMath.genSimpleRand(digits);
g = CryptoMath.calculateFakePrimitiveRoot(p);
break;
}
pBox.Text = p.ToString();
gBox.Text = g.ToString();
}
//генерация р
private void generatepBtn_Click(object sender, EventArgs e)
{
p = CryptoMath.genSimpleRand(digits);
gtextBox.Text = "";
xtextBox.Text = "";
ytextBox.Text = "";
ptextBox.Text = p.ToString();
}
private void generatekBtn_Click(object sender, EventArgs e)
{
do
{
k = CryptoMath.genRand(20);
} while (k > p - 1);
kBox.Text = k.ToString();
}
private void fakeGenBtn_Click(object sender, EventArgs e)
{
if (modulo < 3)
{
pBox.Text = "12345";
}
primit = CryptoMath.calculateFakePrimitiveRoot(modulo);
fakeBox.Text = primit.ToString();
}
private void genkBtn_Click(object sender, EventArgs e)
{
// matan.DIGITS = 10;
do
{
k = CryptoMath.genRand(10);
} while (k > p - 1);
kBox.Text = k.ToString();
}
private void calcBtn_Click(object sender, EventArgs e)
{
this.Enabled = false;
input = BigInteger.Parse(inputBox.Text);
input = CryptoMath.phi(input);
outputBox.Text = input.ToString();
label2.Visible = true;
outputBox.Visible = true;
this.Enabled = true;
}
private void generatexBtn_Click(object sender, EventArgs e)
{
if (p > 2)
{
do
{
x = CryptoMath.genRand(digits);
}while (x == 0 || x >= p);
}
xtextBox.Text = x.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
if (BigInteger.TryParse(answerBox1.Text, out ans1) && BigInteger.TryParse(answerBox2.Text, out ans2) && BigInteger.TryParse(answerBox3.Text, out ans3))
{
Answers.EulerAnswers[0] = (ans1 == CryptoMath.phi(fi1));
Answers.EulerAnswers[1] = (ans2 == CryptoMath.phi(fi2));
Answers.EulerAnswers[2] = (ans3 == CryptoMath.phi(fi3));
//var newForm = new TutorForm3();
//newForm.Show();
Answers.interruptTutorial = false;
this.Close();
}
}
private void RandomDataButton_Click(object sender, EventArgs e)
{
Random rand = new Random();
int size = rand.Next(11) + 2;
BigInteger M = 0;
while (!CryptoMath.isPrime((M - 1) / 2))
{
M = CryptoMath.genSimpleRand(size);
}
MBox.Text = M.ToString();
ABox.Text = (CryptoMath.genRand(rand.Next(size - 1) + 1) + 2).ToString();
BBox.Text = (CryptoMath.genRand(rand.Next(size - 1) + 1)).ToString();
}
private void generategBtn_Click(object sender, EventArgs e)
{
this.Enabled = false;
if (p > 2)
{
if (CryptoMath.DIGITS > 10)
{
g = CryptoMath.calculateFakePrimitiveRoot(p);
}
else
{
g = CryptoMath.calculatePrimitiveRoot(p);
}
}
gtextBox.Text = g.ToString();
this.Enabled = true;
}
private void nextBtn_Click(object sender, EventArgs e)
{
if (CryptoMath.isPrime(p) && p > 2 && x > 1 && g > 1 && y > 0)
{
//var newForm = new TutorForm6(g, p, y, x);
//newForm.Show();
Answers.g = g;
Answers.p = p;
Answers.y = y;
Answers.x = x;
Answers.interruptTutorial = false;
this.Close();
}
if (!CryptoMath.isPrime(p))
{
wrongpLabel.Visible = true;
}
}
private void generatepBtn_Click(object sender, EventArgs e)
{
modulo = CryptoMath.genSimpleRand(digits);
pBox.Text = modulo.ToString();
}
private void PohligButton_Click(object sender, EventArgs e)
{
BSGSProgressBar.Value = 0;
BigInteger a, b, m, answer;
a = 0;
b = 0;
m = 0;
answer = 0;
ResultLabel.Visible = false;
ResultLabel.ForeColor = Color.Red;
BigInteger.TryParse(ABox.Text, out a);
BigInteger.TryParse(BBox.Text, out b);
BigInteger.TryParse(MBox.Text, out m);
if (a < 2 || b < 0 || m < 3 || b > m)
{
ResultLabel.Text = "Неправильный ввод данных";
}
else if (!(CryptoMath.isPrime(m)))
{
ResultLabel.Text = "М должно быть простым";
}
else
{
if (m.ToString().Length > 5)
{
ResultLabel.Text = "Слишком большое М - \nВозможно крайне долгое время работы";
ResultLabel.Visible = true;
}
try
{
BSGSProgressBar.Visible = true;
this.Enabled = false;
answer = SilverPohligHellman.PohligHellman(a, b, m, BSGSProgressBar);
}
catch (OutOfMemoryException)
{
ResultLabel.Text = "Нехватка оперативной памяти";
ResultLabel.Visible = true;
this.Enabled = true;
return;
}
if (answer == -1)
{
ResultLabel.Text = "Такого Х не найдено";
}
else
{
ResultLabel.ForeColor = Color.Green;
ResultLabel.Text = $"X = {answer}";
if (BigInteger.ModPow(a, answer, m) != b)
{
ResultLabel.ForeColor = Color.Red;
ResultLabel.Text = "Такого Х не найдено";
}
// ResultLabel.Text += "?";
}
}
BSGSProgressBar.Visible = false;
ResultLabel.Visible = true;
this.Enabled = true;
}
