public static void GenerateKeys(KeysDataTaken info)
{
Directory.CreateDirectory("temp");
var g = new BigInteger(43);
var p = new BigInteger(107);
var a = new BigInteger(new Random().Next());
var b = new BigInteger(info.clave);
File.WriteAllText($"temp\\K1.txt", $"{a}|{(int)BigInteger.ModPow(g, b, p)}");
File.WriteAllText($"temp\\K2.txt", $"{b}|{(int)BigInteger.ModPow(g, a, p)}");
}
public static void GenerateKeys(KeysDataTaken info)
{
Directory.CreateDirectory("temp");
if (SonPrimos(info.key1) && SonPrimos(info.key2) && info.key1 > 1 && info.key2 > 1)
{
var p = new BigInteger(info.key1);
var q = new BigInteger(info.key2);
var n = p * q;
var phi = (p - 1) * (q - 1);
if (phi >= 3)
{
var multiplosPhiN = new List <BigInteger> {
p, q
};
var auxCoprimos = phi;
var cont = new BigInteger(2);
while (auxCoprimos != 1)
{
if (auxCoprimos % cont == 0)
{
if (!multiplosPhiN.Contains(cont))
{
multiplosPhiN.Add(cont);
}
auxCoprimos = auxCoprimos / cont;
}
else
{
cont++;
}
}
var e = new BigInteger(2);
var encontrado = false;
while (!encontrado && e < phi)
{
var divisible = false;
foreach (var divisor in multiplosPhiN)
{
if (BigInteger.ModPow(e, 1, divisor) == 0)
{
divisible = true;
}
}
if (!divisible)
{
encontrado = true;
}
else
{
e++;
}
}
var tablaMod = new BigInteger[2, 2] {
{ phi, phi }, { e, new BigInteger(1) }
};
while (tablaMod[1, 0] != 1)
{
var ArribaIzq = tablaMod[1, 0];
var ArribaDer = tablaMod[1, 1];
tablaMod[1, 1] = tablaMod[0, 1] - ((tablaMod[0, 0] / tablaMod[1, 0]) * tablaMod[1, 1]);
tablaMod[1, 0] = BigInteger.ModPow(tablaMod[0, 0], 1, tablaMod[1, 0]);
tablaMod[0, 0] = ArribaIzq;
tablaMod[0, 1] = ArribaDer;
while (tablaMod[1, 1] < 0)
{
tablaMod[1, 1] += phi;
}
}
File.WriteAllText($"temp\\K1.txt", $"{n}|{e}|{CipherDecipher(new BigInteger(info.clave), tablaMod[1, 1], n)}");
File.WriteAllText($"temp\\K2.txt", $"{n}|{tablaMod[1, 1]}|{CipherDecipher(new BigInteger(info.clave), e, n)}");
}
}
}
