public static string GetDigitalSignature(out int N, out int E, out long D)
{
RSAEncryptDecrypt.GenerateKeys(out N, out E, out D);
var Hesh = GetHesh(N);
return(RSAEncryptDecrypt.Encrypt(E, N, Hesh));
}
//--------------------------------
// Генерация ключей
//--------------------------------
public static void GenerateKeys(out int N, out int E, out long D)
{
var P = 0;
var Q = 0;
var ProstList = RSAEncryptDecrypt.ReshetoEratosfena(out P, out Q);
N = P * Q;
var M = (P - 1) * (Q - 1);
E = 0;
while (true)
{
var rnd = ProstList[new Random().Next(0, ProstList.Count - 1)];
if (!EuclidIsNOD1(rnd, M))
{
E = rnd;
break;
}
}
D = 1;
while (D * E % M != 1)
{
D++;
}
}
public static bool CheckDigitalSignature(int N, long D, string HeshE)
{
var Hesh = RSAEncryptDecrypt.Decrypt(D, N, HeshE);
var Hesh2 = GetHesh(N);
if (Hesh == Hesh2)
{
return(true);
}
else
{
return(false);
}
}