Int64 CreateKeys(int number)
{
Console.WriteLine("Создание общего ключа № {0}...", number);
Random random = new Random();
Int64 g = LongArithmetic.NextInt64(random);
Int64 p = LongArithmetic.NextInt64(random);
Console.WriteLine("Отправка параметров g = " + g + " p = " + p);
string message = "";
message = "g = " + g.ToString() + " p = " + p.ToString();
SendInformation(message, stream);
Int64 a = LongArithmetic.NextInt64(random);
BigInteger A = BigInteger.ModPow(g, a, p);
Console.WriteLine("Отправка параметра A = " + A);
message = "A = " + A;
SendInformation(message, stream);
message = ReceiveInformation(stream);
message += ' ';
BigInteger B = BigInteger.Parse(LongArithmetic.GiveLong(ref message));
Console.WriteLine("Получен параметр B = {0}", B);
Int64 Key = Convert.ToInt64(BigInteger.ModPow(B, a, p).ToString());
Key = LongArithmetic.GetFormatKey(Key);
Console.WriteLine("Получен общий ключ № {0}: Key = {1}", number, Key);
var buffer = new byte[8];
buffer = BitConverter.GetBytes(Key);
return(Key);
}
static Int64 CreateKey(int number)
{
Int64 g = 0, p = 0, b = 0, Key = 0;
string message = "";
for (int i = 0; i < 3; i++)
{
switch (i)
{
case 0:
message = ReceiveInformation(stream);
message += ' ';
g = Convert.ToInt64(LongArithmetic.GiveLong(ref message));
p = Convert.ToInt64(LongArithmetic.GiveLong(ref message));
Console.WriteLine("Получены параметры g = {0} и p = {1}", g, p);
Random random = new Random();
b = LongArithmetic.NextInt64(random);
BigInteger B = BigInteger.ModPow(g, b, p);
Console.WriteLine("Отправка параметра B = " + B);
message = "B = " + B;
SendInformation(message, stream);
break;
case 1:
message = ReceiveInformation(stream);
message += ' ';
BigInteger A = BigInteger.Parse(LongArithmetic.GiveLong(ref message));
Console.WriteLine("Получен параметр A = {0}", A);
Key = Convert.ToInt64(BigInteger.ModPow(A, b, p).ToString());
Key = LongArithmetic.GetFormatKey(Key);
Console.WriteLine("Получен общий ключ № {0}: Key = {1}", number, Key);
break;
}
}
return(Key);
}