public static BigInteger GetPrimeNumber(BigInteger min, BigInteger max)
{
BigInteger number = 0;
while (true)
{
number = GetNumber(min, max);
if (number.IsEven)
{
number--;
}
if (PrimeTester.FullTest(number) == true)
{
return(number);
}
}
}
public CommonData()
{
Q = RandomGenerator.GetPrimeNumber(256);
do
{
_n = RandomGenerator.GetNumber(700);
if (_n.IsEven == false)
{
_n++;
}
P = _n * Q + 1;
}while (PrimeTester.FullTest(P) == false);
do
{
var a = RandomGenerator.GetNumber(2, P - 1);
G = MathUtils.ModExp(a, _n, P);
}while (G == 1);
}
public static BigInteger GetPrimeNumber(int lengthInBits)
{
BigInteger number = 0;
while (true)
{
number = GetNumber(lengthInBits);
if (number.IsEven)
{
number--;
}
if (number < 0)
{
continue;
}
if (PrimeTester.FullTest(number) == true)
{
return(number);
}
}
}
