| public static genPseudoPrime ( int bits, int confidence, Random rand ) : BigInteger | ||
| bits | int | |
| confidence | int | |
| rand | Random | |
| return | BigInteger | |
public static BigInteger genPseudoPrime(int bits, int confidence, Random rand)
{
BigInteger result = new BigInteger();
bool done = false;
while(!done)
{
result.genRandomBits(bits, rand);
result.data[0] |= 0x01; // make it odd
// prime test
done = result.isProbablePrime(confidence);
}
return result;
}
private void Generate_Q(Object sender, DoWorkEventArgs e)
{
DateTime dt = DateTime.Now;
int iSeed = (dt.Year + dt.Second + dt.Minute + dt.Millisecond) / 3;
byte[] tmp = new byte[m_bitLength + 1];
tmp = new BigInteger(BigInteger.genPseudoPrime(m_bitLength, new Random(iSeed))).getBytesRaw();
m_RSAParams.Q = tmp;
}
