public HKeyExchange(BigInteger PublicExponent, BigInteger PublicModulus, BigInteger PrivateExponent, int BitSize = 16)
{
this.BitSize = BitSize;
IsInitiator = (PrivateExponent != null);
RSA = new RSAKey(PublicExponent, PublicModulus, PrivateExponent);
if (IsInitiator)
{
do
{
DHPrime = BigInteger.genPseudoPrime(212, 6, ByteGen);
}while (!DHPrime.isProbablePrime());
do
{
DHGenerator = BigInteger.genPseudoPrime(212, 6, ByteGen);
}while (DHGenerator == DHPrime || !DHPrime.isProbablePrime());
if (DHGenerator > DHPrime)
{
BigInteger DHGenShell = DHGenerator;
DHGenerator = DHPrime;
DHPrime = DHGenShell;
}
DHPrivate = new BigInteger(RandomHex(30), BitSize);
DHPublic = DHGenerator.modPow(DHPrivate, DHPrime);
}
}
public override byte[] ToBytes()
{
return(TLUtils.Combine(
TLUtils.SignatureToBytes(Signature),
Nonce.ToBytes(),
ServerNonce.ToBytes(),
G.ToBytes(),
DHPrime.ToBytes(),
GA.ToBytes(),
ServerTime.ToBytes()));
}
