/// <summary>
/// Receive the first 768 bits of the transmission from the remote client, which is Y in the protocol
/// (Either "1 A->B: Diffie Hellman Ya, PadA" or "2 B->A: Diffie Hellman Yb, PadB")
/// </summary>
async ReusableTask ReceiveYAsync()
{
using (MemoryPool.Default.Rent(96, out Memory <byte> otherY))
using (NetworkIO.BufferPool.Rent(otherY.Length, out Memory <byte> buffer)) {
await ReceiveMessageAsync(buffer).ConfigureAwait(false);
buffer.Span.CopyTo(otherY.Span);
S = ModuloCalculator.Calculate(otherY.Span, X);
await DoneReceiveY().ConfigureAwait(false);
}
}
protected EncryptedSocket(Factories factories, IList <EncryptionType> allowedEncryption)
{
unsafeRandom = new Random();
random = RandomNumberGenerator.Create();
hasher = factories.CreateSHA1();
X = new byte[20];
random.GetBytes(X);
Y = ModuloCalculator.Calculate(ModuloCalculator.TWO, X);
SetMinCryptoAllowed(allowedEncryption);
}
