public override Task WriteAsync(ArraySegment <byte> buffer, CancellationToken cancellationToken = new CancellationToken())
{
var buf = ArrayPool <byte> .Shared.Rent(buffer.Count + 20);
var ctext = new ArraySegment <byte>(buf, 20, buffer.Count);
var tag = new ArraySegment <byte>(buf, 4, 16);
BitConverter.TryWriteBytes(new ArraySegment <byte>(buf, 0, 4), buffer.Count);
lock (_writeNonce)
{
_aes.Encrypt(_writeNonce, buffer, ctext, tag);
IncrementNonce(_writeNonce);
}
async Task Send()
{
await WrappedSocket.WriteAsync(new ArraySegment <byte>(buf, 0, buffer.Count + 20), cancellationToken);
ArrayPool <byte> .Shared.Return(buf);
}
return(Send());
}
public override Task WriteAsync(ArraySegment <byte> buffer, CancellationToken cancellationToken = new CancellationToken())
{
_data.BytesWritten += buffer.Count;
return(WrappedSocket.WriteAsync(buffer, cancellationToken));
}
