public int CryptoSendMiniPacket(byte[] data, PacketType header)
{
if (data == null)
{
data = new byte[BlindNetConst.MINIDATASIZE];
}
int realSendBytes = 0;
BlindMiniPacket pack = new BlindMiniPacket();
pack.header = header;
pack.data = new byte[BlindNetConst.MINIDATASIZE];
Array.Copy(data, 0, pack.data, 0, data.Length);
byte[] encrypted = aes.Encryption(BlindNetUtil.StructToByte(pack));
realSendBytes = socket.Send(encrypted, BlindNetConst.MINIPACKSIZE, SocketFlags.None);
new NetworkStream(socket).Flush();
byte[] result = new byte[BlindNetConst.MINIPACKSIZE];
int rcvNum = socket.Receive(result, BlindNetConst.MINIPACKSIZE, SocketFlags.None);
if (result[0] != (byte)PacketType.OK)
{
return(0);
}
return(realSendBytes);
}
public BlindPacket CryptoReceive(bool isRecieving = false)
{
byte[] data = new byte[BlindNetConst.MINIPACKSIZE];
int rcvNum = 0;
byte[] decrypted = null;
BlindMiniPacket miniPacket = new BlindMiniPacket();
if (!isRecieving)
{
rcvNum = socket.Receive(data, BlindNetConst.MINIPACKSIZE, SocketFlags.None);
new NetworkStream(socket).Flush();
if (rcvNum == 0)
{
BlindPacket end;
end.data = null;
end.header = PacketType.Disconnect;
return(end);
}
byte[] temp = new byte[BlindNetConst.MINIPACKSIZE];
temp[0] = (byte)PacketType.OK;
socket.Send(temp, BlindNetConst.MINIDATASIZE, SocketFlags.None);
decrypted = aes.Decryption(data);
miniPacket = BlindNetUtil.ByteToStruct <BlindMiniPacket>(decrypted);
}
if (isRecieving || miniPacket.header == PacketType.MSG)
{
data = new byte[0];
while (true)
{
byte[] tmp = new byte[BlindNetConst.PACKSIZE];
rcvNum = socket.Receive(tmp, BlindNetConst.PACKSIZE - data.Length, SocketFlags.None);
using (NetworkStream stream = new NetworkStream(socket))
stream.Flush();
#if DEBUG
if (tmp[tmp.Length - 1] == 0)
{
Console.WriteLine("Received less bytes");
}
#endif
if (rcvNum == 0)
{
BlindPacket end;
end.data = null;
end.header = PacketType.Disconnect;
return(end);
}
data = BlindNetUtil.MergeArray <byte>(data, BlindNetUtil.ByteTrimEndNull(tmp));
if (data.Length == BlindNetConst.PACKSIZE)
{
byte[] temp = new byte[BlindNetConst.MINIPACKSIZE];
temp[0] = (byte)PacketType.OK;
socket.Send(temp, BlindNetConst.MINIPACKSIZE, SocketFlags.None);
using (NetworkStream stream = new NetworkStream(socket))
stream.Flush();
break;
}
}
decrypted = aes.Decryption(data);
}
return(BlindNetUtil.ByteToStruct <BlindPacket>(decrypted));
}
