public PacketGenerator utf8(string a)
{
PacketGenerator tmp = dword((uint)a.Length);
foreach (char c in a)
{
tmp = tmp.bit((byte)c);
}
return(tmp);
}
public void sendPacket(int packetType, PacketGenerator pg, string nonce = "nonce")
{
byte[] toSend = new byte[7 + pg.getBytes().Length];
byte[] aPacketID = new byte[2] { (byte)(packetType>>8), (byte)packetType };
PacketUtils.byteArrayCopy(aPacketID, 0, toSend, 0, 2);
int length = pg.getBytes().Length;
byte[] aLength = new byte[3] { (byte)(length >> 16), (byte)(length >> 8), (byte)length };
PacketUtils.byteArrayCopy(aLength, 0, toSend, 2, 3);
toSend[4] = 0x00;
toSend[5] = 0xef;
int[] bytesAsInts = pg.getBytes().Select(x => (int)x).ToArray();
int[] encryptedData = PacketUtils.RC4(bytesAsInts, PacketUtils.baseKey + nonce);
PacketUtils.byteArrayCopy(encryptedData, 0, toSend, 6, encryptedData.Length - 1);
byte[] toBeSent = bytesAsInts.Select(x => (byte)x).ToArray();
tcpClient.GetStream().Write(toBeSent, 0, toBeSent.Length);
}
public void sendPacket(int packetType, PacketGenerator pg, string nonce = "nonce")
{
byte[] toSend = new byte[7 + pg.getBytes().Length];
byte[] aPacketID = new byte[2] {
(byte)(packetType >> 8), (byte)packetType
};
PacketUtils.byteArrayCopy(aPacketID, 0, toSend, 0, 2);
int length = pg.getBytes().Length;
byte[] aLength = new byte[3] {
(byte)(length >> 16), (byte)(length >> 8), (byte)length
};
PacketUtils.byteArrayCopy(aLength, 0, toSend, 2, 3);
toSend[4] = 0x00;
toSend[5] = 0xef;
int[] bytesAsInts = pg.getBytes().Select(x => (int)x).ToArray();
int[] encryptedData = PacketUtils.RC4(bytesAsInts, PacketUtils.baseKey + nonce);
PacketUtils.byteArrayCopy(encryptedData, 0, toSend, 6, encryptedData.Length - 1);
byte[] toBeSent = bytesAsInts.Select(x => (byte)x).ToArray();
tcpClient.GetStream().Write(toBeSent, 0, toBeSent.Length);
}
internal void answerEncryption()
{
PacketGenerator pg = new PacketGenerator().utf8(PacketUtils.getRandom()).dword(1);
from.sendPacket((int)PacketType.ENCRYPTION, pg);
}
private void sendLoginOK()
{
PacketGenerator pg = new PacketGenerator().qword(from.userID).qword(from.userID);
}
