public PacketCrypt(byte[] sessionKey)
{
var encryptHash = s_encryptServerDataHMAC.ComputeHash(sessionKey);
var decryptHash = s_decryptClientDataHMAC.ComputeHash(sessionKey);
// Used by the client to decrypt packets sent by the server
//var decryptServerData = new ARC4(encryptHash); // CLIENT-SIDE
// Used by the server to decrypt packets sent by the client
decryptClientData = new ARC4(decryptHash); // SERVER-SIDE
// Used by the server to encrypt packets sent to the client
encryptServerData = new ARC4(encryptHash); // SERVER-SIDE
// Used by the client to encrypt packets sent to the server
//var encryptClientData = new ARC4(decryptHash); // CLIENT-SIDE
// Use the 2 encryption objects to generate a common starting point
var syncBuffer = new byte[DropN];
encryptServerData.Process(syncBuffer, 0, syncBuffer.Length);
//encryptClientData.Process(syncBuffer, 0, syncBuffer.Length);
// Use the 2 decryption objects to generate a common starting point
syncBuffer = new byte[DropN];
//decryptServerData.Process(syncBuffer, 0, syncBuffer.Length);
decryptClientData.Process(syncBuffer, 0, syncBuffer.Length);
}