Exemplo n.º 1
0
        //Отправка сообщений
        private void SendMessage()
        {
            Socket socket = new Socket(IpServer.AddressFamily, SocketType.Stream, ProtocolType.Tcp);

            try
            {
                socket.Connect(IpServer, port);
                label4.Text  = "Подключение с сервером установлено";
                Send.Enabled = true;
                byte[] key            = Encoding.UTF8.GetBytes("Key");
                RC4    encoder        = new RC4(key);
                string message        = DateTime.Now.ToString("[HH:mm:ss]") + Login + ": " + richTextBox1.Text;
                byte[] encryptBytes   = Encoding.UTF8.GetBytes(message);
                byte[] result         = encoder.Encode(encryptBytes, encryptBytes.Length);
                int    SendMsg        = socket.Send(result);
                byte[] buffer         = new byte[1024];
                int    bytesRec       = socket.Receive(buffer);
                RC4    decoder        = new RC4(key);
                byte[] decryptedBytes = decoder.Decode(result, result.Length);
                string message1       = Encoding.UTF8.GetString(decryptedBytes);
                richTextBox2.Text = richTextBox2.Text + message1 + "\r\n";
                using (var sw = File.AppendText(@"Log_chat.txt"))
                {
                    sw.WriteLine(message + "\r\n");
                }
                richTextBox1.Clear();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
Exemplo n.º 2
0
        private void Cipher(string inputFile)
        {
            byte[] bytes   = File.ReadAllBytes(inputFile);
            RC4    encoder = new RC4(key);

            byte[] result = encoder.Encode(bytes, bytes.Length);

            File.WriteAllBytes(inputFile, result);
        }
Exemplo n.º 3
0
        public async Task <ActionResult <string> > Post(IFormFile message, IFormFile key)
        {
            byte[] fileBytesMessage, fileBytesKey;

            if (message == null || key == null)
            {
                ModelState.AddModelError("Error", "Некорректные параметры");
                return(BadRequest(ModelState));
            }

            if (message.Length > 0 && key.Length > 0)
            {
                using (var ms = new MemoryStream())
                {
                    message.CopyTo(ms);
                    fileBytesMessage = ms.ToArray();
                }
                using (var ms = new MemoryStream())
                {
                    key.CopyTo(ms);
                    fileBytesKey = ms.ToArray();
                }

                var rc4    = new RC4(fileBytesKey);
                var result = rc4.Encode(fileBytesMessage);
                var path   = "(rc4)" + message.FileName;
                using (var fs = System.IO.File.Create(_environment.WebRootPath + "/" + path))
                {
                    fs.Write(result, 0, result.Count());
                    fs.Flush();
                    return(path);
                }
            }
            else
            {
                return(BadRequest());
            }
        }
Exemplo n.º 4
0
        public void saveAssetsSeparately(string projectPath, bool locked)
        {
            if (Assets.items != null)
            {
                List<AssetList> packages = new List<AssetList>();

                for (int i = 0; i < Assets.items.Count; i++)
                {
                    Asset asset = Assets.items[i];
                    AssetList package = findPackage(packages, asset.package);

                    if (package == null)
                    {
                        package = new AssetList();
                        package.name = asset.package;
                        packages.Add(package);
                    }

                    if (package.name == null)
                        package.name = "Unnamed";

                    package.Add(asset);
                }

                for (int i = 0; i < packages.Count; i++)
                {
                    string name = Path.Combine(projectPath, packages[i].name.Replace(" ", "_") + ".pak");
                    Serialization.serialize(name, packages[i]);

                    if (locked)
                    {
                        byte[] key = ByteConverter.GetBytes("dfy3hfi3789y478yhge7y578yrhgiudhr8967498u839udhkjghjk");
                        RC4 rc4 = new RC4(key);
                        byte[] file = File.ReadAllBytes(name);
                        file = rc4.Encode(file, file.Length);
                        File.WriteAllBytes(name, file);
                    }
                }
            }
        }