Exemplo n.º 1
0
        private void GenerateKeyAndSend(String Name, String Organisation, String EmailAddress, bool SendMail)
        {
            //Opbouwen compleet bericht
            String MessageToEncrypt = "<xml><applicatie name=\"Copying Machine\" version=\"2.00\"/>";

            MessageToEncrypt += "<user name=\"";
            MessageToEncrypt += Name;
            MessageToEncrypt += "\" organisation=\"";
            MessageToEncrypt += Organisation;
            MessageToEncrypt += "\" id=\"";
            MessageToEncrypt += System.DateTime.Now.ToShortDateString() + System.DateTime.Now.ToShortTimeString();
            MessageToEncrypt += "\" emailaddress=\"";
            MessageToEncrypt += EmailAddress;
            MessageToEncrypt += "\"/></xml>";

            System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
            Byte[] bytes         = encoding.GetBytes(MessageToEncrypt);
            byte[] dataToEncrypt = new byte[1 + bytes.Length];

            //Add the checksum to the xml
            int iChecksum = 0;

            for (int i = 0; i < MessageToEncrypt.Length; i++)
            {
                iChecksum            = iChecksum + bytes[i];
                dataToEncrypt[i + 1] = bytes[i];
            }

            iChecksum = (iChecksum & 0x07);
            iChecksum = (iChecksum << 5) & 0xFF;
            iChecksum = iChecksum | 0x20;

            dataToEncrypt[0] = Convert.ToByte(iChecksum);

            //Construct the name of the keyfile to be generated
            String KeyFile;

            KeyFile  = "Keys\\copymach_";
            KeyFile += Name.ToLower();
            KeyFile += ".cmk";
            KeyFile  = KeyFile.Replace(" ", "");

            if (!Directory.Exists("Keys"))
            {
                Directory.CreateDirectory("Keys");
            }

            //Create the key
            Key(KeyFile, dataToEncrypt, dataToEncrypt.Length);

            //Send e-mail
            if (SendMail)
            {
                MailKey(KeyFile, EmailAddress);
            }
        }