public ActionResult Decifrar(string Key, string ToUser)
{
var User = new Users();
var messages = User.GetMessages();
var StringList = new List <string>();
var ToRList = new List <string>();
foreach (MessagesElements elements in messages)
{
if ((elements.Transmitter == Request.Cookies["User"]["username"]) && (elements.Reciever == ToUser))
{
StringList.Add(elements.text);
ToRList.Add("1");
}
else
{
if ((elements.Transmitter == ToUser) && (elements.Reciever == Request.Cookies["User"]["username"]))
{
StringList.Add(elements.text);
ToRList.Add("0");
}
}
}
//Decifrar cada mensaje con la llave que se recibió
SDES DecifradoSDES = new SDES();
var P10 = "8537926014";
var P8 = "79358216";
var P4 = "0321";
var EP = "01323210";
var IP = "63572014";
var ReverseIP = DecifradoSDES.GenerarIPInverso(IP);
//generar claves
var resultanteLS1 = DecifradoSDES.GenerarLS1(Key, P10);
var K1 = DecifradoSDES.GenerarK1(resultanteLS1, P8);
var K2 = DecifradoSDES.GenerarK2(resultanteLS1, P8);
var BinaryList = DecifradoSDES.LecutraArchivoDecifrar(StringList);
var MessagesList = new List <MessagesElements>();
var cifrar = false;
var counter = 0;
foreach (List <string> list in BinaryList)
{
var Message = new MessagesElements();
var response = string.Empty;
foreach (string binary in list)
{
byte bytefinal = DecifradoSDES.CifrarODecifrar(binary, IP, EP, K1, P4, K2, ReverseIP, cifrar);
response += (char)bytefinal;
}
Message.Transmitter = ToRList[counter] == "1" ? Request.Cookies["User"]["username"] : ToUser;
Message.Reciever = ToRList[counter] == "1" ? ToUser : Request.Cookies["User"]["username"];
Message.text = response;
MessagesList.Add(Message);
counter++;
}
return(View(MessagesList));
}