private void button10_Click(object sender, EventArgs e)
{
listBox8.Items.Clear();
long p = long.Parse(prvocisloP.Text);
long g = long.Parse(primitKorenG.Text);
long a = long.Parse(qA.Text);
long b = long.Parse(qB.Text);
Diffie_Hellman.Run(listBox8, p, g, a, b);
}
public void GetKeysCreator([FromForm] DataRequired _dataRequired)
{
if (!Directory.Exists(_environment.WebRootPath + "\\CipherKeys\\"))
{
Directory.CreateDirectory(_environment.WebRootPath + "\\CipherKeys\\");
}
Diffie_Hellman diffie_Hellman = new Diffie_Hellman();
diffie_Hellman.CreateKeys(_dataRequired.Rnd_ab, _environment.WebRootPath + "\\CipherKeys\\");
RSA _RSA = new RSA();
_RSA.GenerarLlaves(_dataRequired.p, _dataRequired.q, _environment.WebRootPath + "\\CipherKeys\\");
//Proceso de creacion de llaves
}
public async Task <FileStreamResult> GetKeyDiffie([FromForm] KeysDataTaken requestdata)
{
Diffie_Hellman.GenerateKeys(requestdata);
return(await DownloadZip());
}
public async Task <ActionResult> SearchMessages(IFormCollection form)
{
string messageToSearch = form["MessageToSearch"];
string receptor = form["receptor"];
Message mmmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
Message messageAux = new Message();
User userAux = JsonSerializer.Deserialize <User>(HttpContext.Session.GetString("thisUser"));
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:62573/api/");
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
//Cifrar mensaje
var postAllUsers = client.GetAsync("allUsers");
postAllUsers.Wait();
var fufu = postAllUsers.Result;
string asdasda = await fufu.Content.ReadAsAsync <string>();
User[] allUsersXD = JsonSerializer.Deserialize <User[]>(asdasda);
User newUser1 = new User();
User newUser2 = new User();
for (int i = 0; i < allUsersXD.Length; i++)
{
if (userAux.UserName != form["receptor"])
{
if (allUsersXD[i].UserName == userAux.UserName)
{
newUser1 = allUsersXD[i];
}
if (allUsersXD[i].UserName == form["receptor"])
{
newUser2 = allUsersXD[i];
}
}
else
{
if (allUsersXD[i].UserName == mmmm.receptor)
{
newUser1 = allUsersXD[i];
}
if (allUsersXD[i].UserName == form["receptor"])
{
newUser2 = allUsersXD[i];
}
}
}
#region "Cifrado SDES"
Diffie_Hellman _diffie = new Diffie_Hellman();
BigInteger publicNumber1 = _diffie.PublicNumberGenerator(33, 101, newUser1.Private_Number);
BigInteger publicNumber2 = _diffie.PublicNumberGenerator(33, 101, newUser2.Private_Number);
BigInteger kuser1 = _diffie.KGenerator(publicNumber2, newUser1.Private_Number, 101);
BigInteger kuser2 = _diffie.KGenerator(publicNumber1, newUser2.Private_Number, 101);
string response = "";
if (kuser1 == kuser2)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser1, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] charrArray_OriginalText = messageToSearch.ToCharArray();
byte[] original_Bytes = new byte[charrArray_OriginalText.Length];
for (int i = 0; i < charrArray_OriginalText.Length; i++)
{
original_Bytes[i] = (byte)charrArray_OriginalText[i];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(original_Bytes, "cifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charrArra_Result = new char[resultFinalBytes.Length];
for (int i = 0; i < resultFinalBytes.Length; i++)
{
charrArra_Result[i] = (char)resultFinalBytes[i];
}
for (int i = 0; i < charrArra_Result.Length; i++)
{
response += charrArra_Result[i].ToString();
}
}
messageAux.message = response;
#endregion
var postTask = client.PostAsJsonAsync <Message>("searchMessages", messageAux);
postTask.Wait();
var result = postTask.Result;
//Si encontró algún mensaje igual
if (result.IsSuccessStatusCode)
{
string resultAux = await result.Content.ReadAsAsync <string>();
Message[] allMessages = JsonSerializer.Deserialize <Message[]>(resultAux);
List <Message> allMessagesAux = new List <Message>();
for (int i = 0; i < allMessages.Length; i++)
{
bool oka = false;
if (((allMessages[i].emisor == mmmm.receptor) && (allMessages[i].receptor == receptor)) || ((allMessages[i].receptor == mmmm.receptor) && (allMessages[i].emisor == receptor)))
{
oka = true;
}
if (((allMessages[i].emisor == userAux.UserName) && (allMessages[i].receptor == receptor)) || ((allMessages[i].receptor == userAux.UserName) && (allMessages[i].emisor == receptor)) || oka)
{
if (allMessages[i].type == "message")
{
#region "Descifrado SDES"
var postAllUsers2 = client.GetAsync("allUsers");
postAllUsers2.Wait();
var fufufu = postAllUsers2.Result;
string asdasdasa = await fufufu.Content.ReadAsAsync <string>();
User[] allUsersXDD = JsonSerializer.Deserialize <User[]>(asdasdasa);
User newUser11 = new User();
User newUser22 = new User();
for (int j = 0; j < allUsersXDD.Length; j++)
{
if (userAux.UserName != form["receptor"])
{
if (allUsersXDD[j].UserName == userAux.UserName)
{
newUser11 = allUsersXDD[j];
}
if (allUsersXDD[j].UserName == receptor)
{
newUser22 = allUsersXDD[j];
}
}
else
{
if (allUsersXD[j].UserName == mmmm.receptor)
{
newUser11 = allUsersXD[j];
}
if (allUsersXD[j].UserName == form["receptor"])
{
newUser22 = allUsersXD[j];
}
}
}
Diffie_Hellman _diffie1 = new Diffie_Hellman();
BigInteger publicNumber11 = _diffie1.PublicNumberGenerator(33, 101, newUser11.Private_Number);
BigInteger publicNumber22 = _diffie1.PublicNumberGenerator(33, 101, newUser22.Private_Number);
BigInteger kuser11 = _diffie1.KGenerator(publicNumber22, newUser11.Private_Number, 101);
BigInteger kuser22 = _diffie1.KGenerator(publicNumber11, newUser22.Private_Number, 101);
string response2 = "";
if (kuser11 == kuser22)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser11, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] arrayChar = allMessages[i].message.ToCharArray();
byte[] bytes_Encrypted = new byte[arrayChar.Length];
for (int j = 0; j < arrayChar.Length; j++)
{
bytes_Encrypted[j] = (byte)arrayChar[j];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(bytes_Encrypted, "descifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charResult = new char[resultFinalBytes.Length];
for (int j = 0; j < resultFinalBytes.Length; j++)
{
charResult[j] = (char)resultFinalBytes[j];
}
for (int j = 0; j < charResult.Length; j++)
{
response2 += charResult[j].ToString();
}
}
allMessages[i].message = response2;
#endregion
}
allMessagesAux.Add(allMessages[i]);
}
}
Message[] arrayAux2 = allMessagesAux.ToArray();
HttpContext.Session.SetString("nameAllMessages", JsonSerializer.Serialize(arrayAux2));
}
#region "Motrar nuevamente usuario en el combobox"
var postTask3 = client.GetAsync("allUsers");
postTask3.Wait();
var result3 = postTask3.Result;
if (result3.IsSuccessStatusCode)
{
string resultAux3 = await result3.Content.ReadAsAsync <string>();
User[] allUsers = JsonSerializer.Deserialize <User[]>(resultAux3);
List <string> nameAllUsers = new List <string>();
for (int i = 0; i < allUsers.Length; i++)
{
Message mmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
if (allUsers[i].UserName == mmm.receptor)
{
nameAllUsers.Insert(0, mmm.receptor);
}
else if (allUsers[i].UserName != userAux.UserName)
{
nameAllUsers.Add(allUsers[i].UserName);
}
}
string[] arrayAux = nameAllUsers.ToArray();
HttpContext.Session.SetString("nameAllUsers", JsonSerializer.Serialize(arrayAux));
}
#endregion
}
return(LoginChat());
}
public async Task <ActionResult> Archive(IFormFile file, IFormCollection form)
{
User userAux = JsonSerializer.Deserialize <User>(HttpContext.Session.GetString("thisUser"));
Message message = new Message();
message.emisor = userAux.UserName;
message.receptor = form["receptor"];
message.message = "attached file";
message._id = Guid.NewGuid().ToString();
message.date = DateTime.Now;
message.type = "archive";
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:62573/api/");
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
var postTask = client.PostAsJsonAsync <Message>("addMessage", message);
postTask.Wait();
var result = postTask.Result;
if (result.IsSuccessStatusCode)
{
#region "LZW Compression"
LZW _lzw = new LZW();
byte[] resultArchive = null;
byte[] originalByte = null;
using (var memory = new MemoryStream())
{
await file.CopyToAsync(memory);
originalByte = memory.ToArray();
//nuevo
using (FileStream fstream = System.IO.File.Create(_env.ContentRootPath + "/Copy/" + file.FileName))
{
fstream.Write(memory.ToArray());
fstream.Close();
}
resultArchive = _lzw.Compression(_env.ContentRootPath + "/Copy/" + file.FileName, file.FileName);
}
System.IO.File.Delete(_env.ContentRootPath + "/Copy/" + file.FileName);
#endregion
Archive archive = new Archive
{
_id = message._id,
message = resultArchive,
name = file.FileName
};
var postTaskAux = client.PostAsJsonAsync <Archive>("addArchive", archive);
postTaskAux.Wait();
//HERE
var postTask2 = client.GetAsync("allMessages");
postTask2.Wait();
var result2 = postTask2.Result;
if (result2.IsSuccessStatusCode)
{
string resultAux2 = await result2.Content.ReadAsAsync <string>();
Message[] allMessages = JsonSerializer.Deserialize <Message[]>(resultAux2);
List <Message> allMessagesAux = new List <Message>();
for (int i = 0; i < allMessages.Length; i++)
{
if (((allMessages[i].emisor == message.emisor) && (allMessages[i].receptor == message.receptor)) || ((allMessages[i].receptor == message.emisor) && (allMessages[i].emisor == message.receptor)))
{
if (allMessages[i].type == "message")
{
#region "Descifrado SDES"
var postAllUsers2 = client.GetAsync("allUsers");
postAllUsers2.Wait();
var fufufu = postAllUsers2.Result;
string asdasdasa = await fufufu.Content.ReadAsAsync <string>();
User[] allUsersXDD = JsonSerializer.Deserialize <User[]>(asdasdasa);
User newUser11 = new User();
User newUser22 = new User();
for (int j = 0; j < allUsersXDD.Length; j++)
{
if (allUsersXDD[j].UserName == userAux.UserName)
{
newUser11 = allUsersXDD[j];
}
if (allUsersXDD[j].UserName == form["receptor"])
{
newUser22 = allUsersXDD[j];
}
}
Diffie_Hellman _diffie1 = new Diffie_Hellman();
BigInteger publicNumber11 = _diffie1.PublicNumberGenerator(33, 101, newUser11.Private_Number);
BigInteger publicNumber22 = _diffie1.PublicNumberGenerator(33, 101, newUser22.Private_Number);
BigInteger kuser11 = _diffie1.KGenerator(publicNumber22, newUser11.Private_Number, 101);
BigInteger kuser22 = _diffie1.KGenerator(publicNumber11, newUser22.Private_Number, 101);
string response2 = "";
if (kuser11 == kuser22)
{
SDES _sdes = new SDES();
string keyMaster = _sdes.ToNBase(kuser11, 2);
_sdes.KeysGenerator(keyMaster);
//Convertir mensaje a arreglo de bytes:
char[] arrayChar = allMessages[i].message.ToCharArray();
byte[] bytes_Encrypted = new byte[arrayChar.Length];
for (int j = 0; j < arrayChar.Length; j++)
{
bytes_Encrypted[j] = (byte)arrayChar[j];
}
byte[] resultFinalBytes = _sdes.SDES_Encryption(bytes_Encrypted, "descifrado");
//Convertir arreglo de bytes a string y agregarlo a Mongo:
char[] charResult = new char[resultFinalBytes.Length];
for (int j = 0; j < resultFinalBytes.Length; j++)
{
charResult[j] = (char)resultFinalBytes[j];
}
for (int j = 0; j < charResult.Length; j++)
{
response2 += charResult[j].ToString();
}
}
allMessages[i].message = response2;
#endregion
}
allMessagesAux.Add(allMessages[i]);
}
}
#region "Motrar nuevamente usuario en el combobox"
var postTask3 = client.GetAsync("allUsers");
postTask3.Wait();
var result3 = postTask3.Result;
if (result3.IsSuccessStatusCode)
{
string resultAux3 = await result3.Content.ReadAsAsync <string>();
User[] allUsers = JsonSerializer.Deserialize <User[]>(resultAux3);
List <string> nameAllUsers = new List <string>();
for (int i = 0; i < allUsers.Length; i++)
{
Message mmm = JsonSerializer.Deserialize <Message>(HttpContext.Session.GetString("thisR"));
if (allUsers[i].UserName == mmm.receptor)
{
nameAllUsers.Insert(0, mmm.receptor);
}
else if (allUsers[i].UserName != userAux.UserName)
{
nameAllUsers.Add(allUsers[i].UserName);
}
}
string[] arrayAux = nameAllUsers.ToArray();
HttpContext.Session.SetString("nameAllUsers", JsonSerializer.Serialize(arrayAux));
}
#endregion
Message[] arrayAux2 = allMessagesAux.ToArray();
HttpContext.Session.SetString("nameAllMessages", JsonSerializer.Serialize(arrayAux2));
return(RedirectToAction("LoginChat"));
}
}
else
{
return(StatusCode(500));
}
}
return(StatusCode(500));
}
