public void OnPeerDataReceived(IAsyncResult asyn)
{
try
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState;
int iRx = 0;
// Complete the BeginReceive() asynchronous call by EndReceive() method
// which will return the number of characters written to the stream
// by the client
iRx = socketData.m_currentSocket.EndReceive(asyn);
char[] chars = new char[iRx + 1];
System.Text.Decoder d = System.Text.Encoding.Default.GetDecoder();
int charLen = d.GetChars(socketData.dataBuffer,
0, iRx, chars, 0);
System.String szData = new System.String(chars);
string incoming = szData.Substring(0, szData.Length - 1);
if (incoming.StartsWith("/file"))
{
MessageBox.Show("receiving file");
//recieved file
//file infile = new file();
string infilemsg = incoming.Substring(5);
cryptor.rijn.Key = senderClient.sessionkey;
string infilepart = cryptor.DecryptMessage(infilemsg);
string[] infilefields = infilepart.Split(' ');
//infile.fileid = infilefields[0];
//infile.filesize = infilefields[1];
string concat = infilefields[2]+" "+infilefields[3]+" "+infilefields[4];
byte[] bytefile = System.Text.Encoding.ASCII.GetBytes(concat);
//infile.filedata = bytefile;
string filename = infilefields[0];
//infile.filename = filename;
//filelist.Add(infile);
FileStream fStream = new FileStream(filename, FileMode.CreateNew);
BinaryWriter bw = new BinaryWriter(fStream);
bw.Write(bytefile);
bw.Close();
fStream.Close();
}
else if (incoming.StartsWith("/req"))
{
//MessageBox.Show("Give me a halelujah");
//recieved share request
//receive tickets and import them to a arraylist.
mytickets tickets = new mytickets();
//List<client> clientlist = new List<client>();
tickets.DecodeFromString(incoming.Substring(4));
if ((!rsaserver.VerifyData(tickets.ticketlist[0].origFirst, new SHA1CryptoServiceProvider(), tickets.ticketlist[0].signFirst))
|| (!rsaserver.VerifyData(tickets.ticketlist[0].origSecond, new SHA1CryptoServiceProvider(), tickets.ticketlist[0].signSecond)))
{
MessageBox.Show("AS is not authentic!");
}
else
{
ASCIIEncoding ByteConverter = new ASCIIEncoding();
string originalData = ByteConverter.GetString(tickets.ticketlist[0].origSecond);
string[] origfields = originalData.Split(' ');
if (!rsa.ToXmlString(false).Equals(origfields[2]))
{
MessageBox.Show("This ticket is not mine!");
}
else
{
string destData = ByteConverter.GetString(tickets.ticketlist[0].origFirst);
string[] destfields = destData.Split(' ');
senderClient = new client();
senderClient.ip = destfields[0];
senderClient.port = destfields[1];
senderClient.publicKey = destfields[2];
senderClient.ticket = incoming.Substring(4);
//WaitForPeerData(); // gerek var mý ?
}
}
}
else if (incoming.StartsWith("/key"))
{
//recieved shared key
string[] KeyFields = incoming.Substring(4).Split(' ');
rsapeer.FromXmlString(senderClient.publicKey);
if (!rsapeer.VerifyData(ToByteArray(KeyFields[0]), new SHA1CryptoServiceProvider(), ToByteArray(KeyFields[1])))
{
MessageBox.Show("Key is not authenticated by valid sender!");
}
else
{
byte[] SessionKey = rsa.Decrypt(ToByteArray(KeyFields[0]), true);
senderClient.sessionkey = SessionKey;
}
}
else if (incoming.StartsWith("/sndreq"))
{
//file'i oku
string[] fields = incoming.Substring(7).Split(' ');
//receive tickets and import them to a arraylist.
mytickets tickets = new mytickets();
//List<client> clientlist = new List<client>();
tickets.DecodeFromString(fields[0]);
if ((!rsaserver.VerifyData(tickets.ticketlist[0].origFirst, new SHA1CryptoServiceProvider(), tickets.ticketlist[0].signFirst))
|| (!rsaserver.VerifyData(tickets.ticketlist[0].origSecond, new SHA1CryptoServiceProvider(), tickets.ticketlist[0].signSecond)))
{
MessageBox.Show("AS is not authentic!");
}
else
{
try
{
string fname = fields[1];
FileInfo fInfo = new FileInfo(fname);
long numBytes = fInfo.Length;
FileStream fStream = new FileStream(fname, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fStream);
data = br.ReadBytes((int)numBytes);
br.Close();
fStream.Close();
MessageBox.Show("sending file piece back");
string functionID = "/pback";
string request = functionID + BytesToHex(data).Replace(" ", "");
//Object objData = request;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(request);
//who to send?
Socket tempSoc;
//try
//{
string target = new ASCIIEncoding().GetString(tickets.ticketlist[0].origFirst);
string[] targetFields = target.Split(' ');
string ipStr = targetFields[0];
string portStr = targetFields[1];
UpdateControls(false);
// Create the socket instance
tempSoc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Cet the remote IP address
IPAddress ip = IPAddress.Parse(ipStr);
int iPortNo = System.Convert.ToInt16(portStr);
// Create the end point
IPEndPoint ipEnd = new IPEndPoint(ip, iPortNo);
// Connect to the remote host
tempSoc.Connect(ipEnd);
if (tempSoc.Connected)
{
UpdateControls(true);
//Wait for data asynchronously
}
//}
//catch (SocketException se)
//{
// string str;
//str = "\nConnection failed, is the server running?\n" + se.Message;
//MessageBox.Show(str);
//UpdateControls(false);
//}
if (tempSoc != null)
{
tempSoc.Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
}
else if (incoming.StartsWith("/pback"))
{
string filePartMsg = incoming.Substring(6);
byte[] filePartb = ToByteArray(filePartMsg);
string bconcat = System.Text.Encoding.ASCII.GetString(filePartb);
string[] infilefields = bconcat.Split(' ');
byte[] tempPart = ToByteArray(infilefields[0]);
SharedData partOftheSecretThatWeAreTryingToAcquire = new SharedData();
partOftheSecretThatWeAreTryingToAcquire.xi = System.Convert.ToInt64(infilefields[1]);
partOftheSecretThatWeAreTryingToAcquire.yi = System.Convert.ToInt64(infilefields[2]);
secretsFromOthers.Add(partOftheSecretThatWeAreTryingToAcquire);
partsFromOthers.Add(tempPart);
if (partsFromOthers.Count >= enoughParts)
{
Reconstruct();
}
}
// Continue the waiting for data on the Socket
WaitForPeerData(socketData.m_currentSocket);
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket has been closed\n");
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
// This the call back function which will be invoked when the socket
// detects any client writing of data on the stream
public void OnDataReceived(IAsyncResult asyn)
{
try
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState;
int iRx = 0;
// Complete the BeginReceive() asynchronous call by EndReceive() method
// which will return the number of characters written to the stream
// by the client
iRx = socketData.m_currentSocket.EndReceive(asyn);
char[] chars = new char[iRx + 1];
System.Text.Decoder d = System.Text.Encoding.Default.GetDecoder();
int charLen = d.GetChars(socketData.dataBuffer,
0, iRx, chars, 0);
System.String szData = new System.String(chars);
string incoming = szData.Substring(0, szData.Length - 1);
if (incoming.StartsWith("/rsaC"))
{
#if _SHOWMSG
MessageBox.Show("RSA public key received");
#endif
string rsaKey = incoming.Substring(5);
string[] fields = rsaKey.Split(' ');
clientInfo tempclient = new clientInfo();
tempclient.ip = fields[0];
tempclient.port = fields[1];
tempclient.publicKey = fields[2];
if(!clientsList.Contains(tempclient)) clientsList.Add(tempclient);
}
else if (incoming.StartsWith("/bck"))
{
//client wants to back up
//decide which parties to connect
//pseudo connections list.
string[] backupreq = incoming.Substring(4).Split(' ');
//client req = new client();
int clientnum = -1;
for (int i = 0; i < clientsList.Count; i++)
{
if (clientsList[i].ip.Equals(backupreq[0]))
{
if (clientsList[i].port.Equals(backupreq[1]))
{
clientnum = i;
}
}
}
if (clientnum == -1) MessageBox.Show("Backup Request from unauthenticated user");
else
{
//req = clientsList[clientnum];
clientsList[clientnum].files[0].fileID = backupreq[2];
clientsList[clientnum].files[0].filesize = System.Convert.ToInt32(backupreq[3]);
//first part of every ticket is same
string ticketData = clientsList[clientnum].ip + " " + clientsList[clientnum].port + " " + clientsList[clientnum].publicKey;
// Create a UnicodeEncoder to convert between byte array and string.
ASCIIEncoding ByteConverter = new ASCIIEncoding();
byte[] originalData = ByteConverter.GetBytes(ticketData);
byte[] signedData;
signedData = rsa.SignData(originalData, new SHA1CryptoServiceProvider());
for (int i = 0; i < clientsList.Count; i++)
{
//Ticket i = E(PRas, IPa + PUa) || E(PRas, IPb + PUb)
if (i != clientnum)
{
//second part of the ticket
string ticketSecondData = clientsList[i].ip + " " + clientsList[i].port + " " + clientsList[i].publicKey;
// Create a UnicodeEncoder to convert between byte array and string.
byte[] originalSecondData = ByteConverter.GetBytes(ticketSecondData);
byte[] signedSecondData;
signedSecondData = rsa.SignData(originalSecondData, new SHA1CryptoServiceProvider());
clientsList[clientnum].files[0].filetickets.AddToList(originalData, signedData, originalSecondData, signedSecondData);
}
}
//sends them to the client
try
{
string functionID = "/tck";
string strTickets = clientsList[clientnum].files[0].filetickets.EncodeToString();
//TODO: somehow concatanate the message header; functionID
string TicketListMsg = functionID + strTickets; //tickets
byte[] byData2 = System.Text.Encoding.ASCII.GetBytes(TicketListMsg);
if (m_workerSocket[clientnum] != null)
{
if (m_workerSocket[clientnum].Connected)
{
m_workerSocket[clientnum].Send(byData2);
}
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
//mytickets tickets = new mytickets();
//clients[] clientsList = new clients[5];
//for (int i = 0; i < 5; i++)
//{
// clientsList[i].ip = i * 100;
// clientsList[i].port = i * 1000;
// clientsList[i].publicKey = (i * 10000).ToString();
//}
}
else if (incoming.StartsWith("/rcv"))
{
//client wants to recover
//decide which parties to connect
//pseudo connections list.
string[] recoverreq = incoming.Substring(4).Split(' ');
//client req = new client();
int clientnum = -1;
int filenum = -1;
for (int i = 0; i < clientsList.Count; i++)
{
if (clientsList[i].ip.Equals(recoverreq[0]))
{
if (clientsList[i].port.Equals(recoverreq[1]))
{
for (int j = 0; j < MAX_FILE; j++)
{
if (clientsList[i].files[j].fileID != null)
{
if (clientsList[i].files[j].fileID.Equals(recoverreq[2]))
{
clientnum = i;
filenum = j;
break;
}
}
}
}
}
}
if (clientnum == -1) MessageBox.Show("User nor authenticated!");
else if (filenum == -1) MessageBox.Show("File not in database!");
else
{
//req = clientsList[clientnum];
mytickets RecoveryTickets = new mytickets();
bool enoughFound = false;
for (int i = 0; !enoughFound && i < clientsList[clientnum].files[filenum].filetickets.ticketlist.Count; i++)
{
string possibleStorage = new ASCIIEncoding().GetString(clientsList[clientnum].files[filenum].filetickets.ticketlist[i].origSecond);
string[] fields = possibleStorage.Split(' ');
string possibleStorageIP = fields[0];
string possibleStoragePort = fields[1];
for (int j = 0; j < m_clientCount; j++)
{
if (m_workerSocket[j] != null)
{
if (m_workerSocket[j].Connected)
{
if (possibleStorageIP.Equals(clientsList[j].ip))
{
if (possibleStoragePort.Equals(clientsList[j].port))
{
RecoveryTickets.AddToList(clientsList[clientnum].files[filenum].filetickets.ticketlist[i]);
if (RecoveryTickets.ticketlist.Count >= clientsList[clientnum].files[filenum].filetickets.ticketlist.Count - 1)
enoughFound = true;
}
}
}
}
}
}
//sends them to the client
try
{
string functionID = "/rectck";
string strTickets = RecoveryTickets.EncodeToString();
//TODO: somehow concatanate the message header; functionID
string TicketListMsg = functionID + strTickets; //tickets
byte[] byData2 = System.Text.Encoding.ASCII.GetBytes(TicketListMsg);
if (m_workerSocket[clientnum] != null)
{
if (m_workerSocket[clientnum].Connected)
{
m_workerSocket[clientnum].Send(byData2);
}
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
}
else
{
tb_encRecv.Enabled = true;
tb_encRecv.Text = BytesToHex(Convert.FromBase64String(szData.Substring(0, szData.Length - 1)));
string decryptedText = cryptor.DecryptMessage(szData.Substring(0, szData.Length - 1));
richTextBoxReceivedMsg.Text = decryptedText + "\n" + richTextBoxReceivedMsg.Text;
}
// Continue the waiting for data on the Socket
WaitForData(socketData.m_currentSocket);
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket has been closed\n");
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
public void OnDataReceived(IAsyncResult asyn)
{
try
{
SocketPacket theSockId = (SocketPacket)asyn.AsyncState;
int iRx = theSockId.m_currentSocket.EndReceive(asyn);
char[] chars = new char[iRx + 1];
System.Text.Decoder d = System.Text.Encoding.Default.GetDecoder();
int charLen = d.GetChars(theSockId.dataBuffer, 0, iRx, chars, 0);
System.String szData = new System.String(chars);
string incoming = szData.Substring(0, szData.Length - 1);
if (incoming.StartsWith("/chg"))
{
#if _SHOWMSG
MessageBox.Show("Mode Change Code recieved");
#endif
string mode = incoming.Substring(4, 1);
cryptor.rijn.Mode = (CipherMode)Convert.ToInt32(mode);
tb_currentMode.Text = cryptor.rijn.Mode.ToString();
}
else if (incoming.StartsWith("/sIV"))
{
#if _SHOWMSG
MessageBox.Show("New IV recieved");
#endif
string iv = incoming.Substring(4);
cryptor.rijn.IV = ToByteArray(iv);
tb_IV.Text = BytesToHex(cryptor.rijn.IV);
}
else if (incoming.StartsWith("/rsaS"))
{
#if _SHOWMSG
MessageBox.Show("RSA public key received");
#endif
string rsaKey = incoming.Substring(5);
rsaserver = new RSACryptoServiceProvider(2048);
rsaserver.FromXmlString(rsaKey);
RSAParameters rsap = rsaserver.ExportParameters(false);
tb_RsaPublicKey.Text = BytesToHex(rsap.Modulus);
tb_RsaPublicKeyExpo.Text = BytesToHex(rsap.Exponent);
// do not need begin
cryptor.rijn.GenerateKey();
tb_aesKey.Text = BytesToHex(cryptor.rijn.Key);
byte[] rsaEncData = rsaserver.Encrypt(cryptor.rijn.Key, true);
string encKeyHex = BytesToHex(rsaEncData).Replace(" ", "");
tb_encKey.Text = encKeyHex;
//do not need end
string newKeyMsg = "/rsaC" + GetIP() + " " + myport + " " + rsa.ToXmlString(false);
try
{
Object objData = newKeyMsg;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(objData.ToString());
if (m_clientSocket != null)
{
m_clientSocket.Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
else if (incoming.StartsWith("/tck"))
{
//recieved tickets
//receive tickets and import them to a arraylist.
mytickets tickets = new mytickets();
List<client> clientlist = new List<client>();
tickets.DecodeFromString(incoming.Substring(4));
int dest_count = tickets.GetClientCount();
for (int i = 0; i < dest_count; i++)
{
if ((!rsaserver.VerifyData(tickets.ticketlist[i].origFirst, new SHA1CryptoServiceProvider(), tickets.ticketlist[i].signFirst))
|| (!rsaserver.VerifyData(tickets.ticketlist[i].origSecond, new SHA1CryptoServiceProvider(), tickets.ticketlist[i].signSecond)))
{
MessageBox.Show("AS is not authentic!");
}
else
{
ASCIIEncoding ByteConverter = new ASCIIEncoding();
string originalData = ByteConverter.GetString(tickets.ticketlist[i].origFirst);
string[] origfields = originalData.Split(' ');
if (!rsa.ToXmlString(false).Equals(origfields[2]))
{
MessageBox.Show("This ticket is not mine!");
}
else
{
string destData = ByteConverter.GetString(tickets.ticketlist[i].origSecond);
string[] destfields = destData.Split(' ');
client tempclient = new client();
tempclient.ip = destfields[0];
tempclient.port = destfields[1];
tempclient.publicKey = destfields[2];
tempclient.ticket = tickets.ExportSingleTicket(i);
clientlist.Add(tempclient);
}
}
}
int numParts = dest_count - 1; //because the final part is the parity
int lengthofEachPart = (int)(data.Length / numParts) + 1;//pad the last one
//hash = BitConverter.ToString(cryptoTransformSHA1.ComputeHash()).Replace("-", "");
List<byte[]> parts = new List<byte[]>();
for (int i = 0; i < numParts; i++)
{
byte[] temp = new byte[lengthofEachPart];
for (int j = 0; j < lengthofEachPart; j++)
{
if (i == numParts - 1 && i * lengthofEachPart + j >= data.Length) //padding
{
temp[j] = 0x00000000;
}
else
{
temp[j] = data[i * lengthofEachPart + j];
}
}
parts.Add(temp);
}
//we have the parts, calculate the parity part
byte[] parityPart = new byte[lengthofEachPart];
for (int j = 0; j < lengthofEachPart; j++)
{
byte xor = new byte();
xor = 0 ^ 0;
for (int i = 0; i < numParts; i++)
{
byte[] temp = (byte[])parts[i];
xor ^= temp[j];
}
parityPart[j] = xor;
}
parts.Add(parityPart);
//encrypt all parts with per file key
Random rand = new Random();
long randomNumToGenerateKey = rand.Next() % 25000;
byte[] randomNumToGenerateKeyByteEquivalent = new ASCIIEncoding().GetBytes(randomNumToGenerateKey.ToString());
perFileKey = cryptoTransformSHA1.ComputeHash(randomNumToGenerateKeyByteEquivalent);
byte[] reducedperfilekey = new byte[16];
for (int k = 0; k < 16; k++)
{
reducedperfilekey[k] = perFileKey[k];
}
cryptor.rijn.Key = reducedperfilekey;
for (int i = 0; i < numParts+1; i++)
{
string tempPart = cryptor.EncryptMessage(BytesToHex(parts[i]).Replace(" ", ""));
parts[i] = new ASCIIEncoding().GetBytes(tempPart);
}
//create the key and, secret share it with (n-1,n) threshold scheme.
ShamirSS sham = new ShamirSS((uint)parts.Count, (uint)parts.Count - 1, 25000);//burasý oldu lakin, reconstruct etmek c*k zor. GF(2^8) kullanmak lazým en azýndan
SharedData[] shamirOut = sham.ShareData(randomNumToGenerateKey);
//connect to each ticket granted user to send its assigned part
//out of scope
// TODO ticketlarý gönder herkese
//rsapeer = new RSACryptoServiceProvider(2048);
for (int i = 0; i < dest_count; i++)
{
try
{
UpdateControls(false);
// Create the socket instance
m_peerSockets[m_peerCount] = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Cet the remote IP address
IPAddress ip = IPAddress.Parse(clientlist[i].ip);
int iPortNo = System.Convert.ToInt16(clientlist[i].port);
// Create the end point
IPEndPoint ipEnd = new IPEndPoint(ip, iPortNo);
// Connect to the remote host
m_peerSockets[m_peerCount].Connect(ipEnd);
if (m_peerSockets[m_peerCount].Connected)
{
UpdateControls(true);
//Wait for data asynchronously
WaitForPeerData(m_peerSockets[m_peerCount]);//????
m_peerCount++;
}
}
catch (SocketException se)
{
string str;
str = "\nConnection failed, is the peer online?\n" + se.Message;
MessageBox.Show(str);
UpdateControls(false);
}
if (m_peerSockets[m_peerCount - 1].Connected)
{
try
{
string functionID = "/req";
string request = functionID + clientlist[i].ticket;
//Object objData = request;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(request);
if (m_peerSockets[m_peerCount - 1] != null)
{
m_peerSockets[m_peerCount - 1].Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
else
MessageBox.Show("shit load");
// TODO: Ks yarat encrypt et yolla
cryptor.rijn.GenerateKey();
client temp = new client();
temp = clientlist[i];
temp.sessionkey = cryptor.rijn.Key;
clientlist[i] = temp;
tb_aesKey.Text = BytesToHex(cryptor.rijn.Key);
rsapeer.FromXmlString(clientlist[i].publicKey);
byte[] rsaEncData = rsapeer.Encrypt(cryptor.rijn.Key, true);
byte[] rsaSigned;
rsaSigned = rsa.SignData(rsaEncData, new SHA1CryptoServiceProvider());
string rsaSignedEncHex = BytesToHex(rsaEncData).Replace(" ", "") + " " + BytesToHex(rsaSigned).Replace(" ", "");
tb_encKey.Text = rsaSignedEncHex;
try
{
string functionID = "/key";
string request = functionID + rsaSignedEncHex;
//Object objData = request;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(request);
if (m_peerSockets[m_peerCount - 1] != null)
{
m_peerSockets[m_peerCount - 1].Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
System.Threading.Thread.Sleep(50);
try
{
MessageBox.Show("sending file parts");
string functionID = "/file";
string filepart = hash + " " + data.Length.ToString() + " " + BytesToHex(parts[i]).Replace(" ", "");
filepart += " " + shamirOut[i].xi.ToString() + " " + shamirOut[i].yi.ToString();
string filemsg = cryptor.EncryptMessage(filepart);
string request = functionID + filemsg;
//Object objData = request;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(request);
if (m_peerSockets[m_peerCount - 1] != null)
{
m_peerSockets[m_peerCount - 1].Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
}
else if (incoming.StartsWith("/rectck"))
{
//recieved tickets
//receive tickets and import them to a arraylist.
mytickets tickets = new mytickets();
List<client> clientlist = new List<client>();
tickets.DecodeFromString(incoming.Substring(7));
int dest_count = tickets.GetClientCount();
enoughParts = dest_count;
for (int i = 0; i < dest_count; i++)
{
if ((!rsaserver.VerifyData(tickets.ticketlist[i].origFirst, new SHA1CryptoServiceProvider(), tickets.ticketlist[i].signFirst))
|| (!rsaserver.VerifyData(tickets.ticketlist[i].origSecond, new SHA1CryptoServiceProvider(), tickets.ticketlist[i].signSecond)))
{
MessageBox.Show("AS is not authentic!");
}
else
{
ASCIIEncoding ByteConverter = new ASCIIEncoding();
string originalData = ByteConverter.GetString(tickets.ticketlist[i].origFirst);
string[] origfields = originalData.Split(' ');
if (!rsa.ToXmlString(false).Equals(origfields[2]))
{
MessageBox.Show("This ticket is not mine!");
}
else
{
string destData = ByteConverter.GetString(tickets.ticketlist[i].origSecond);
string[] destfields = destData.Split(' ');
client tempclient = new client();
tempclient.ip = destfields[0];
tempclient.port = destfields[1];
tempclient.publicKey = destfields[2];
tempclient.ticket = tickets.ExportSingleTicket(i);
clientlist.Add(tempclient);
}
}
}
//partsFromOthers = new List<byte[]>();
for (int i = 0; i < clientlist.Count; i++)
{
//send tickets
//generate and send key
//send me the file
// TODO ticketlarý gönder herkese
try
{
UpdateControls(false);
// Create the socket instance
m_peerSockets[m_peerCount] = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Cet the remote IP address
IPAddress ip = IPAddress.Parse(clientlist[i].ip);
int iPortNo = System.Convert.ToInt16(clientlist[i].port);
// Create the end point
IPEndPoint ipEnd = new IPEndPoint(ip, iPortNo);
// Connect to the remote host
m_peerSockets[m_peerCount].Connect(ipEnd);
if (m_peerSockets[m_peerCount].Connected)
{
UpdateControls(true);
//Wait for data asynchronously
WaitForPeerData(m_peerSockets[m_peerCount]);//????
m_peerCount++;
}
}
catch (SocketException se)
{
string str;
str = "\nConnection failed, is the peer online?\n" + se.Message;
MessageBox.Show(str);
UpdateControls(false);
}
if (m_peerSockets[m_peerCount - 1].Connected)
{
try
{
string functionID = "/sndreq";
string request = functionID + clientlist[i].ticket + " " + hash;
//Object objData = request;
byte[] byData = System.Text.Encoding.ASCII.GetBytes(request);
if (m_peerSockets[m_peerCount - 1] != null)
{
m_peerSockets[m_peerCount - 1].Send(byData);
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
else
MessageBox.Show("shit load");
}
}
else
{
//decrypt message
tb_encRecv.Enabled = true;
tb_encRecv.Text = BytesToHex(Convert.FromBase64String(szData.Substring(0, szData.Length - 1)));
string decryptedText = cryptor.DecryptMessage(szData.Substring(0, szData.Length - 1));
richTextRxMessage.Text = decryptedText + "\n" + richTextRxMessage.Text;
}
WaitForData();
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket has been closed\n");
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
