private void button_genResponse_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrWhiteSpace(textBox_challengeValue.Text))
{
this.Dispatcher.Invoke(new Action(() =>
{
snackbar.MessageQueue.Enqueue("未收到挑战值，无法计算");
}));
return;
}
//如果已经认证通过就不需要再验证了
if (IsAuthenticated)
{
this.Dispatcher.Invoke(new Action(() =>
{
snackbar.MessageQueue.Enqueue("已认证通过，无需再次操作");
}));
return;
}
StringBuilder sBuilder = new StringBuilder();
byte[] hash;
using (MD5 md5Hash = MD5.Create())
{
//计算响应值
hash = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(textBox_challengeValue.Text));
hash = md5Hash.ComputeHash(hash);
}
//计算响应密文(期望响应)
AES = DataCrypto.GenAesCryptoServiceProvider(Key);
string Response = Convert.ToBase64String(DataCrypto.Encrypt(hash, AES));
textBox_genResponse.Text = Response;
Authen_Message am = new Authen_Message(Status_Flag.Response_Challenge, DateTime.Now, Response);
socketConn.Send(Message2Byte(am));
}
private void SendFile(object fileParam)
{
File_Info fi = (File_Info)fileParam;
socketSendFile = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint iep = new IPEndPoint(((IPEndPoint)socketConn.RemoteEndPoint).Address, 8089);
try
{
socketSendFile.Connect(iep);
}
catch
{
this.Dispatcher.Invoke(new Action(() =>
{
WriteLog("传输端口无响应");
snackbar.MessageQueue.Enqueue("传输端口无响应");
}));
}
this.Dispatcher.Invoke(new Action(() =>
{
WriteLog("开始发送 " + new FileInfo(fi.FileName).Name);
snackbar.MessageQueue.Enqueue("开始发送 " + new FileInfo(fi.FileName).Name);
}));
long offset = 0;
this.Dispatcher.Invoke(new Action(() =>
{
progressBar_sendFile.Minimum = 0;
progressBar_sendFile.Maximum = fi.FileLength;
button_sendFile.IsEnabled = false;
}));
while (true)
{
//读取文件块
byte[] Read_buffer = FileRead(fi.FileName, offset, File_Buffer_Size);
int length = Read_buffer.Length;
offset += length;
//加密文件块
byte[] Send_Buffer = DataCrypto.Encrypt(Read_buffer, AES);
try
{
length = socketSendFile.Send(Send_Buffer);
}
catch (Exception ex)
{
this.Dispatcher.Invoke(new Action(() =>
{
WriteLog(ex.ToString());
WriteLog("传输连接已断开");
snackbar.MessageQueue.Enqueue("传输连接已断开，停止发送 " + new FileInfo(fi.FileName).Name);
}));
break;
}
this.Dispatcher.Invoke(new Action(() =>
{
progressBar_sendFile.Value = offset;
}));
if (offset >= fi.FileLength)
{
this.Dispatcher.Invoke(new Action(() =>
{
WriteLog(new FileInfo(fi.FileName).Name + " 发送完毕");
snackbar.MessageQueue.Enqueue(new FileInfo(fi.FileName).Name + " 发送完毕");
socketSendFile.Shutdown(SocketShutdown.Both);
socketSendFile.Close();
socketSendFile = null;
}));
break;
}
System.GC.Collect();
}
this.Dispatcher.Invoke(new Action(() =>
{
button_sendFile.IsEnabled = true;
}));
System.GC.Collect();
}
