public void RasEncryptTest()
{
RSAEncrypt Rsa = new RSAEncrypt();
Rsa.GenerateKeys("d://pems");
string s = "王进锋";
string s1 = "jfwang123";
var spwd = Rsa.Encrypt(s, "d://pems/RSA.Pub");
var s1pwd = Rsa.Encrypt(s1, "d://pems/RSA.Pub");
Assert.Equal(Rsa.Decrypt(spwd, "d://pems/RSA.Private"), s);
Assert.Equal(Rsa.Decrypt(s1pwd, "d://pems/RSA.Private"), s1);
}
public void Encrypt(string val)
{
//RSACryptoServiceProvider oRSA = new RSACryptoServiceProvider();
//string privatekey = oRSA.ToXmlString(true);//私钥
//string publickey = oRSA.ToXmlString(false);//公钥
////这两个密钥需要保存下来
//byte[] messagebytes = Encoding.UTF8.GetBytes(val); //需要加密的数据
////公钥加密
//RSACryptoServiceProvider oRSA1 = new RSACryptoServiceProvider();
//oRSA1.FromXmlString(publickey); //加密要用到公钥所以导入公钥
//byte[] AOutput = oRSA1.Encrypt(messagebytes, false); //AOutput 加密以后的数据
var str = RSAEncrypt.Encrypt(val);
Console.WriteLine(str);
str = RSAEncrypt.Decrypt(val);
Console.WriteLine(str);
}
public async Task <IActionResult> OnGetAsync(int id)
{
TripleDESCryptoServiceProvider TDES = new TripleDESCryptoServiceProvider();
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
OnlineUsersHtml = "";
var ChatUsers = _dbContext.ChatUsers
.Include(s => s.User)
.Include(r => r.Chat);
foreach (ChatUser user in ChatUsers)
{
if (user.UserId == _userManager.GetUserId(User) && user.ChatRoomId == id)
{
ChatUser = user;
break;
}
}
CurrentRoom = _dbContext.ChatRooms.Find(id);
if (CurrentRoom == null)
{
RedirectToPage("./Index");
}
if (ChatUser == null)
{
TDES.GenerateKey();
ChatUser = new ChatUser()
{
User = await _userManager.GetUserAsync(User),
Chat = CurrentRoom,
IsAdmin = false,
DesKey = TDES.Key,
CommandInter = (int)ChatUser.Command.AddChatUser
};
_dbContext.ChatUsers.Add(ChatUser);
await _dbContext.SaveChangesAsync();
}
if (!Startup.clients.ContainsKey(ChatUser.ChatUserId))
{
Client = new TcpClient();
await Client.ConnectAsync(IPAddress.Parse("127.0.0.1"), 10140);
Startup.clients.Add(ChatUser.ChatUserId, Client);
Startup.userMsgBox.Add(ChatUser.ChatUserId, MsgHtml);
Stream = Startup.clients[ChatUser.ChatUserId].GetStream();
Writer = new StreamWriter(Stream)
{
AutoFlush = true
};
Reader = new StreamReader(Stream);
ChatUser.CommandInter = (int)ChatUser.Command.getRSAKey;
Input = JsonConvert.SerializeObject(ChatUser);
Writer.WriteLine(Input);
while (true)
{
if (Client.Available > 0)
{
string data = Reader.ReadLine();
ChatUser = JsonConvert.DeserializeObject <ChatUser>(data);
break;
}
}
ChatUser.CommandInter = (int)ChatUser.Command.AddChatUser;
ChatUser.DesKey = RSAEncrypt.Encrypt(ChatUser.DesKey, 2048, ChatUser.RsaKey);
Input = JsonConvert.SerializeObject(ChatUser);
Writer.WriteLine(Input);
}
MsgHtml = Startup.userMsgBox[ChatUser.ChatUserId];
var chatUsers = _dbContext.ChatUsers
.Include(s => s.User)
.Include(r => r.Chat)
.Where(u => u.ChatRoomId == CurrentRoom.ChatRoomId);
foreach (ChatUser user in chatUsers)
{
OnlineUsersHtml += "<div class='user'>" +
"<div class='avatar'>" +
"<img src ='" + user.User.Avatar + "' alt='User name'>" +
"<div class='status " + user.User.Status + "'></div>" +
"</div>" +
"<div class='name'>" + user.User.UserName + "</div>" +
"<div class='mood'>" + user.User.Mood + "</div>" +
"</div>";
}
Startup.ReceiveEvent = new Task(() => ReceiveData(ChatUser));
Startup.ReceiveEvent.Start();
return(Page());
}