private static void signUp(AdvanceStream stream, MainWindow mainWindow)
{
string digCer = stream.ReadString();
DigitalCertificate dc = DigitalCertificate.newClientObject(digCer);
MainWindow.instance.Log("Get client certificate.....");
string publicKey = "";
MainWindow.instance.Log("connect to CA.....");
MainWindow.clientForCertificate.connect((e) =>
{
e.Write("2");
});
publicKey = getCApublicKey(MainWindow.clientForCertificate.stream);
KeysManager.RSAPcublicKeyOfCA = publicKey;
MainWindow.instance.Log("CA public key", publicKey);
if (dc.verviy())
{
stream.Write("1");
byte[] encrSingUpdata = stream.ReadBytes();
RSA rsa = new RSA("Server");
byte[] decrypSingUpData = rsa.decrypt(encrSingUpdata, KeysManager.RSAPrivateKey);
MainWindow.instance.Log("Encrypted SignUp Data", Encoding.UTF8.GetString(encrSingUpdata));
MainWindow.instance.Log("Decrypted SignUp Data", Encoding.UTF8.GetString(decrypSingUpData));
SignUpObject signUpObject = SignUpObject.newLoginObject(Encoding.UTF8.GetString(decrypSingUpData));
var user = DBContext.getInstace().Clients.SingleOrDefault(item => item.Username == signUpObject.username);
if (user != null)
{
if (user.Username.Equals(signUpObject.username))
{
stream.Write("0");
MainWindow.instance.Log("Error username already taken ", signUpObject.username);
}
else
{
stream.Write("1");
MainWindow.instance.Log("Error password already taken");
}
}
else
{
DBContext.getInstace().Clients.Add(new Models.Client(signUpObject.name, signUpObject.username, signUpObject.password));
DBContext.getInstace().SaveChanges();
stream.Write("2");
user = DBContext.getInstace().Clients.SingleOrDefault(item => item.Username == signUpObject.username);
stream.Write(user.toJsonObject() + '\t' + "");
byte[] encryptKey = rsa.encrypte(KeysManager.AESkey, dc.SubjectPublicKey);
stream.Write(encryptKey);
MainWindow.instance.Log("Sign Up Successfully", user.Name);
}
}
else
{
stream.Write("0");
}
MainWindow.instance.Log();
}
public static bool SignUp(AdvanceStream stream, string signUpData)
{
bool result = false;
bool signUpResult = false;
SignUpObject signUp = SignUpObject.newLoginObject(signUpData);
MainWindow.clientForCertificate.connectUntilSuss((e) =>
{
RequestsManager.connectToCA(e);
});
RSA rsa = new RSA(signUp.name);
KeyManager.generateRSAPublicKey(rsa.rsaSP);
KeyManager.generateRSAPrivateKey(rsa.rsaSP);
Models.DigitalCertificate dc = new Models.DigitalCertificate();
result = getCertificate(MainWindow.clientForCertificate.stream, signUp.name, KeyManager.RSAPublicKey, out dc);
stream.Write("5");
if (result)
{
stream.Write(dc.toJsonObject());
string checkResult = stream.ReadString();
if (checkResult == "1")
{
MainWindow.instance.Log("Certificate has been checked\nreciving Server Public Key");
byte[] signUpByte = Encoding.UTF8.GetBytes(signUpData);
byte[] EncreptedLoginDataByte = rsa.encrypte(signUpByte, KeyManager.serverRSAPublicKey);
MainWindow.instance.Log("Sign Up Data", signUpData);
MainWindow.instance.Log("Encrypted Sign Up Data", Encoding.UTF8.GetString(EncreptedLoginDataByte));
stream.Write(EncreptedLoginDataByte);
string response = stream.ReadString();
if (response.Equals("0"))
{
//no user
MainWindow.instance.Log("User name is taken");
signUpResult = false;
}
else if (response.Equals("1"))
{
//wrong password
MainWindow.instance.Log("Password is takten");
signUpResult = false;
}
else
{
//ok
response = stream.ReadString();
string[] words = response.Split('\t');
MainWindow.user = Server.Models.Client.newClientObject(words[0]);
MainWindow.instance.Log(words[0]);
byte[] inStream = stream.ReadBytes();
byte[] decrypKey = rsa.decrypt(inStream, KeyManager.RSAPrivateKey);
MainWindow.instance.Log("Encrypted AES Key", Convert.ToBase64String(inStream, 0, inStream.Length));
KeyManager.serverAESPublicKey = Convert.ToBase64String(decrypKey, 0, decrypKey.Length);
MainWindow.instance.Log("AES Key", KeyManager.serverAESPublicKey);
signUpResult = true;
}
}
else
{
MessageBox.Show("Not a vailed certificate");
}
MainWindow.instance.Log();
}
else
{
MessageBox.Show("Can't get a certificate");
}
return(signUpResult);
}
