public void Register(string username, string password)
{
string hashedPass = HashUtilities.HashPassword(password);
byte[] key = HashUtilities.HashKey(password);
string encryptedData = CryptographicUtilities.Encrypt(string.Empty, key);
RegistryData.CreateUser(username, hashedPass, encryptedData);
}
public static void Compose(BindingSource userData, string username, byte[] key)
{
StringBuilder builder = new StringBuilder();
foreach (var info in userData)
{
var hostInfo = (UserDataInfo)info;
builder.AppendFormat("{0}{4}{1}{4}{2}{4}{3}{5}",
hostInfo.HostName, hostInfo.Email, hostInfo.Username,
hostInfo.Password, Constants.InfoSplitChar, Constants.HostsSplitChar);
}
string encrypedData = CryptographicUtilities.Encrypt(builder.ToString(), key);
RegistryData.SetUserData(username, encrypedData);
}
public static void SetRestoredData(string[] data)
{
for (int i = 1; i < data.Length; i++)
{
data[i] = CryptographicUtilities.Decrypt(data[i], Constants.backUpKey);
}
string username = data[1];
string logInfo = data[2];
string userData = data[3];
registry.OpenSubKey(Constants.UsersLoginSubKeyPath, true).SetValue(username, logInfo);
registry.Close();
registry.OpenSubKey(Constants.UsersDataSubKeyPath, true).SetValue(username, userData);
registry.Close();
}
private void changeButton_Click(object sender, EventArgs e)
{
this.oldPassLabel.Visible = false;
this.newPassLabel.Visible = false;
string currentPassword = this.oldPasswordTextBox.Text;
string currentPasswordHash = HashUtilities.HashPassword(currentPassword);
string hashedPassword = RegistryData.GetUserPassword(this.User.Username);
if (currentPasswordHash == hashedPassword)
{
try
{
ValidateNewPassword(this.newPassTextBox.Text, this.confirmNewPassTextBox.Text);
string oldEncryptedData = RegistryData.GetUserData(this.User.Username);
string oldDecryptedData = CryptographicUtilities.Decrypt(oldEncryptedData, this.User.Key);
string newPassword = HashUtilities.HashPassword(this.newPassTextBox.Text);
byte[] newKey = HashUtilities.HashKey(this.newPassTextBox.Text);
string newData = CryptographicUtilities.Encrypt(oldDecryptedData, newKey);
RegistryData.SetNewPassword(this.User.Username, newPassword);
RegistryData.SetUserData(this.User.Username, newData);
this.User.SetNewKey(newKey);
MetroMessageBox.Show(this.MainForm, string.Empty, GlobalMessages.PasswordChanged
, MessageBoxButtons.OK, MessageBoxIcon.Information, 80);
this.Swipe(false);
}
catch (InvalidPasswordLenghtException ipe)
{
this.newPassLabel.Text = ipe.Message;
this.newPassLabel.Visible = true;
}
catch (PasswordMismatchException pme)
{
this.newPassLabel.Text = pme.Message;
this.newPassLabel.Visible = true;
}
}
else
{
this.oldPassLabel.Text = GlobalMessages.InvalidPassword;
this.oldPassLabel.Visible = true;
}
}
public static string[] GetDataForBackup(string username)
{
string logInfo = registry.OpenSubKey(Constants.UsersLoginSubKeyPath).GetValue(username).ToString();
string userData = registry.OpenSubKey(Constants.UsersDataSubKeyPath).GetValue(username).ToString();
string[] dataForBackup = new string[4];
dataForBackup[0] = Constants.BackupMark;
dataForBackup[1] = username;
dataForBackup[2] = logInfo;
dataForBackup[3] = userData;
for (int i = 0; i < dataForBackup.Length; i++)
{
dataForBackup[i] = CryptographicUtilities.Encrypt(dataForBackup[i], Constants.backUpKey);
}
return(dataForBackup);
}
public static BindingSource Parse(string username, byte[] key)
{
BindingSource parsedData = new BindingSource();
string encryptedData = RegistryData.GetUserData(username);
string decrypedData = CryptographicUtilities.Decrypt(encryptedData, key);
var splitedByHost = decrypedData.Split(new[] { Constants.HostsSplitChar }
, StringSplitOptions.RemoveEmptyEntries);
foreach (var info in splitedByHost)
{
string[] splitedInfo = info.Split(Constants.InfoSplitChar);
UserDataInfo dataInfo = new UserDataInfo(
splitedInfo[0], splitedInfo[1], splitedInfo[2], splitedInfo[3]);
parsedData.Add(dataInfo);
}
return(parsedData);
}
