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;
}
}
