public GeneratorOptions GetOptions(GeneratorOptions defaults)
{
PasswordLengthNumericUpDown.Value = defaults.WordLength;
SubsituteCheckBox.Checked = defaults.SubstituteCharacters;
SubstitutionComboBox.Text = defaults.SubstitutionList;
CapitalizationComboBox.SelectedIndex = (int)defaults.CapitalizationType;
if (this.ShowDialog() != DialogResult.OK) return defaults;
GeneratorOptions options = new GeneratorOptions();
options.WordLength = Convert.ToInt32(PasswordLengthNumericUpDown.Value);
options.SubstituteCharacters = SubsituteCheckBox.Checked;
options.SubstitutionList = SubstitutionComboBox.Text;
options.CapitalizationType = (CapitalizationTypes)CapitalizationComboBox.SelectedIndex;
return options;
}
/// <summary>
/// Returns a set of options associated with this generator.
/// </summary>
/// <param name="strCurrentOptions">The set of current options.</param>
/// <returns>The set of new options.</returns>
public override string GetOptions(string strCurrentOptions)
{
GeneratorOptions options = new GeneratorOptions(strCurrentOptions);
// Open the option dialog to generate new options.
OptionDialog optionsDialog = new OptionDialog();
options = optionsDialog.GetOptions(options);
optionsDialog.Dispose();
return options.ToString();
}
/// <summary>
/// Generate a random dictionary password.
/// </summary>
/// <param name="prf">The password profile to use.</param>
/// <param name="crsRandomSource">The cryptographic stream.</param>
/// <returns>A generated ProtectedString password.</returns>
public override ProtectedString Generate(PwProfile prf, CryptoRandomStream crsRandomSource)
{
// Get the generator options.
GeneratorOptions options = new GeneratorOptions(prf.CustomAlgorithmOptions);
// Check if a word dictionary has already been loaded, if not, load it.
if (_wordDictionary == null || _currentWordLength != options.WordLength)
{
_wordDictionary = ExtractWordDictionary(options.WordLength);
_currentWordLength = options.WordLength;
}
// Get a random word from the dictionary
RandomNumber randomNumber = new RandomNumber(crsRandomSource);
string password = _wordDictionary.Count > 0 ? _wordDictionary[randomNumber.Next(_wordDictionary.Count)] : string.Empty;
_wordDictionary.Remove(password);
// Substitute characters if specified.
if (options.SubstituteCharacters && !string.IsNullOrEmpty(options.SubstitutionList))
password = SubstituteCharacters(password, options.SubstitutionList);
// Capitalize if necessary
if (options.CapitalizationType != CapitalizationTypes.None)
password = CapitalizePassword(password, options.CapitalizationType, randomNumber);
return new ProtectedString(false, password);
}