private void BtGeneratePasswords_Click(object sender, RoutedEventArgs e)
{
var contentBuilder = new StringBuilder();
if (CbPasswordConsonants.IsChecked == true)
{
switch (CoBPasswordLetters.SelectedIndex)
{
case 0:
contentBuilder.Append("qQwWrRtTzZpPsSdDfFgGhHjJkKlLyYxXcCvVbBnNmM");
break;
case 1:
contentBuilder.Append("QWRTZPSDFGHJKLYXCVBNM");
break;
case 2:
contentBuilder.Append("qwrtzpsdfghjklyxcvbnm");
break;
}
}
if (CbPasswordVocals.IsChecked == true)
{
switch (CoBPasswordLetters.SelectedIndex)
{
case 0:
contentBuilder.Append("aAeEiIoOuU");
break;
case 1:
contentBuilder.Append("AEIOU");
break;
case 2:
contentBuilder.Append("aeiou");
break;
}
}
if (CbPasswordNumbers.IsChecked == true)
{
contentBuilder.Append("0123456789");
}
if (CbPasswordSymbols.IsChecked == true)
{
contentBuilder.Append(@"!§$@%&/()=?\}][{<>|,;.:-_#+*~^");
}
var passwordList = new List <string>(0);
if (!NudPasswordLength.Value.HasValue)
{
return;
}
var length = NudPasswordLength.Value;
if (contentBuilder.Length < 1)
{
return;
}
var content = contentBuilder.ToString();
using (var random = new RNGCryptoServiceProvider())
{
for (var pw = 0; pw < NudPasswordCount.Value; ++pw)
{
var password = new StringBuilder();
var pwLength = length;
while (0 < pwLength--)
{
password.Append(content[random.GetNextInt32(content.Length)]);
}
passwordList.Add(password.ToString());
}
}
foreach (var password in passwordList)
{
LbPasswords.Items.Add(password);
}
}
public void GetNextInt32ThrowsException()
{
RNGCryptoServiceProvider rnd = null;
Assert.That(() => rnd.GetNextInt32(), Throws.ArgumentNullException);
}
/// <summary>
/// Shuffles the characters in a string.
/// </summary>
/// <param name="input">String to shuffle.</param>
/// <returns>String with same characters but in a different order.</returns>
public static string Shuffle(this string input)
{
using (var rnd = new RNGCryptoServiceProvider())
{
return(string.IsNullOrEmpty(input) ? string.Empty : new string(input.ToCharArray().OrderBy(x => rnd.GetNextInt32()).ToArray()));
}
}
public static IEnumerable <T> Shuffle <T>(this IEnumerable <T> array)
{
RNGCryptoServiceProvider rnd = new RNGCryptoServiceProvider();
return(array.OrderBy(x => rnd.GetNextInt32()));
}