public static void HackPasswords()
{
var passwordGuesses = new List <PasswordGuess>();
var passwordStatistics = new List <PasswordStatistics>();
string input = string.Empty;
while (string.IsNullOrEmpty(input) || input.Trim() == string.Empty)
{
Console.WriteLine("Enter comma separated or space separated list of passwords:");
input = Console.ReadLine() ?? string.Empty;
}
var passwords =
input.Trim()
.Split(", ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)
.Select(p => p.Trim())
.Select(p => new PasswordInfo(p))
.ToList();
do
{
passwordStatistics = Chooser.GetPasswordStatistics(passwords, passwordGuesses);
int totalPasswords = passwordStatistics.Count;
PasswordInfo passwordToTry = null;
if (totalPasswords == 1)
{
Console.WriteLine("There can be only one!");
passwordToTry = passwordStatistics.First().Password;
}
else
{
passwordToTry = passwordStatistics.Where(
ps =>
ps.CharacterMatchesPerMatchingPassword == passwordStatistics.Max(s => s.CharacterMatchesPerMatchingPassword)
).Select(p => p.Password).FirstOrDefault();
Console.Write(
string.Join(Environment.NewLine,
passwordStatistics.OrderByDescending(s => s.CharacterMatchesPerMatchingPassword).Select(
ps =>
string.Format("'{0}' has an average of {1:N} characters in each other matched password.",
ps.Password.OriginalPassword, ps.CharacterMatchesPerMatchingPassword))) + Environment.NewLine);
Console.WriteLine(Environment.NewLine);
}
if (passwordToTry == null)
{
Console.WriteLine("Something went wrong. Please check your input and try again.");
break;
}
Console.WriteLine("Try this password: {0}", passwordToTry);
int numCharsCorrect = GetPositiveNumber("How many characters were correct? (Type '100' if it worked)");
if (numCharsCorrect >= passwords.Max(p => p.Characters.Length))
{
Console.WriteLine("Congrats!");
break;
}
passwordGuesses.Add(new PasswordGuess(passwordToTry, numCharsCorrect));
} while (true);
}
