public void Next1000Hashes()
{
var result = Enumerable.Range(0, 1000).Select(x => _md5.Md5Hash(Salt + x));
foreach (var hash in result)
{
Console.WriteLine(hash);
}
}
public IEnumerable <Day17MazeState> GetNextStates(Day17MazeState state)
{
if (state.Location.X == 3 && state.Location.Y == 3)
{
yield break;
}
//Console.WriteLine(state.Path);
var hash = _hasher.Md5Hash(state.Path).ToLower();
if (IsOpen(hash[0]) && state.Location.Y > 0) //Up
{
yield return(new Day17MazeState(state, CompassBearing.North));
}
if (IsOpen(hash[1]) && state.Location.Y < 3) //Down
{
yield return(new Day17MazeState(state, CompassBearing.South));
}
if (IsOpen(hash[2]) && state.Location.X > 0) //Left
{
yield return(new Day17MazeState(state, CompassBearing.West));
}
if (IsOpen(hash[3]) && state.Location.X < 3) //Left
{
yield return(new Day17MazeState(state, CompassBearing.East));
}
}
public string CalculatePassword(string input)
{
var sb = new StringBuilder();
int index = 0;
while (sb.Length < 8)
{
var hash = _md5Hasher.Md5Hash($"{input}{index}");
if (hash.StartsWith("00000"))
{
Console.WriteLine($"found a hash {hash}");
sb.Append(hash.Substring(5, 1));
}
index++;
}
return(sb.ToString().ToLower());
}
