static void DebugGetFactoredKeyLengthWeightings()
{
Console.Write("Text> ");
string text = Console.ReadLine().ToUpper();
Console.Write("Discard single occurences (1/0)?> ");
bool discardSingle = int.Parse(Console.ReadLine()) != 0;
Repetition[] repetitions = Repetition.GetTextRepetitions(text);
Dictionary <int, int> keyLengthWeightings = KeyLengthDeduction.GetKeyLengthWeights(repetitions, discardSingle);
Dictionary <int, int> factoredWeightings = KeyLengthDeduction.GetFactoredKeyLengthWeights(keyLengthWeightings);
foreach (int factoredkeyLength in factoredWeightings.Keys)
{
Console.WriteLine($"{factoredkeyLength} : {factoredWeightings[factoredkeyLength]}");
}
Console.WriteLine();
Console.Write("Get Top x Results> ");
int count = int.Parse(Console.ReadLine());
Dictionary <int, int> topResults = ProgramMath.GetTopDictionaryKeysByValue(factoredWeightings, count);
foreach (int topResult in topResults.Keys)
{
Console.WriteLine($"{topResult} : {topResults[topResult]}");
}
}
static int KeyLengthSelection(string text)
{
Console.Write("Discard single-occurence key lengths (1/0)?> ");
bool discardSingle = int.Parse(Console.ReadLine()) != 0;
Repetition[] repetitions = Repetition.GetTextRepetitions(text);
Dictionary <int, int> keyLengthWeightings = KeyLengthDeduction.GetKeyLengthWeights(repetitions, discardSingle);
Dictionary <int, int> factoredWeightings = KeyLengthDeduction.GetFactoredKeyLengthWeights(keyLengthWeightings);
Console.Write("View how many top lengths?> ");
int topLengthsCount = int.Parse(Console.ReadLine());
int requestCount = topLengthsCount < factoredWeightings.Count ? topLengthsCount : factoredWeightings.Count;
Dictionary <int, int> topLengths = ProgramMath.GetTopDictionaryKeysByValue(factoredWeightings, requestCount);
Console.WriteLine();
Console.WriteLine("(English average IOC is about 0.0667)");
Console.WriteLine("Top Key Lengths:");
foreach (int length in topLengths.Keys)
{
decimal ioc = KeyLengthDeduction.GetAverageIOCOfTextByOffset(text, length);
Console.WriteLine($"{length} (weighting = {topLengths[length]}) - Average IOC = {ioc}");
}
Console.Write("Select chosen key length> ");
int keyLengthSelection = int.Parse(Console.ReadLine());
return(keyLengthSelection);
}
static void DebugStringByOffset()
{
Console.WriteLine("Text:");
string text = Console.ReadLine();
Console.Write("Offset> ");
int offset = int.Parse(Console.ReadLine());
string[] texts = KeyLengthDeduction.GetTextsFromStringByOffset(text, offset);
foreach (string sampleText in texts)
{
Console.WriteLine(sampleText);
}
}
static void DebugGetKeyLengthWeightings()
{
Console.Write("Text> ");
string text = Console.ReadLine().ToUpper();
Console.Write("Discard single occurences (1/0)?> ");
bool discardSingle = int.Parse(Console.ReadLine()) != 0;
Repetition[] repetitions = Repetition.GetTextRepetitions(text);
Dictionary <int, int> keyLengthWeightings = KeyLengthDeduction.GetKeyLengthWeights(repetitions, discardSingle);
foreach (int keyLength in keyLengthWeightings.Keys)
{
Console.WriteLine($"{keyLength} : {keyLengthWeightings[keyLength]}");
}
}
static void DebugOptimalCharacterMappingFull()
{
Console.Write("Text> ");
string text = Console.ReadLine().ToUpper();
const bool discardSingle = true;
Repetition[] repetitions = Repetition.GetTextRepetitions(text);
Dictionary <int, int> keyLengthWeightings = KeyLengthDeduction.GetKeyLengthWeights(repetitions, discardSingle);
Dictionary <int, int> factoredWeightings = KeyLengthDeduction.GetFactoredKeyLengthWeights(keyLengthWeightings);
const int topLengthsCount = 7;
Dictionary <int, int> topLengths = ProgramMath.GetTopDictionaryKeysByValue(factoredWeightings, topLengthsCount);
Console.WriteLine();
Console.WriteLine("Top Key Lengths:");
foreach (int length in topLengths.Keys)
{
Console.WriteLine($"{length} (weighting = {topLengths[length]})");
}
Console.Write("Select chosen key length> ");
int keyLengthSelection = int.Parse(Console.ReadLine());
string[] selections = FrequencyAnalysis.SplitTextByOffset(text, keyLengthSelection);
Console.WriteLine();
Console.WriteLine("Text Offset Selections:");
for (int i = 0; i < selections.Length; i++)
{
Console.WriteLine(i + ") " + selections[i]);
}
Console.Write("Select text offset selection> ");
int offsetSelectionIndex = int.Parse(Console.ReadLine());
Debug.Assert(0 <= offsetSelectionIndex &&
offsetSelectionIndex < selections.Length);
string selectedTextOffsetSelection = selections[offsetSelectionIndex];
Dictionary <char, double> selectionCharacterProportion = FrequencyAnalysis.CharFrequencyToCharProportion(FrequencyAnalysis.GetTextCharFrequency(selectedTextOffsetSelection));
Dictionary <char, double> englishCharacterProportions = EnglishLetterFrequency.GetLetterProportions();
double mappingDifference;
int _;
Dictionary <char, char> optimalMapping = FrequencyAnalysis.GetOptimalCharacterMapping(selectionCharacterProportion,
englishCharacterProportions,
out mappingDifference,
out _);
Console.WriteLine();
Console.WriteLine($"Mapping Difference: {mappingDifference}");
foreach (char textChar in optimalMapping.Keys)
{
Console.WriteLine($"{textChar} -> {optimalMapping[textChar]}");
}
}
