public static string AnalyzeKeyGuess(string inStr, string keyGuess)
{
var outStr = new StringBuilder();
var count = 0;
var decryptList = new DecryptObjList();
// Try Vigenere
var decryptStr = Vigenere.VigenereDecode(inStr, keyGuess);
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj("Vigenere", count, decryptStr));
}
// Try Fractionated Morse
decryptStr = Morse.FracMorseCodeDecrypt(inStr, keyGuess);
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj("Fractionated Morse", count, decryptStr));
}
// Try Keyword
decryptStr = Miscellaneous.KeywordCipherDecode(inStr, keyGuess, "");
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj("Keyword", count, decryptStr));
}
// Try Playfair
decryptStr = Playfair.PlayfairDecrypt(inStr, keyGuess);
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj("Playfair", count, decryptStr));
}
return(decryptList.BuildList());
}
public static string VigenereKeyBruteForce(string inStr)
{
var outStr = new StringBuilder();
var keyStr = new StringBuilder();
var count = 0;
var decryptList = new DecryptObjList();
// 1 letter keys
for (var i1 = 0; i1 < 26; i1++)
{
keyStr.Length = 0;
keyStr.Append((char)('a' + i1));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
// 2 letter keys
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}", (char)('a' + i1), (char)('a' + i2));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
// 3 letter keys
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
for (var i3 = 3; i3 < 26; i3++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}{2}", (char)('a' + i1), (char)('a' + i2), (char)('a' + i3));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
}
// 4 letter keys
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
for (var i3 = 0; i3 < 26; i3++)
{
for (var i4 = 0; i4 < 26; i4++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}{2}{3}", (char)('a' + i1), (char)('a' + i2), (char)('a' + i3),
(char)('a' + i4));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
}
}
if (FullRun)
{
// 5 letter keys
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
for (var i3 = 0; i3 < 26; i3++)
{
for (var i4 = 0; i4 < 26; i4++)
{
for (var i5 = 0; i5 < 26; i5++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}{2}{3}{4}", (char)('a' + i1), (char)('a' + i2),
(char)('a' + i3), (char)('a' + i4), (char)('a' + i5));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
}
}
}
// 6 letter keys - 5 letters and x
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
for (var i3 = 0; i3 < 26; i3++)
{
for (var i4 = 0; i4 < 26; i4++)
{
for (var i5 = 0; i5 < 26; i5++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}{2}{3}{4}x", (char)('a' + i1), (char)('a' + i2),
(char)('a' + i3), (char)('a' + i4), (char)('a' + i5));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
}
}
}
// 7 letter keys - 5 letters and xx
for (var i1 = 0; i1 < 26; i1++)
{
for (var i2 = 0; i2 < 26; i2++)
{
for (var i3 = 0; i3 < 26; i3++)
{
for (var i4 = 0; i4 < 26; i4++)
{
for (var i5 = 0; i5 < 26; i5++)
{
keyStr.Length = 0;
keyStr.AppendFormat("{0}{1}{2}{3}{4}xx", (char)('a' + i1), (char)('a' + i2),
(char)('a' + i3), (char)('a' + i4), (char)('a' + i5));
var decryptStr = Vigenere.VigenereDecode(inStr, keyStr.ToString());
count = NumberOfLibraryMatches(decryptStr);
if (count >= PositiveMatchCount)
{
DecryptObjList.AddObj(new DecryptObj(keyStr.ToString(), count, decryptStr));
}
}
}
}
}
}
}
return(decryptList.BuildList());
}
protected void Button2_Click(object sender, EventArgs e)
{
int numRows;
switch (DropDownList3.Text)
{
case "Caesar Tools":
switch (DropDownList4.Text)
{
case "ROT-13":
TextBox2.Text = CaesarTools.RotNEncrypt(13, TextBox1.Text);
break;
case "ROT-1":
TextBox2.Text = CaesarTools.RotNEncrypt(1, TextBox1.Text);
break;
case "ROT-2":
TextBox2.Text = CaesarTools.RotNEncrypt(2, TextBox1.Text);
break;
case "ROT-3":
TextBox2.Text = CaesarTools.RotNEncrypt(3, TextBox1.Text);
break;
case "ROT-4":
TextBox2.Text = CaesarTools.RotNEncrypt(4, TextBox1.Text);
break;
case "ROT-5":
TextBox2.Text = CaesarTools.RotNEncrypt(5, TextBox1.Text);
break;
case "ROT-6":
TextBox2.Text = CaesarTools.RotNEncrypt(6, TextBox1.Text);
break;
case "ROT-7":
TextBox2.Text = CaesarTools.RotNEncrypt(7, TextBox1.Text);
break;
case "ROT-8":
TextBox2.Text = CaesarTools.RotNEncrypt(8, TextBox1.Text);
break;
case "ROT-9":
TextBox2.Text = CaesarTools.RotNEncrypt(9, TextBox1.Text);
break;
case "ROT-10":
TextBox2.Text = CaesarTools.RotNEncrypt(10, TextBox1.Text);
break;
case "ROT-11":
TextBox2.Text = CaesarTools.RotNEncrypt(11, TextBox1.Text);
break;
case "ROT-12":
TextBox2.Text = CaesarTools.RotNEncrypt(12, TextBox1.Text);
break;
case "ROT-14":
TextBox2.Text = CaesarTools.RotNEncrypt(14, TextBox1.Text);
break;
case "ROT-15":
TextBox2.Text = CaesarTools.RotNEncrypt(15, TextBox1.Text);
break;
case "ROT-16":
TextBox2.Text = CaesarTools.RotNEncrypt(16, TextBox1.Text);
break;
case "ROT-17":
TextBox2.Text = CaesarTools.RotNEncrypt(17, TextBox1.Text);
break;
case "ROT-18":
TextBox2.Text = CaesarTools.RotNEncrypt(18, TextBox1.Text);
break;
case "ROT-19":
TextBox2.Text = CaesarTools.RotNEncrypt(19, TextBox1.Text);
break;
case "ROT-20":
TextBox2.Text = CaesarTools.RotNEncrypt(20, TextBox1.Text);
break;
case "ROT-21":
TextBox2.Text = CaesarTools.RotNEncrypt(21, TextBox1.Text);
break;
case "ROT-22":
TextBox2.Text = CaesarTools.RotNEncrypt(22, TextBox1.Text);
break;
case "ROT-23":
TextBox2.Text = CaesarTools.RotNEncrypt(23, TextBox1.Text);
break;
case "ROT-24":
TextBox2.Text = CaesarTools.RotNEncrypt(24, TextBox1.Text);
break;
case "ROT-25":
TextBox2.Text = CaesarTools.RotNEncrypt(25, TextBox1.Text);
break;
case "Caesar Bruteforce":
TextBox2.Text = CaesarTools.CaesarBruteforce(TextBox1.Text);
break;
default:
TextBox2.Text = "Unknown Caesar Tools option";
break;
}
break;
case "Vigenere Tools":
switch (DropDownList4.Text)
{
case "Vigenere Cipher Encoder":
TextBox2.Text = Vigenere.VigenereEncode(TextBox1.Text, TextBox3.Text);
break;
default:
TextBox2.Text = "Unknown Vigenere Tools option";
break;
}
break;
case "Morse Code Tools":
switch (DropDownList4.Text)
{
case "Morse Code Encrypt":
TextBox2.Text = Morse.MorseCodeEncrypt(TextBox1.Text);
break;
case "Fractionated Morse Encrypt":
TextBox2.Text = Morse.FracMorseCodeEncrypt(TextBox1.Text, TextBox3.Text);
break;
default:
TextBox2.Text = "Unknown Morse Code option";
break;
}
break;
case "Bacon Ciphers":
switch (DropDownList4.Text)
{
case "Baconian Cipher":
switch (DropDownList6.Text)
{
case "24 letter alphabet":
TextBox2.Text = BaconianTools.BaconianEncode(TextBox1.Text, false);
break;
case "26 letter alphabet":
TextBox2.Text = BaconianTools.BaconianEncode(TextBox1.Text, true);
break;
default:
break;
}
break;
case "Bacon's Biliteral - lower case == A":
switch (DropDownList6.Text)
{
case "24 letter alphabet":
TextBox2.Text = BaconianTools.BaconBiliteralEncode(TextBox1.Text, false);
break;
case "26 letter alphabet":
TextBox2.Text = BaconianTools.BaconBiliteralEncode(TextBox1.Text, true);
break;
default:
break;
}
break;
default:
TextBox2.Text = "Unknown Bacon Cipher option";
break;
}
break;
case "Miscellaneous Ciphers":
switch (DropDownList4.Text)
{
case "Keyword Cipher":
TextBox2.Text = Miscellaneous.KeywordCipherEncode(TextBox1.Text, TextBox3.Text, TextBox6.Text);
break;
case "Playfair Cipher":
TextBox2.Text = Playfair.PlayfairEncrypt(TextBox1.Text, TextBox3.Text);
break;
case "One Time Pad":
TextBox2.Text = OneTimePadTools.OneTimePadEncrypt(TextBox1.Text, TextBox3.Text);
break;
case "Rail Fence Cipher":
numRows = DropDownList6.Text[0] - '0';
TextBox2.Text = RailFence.RailFenceEncrypt(TextBox1.Text, numRows);
break;
default:
TextBox2.Text = "Unknown Miscellaneous Code option";
break;
}
break;
default:
TextBox2.Text = "Unknown option.";
break;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int numRows;
switch (DropDownList1.Text)
{
case "Caesar Tools":
switch (DropDownList2.Text)
{
case "ROT-13":
TextBox2.Text = CaesarTools.RotNDecrypt(13, TextBox1.Text);
break;
case "ROT-1":
TextBox2.Text = CaesarTools.RotNDecrypt(1, TextBox1.Text);
break;
case "ROT-2":
TextBox2.Text = CaesarTools.RotNDecrypt(2, TextBox1.Text);
break;
case "ROT-3":
TextBox2.Text = CaesarTools.RotNDecrypt(3, TextBox1.Text);
break;
case "ROT-4":
TextBox2.Text = CaesarTools.RotNDecrypt(4, TextBox1.Text);
break;
case "ROT-5":
TextBox2.Text = CaesarTools.RotNDecrypt(5, TextBox1.Text);
break;
case "ROT-6":
TextBox2.Text = CaesarTools.RotNDecrypt(6, TextBox1.Text);
break;
case "ROT-7":
TextBox2.Text = CaesarTools.RotNDecrypt(7, TextBox1.Text);
break;
case "ROT-8":
TextBox2.Text = CaesarTools.RotNDecrypt(8, TextBox1.Text);
break;
case "ROT-9":
TextBox2.Text = CaesarTools.RotNDecrypt(9, TextBox1.Text);
break;
case "ROT-10":
TextBox2.Text = CaesarTools.RotNDecrypt(10, TextBox1.Text);
break;
case "ROT-11":
TextBox2.Text = CaesarTools.RotNDecrypt(11, TextBox1.Text);
break;
case "ROT-12":
TextBox2.Text = CaesarTools.RotNDecrypt(12, TextBox1.Text);
break;
case "ROT-14":
TextBox2.Text = CaesarTools.RotNDecrypt(14, TextBox1.Text);
break;
case "ROT-15":
TextBox2.Text = CaesarTools.RotNDecrypt(15, TextBox1.Text);
break;
case "ROT-16":
TextBox2.Text = CaesarTools.RotNDecrypt(16, TextBox1.Text);
break;
case "ROT-17":
TextBox2.Text = CaesarTools.RotNDecrypt(17, TextBox1.Text);
break;
case "ROT-18":
TextBox2.Text = CaesarTools.RotNDecrypt(18, TextBox1.Text);
break;
case "ROT-19":
TextBox2.Text = CaesarTools.RotNDecrypt(19, TextBox1.Text);
break;
case "ROT-20":
TextBox2.Text = CaesarTools.RotNDecrypt(20, TextBox1.Text);
break;
case "ROT-21":
TextBox2.Text = CaesarTools.RotNDecrypt(21, TextBox1.Text);
break;
case "ROT-22":
TextBox2.Text = CaesarTools.RotNDecrypt(22, TextBox1.Text);
break;
case "ROT-23":
TextBox2.Text = CaesarTools.RotNDecrypt(23, TextBox1.Text);
break;
case "ROT-24":
TextBox2.Text = CaesarTools.RotNDecrypt(24, TextBox1.Text);
break;
case "ROT-25":
TextBox2.Text = CaesarTools.RotNDecrypt(25, TextBox1.Text);
break;
case "Caesar Bruteforce":
TextBox2.Text = CaesarTools.CaesarBruteforce(TextBox1.Text);
break;
default:
TextBox2.Text = "Unknown Caesar Tools option";
break;
}
break;
case "ASCII Tools":
switch (DropDownList2.Text)
{
case "Decimal to ASCII":
TextBox2.Text = AsciiTools.DecimalToAscii(TextBox1.Text);
break;
case "Hex to ASCII":
TextBox2.Text = AsciiTools.HexToAscii(TextBox1.Text);
break;
case "Binary to ASCII":
TextBox2.Text = AsciiTools.BinaryToAscii(TextBox1.Text);
break;
case "ASCII to Decimal":
TextBox2.Text = AsciiTools.AsciiToDecimal(TextBox1.Text);
break;
case "ASCII to Hex":
TextBox2.Text = AsciiTools.AsciiToHex(TextBox1.Text);
break;
case "ASCII to Binary":
TextBox2.Text = AsciiTools.AsciiToBinary(TextBox1.Text);
break;
case "Binary to Decimal":
TextBox2.Text = AsciiTools.BinaryToDecimal(TextBox1.Text);
break;
case "Binary to Hex":
TextBox2.Text = AsciiTools.BinaryToHex(TextBox1.Text);
break;
case "Number to Letter (a = 1)":
TextBox2.Text = AsciiTools.NumberToLetter(TextBox1.Text);
break;
case "Index into String":
TextBox2.Text = AsciiTools.IndexIntoString(TextBox1.Text, TextBox3.Text);
break;
default:
TextBox2.Text = "Unknown ASCII option";
break;
}
break;
case "Vigenere Tools":
switch (DropDownList2.Text)
{
case "Vigenere Cipher Decoder":
TextBox2.Text = Vigenere.VigenereDecode(TextBox1.Text, TextBox3.Text);
break;
case "Vigenere Key Guesser":
TextBox3.Text = Vigenere.VigenereKeyGuesser(TextBox1.Text, TextBox2.Text);
break;
default:
TextBox2.Text = "Unknown Vigenere option";
break;
}
break;
case "Morse Code Tools":
switch (DropDownList2.Text)
{
case "Morse Code Decrypt":
TextBox2.Text = Morse.MorseCodeDecrypt(TextBox1.Text);
break;
case "Fractionated Morse Decrypt":
TextBox2.Text = Morse.FracMorseCodeDecrypt(TextBox1.Text, TextBox3.Text);
break;
default:
TextBox2.Text = "Unknown Morse Code option";
break;
}
break;
case "Bacon Ciphers":
switch (DropDownList2.Text)
{
case "Baconian Cipher":
switch (DropDownList5.Text)
{
case "24 letter alphabet":
TextBox2.Text = BaconianTools.BaconianDecode(TextBox1.Text, false);
break;
case "26 letter alphabet":
TextBox2.Text = BaconianTools.BaconianDecode(TextBox1.Text, true);
break;
default:
break;
}
break;
case "Bacon's Biliteral - lower case == A":
switch (DropDownList5.Text)
{
case "24 letter alphabet":
TextBox2.Text = BaconianTools.BaconBiliteralDecode(TextBox1.Text, false);
break;
case "26 letter alphabet":
TextBox2.Text = BaconianTools.BaconBiliteralDecode(TextBox1.Text, true);
break;
default:
break;
}
break;
default:
TextBox2.Text = "Unknown Bacon Cipher option";
break;
}
break;
case "Miscellaneous Ciphers":
switch (DropDownList2.Text)
{
case "Keyword Cipher":
TextBox2.Text = Miscellaneous.KeywordCipherDecode(TextBox1.Text, TextBox3.Text, TextBox6.Text);
break;
case "Playfair Cipher":
TextBox2.Text = Playfair.PlayfairDecrypt(TextBox1.Text, TextBox3.Text);
break;
case "Playfair Key Square":
TextBox2.Text = Playfair.PrintKeyTable(TextBox3.Text);
break;
case "One Time Pad":
TextBox2.Text = OneTimePadTools.OneTimePadDecrypt(TextBox1.Text, TextBox3.Text);
break;
case "One Time Pad Key Guesser":
TextBox2.Text = OneTimePadTools.OneTimePadKeyGuesser(TextBox1.Text, TextBox3.Text);
break;
case "Rail Fence Cipher":
numRows = DropDownList5.Text[0] - '0';
TextBox2.Text = RailFence.RailFenceDecrypt(TextBox1.Text, numRows);
break;
default:
TextBox2.Text = "Unknown Miscellaneous Code option";
break;
}
break;
case "Tools":
switch (DropDownList2.Text)
{
case "Reverse String":
TextBox2.Text = Utilities.ReverseString(TextBox1.Text);
break;
case "Text Offset":
TextBox2.Text = Utilities.ComputeTextOffset(TextBox1.Text, TextBox4.Text, TextBox5.Text);
break;
case "Show just CAPS":
TextBox2.Text = Utilities.OnlyCaps(TextBox1.Text);
break;
case "Show just lowercase":
TextBox2.Text = Utilities.OnlyLower(TextBox1.Text);
break;
case "Convert to CAPS":
TextBox2.Text = Utilities.ToCaps(TextBox1.Text);
break;
case "Convert to lowercase":
TextBox2.Text = Utilities.ToLower(TextBox1.Text);
break;
case "Character Count":
var outStr = new StringBuilder();
outStr.AppendFormat("{0} characters", TextBox1.Text.Length);
TextBox2.Text = outStr.ToString();
break;
case "Remove Spaces":
TextBox2.Text = Utilities.RemoveSpaces(TextBox1.Text);
break;
case "Remove All But Letters":
TextBox2.Text = Utilities.RemoveAllButLetters(TextBox1.Text);
break;
case "Sum of Letters":
TextBox2.Text = Utilities.SumOfLetters(TextBox1.Text);
break;
case "Test Routine":
TextBox2.Text = Utilities.BuildCipherAlphabetFromKey(TextBox3.Text, TextBox6.Text);
break;
default:
TextBox2.Text = "Unknown option";
break;
}
break;
case "Analyze Code":
switch (DropDownList2.Text)
{
case "Analyze - No Key":
TextBox2.Text = Analyze.AnalyzeNoKey(TextBox1.Text);
break;
case "Analyze - Key Guess":
TextBox2.Text = Analyze.AnalyzeKeyGuess(TextBox1.Text, TextBox3.Text);
break;
case "Vigenere Key Brute Force":
TextBox2.Text = Analyze.VigenereKeyBruteForce(TextBox1.Text);
break;
case "Fractionated Morse Brute Force":
TextBox2.Text = Analyze.FracMorseKeyBruteForce(TextBox1.Text);
break;
case "Keyword (Standard Alphabet) Brute Force":
TextBox2.Text = Analyze.FracMorseKeyBruteForce(TextBox1.Text);
break;
default:
TextBox2.Text = "Unknown option";
break;
}
break;
default:
TextBox2.Text = "Unknown option";
break;
}
}