public static void Decrypt()
{
Console.Clear();
ConsoleOutput.PutInitText();
Console.WriteLine("Zadanie 3 - 2b");
Console.WriteLine();
Console.Write("Podaj ciąg znaków do odszyfrowania: ");
var plaintext = Console.ReadLine();
Console.Write("Podaj klucz: ");
var keyInput = Console.ReadLine();
// DECRYPT
List <int> key = new List <int>();
string wordKey = keyInput;
string wordEncrypted = plaintext;
int[] keyTable = new int[wordKey.Length];
List <char> alpbabetList = new List <char>();
for (int i = 65; i < 91; i++)
{
alpbabetList.Add((char)i);
}
int keyTableCounter = 1;
foreach (char c in alpbabetList)
{
for (int p = 0; p < wordKey.Length; p++)
{
if (wordKey[p] == c)
{
keyTable[p] = keyTableCounter;
keyTableCounter++;
}
}
}
key.Clear();
foreach (int x in keyTable)
{
key.Add(x);
}
key = getKeyInversed(key);
int row = (int)Math.Ceiling((float)wordEncrypted.Length / key.Count);
int col = key.Count;
int[,] matrixHelper = new int[row, col];
char[,] matrixValues = new char[row, col];
initHelperTable(matrixHelper, wordEncrypted.Length);
initValuesTable(matrixValues);
string wordDecryptedFromEncrypted = getDecrypted(matrixHelper, matrixValues, key, wordEncrypted);
Console.WriteLine();
Console.WriteLine(wordDecryptedFromEncrypted);
Console.ReadKey();
}
