static private string processString2(string w, string p) { //Input to uppercase string word = w.ToUpper(); string phrase = p.ToUpper(); //Input to array char[] wordArray = word.ToCharArray(); char[] phraseArray = phrase.ToCharArray(); //Defines array length int wordInt = wordArray.Length; int phraseInt = phraseArray.Length; //Initializes variables int x = 0; int y = 0; string encodedPhrase = (""); //Initializes reverse code grid char[][] Grid = CipherGrid.Initialize2(); //2nd encryption starts for (int i = 0; i < phraseInt; i++) { //Picks out character char wordChar = wordArray[x]; char phraseChar = phraseArray[y]; //Sets character to numerical value (0-25) int wordCharInt = wordChar - 65; int phraseCharInt = phraseChar - 65; //Finds character's ecrypted equivalent char encode = Grid[wordCharInt][phraseCharInt]; //Adds encrypted character to output string encodedPhrase += ($"{encode}"); //Repeats code word through phrase to encrypt x++; y++; if (x == wordInt) { x = 0; } } //Returns final phrase to 1st method return(encodedPhrase); }
//2nd level decryption method (goes first) static private string processString2(string w, string p) { //Initial converstions string word = w.ToUpper(); string phrase = p.ToUpper(); char[] wordArray = word.ToCharArray(); char[] phraseArray = phrase.ToCharArray(); int wordInt = wordArray.Length; int phraseInt = phraseArray.Length; //Set needed variables int x = 0; int y = 0; string decodedPhrase = (""); //Initialize reverse code grid char[][] Grid = CipherGrid.Initialize2(); //Finds encrypted character address for (int i = 0; i < phraseInt; i++) { char wordChar = wordArray[x]; char phraseChar = phraseArray[y]; int wordCharInt = wordChar - 65; int phraseCharInt = phraseChar - 65; char decode = Grid[wordCharInt][phraseCharInt]; //Adds character to phrase decodedPhrase += ($"{decode}"); //Repeats code word through encrypted phrase x++; y++; if (x == wordInt) { x = 0; } } //Returns encrypted phrase with program code word decrypted return(decodedPhrase); }