/*Author Pardayev * Sharofiddin Toshpo'latovich * Good Luck every righteously * boy and girl who enjoys from * DEVELOPING, CODING AND CHALLENGING!!!*/ //import java.util.Scanner; public class CyberCubeWithoutVisualisation { private static final int VERTIX_COUNT = 8; public static void main(String[] args) { System.out.println("WELLCOME to SOLOLEARN CyberCub App:"); //Scanner input = new Scanner(System.in); for User input case uncomment this String word = "I love coding and SoloLearn"; //args[0]; or input.nextLine(); //use in default args and user input String rawKey = "0:U:U:R:L,1:U,2:D:R,3:U:R"; String keys[] = rawKey.split(",");//args[1].split(","); or input.nextLine().split(","); while( word.length() % VERTIX_COUNT != 0 ) { word += " "; } System.out.printf("Text for testing process is : \"%s\"%n", word); System.out.printf("Key for encrytion and decryption is \"%s\"%n", rawKey); System.out.println("Start..."); String [] splittedWord = new String[word.length() / VERTIX_COUNT]; if(keys.length != splittedWord.length){ System.out.println("ERROR KEYS COUNT DON'T MATCH LENGTH OF WORD!!!"); System.exit(0); } System.out.printf("Splitting text in %d pieces%n", splittedWord.length); for (int i = 0; i < splittedWord.length; i++) { splittedWord[i] = word.substring(i*VERTIX_COUNT, (i+1)*VERTIX_COUNT); System.out.printf("%d - piece of text is \"%s\"%n",i+1,splittedWord[i]); } System.out.println("ENCRYPTION..."); for(int i = 0; i = 1; j--) { System.out.printf("Decryption of \"%s\" in %n\"%s\" direction\n",splittedWord[textIndex], key[j]); splittedWord[textIndex] = decipher(splittedWord[textIndex], key[j]); System.out.printf("Decrypted text: \"%s\"%n",splittedWord[textIndex]); } } System.out.println("WHOLE TEXT AFTER FULL DECRYPTION: "); for (int i = 0; i < splittedWord.length; i++) { System.out.print(splittedWord[i]); } System.out.println(); System.out.println("THE END of DECRYPTION."); System.out.println("<><><><><><><><><><><><>\n"); System.out.println("Thanks everyone runned this code,\n" + "for any suggestions contact me via email" + ":\npardayev.sharofiddin@gmail.com\n" + "don't forget to upvote, if you like this! :-)"); } private static String encipher(String text, String key) { StringBuilder[] parts = new StringBuilder[2]; for (int i = 0; i < parts.length; i++) { parts[i] = new StringBuilder(); } StringBuilder encryptedText = new StringBuilder(); switch(key) { case "U": case "D": parts[0] .append(text.charAt(0)+"") .append(text.charAt(1)+"") .append(text.charAt(5)+"") .append(text.charAt(4)+""); ; parts[1] .append(text.charAt(3)+"") .append(text.charAt(2)+"") .append(text.charAt(6)+"") .append(text.charAt(7)+""); ; for (int i = 0; i < parts.length; i++) { parts[i] = key.equals("U")?rotate(parts[i]):derotate(parts[i]); } encryptedText.append(parts[0].substring(0, 2)) .append(parts[1].charAt(1)+"") .append(parts[1].charAt(0)+"") .append(parts[0].charAt(3)+"") .append(parts[0].charAt(2)+"") .append(parts[1].substring(2, 4)) ; break; case "R": case "L": parts[0].append(text.charAt(0)+"") .append(text.charAt(4)+"") .append(text.charAt(7)+"") .append(text.charAt(3)+""); ; parts[1].append(text.charAt(1)+"") .append(text.charAt(5)+"") .append(text.charAt(6)+"") .append(text.charAt(2)+""); ; for (int i = 0; i < parts.length; i++) { parts[i] = key.equals("R")?derotate(parts[i]):rotate(parts[i]); } for (int i = 0; i < VERTIX_COUNT/4; i++) { encryptedText .append(parts[0].charAt(i)+"") .append(parts[1].charAt(i)+"") .append(parts[1].charAt(VERTIX_COUNT/2 - i-1)+"") .append(parts[0].charAt(VERTIX_COUNT/2 - i-1)+""); } break; default: System.err.println("Invalid Key!!!");; } return encryptedText.toString(); } private static StringBuilder rotate(StringBuilder stringBuilder) { char temp = stringBuilder.charAt(3); return new StringBuilder().append(temp+"") .append(stringBuilder.substring(0,3)); } private static StringBuilder derotate(StringBuilder stringBuilder) { char temp = stringBuilder.charAt(0); return new StringBuilder(stringBuilder.substring(1,4)).append(temp+""); } private static String decipher(String text, String key) { switch (key) { case "U": key = "D"; break; case "D": key = "U"; break; case "R": key = "L"; break; case "L": key = "R"; break; default:System.out.println("INVALID KEY!!!"); break; } return encipher(text, key); } }

CyberCubWithoutVisualisation