xtcpanda/security

Security

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package security12; import java.util.*; /** *

• @author STUDENT */ public class Security12 {

  /**

  • @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here Scanner sc = new Scanner (System.in);

    //System.out.println(p); //key matrix declaration String[][] playfair = new String[5][5];

    //the user input and build of the matrix String key = sc.next();

    for (int i = 0; i < key.length(); i++){ for (int j = 0; j < key.length(); j++){ StringBuilder temp = new StringBuilder(); temp.append(key.charAt(i)); playfair[i][j] = temp.toString(); } }

    //completing the matrix for (int i = 0; i < 5; i++){ for(int j = 0; j < 5; j++){ if(playfair[i][j] == null && playfair[i][j].length() > 0){ playfair[i][j] = "a"; } } }

    //printing the matrix for (int i = 0; i < 5; i++){ for(int j = 0; j < 5; j++){ System.out.println(playfair[i][j]); } }

// //splitting the P // ArrayList split = new ArrayList(); //
// //Plain text input // String p = sc.nextLine(); // p = p.toLowerCase(); //
// int count = 0; // for (int j = 0; j < p.length()-1; j++){ // StringBuilder temp = new StringBuilder(); //// if((p.length() % 2 == 1) && (i == p.indexOf(p.charAt(p.length() - 1)))){ //// temp.append(p.charAt(i+1)); //// }else{ ////
//// } // temp.append(p.charAt(j)); // temp.append(p.charAt(j+1)); //
//
// if (count == 2){ // count = 0; // split.add(temp.toString()); // }else{ // count ++; // } //
// } // //
// for(int i = 0; i < split.size(); i++){ // System.out.println(split.get(i)); // } //
//// for(int i = 0; i < 5; i++){ //// for(int j = 0; j < 5; j++){ ////
//// } //// }

}

}