DCing algorithm - Printable Version

Code:

/*

Programmed by Blue Phoenix

Explanations and help by Silva

Latest version: 14 Jan 2009

*/



import java.io.*;

import java.lang.*;



public class ReadIt {    



   public static void main(String args[]) throws IOException {

      int mod;

      char buffer;

      String finalCode = "";

      String plainEncryptionKey = "odBearBecauseHeIsVeryGoodSiuHungIsAGo";

      FileInputStream data = new FileInputStream("template.dat");

      int uselessCheck = 0;

            

      byte[] encr = new byte[plainEncryptionKey.length()];

      for (int i = 0; i < plainEncryptionKey.length(); i++)

         encr[i] = (byte)plainEncryptionKey.charAt(i);

            

      for (int i = data.read(); i != -1; i = data.read()) {

         byte encrSingle;

         if (uselessCheck >= 123) {

            buffer = (char)i;

            mod = (uselessCheck-123) % plainEncryptionKey.length();

            encrSingle = encr[mod];

            finalCode += decrypt(buffer,mod,(uselessCheck-123),encrSingle);

         }

         uselessCheck++;

      }

            

      // System.out.println(finalCode);

              

      try {

         FileOutputStream fout = new FileOutputStream ("Template.txt");

         new PrintStream(fout).println (finalCode);

         fout.close();

      }

      catch (IOException e) {

         System.err.println ("Unable to write to file");

         System.exit(-1);

      }

     

   }

     

   public static char decrypt(char buffer, int mod, int i, byte encrSingle) {

      byte datDecr;

      char decrChar;

      datDecr = (byte)buffer;

      decrChar = PatchData(i,mod,datDecr,encrSingle);

      return decrChar;

   }

        

   public static char PatchData (int i, int mod, byte datDecr, byte encrSingle){

      char result;      

      datDecr -= encrSingle;

      result = (char)datDecr;

      return result;

   }

       

}

Code:

/*Programmed by Silva

Stolen stuff from Blue Phoenix

Latest version: 14 Jan 2009

*/



   import java.io.*;



    public class ReadFile{

       public static void main(String[] args) throws IOException{

         File f;

         f=new File("template.dat");// file rawr

          

         if(!f.exists()&& f.length()<0)

            System.out.println("The specified file is not exist");

         

         else{

            FileInputStream finp=new FileInputStream(f);

            int counta = 0;

            int countTo123 = 0;

            byte b;

            byte d;

            do{

               countTo123++;

               b=(byte)finp.read();

               if (countTo123 > 123)

               {

               

                  d = DecryptByte(counta,b);

                  counta++;

                  if (counta > 36){

                     counta = 0;

                  }

                  System.out.print((char)d);

               }

            }

            while(b!=-1);

            finp.close();

         }

      }

      

       public static byte DecryptByte(int counta,byte b){

         String plainEncryptionKey = "odBearBecauseHeIsVeryGoodSiuHungIsAGo";

         b -= (byte)plainEncryptionKey.charAt(counta);

         return b;

      }

   }