removed testing code
[shamirs_secret_web_implementation.git] / src / ScharedSecret.java
diff --git a/src/ScharedSecret.java b/src/ScharedSecret.java
deleted file mode 100644 (file)
index 0dd5fc7..0000000
+++ /dev/null
@@ -1,147 +0,0 @@
-import java.io.IOException;
-import java.sql.Time;
-import java.util.Random;
-
-public class ScharedSecret {
-       static Random rand=new Random();
-       
-       public static int r10(){
-               return rand.nextInt(10);
-       }
-       
-       public static int[] encodeBit(boolean bit){
-               int threshold=22;
-               int dist=3;
-               
-               int low = threshold-dist;
-               int high = threshold+dist;
-               
-               int d1,d2,d3,d4,d5;
-               //System.out.println("\nbit: "+(bit?1:0));              
-                       if (bit){                               
-                               //System.out.println("bounds: ["+threshold+"..."+high+"]");
-                               d1=r10();
-                               while(d1+18<threshold) d1=r10();
-                               //System.out.println("d1 = "+d1);
-                               
-                               d2=r10();
-                               while (d1+d2+9<threshold||d1+d2>high) d2=r10();
-                               //System.out.println("d2 = "+d2);
-                               
-                               d3=r10();
-                               while (d1+d2+d3<threshold||d1+d2+d3>high)d3=r10();
-                               //System.out.println("d3 = "+d3);
-                               
-                               d4=r10();                               
-                               while (d1+d2+d3+d4 > high) d4=r10();
-                               //System.out.println("d4 = "+d4);
-                               
-                               d5=r10();                               
-                               while (d1+d2+d3+d4+d5 > high) d5=r10();
-                               //System.out.println("d5 = "+d5);
-                               
-                               
-                       } else {
-                               //System.out.println("bounds: ["+low+"..."+threshold+"]");
-                               d1=r10();
-                               while(d1+18<low) d1=r10();
-                               //System.out.println("d1 = "+d1);
-                               
-                               d2=r10();
-                               while (d1+d2+9<low) d2=r10();
-                               //System.out.println("d2 = "+d2);
-                               
-                               d3=r10();
-                               while (d1+d2+d3>threshold||d1+d2+d3<low)d3=r10();
-                               //System.out.println("d3 = "+d3);
-                               
-                               d4=r10();                               
-                               while (d1+d2+d3+d4>threshold||d1+d2+d3+d4<low) d4=r10();
-                               //System.out.println("d4 = "+d4);
-                               
-                               d5=r10();                               
-                               while (d1+d2+d3+d4+d5 > threshold||d1+d2+d3+d4+d5<low) d5=r10();
-                               //System.out.println("d5 = "+d5);
-                       }                       
-               
-                       //System.out.println(""+d1+d2+d3+d4+d5+" ("+(d1+d2+d3+d4+d5)+")");
-               int[] result = {d1,d2,d3,d4,d5};
-               return result;
-       }
-       
-       public static String[] encodeChar(char c){
-               String binary = Integer.toBinaryString(c & 0xFF);
-               
-               while (binary.length()<8) binary='0'+binary;
-               System.out.print(binary+" ");
-               String code1="";
-               String code2="";
-               String code3="";
-               String code4="";
-               String code5="";
-               for (int i=0; i<8;i++){
-                       int[] digits = encodeBit(binary.charAt(i)=='1');
-                       int index = rand.nextInt(4);                    
-                       code1+=digits[index];
-                       if (index!=4)digits[index]=digits[4]; // move last digit to position of used digit
-                       
-                       index = rand.nextInt(3);
-                       code2+=digits[index];
-                       if (index!=3)digits[index]=digits[3]; // move last digit to position of used digit
-                       
-                       index = rand.nextInt(2);                        
-                       code3+=digits[index];
-                       if (index!=2)digits[index]=digits[2]; // move last digit to position of used digit
-                       
-                       index = rand.nextInt(1);
-                       code4+=digits[index];
-                       code5+=digits[1-index];
-               }
-               String[] result = {code1,code2,code3,code4,code5};
-               return result;
-       }
-       
-       private static String secret(String[] args){
-               if (args != null && args.length > 0) return args[0];            
-               
-               try {
-                       String secret = "";
-                       System.out.println("Please enter your secret:");
-                       int c;
-                       while ((c = System.in.read()) != 10){
-                               secret+=(char)c;
-                       }
-                       return secret;
-               } catch (IOException e) {
-                       e.printStackTrace();
-                       System.exit(1);                 
-               }
-               return null;
-       }
-       
-       public static void main(String[] args) {
-               String secret = secret(args);
-               String [] codes = { "", "", "", "", "" };
-               System.out.print("  Binary: ");
-               for (int i=0; i<secret.length();i++){
-                       String[] chars = encodeChar(secret.charAt(i));
-                       for (int j = 0; j<5; j++) codes[j] += chars[j]+" ";
-               }
-               System.out.println();
-               
-               for (int j=0; j<5; j++) System.out.println("\nSecret "+j+": "+codes[j]);
-               System.out.print("\nChecksum: ");
-               for (int i=0; i<codes[0].length(); i++){
-                       
-                       if (i%9==8) {
-                               System.out.print(" ");
-                       } else {
-                               System.out.print((codes[0].charAt(i)
-                                                                                                +codes[1].charAt(i)
-                                                                                                +codes[2].charAt(i)
-                                                                                                +codes[3].charAt(i)
-                                                                                                +codes[4].charAt(i))>(240+22)?1:0);
-                       }
-               }
-       }
-}