Compute Hash

ComputeHash.java

      //Get the hash's bytes
      byte[] bytes = digest.digest();
       
      //This bytes[] has bytes in decimal format;
      //Convert it to hexadecimal format
      StringBuilder sb = new StringBuilder();
      for(int i=0; i< bytes.length ;i++)
      {
        sb.append(Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1));
      }
       
      //return complete hash
       return sb.toString();