public   static   int  bytesToInt( byte [] bytes,  int  offset) {
         return  (bytes[offset +  3 ] <<  24  & 0xFF000000)   +
               (bytes[offset +  2 ] <<  16  & 0xFF0000)     +
               (bytes[offset +  1 ] <<  8   & 0xFF00)       +
               (bytes[offset]           & 0xFF);
    }

     public   static   int  bytesToInt( byte [] bytes) {
         return  bytesToInt(bytes,  0 );
    }

     public   static   byte [] intToBytes( int  value,  int  offset) {
         byte [] out =  new   byte [offset +  4 ];

        out[offset +  3 ] = ( byte )(value >>>  24 );
        out[offset +  2 ] = ( byte )(value >>>  16 );
        out[offset +  1 ] = ( byte )(value >>>  8 );
        out[offset]      = ( byte ) value;

         return  out;
    }

     public   static   byte [] intToBytes( int  value) {
         return  intToBytes(value,  0 );
    }