text: /*
  CryptoJS v3.1.2
  code.google.com/p/crypto-js
  (c) 2009-2013 by Jeff Mott. All rights reserved.
  code.google.com/p/crypto-js/wiki/License
  */
  /**
   * Zero padding strategy.
   */
  CryptoJS.pad.ZeroPadding = {
      pad: function (data, blockSize) {
          // Shortcut
          var blockSizeBytes = blockSize * 4;
  
          // Pad
          data.clamp();
          data.sigBytes += blockSizeBytes - ((data.sigBytes % blockSizeBytes) || blockSizeBytes);
      },
  
      unpad: function (data) {
          // Shortcut
          var dataWords = data.words;
  
          // Unpad
          var i = data.sigBytes - 1;
          while (!((dataWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)) {
              i--;
          }
          data.sigBytes = i + 1;
      }
  };
  