ui库和web端产品库合并版本(还需修复细节)

ui/meta/cdn/pad-zeropadding.js

@@ -0,0 +1,25 @@
+/**
+ * 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
+  }
+}