Incorporate math-random-polyfill.js for better Math.random().

README.md

@@ -122,12 +122,12 @@ The client is built using HTML, CSS, and JavaScript on top of the [React](https:
 
 File | Purpose
 -----|--------
-default.htm <br/> default.js <br/> default.css | PassWeb implementation
+default.htm <br/> default.js <br/> default.css <br/> render.jsx <br/> render.js | PassWeb implementation
 offline.appcache | Offline cache manifest
-react.min.js <br/> react-dom.min.js <br/> lz-string.min.js <br/> aes.js <br/> pbkdf2.js <br/> sha512.js <br/> | External libraries
-favicon.ico <br/> Resources\\\*.png <br/> Resources\\\*.svg <br/> | Image resources
-App_Code\RemoteStorage.cs <br/> Web.config <br/> *App_Data\\PassWeb\\...* | ASP.NET server
-NodeJs\\server.js <br/> NodeJs\\remotestorage.js <br/> NodeJs\\storage-file.js <br/> NodeJs\\storage-blob-azure.js <br/> NodeJs\\package.json <br/> | Node.js server
+react.min.js <br/> react-dom.min.js <br/> lz-string.min.js <br/> aes.js <br/> pbkdf2.js <br/> sha512.js <br/> math-random-polyfill.js | External libraries
+favicon.ico <br/> Resources\\\*.png <br/> Resources\\\*.svg | Image resources
+App_Code\\RemoteStorage.cs <br/> Web.config | ASP.NET server
+NodeJs\\server.js <br/> NodeJs\\remotestorage.js <br/> NodeJs\\storage-file.js <br/> NodeJs\\storage-blob-azure.js <br/> NodeJs\\package.json | Node.js server
 Readme.md | This file
 LICENSE | License
 

default.htm

@@ -19,6 +19,7 @@
     <div id="appContainer"></div>
     <script src="react.min.js"></script>
     <script src="react-dom.min.js"></script>
+    <script src="math-random-polyfill.js"></script>
     <script src="render.js"></script>
     <script src="lz-string.min.js"></script>
     <script src="pbkdf2.js"></script>

math-random-polyfill.js

@@ -0,0 +1,32 @@
+// math-random-polyfill.js
+// https://github.com/DavidAnson/math-random-polyfill
+// 2016-12-03
+
+(function iife () {
+  "use strict";
+  // Feature detection
+  var crypto = window.crypto || window.msCrypto;
+  if (window.Uint32Array && crypto && crypto.getRandomValues) {
+    // Capture functions and values
+    var Math_random = Math.random.bind(Math);
+    var crypto_getRandomValues = crypto.getRandomValues.bind(crypto);
+    var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
+    var highShift = Math.pow(2, 32);
+    var highMask = Math.pow(2, 53 - 32) - 1;
+    // Polyfill Math.random
+    Math.random = function math_random_polyfill () {
+      try {
+        // Get random bits for numerator
+        var array = new Uint32Array(2);
+        crypto_getRandomValues(array);
+        var numerator = ((array[0] & highMask) * highShift) + array[1];
+        // Divide by maximum-value denominator
+        var denominator = MAX_SAFE_INTEGER + 1;
+        return numerator / denominator;
+      } catch (ex) {
+        // Exception in crypto.getRandomValues, fall back to Math.random
+        return Math_random();
+      }
+    };
+  }
+}());

offline.appcache

@@ -1,11 +1,12 @@
 CACHE MANIFEST
-# 2016-11-27
+# 2016-12-05
 aes.js
 default.css
 default.htm
 default.js
 favicon.ico
 lz-string.min.js
+math-random-polyfill.js
 pbkdf2.js
 react.min.js
 react-dom.min.js