get cryptojs from bower; rework voice dialog

dashboard-ui/bower_components/cryptojslib/components/pad-iso10126.js

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+/*
+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
+*/
+/**
+ * ISO 10126 padding strategy.
+ */
+CryptoJS.pad.Iso10126 = {
+    pad: function (data, blockSize) {
+        // Shortcut
+        var blockSizeBytes = blockSize * 4;
+
+        // Count padding bytes
+        var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
+
+        // Pad
+        data.concat(CryptoJS.lib.WordArray.random(nPaddingBytes - 1)).
+             concat(CryptoJS.lib.WordArray.create([nPaddingBytes << 24], 1));
+    },
+
+    unpad: function (data) {
+        // Get number of padding bytes from last byte
+        var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
+
+        // Remove padding
+        data.sigBytes -= nPaddingBytes;
+    }
+};