wip javascript

2012-07-06 17:39:57 +10:00
parent 136136f6b4
commit 96deb22a31
833 changed files with 74 additions and 63 deletions
@@ -0,0 +1,31 @@
+/*
+CryptoJS v3.0.1
+code.google.com/p/crypto-js
+(c) 2009-2012 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;
+    }
+};