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 +1,30 @@
+/*
+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
+*/
+/**
+ * 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;
+    }
+};