- add crypto-js library(for new hash access method).

[feedblog/feedblog.git] / js / crypto-js / components / pad-iso97971.js

diff --git a/js/crypto-js/components/pad-iso97971.js b/js/crypto-js/components/pad-iso97971.js
new file mode 100644 (file)
index 0000000..a60e231
--- /dev/null
+++ b/js/crypto-js/components/pad-iso97971.js
@@ -0,0 +1,26 @@
+/*
+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
+*/
+/**\r
+ * ISO/IEC 9797-1 Padding Method 2.\r
+ */\r
+CryptoJS.pad.Iso97971 = {\r
+    pad: function (data, blockSize) {\r
+        // Add 0x80 byte\r
+        data.concat(CryptoJS.lib.WordArray.create([0x80000000], 1));\r
+\r
+        // Zero pad the rest\r
+        CryptoJS.pad.ZeroPadding.pad(data, blockSize);\r
+    },\r
+\r
+    unpad: function (data) {\r
+        // Remove zero padding\r
+        CryptoJS.pad.ZeroPadding.unpad(data);\r
+\r
+        // Remove one more byte -- the 0x80 byte\r
+        data.sigBytes--;\r
+    }\r
+};\r