Update - This is an automated commit

1 files changed, 112 insertions, 0 deletions

diff --git a/school/node_modules/node-forge/js/mgf1.js b/school/node_modules/node-forge/js/mgf1.js
new file mode 100644
index 0000000..82d62cd
--- /dev/null
+++ b/school/node_modules/node-forge/js/mgf1.js
@@ -0,0 +1,112 @@
+/**
+ * Javascript implementation of mask generation function MGF1.
+ *
+ * @author Stefan Siegl
+ * @author Dave Longley
+ *
+ * Copyright (c) 2012 Stefan Siegl <stesie@brokenpipe.de>
+ * Copyright (c) 2014 Digital Bazaar, Inc.
+ */
+(function() {
+/* ########## Begin module implementation ########## */
+function initModule(forge) {
+
+forge.mgf = forge.mgf || {};
+var mgf1 = forge.mgf.mgf1 = forge.mgf1 = forge.mgf1 || {};
+
+/**
+ * Creates a MGF1 mask generation function object.
+ *
+ * @param md the message digest API to use (eg: forge.md.sha1.create()).
+ *
+ * @return a mask generation function object.
+ */
+mgf1.create = function(md) {
+  var mgf = {
+    /**
+     * Generate mask of specified length.
+     *
+     * @param {String} seed The seed for mask generation.
+     * @param maskLen Number of bytes to generate.
+     * @return {String} The generated mask.
+     */
+    generate: function(seed, maskLen) {
+      /* 2. Let T be the empty octet string. */
+      var t = new forge.util.ByteBuffer();
+
+      /* 3. For counter from 0 to ceil(maskLen / hLen), do the following: */
+      var len = Math.ceil(maskLen / md.digestLength);
+      for(var i = 0; i < len; i++) {
+        /* a. Convert counter to an octet string C of length 4 octets */
+        var c = new forge.util.ByteBuffer();
+        c.putInt32(i);
+
+        /* b. Concatenate the hash of the seed mgfSeed and C to the octet
+         * string T: */
+        md.start();
+        md.update(seed + c.getBytes());
+        t.putBuffer(md.digest());
+      }
+
+      /* Output the leading maskLen octets of T as the octet string mask. */
+      t.truncate(t.length() - maskLen);
+      return t.getBytes();
+    }
+  };
+
+  return mgf;
+};
+
+} // end module implementation
+
+/* ########## Begin module wrapper ########## */
+var name = 'mgf1';
+if(typeof define !== 'function') {
+  // NodeJS -> AMD
+  if(typeof module === 'object' && module.exports) {
+    var nodeJS = true;
+    define = function(ids, factory) {
+      factory(require, module);
+    };
+  } else {
+    // <script>
+    if(typeof forge === 'undefined') {
+      forge = {};
+    }
+    return initModule(forge);
+  }
+}
+// AMD
+var deps;
+var defineFunc = function(require, module) {
+  module.exports = function(forge) {
+    var mods = deps.map(function(dep) {
+      return require(dep);
+    }).concat(initModule);
+    // handle circular dependencies
+    forge = forge || {};
+    forge.defined = forge.defined || {};
+    if(forge.defined[name]) {
+      return forge[name];
+    }
+    forge.defined[name] = true;
+    for(var i = 0; i < mods.length; ++i) {
+      mods[i](forge);
+    }
+    return forge[name];
+  };
+};
+var tmpDefine = define;
+define = function(ids, factory) {
+  deps = (typeof ids === 'string') ? factory.slice(2) : ids.slice(2);
+  if(nodeJS) {
+    delete define;
+    return tmpDefine.apply(null, Array.prototype.slice.call(arguments, 0));
+  }
+  define = tmpDefine;
+  return define.apply(null, Array.prototype.slice.call(arguments, 0));
+};
+define(['require', 'module', './util'], function() {
+  defineFunc.apply(null, Array.prototype.slice.call(arguments, 0));
+});
+})();