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diff --git a/school/node_modules/node-forge/js/cipher.js b/school/node_modules/node-forge/js/cipher.js
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-/**
- * Cipher base API.
- *
- * @author Dave Longley
- *
- * Copyright (c) 2010-2014 Digital Bazaar, Inc.
- */
-(function() {
-/* ########## Begin module implementation ########## */
-function initModule(forge) {
-
-forge.cipher = forge.cipher || {};
-
-// registered algorithms
-forge.cipher.algorithms = forge.cipher.algorithms || {};
-
-/**
- * Creates a cipher object that can be used to encrypt data using the given
- * algorithm and key. The algorithm may be provided as a string value for a
- * previously registered algorithm or it may be given as a cipher algorithm
- * API object.
- *
- * @param algorithm the algorithm to use, either a string or an algorithm API
- * object.
- * @param key the key to use, as a binary-encoded string of bytes or a
- * byte buffer.
- *
- * @return the cipher.
- */
-forge.cipher.createCipher = function(algorithm, key) {
- var api = algorithm;
- if(typeof api === 'string') {
- api = forge.cipher.getAlgorithm(api);
- if(api) {
- api = api();
- }
- }
- if(!api) {
- throw new Error('Unsupported algorithm: ' + algorithm);
- }
-
- // assume block cipher
- return new forge.cipher.BlockCipher({
- algorithm: api,
- key: key,
- decrypt: false
- });
-};
-
-/**
- * Creates a decipher object that can be used to decrypt data using the given
- * algorithm and key. The algorithm may be provided as a string value for a
- * previously registered algorithm or it may be given as a cipher algorithm
- * API object.
- *
- * @param algorithm the algorithm to use, either a string or an algorithm API
- * object.
- * @param key the key to use, as a binary-encoded string of bytes or a
- * byte buffer.
- *
- * @return the cipher.
- */
-forge.cipher.createDecipher = function(algorithm, key) {
- var api = algorithm;
- if(typeof api === 'string') {
- api = forge.cipher.getAlgorithm(api);
- if(api) {
- api = api();
- }
- }
- if(!api) {
- throw new Error('Unsupported algorithm: ' + algorithm);
- }
-
- // assume block cipher
- return new forge.cipher.BlockCipher({
- algorithm: api,
- key: key,
- decrypt: true
- });
-};
-
-/**
- * Registers an algorithm by name. If the name was already registered, the
- * algorithm API object will be overwritten.
- *
- * @param name the name of the algorithm.
- * @param algorithm the algorithm API object.
- */
-forge.cipher.registerAlgorithm = function(name, algorithm) {
- name = name.toUpperCase();
- forge.cipher.algorithms[name] = algorithm;
-};
-
-/**
- * Gets a registered algorithm by name.
- *
- * @param name the name of the algorithm.
- *
- * @return the algorithm, if found, null if not.
- */
-forge.cipher.getAlgorithm = function(name) {
- name = name.toUpperCase();
- if(name in forge.cipher.algorithms) {
- return forge.cipher.algorithms[name];
- }
- return null;
-};
-
-var BlockCipher = forge.cipher.BlockCipher = function(options) {
- this.algorithm = options.algorithm;
- this.mode = this.algorithm.mode;
- this.blockSize = this.mode.blockSize;
- this._finish = false;
- this._input = null;
- this.output = null;
- this._op = options.decrypt ? this.mode.decrypt : this.mode.encrypt;
- this._decrypt = options.decrypt;
- this.algorithm.initialize(options);
-};
-
-/**
- * Starts or restarts the encryption or decryption process, whichever
- * was previously configured.
- *
- * For non-GCM mode, the IV may be a binary-encoded string of bytes, an array
- * of bytes, a byte buffer, or an array of 32-bit integers. If the IV is in
- * bytes, then it must be Nb (16) bytes in length. If the IV is given in as
- * 32-bit integers, then it must be 4 integers long.
- *
- * Note: an IV is not required or used in ECB mode.
- *
- * For GCM-mode, the IV must be given as a binary-encoded string of bytes or
- * a byte buffer. The number of bytes should be 12 (96 bits) as recommended
- * by NIST SP-800-38D but another length may be given.
- *
- * @param options the options to use:
- * iv the initialization vector to use as a binary-encoded string of
- * bytes, null to reuse the last ciphered block from a previous
- * update() (this "residue" method is for legacy support only).
- * additionalData additional authentication data as a binary-encoded
- * string of bytes, for 'GCM' mode, (default: none).
- * tagLength desired length of authentication tag, in bits, for
- * 'GCM' mode (0-128, default: 128).
- * tag the authentication tag to check if decrypting, as a
- * binary-encoded string of bytes.
- * output the output the buffer to write to, null to create one.
- */
-BlockCipher.prototype.start = function(options) {
- options = options || {};
- var opts = {};
- for(var key in options) {
- opts[key] = options[key];
- }
- opts.decrypt = this._decrypt;
- this._finish = false;
- this._input = forge.util.createBuffer();
- this.output = options.output || forge.util.createBuffer();
- this.mode.start(opts);
-};
-
-/**
- * Updates the next block according to the cipher mode.
- *
- * @param input the buffer to read from.
- */
-BlockCipher.prototype.update = function(input) {
- if(input) {
- // input given, so empty it into the input buffer
- this._input.putBuffer(input);
- }
-
- // do cipher operation until it needs more input and not finished
- while(!this._op.call(this.mode, this._input, this.output, this._finish) &&
- !this._finish) {}
-
- // free consumed memory from input buffer
- this._input.compact();
-};
-
-/**
- * Finishes encrypting or decrypting.
- *
- * @param pad a padding function to use in CBC mode, null for default,
- * signature(blockSize, buffer, decrypt).
- *
- * @return true if successful, false on error.
- */
-BlockCipher.prototype.finish = function(pad) {
- // backwards-compatibility w/deprecated padding API
- // Note: will overwrite padding functions even after another start() call
- if(pad && (this.mode.name === 'ECB' || this.mode.name === 'CBC')) {
- this.mode.pad = function(input) {
- return pad(this.blockSize, input, false);
- };
- this.mode.unpad = function(output) {
- return pad(this.blockSize, output, true);
- };
- }
-
- // build options for padding and afterFinish functions
- var options = {};
- options.decrypt = this._decrypt;
-
- // get # of bytes that won't fill a block
- options.overflow = this._input.length() % this.blockSize;
-
- if(!this._decrypt && this.mode.pad) {
- if(!this.mode.pad(this._input, options)) {
- return false;
- }
- }
-
- // do final update
- this._finish = true;
- this.update();
-
- if(this._decrypt && this.mode.unpad) {
- if(!this.mode.unpad(this.output, options)) {
- return false;
- }
- }
-
- if(this.mode.afterFinish) {
- if(!this.mode.afterFinish(this.output, options)) {
- return false;
- }
- }
-
- return true;
-};
-
-
-} // end module implementation
-
-/* ########## Begin module wrapper ########## */
-var name = 'cipher';
-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));
-});
-})();
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