101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
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/*!
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* deps/forge.js - Forge Package Customization
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*
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* Copyright (c) 2015 Cisco Systems, Inc. See LICENSE file.
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*/
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"use strict";
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var forge = require("node-forge/lib/forge");
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require("node-forge/lib/aes");
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require("node-forge/lib/asn1");
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require("node-forge/lib/cipher");
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require("node-forge/lib/hmac");
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require("node-forge/lib/mgf1");
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require("node-forge/lib/pbkdf2");
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require("node-forge/lib/pem");
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require("node-forge/lib/pkcs1");
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require("node-forge/lib/pkcs7");
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require("node-forge/lib/pki");
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require("node-forge/lib/prime");
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require("node-forge/lib/prng");
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require("node-forge/lib/pss");
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require("node-forge/lib/random");
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require("node-forge/lib/sha1");
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require("node-forge/lib/sha256");
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require("node-forge/lib/sha512");
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require("node-forge/lib/util");
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// Define AES "raw" cipher mode
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function modeRaw(options) {
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options = options || {};
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this.name = "";
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this.cipher = options.cipher;
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this.blockSize = options.blockSize || 16;
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this._blocks = this.blockSize / 4;
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this._inBlock = new Array(this._blocks);
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this._outBlock = new Array(this._blocks);
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}
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modeRaw.prototype.start = function() {};
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modeRaw.prototype.encrypt = function(input, output, finish) {
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if(input.length() < this.blockSize && !(finish && input.length() > 0)) {
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return true;
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}
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var i;
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// get next block
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for(i = 0; i < this._blocks; ++i) {
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this._inBlock[i] = input.getInt32();
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}
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// encrypt block
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this.cipher.encrypt(this._inBlock, this._outBlock);
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// write output
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for(i = 0; i < this._blocks; ++i) {
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output.putInt32(this._outBlock[i]);
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}
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};
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modeRaw.prototype.decrypt = function(input, output, finish) {
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if(input.length() < this.blockSize && !(finish && input.length() > 0)) {
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return true;
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}
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var i;
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// get next block
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for(i = 0; i < this._blocks; ++i) {
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this._inBlock[i] = input.getInt32();
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}
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// decrypt block
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this.cipher.decrypt(this._inBlock, this._outBlock);
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// write output
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for(i = 0; i < this._blocks; ++i) {
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output.putInt32(this._outBlock[i]);
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}
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};
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(function() {
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var name = "AES",
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mode = modeRaw,
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factory;
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factory = function() { return new forge.aes.Algorithm(name, mode); };
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forge.cipher.registerAlgorithm(name, factory);
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})();
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// Ensure that the jsbn modInverse function always returns a positive result
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const originalModInverse = forge.jsbn.BigInteger.prototype.modInverse;
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const positiveModInverse = function(m) {
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const inv = originalModInverse.apply(this, [m]);
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return inv.mod(m);
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}
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forge.jsbn.BigInteger.prototype.modInverse = positiveModInverse;
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module.exports = forge;
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