mirror of
https://github.com/Ylianst/MeshCentral.git
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Added RC4/MD4 alternatives for NodeJS v17, #
This commit is contained in:
Ylian Saint-Hilaire
parent
e526e60f72
commit
b77fe3da66
4 changed files with 668 additions and 7 deletions
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@ -273,7 +273,13 @@ function decodeTargetInfo(targetInfoBuf) {
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function bufToArr(b) { var r = []; for (var i = 0; i < b.length; i++) { r.push(b.readUInt8(i)); } return r; } // For unit testing
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function compareArray(a, b) { if (a.length != b.length) return false; for (var i = 0; i < a.length; i++) { if (a[i] != b[i]) return false; } return true; } // For unit testing
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function toUnicode(str) { return Buffer.from(str, 'ucs2'); }
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function md4(str) { return crypto.createHash('md4').update(str).digest(); }
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function md4(buffer) {
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try {
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return crypto.createHash('md4').update(buffer).digest(); // Built in NodeJS MD4, this does not work starting with NodeJS v17
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} catch (ex) {
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return Buffer.from(require('../security/md4').array(buffer.toString('binary'))); // This is the alternative if NodeJS does not support MD4
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}
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}
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function md5(str) { return crypto.createHash('md5').update(str).digest(); }
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function hmac_md5(key, data) { return crypto.createHmac('md5', key).update(data).digest(); }
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function ntowfv2(password, user, domain) { return hmac_md5(md4(toUnicode(password)), toUnicode(user.toUpperCase() + domain)); }
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@ -290,7 +296,20 @@ function compute_response_v2(response_key_nt, response_key_lm, server_challenge,
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return [nt_challenge_response, lm_challenge_response, session_base_key];
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}
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function kx_key_v2(session_base_key, _lm_challenge_response, _server_challenge) { return session_base_key; }
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function rc4k(key, data) { return crypto.createCipheriv('rc4', key, null).update(data); }
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function rc4k(key, data) { return createRC4(key).update(data); }
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function createRC4(key) {
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const obj = {};
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try {
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obj.n = crypto.createCipheriv('rc4', key, null); // Built in NodeJS RC4, this does not work starting with NodeJS v17
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obj.update = function(x) { return obj.n.update(x); }
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} catch (ex) {
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const RC4 = require('../security/rc4'); // This is the alternative if NodeJS does not support RC4
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obj.r = new RC4(key.toString('binary'));
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obj.update = function (x) { return Buffer.from(obj.r.encrypt(x.toString('binary')), 'hex'); }
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}
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return obj;
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}
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function create_negotiate_message() {
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return negotiate_message(
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@ -377,8 +396,8 @@ function build_security_interface(ntlm) {
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obj.verify_key = sign_key(ntlm.exported_session_key, false);
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const client_sealing_key = seal_key(ntlm.exported_session_key, true);
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const server_sealing_key = seal_key(ntlm.exported_session_key, false);
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obj.encrypt = crypto.createCipheriv('rc4', client_sealing_key, null);
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obj.decrypt = crypto.createCipheriv('rc4', server_sealing_key, null);
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obj.encrypt = createRC4(client_sealing_key);
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obj.decrypt = createRC4(server_sealing_key);
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}
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obj.seq_num = 0;
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@ -618,7 +637,6 @@ function read_challenge_message(ntlm, derBuffer) {
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return r;
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}
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function unitTest() {
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console.log('--- Starting RDP NLA Unit Tests');
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@ -669,7 +687,7 @@ function unitTest() {
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console.log(compareArray(bufToArr(r), [64, 125, 160, 17, 144, 165, 62, 226, 22, 125, 128, 31, 103, 141, 55, 40]) ? "seal_key 2 passed." : "seal_key 2 failed.");
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// Test signature function
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var rc4 = crypto.createCipheriv('rc4', Buffer.from("foo"), null);
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var rc4 = createRC4(Buffer.from("foo"));
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r = mac(rc4, Buffer.from("bar"), 0, Buffer.from("data"));
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console.log(compareArray(bufToArr(r), [1, 0, 0, 0, 77, 211, 144, 84, 51, 242, 202, 176, 0, 0, 0, 0]) ? "Signature passed." : "Signature failed.");
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@ -679,7 +697,7 @@ function unitTest() {
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console.log(compareArray(bufToArr(buf), [78, 84, 76, 77, 83, 83, 80, 0, 3, 0, 0, 0, 3, 0, 3, 0, 80, 0, 0, 0, 3, 0, 3, 0, 83, 0, 0, 0, 6, 0, 6, 0, 86, 0, 0, 0, 4, 0, 4, 0, 92, 0, 0, 0, 11, 0, 11, 0, 96, 0, 0, 0, 3, 0, 3, 0, 107, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 102, 111, 111, 102, 111, 111, 100, 111, 109, 97, 105, 110, 117, 115, 101, 114, 119, 111, 114, 107, 115, 116, 97, 116, 105, 111, 110, 102, 111, 111]) ? "Challenge message passed." : "Challenge message failed.");
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// Test RC4
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rc4 = crypto.createCipheriv('rc4', Buffer.from("foo"), null);
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rc4 = createRC4(Buffer.from("foo"));
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r = rc4.update(Buffer.from("bar"));
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console.log(compareArray(bufToArr(r), [201, 67, 159]) ? "RC4 1 passed." : "RC4 1 failed.");
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r = rc4.update(Buffer.from("bar"));
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571
rdp/security/md4.js
Normal file
571
rdp/security/md4.js
Normal file
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@ -0,0 +1,571 @@
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/**
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* [js-md4]{@link https://github.com/emn178/js-md4}
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*
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* @namespace md4
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* @version 0.3.2
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* @author Yi-Cyuan Chen [emn178@gmail.com]
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* @copyright Yi-Cyuan Chen 2015-2027
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* @license MIT
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*/
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/*jslint bitwise: true */
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(function () {
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'use strict';
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var root = typeof window === 'object' ? window : {};
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var NODE_JS = !root.JS_MD4_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
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if (NODE_JS) {
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root = global;
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}
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var COMMON_JS = !root.JS_MD4_NO_COMMON_JS && typeof module === 'object' && module.exports;
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var AMD = typeof define === 'function' && define.amd;
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var ARRAY_BUFFER = !root.JS_MD4_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
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var HEX_CHARS = '0123456789abcdef'.split('');
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var EXTRA = [128, 32768, 8388608, -2147483648];
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var SHIFT = [0, 8, 16, 24];
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var OUTPUT_TYPES = ['hex', 'array', 'digest', 'buffer', 'arrayBuffer'];
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var blocks = [], buffer8;
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if (ARRAY_BUFFER) {
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var buffer = new ArrayBuffer(68);
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buffer8 = new Uint8Array(buffer);
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blocks = new Uint32Array(buffer);
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}
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/**
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* @method hex
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* @memberof md4
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* @description Output hash as hex string
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {String} Hex string
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* @example
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* md4.hex('The quick brown fox jumps over the lazy dog');
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* // equal to
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* md4('The quick brown fox jumps over the lazy dog');
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*/
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/**
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* @method digest
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* @memberof md4
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* @description Output hash as bytes array
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {Array} Bytes array
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* @example
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* md4.digest('The quick brown fox jumps over the lazy dog');
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*/
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/**
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* @method array
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* @memberof md4
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* @description Output hash as bytes array
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {Array} Bytes array
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* @example
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* md4.array('The quick brown fox jumps over the lazy dog');
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*/
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/**
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* @method buffer
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* @memberof md4
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* @description Output hash as ArrayBuffer
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {ArrayBuffer} ArrayBuffer
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* @example
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* md4.buffer('The quick brown fox jumps over the lazy dog');
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*/
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var createOutputMethod = function (outputType) {
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return function(message) {
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return new Md4(true).update(message)[outputType]();
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}
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};
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/**
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* @method create
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* @memberof md4
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* @description Create Md4 object
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* @returns {Md4} MD4 object.
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* @example
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* var hash = md4.create();
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*/
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/**
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* @method update
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* @memberof md4
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* @description Create and update Md4 object
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {Md4} MD4 object.
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* @example
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* var hash = md4.update('The quick brown fox jumps over the lazy dog');
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* // equal to
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* var hash = md4.create();
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* hash.update('The quick brown fox jumps over the lazy dog');
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*/
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var createMethod = function () {
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var method = createOutputMethod('hex');
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method.create = function () {
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return new Md4();
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};
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method.update = function (message) {
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return method.create().update(message);
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};
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for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
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var type = OUTPUT_TYPES[i];
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method[type] = createOutputMethod(type);
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}
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return method;
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};
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var nodeWrap = function (method) {
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var crypto = require('crypto');
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var Buffer = require('buffer').Buffer;
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var nodeMethod = function (message) {
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if (typeof message === 'string') {
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return crypto.createHash('md4').update(message, 'utf8').digest('hex');
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} else if (ARRAY_BUFFER && message instanceof ArrayBuffer) {
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message = new Uint8Array(message);
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} else if (message.length === undefined) {
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return method(message);
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}
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return crypto.createHash('md4').update(new Buffer(message)).digest('hex');
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};
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return nodeMethod;
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};
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/**
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* Md4 class
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* @class Md4
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* @description This is internal class.
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* @see {@link md4.create}
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*/
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function Md4(sharedMemory) {
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if (sharedMemory) {
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blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
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blocks[4] = blocks[5] = blocks[6] = blocks[7] =
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blocks[8] = blocks[9] = blocks[10] = blocks[11] =
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
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this.blocks = blocks;
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this.buffer8 = buffer8;
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} else {
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if (ARRAY_BUFFER) {
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var buffer = new ArrayBuffer(68);
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this.buffer8 = new Uint8Array(buffer);
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this.blocks = new Uint32Array(buffer);
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} else {
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this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
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}
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}
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this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = 0;
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this.finalized = this.hashed = false;
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this.first = true;
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}
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/**
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* @method update
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* @memberof Md4
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* @instance
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* @description Update hash
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* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
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* @returns {Md4} MD4 object.
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* @see {@link md4.update}
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*/
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Md4.prototype.update = function (message) {
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if (this.finalized) {
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return;
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}
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var notString = typeof message !== 'string';
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if (notString && ARRAY_BUFFER && message instanceof ArrayBuffer) {
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message = new Uint8Array(message);
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}
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var code, index = 0, i, length = message.length || 0, blocks = this.blocks;
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var buffer8 = this.buffer8;
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while (index < length) {
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if (this.hashed) {
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this.hashed = false;
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blocks[0] = blocks[16];
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blocks[16] = blocks[1] = blocks[2] = blocks[3] =
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blocks[4] = blocks[5] = blocks[6] = blocks[7] =
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blocks[8] = blocks[9] = blocks[10] = blocks[11] =
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
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}
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if (notString) {
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if (ARRAY_BUFFER) {
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for (i = this.start; index < length && i < 64; ++index) {
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buffer8[i++] = message[index];
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}
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} else {
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for (i = this.start; index < length && i < 64; ++index) {
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blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
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}
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}
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} else {
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if (ARRAY_BUFFER) {
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for (i = this.start; index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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buffer8[i++] = code;
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} else if (code < 0x800) {
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buffer8[i++] = 0xc0 | (code >> 6);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else if (code < 0xd800 || code >= 0xe000) {
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buffer8[i++] = 0xe0 | (code >> 12);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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buffer8[i++] = 0xf0 | (code >> 18);
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buffer8[i++] = 0x80 | ((code >> 12) & 0x3f);
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buffer8[i++] = 0x80 | ((code >> 6) & 0x3f);
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buffer8[i++] = 0x80 | (code & 0x3f);
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}
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}
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} else {
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for (i = this.start; index < length && i < 64; ++index) {
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code = message.charCodeAt(index);
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if (code < 0x80) {
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blocks[i >> 2] |= code << SHIFT[i++ & 3];
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} else if (code < 0x800) {
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blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else if (code < 0xd800 || code >= 0xe000) {
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blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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} else {
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code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
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blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
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blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
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}
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}
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}
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}
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this.lastByteIndex = i;
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this.bytes += i - this.start;
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if (i >= 64) {
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this.start = i - 64;
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this.hash();
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this.hashed = true;
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} else {
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this.start = i;
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}
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}
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return this;
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};
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Md4.prototype.finalize = function () {
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if (this.finalized) {
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return;
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}
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this.finalized = true;
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var blocks = this.blocks, i = this.lastByteIndex;
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blocks[i >> 2] |= EXTRA[i & 3];
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if (i >= 56) {
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if (!this.hashed) {
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this.hash();
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}
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blocks[0] = blocks[16];
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blocks[16] = blocks[1] = blocks[2] = blocks[3] =
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blocks[4] = blocks[5] = blocks[6] = blocks[7] =
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blocks[8] = blocks[9] = blocks[10] = blocks[11] =
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blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
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}
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blocks[14] = this.bytes << 3;
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this.hash();
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};
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Md4.prototype.hash = function () {
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var a, b, c, d, ab, bc, cd, da, blocks = this.blocks;
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if (this.first) {
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a = blocks[0] - 1;
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a = (a << 3) | (a >>> 29);
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d = ((a & 0xefcdab89) | (~a & 0x98badcfe)) + blocks[1] + 271733878;
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d = (d << 7) | (d >>> 25);
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c = ((d & a) | (~d & 0xefcdab89)) + blocks[2] - 1732584194;
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c = (c << 11) | (c >>> 21);
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b = ((c & d) | (~c & a)) + blocks[3] - 271733879;
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b = (b << 19) | (b >>> 13);
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} else {
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a = this.h0;
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b = this.h1;
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c = this.h2;
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d = this.h3;
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a += ((b & c) | (~b & d)) + blocks[0];
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a = (a << 3) | (a >>> 29);
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d += ((a & b) | (~a & c)) + blocks[1];
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d = (d << 7) | (d >>> 25);
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c += ((d & a) | (~d & b)) + blocks[2];
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c = (c << 11) | (c >>> 21);
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b += ((c & d) | (~c & a)) + blocks[3];
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b = (b << 19) | (b >>> 13);
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}
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a += ((b & c) | (~b & d)) + blocks[4];
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a = (a << 3) | (a >>> 29);
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d += ((a & b) | (~a & c)) + blocks[5];
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d = (d << 7) | (d >>> 25);
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c += ((d & a) | (~d & b)) + blocks[6];
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c = (c << 11) | (c >>> 21);
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b += ((c & d) | (~c & a)) + blocks[7];
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b = (b << 19) | (b >>> 13);
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a += ((b & c) | (~b & d)) + blocks[8];
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a = (a << 3) | (a >>> 29);
|
||||
d += ((a & b) | (~a & c)) + blocks[9];
|
||||
d = (d << 7) | (d >>> 25);
|
||||
c += ((d & a) | (~d & b)) + blocks[10];
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += ((c & d) | (~c & a)) + blocks[11];
|
||||
b = (b << 19) | (b >>> 13);
|
||||
a += ((b & c) | (~b & d)) + blocks[12];
|
||||
a = (a << 3) | (a >>> 29);
|
||||
d += ((a & b) | (~a & c)) + blocks[13];
|
||||
d = (d << 7) | (d >>> 25);
|
||||
c += ((d & a) | (~d & b)) + blocks[14];
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += ((c & d) | (~c & a)) + blocks[15];
|
||||
b = (b << 19) | (b >>> 13);
|
||||
|
||||
bc = b & c;
|
||||
a += (bc | (b & d) | (c & d)) + blocks[0] + 1518500249;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
ab = a & b;
|
||||
d += (ab | (a & c) | bc) + blocks[4] + 1518500249;
|
||||
d = (d << 5) | (d >>> 27);
|
||||
da = d & a;
|
||||
c += (da | (d & b) | ab) + blocks[8] + 1518500249;
|
||||
c = (c << 9) | (c >>> 23);
|
||||
cd = c & d;
|
||||
b += (cd | (c & a) | da) + blocks[12] + 1518500249;
|
||||
b = (b << 13) | (b >>> 19);
|
||||
bc = b & c;
|
||||
a += (bc | (b & d) | cd) + blocks[1] + 1518500249;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
ab = a & b;
|
||||
d += (ab | (a & c) | bc) + blocks[5] + 1518500249;
|
||||
d = (d << 5) | (d >>> 27);
|
||||
da = d & a;
|
||||
c += (da | (d & b) | ab) + blocks[9] + 1518500249;
|
||||
c = (c << 9) | (c >>> 23);
|
||||
cd = c & d;
|
||||
b += (cd | (c & a) | da) + blocks[13] + 1518500249;
|
||||
b = (b << 13) | (b >>> 19);
|
||||
bc = b & c;
|
||||
a += (bc | (b & d) | cd) + blocks[2] + 1518500249;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
ab = a & b;
|
||||
d += (ab | (a & c) | bc) + blocks[6] + 1518500249;
|
||||
d = (d << 5) | (d >>> 27);
|
||||
da = d & a;
|
||||
c += (da | (d & b) | ab) + blocks[10] + 1518500249;
|
||||
c = (c << 9) | (c >>> 23);
|
||||
cd = c & d;
|
||||
b += (cd | (c & a) | da) + blocks[14] + 1518500249;
|
||||
b = (b << 13) | (b >>> 19);
|
||||
bc = b & c;
|
||||
a += (bc | (b & d) | cd) + blocks[3] + 1518500249;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
ab = a & b;
|
||||
d += (ab | (a & c) | bc) + blocks[7] + 1518500249;
|
||||
d = (d << 5) | (d >>> 27);
|
||||
da = d & a;
|
||||
c += (da | (d & b) | ab) + blocks[11] + 1518500249;
|
||||
c = (c << 9) | (c >>> 23);
|
||||
b += ((c & d) | (c & a) | da) + blocks[15] + 1518500249;
|
||||
b = (b << 13) | (b >>> 19);
|
||||
|
||||
bc = b ^ c;
|
||||
a += (bc ^ d) + blocks[0] + 1859775393;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
d += (bc ^ a) + blocks[8] + 1859775393;
|
||||
d = (d << 9) | (d >>> 23);
|
||||
da = d ^ a;
|
||||
c += (da ^ b) + blocks[4] + 1859775393;
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += (da ^ c) + blocks[12] + 1859775393;
|
||||
b = (b << 15) | (b >>> 17);
|
||||
bc = b ^ c;
|
||||
a += (bc ^ d) + blocks[2] + 1859775393;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
d += (bc ^ a) + blocks[10] + 1859775393;
|
||||
d = (d << 9) | (d >>> 23);
|
||||
da = d ^ a;
|
||||
c += (da ^ b) + blocks[6] + 1859775393;
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += (da ^ c) + blocks[14] + 1859775393;
|
||||
b = (b << 15) | (b >>> 17);
|
||||
bc = b ^ c;
|
||||
a += (bc ^ d) + blocks[1] + 1859775393;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
d += (bc ^ a) + blocks[9] + 1859775393;
|
||||
d = (d << 9) | (d >>> 23);
|
||||
da = d ^ a;
|
||||
c += (da ^ b) + blocks[5] + 1859775393;
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += (da ^ c) + blocks[13] + 1859775393;
|
||||
b = (b << 15) | (b >>> 17);
|
||||
bc = b ^ c;
|
||||
a += (bc ^ d) + blocks[3] + 1859775393;
|
||||
a = (a << 3) | (a >>> 29);
|
||||
d += (bc ^ a) + blocks[11] + 1859775393;
|
||||
d = (d << 9) | (d >>> 23);
|
||||
da = d ^ a;
|
||||
c += (da ^ b) + blocks[7] + 1859775393;
|
||||
c = (c << 11) | (c >>> 21);
|
||||
b += (da ^ c) + blocks[15] + 1859775393;
|
||||
b = (b << 15) | (b >>> 17);
|
||||
|
||||
if (this.first) {
|
||||
this.h0 = a + 1732584193 << 0;
|
||||
this.h1 = b - 271733879 << 0;
|
||||
this.h2 = c - 1732584194 << 0;
|
||||
this.h3 = d + 271733878 << 0;
|
||||
this.first = false;
|
||||
} else {
|
||||
this.h0 = this.h0 + a << 0;
|
||||
this.h1 = this.h1 + b << 0;
|
||||
this.h2 = this.h2 + c << 0;
|
||||
this.h3 = this.h3 + d << 0;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* @method hex
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as hex string
|
||||
* @returns {String} Hex string
|
||||
* @see {@link md4.hex}
|
||||
* @example
|
||||
* hash.hex();
|
||||
*/
|
||||
Md4.prototype.hex = function () {
|
||||
this.finalize();
|
||||
|
||||
var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
|
||||
|
||||
return HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
|
||||
HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F];
|
||||
};
|
||||
|
||||
/**
|
||||
* @method toString
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as hex string
|
||||
* @returns {String} Hex string
|
||||
* @see {@link md4.hex}
|
||||
* @example
|
||||
* hash.toString();
|
||||
*/
|
||||
Md4.prototype.toString = Md4.prototype.hex;
|
||||
|
||||
/**
|
||||
* @method digest
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as bytes array
|
||||
* @returns {Array} Bytes array
|
||||
* @see {@link md4.digest}
|
||||
* @example
|
||||
* hash.digest();
|
||||
*/
|
||||
Md4.prototype.digest = function() {
|
||||
this.finalize();
|
||||
|
||||
var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3;
|
||||
return [
|
||||
h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 24) & 0xFF,
|
||||
h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 24) & 0xFF,
|
||||
h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 24) & 0xFF,
|
||||
h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 24) & 0xFF
|
||||
];
|
||||
};
|
||||
|
||||
/**
|
||||
* @method array
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as bytes array
|
||||
* @returns {Array} Bytes array
|
||||
* @see {@link md4.array}
|
||||
* @example
|
||||
* hash.array();
|
||||
*/
|
||||
Md4.prototype.array = Md4.prototype.digest;
|
||||
|
||||
/**
|
||||
* @method arrayBuffer
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as ArrayBuffer
|
||||
* @returns {ArrayBuffer} ArrayBuffer
|
||||
* @see {@link md4.arrayBuffer}
|
||||
* @example
|
||||
* hash.arrayBuffer();
|
||||
*/
|
||||
Md4.prototype.arrayBuffer = function() {
|
||||
this.finalize();
|
||||
|
||||
var buffer = new ArrayBuffer(16);
|
||||
var blocks = new Uint32Array(buffer);
|
||||
blocks[0] = this.h0;
|
||||
blocks[1] = this.h1;
|
||||
blocks[2] = this.h2;
|
||||
blocks[3] = this.h3;
|
||||
return buffer;
|
||||
};
|
||||
|
||||
/**
|
||||
* @method buffer
|
||||
* @deprecated This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
|
||||
* @memberof Md4
|
||||
* @instance
|
||||
* @description Output hash as ArrayBuffer
|
||||
* @returns {ArrayBuffer} ArrayBuffer
|
||||
* @see {@link md4.buffer}
|
||||
* @example
|
||||
* hash.buffer();
|
||||
*/
|
||||
Md4.prototype.buffer = Md4.prototype.arrayBuffer;
|
||||
|
||||
var exports = createMethod();
|
||||
|
||||
if (COMMON_JS) {
|
||||
module.exports = exports;
|
||||
} else {
|
||||
/**
|
||||
* @method md4
|
||||
* @description MD4 hash function, export to global in browsers.
|
||||
* @param {String|Array|Uint8Array|ArrayBuffer} message message to hash
|
||||
* @returns {String} md4 hashes
|
||||
* @example
|
||||
* md4(''); // 31d6cfe0d16ae931b73c59d7e0c089c0
|
||||
* md4('The quick brown fox jumps over the lazy dog'); // 1bee69a46ba811185c194762abaeae90
|
||||
* md4('The quick brown fox jumps over the lazy dog.'); // 2812c6c7136898c51f6f6739ad08750e
|
||||
*
|
||||
* // It also supports UTF-8 encoding
|
||||
* md4('中文'); // 223088bf7bd45a16436b15360c5fc5a0
|
||||
*
|
||||
* // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`
|
||||
* md4([]); // 31d6cfe0d16ae931b73c59d7e0c089c0
|
||||
* md4(new Uint8Array([])); // 31d6cfe0d16ae931b73c59d7e0c089c0
|
||||
*/
|
||||
root.md4 = exports;
|
||||
if (AMD) {
|
||||
define(function () {
|
||||
return exports;
|
||||
});
|
||||
}
|
||||
}
|
||||
})();
|
||||
70
rdp/security/rc4.js
Normal file
70
rdp/security/rc4.js
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
|
||||
function RC4(key) {
|
||||
this.privateKey = keySetup(key);
|
||||
this.byteStream = byteStreamGenerator(this.privateKey.slice(0));
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts the text into an array of the characters numeric Unicode values
|
||||
* @param {String} text, the text to convert
|
||||
* @return {Array} the array of Unicode values
|
||||
*/
|
||||
function convert(text) {
|
||||
var codes = [];
|
||||
for (var i = 0, ii = text.length; i < ii; i++) { codes.push(text.charCodeAt(i)); }
|
||||
return codes;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets up the key to use with the byte stream
|
||||
* @param {String} key, The key that you want to use
|
||||
* @return {Array}, the key stream which with be used in the byteStreamGenerator
|
||||
*/
|
||||
function keySetup(key) {
|
||||
var K = [...Array(256).keys()], j = 0, key = convert(key);
|
||||
for (var i = 0, ii = K.length; i < ii; i++) {
|
||||
j = (j + K[i] + key[i % key.length]) % 256;
|
||||
[K[i], K[j]] = [K[j], K[i]];
|
||||
}
|
||||
return K;
|
||||
}
|
||||
|
||||
/**
|
||||
* byteStreamGenerator uses ES6 generators which will be 'XOR-ed' to encrypt and decrypt
|
||||
* @param {Array} K, the array generated from the keySetup
|
||||
* @yield {Integer}, the current value which will be 'XOR-ed' to encrypt or decrypt
|
||||
*/
|
||||
var byteStreamGenerator = function* (K) {
|
||||
var i = 0, j = 0;
|
||||
while (true) {
|
||||
i = (i + 1) % 256;
|
||||
j = (j + K[i]) % 256;
|
||||
[K[i], K[j]] = [K[j], K[i]];
|
||||
yield (K[(K[i] + K[j]) % 256]);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Encrypts the input text
|
||||
* @param {String} input, the text to encrypt
|
||||
* @return {String}, the encrypted text
|
||||
*/
|
||||
RC4.prototype.encrypt = function (input) {
|
||||
var outputText = '';
|
||||
for (var i = 0, ii = input.length; i < ii; i++) { outputText += ('00' + (input.charCodeAt(i) ^ this.byteStream.next().value).toString(16)).substr(-2); }
|
||||
return outputText;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decrypts the input text
|
||||
* @param {String} input, the text to decrypt
|
||||
* @return {String}, the decrypted text (if the same key was used)
|
||||
*/
|
||||
RC4.prototype.decrypt = function (input) {
|
||||
var outputText = '';
|
||||
input = input.match(/[a-z0-9]{2}/gi);
|
||||
for (var i = 0, ii = input.length; i < ii; i++) { outputText += String.fromCharCode((parseInt(input[i], 16) ^ byteStream.next().value)); }
|
||||
return outputText;
|
||||
}
|
||||
|
||||
module.exports = RC4;
|
||||
Loading…
Add table
Add a link
Reference in a new issue