pax_global_header00006660000000000000000000000064126711740310014514gustar00rootroot0000000000000052 comment=5b2d03d4661236924902a299cc073347c358708d buffer-xor-2.0.1/000077500000000000000000000000001267117403100135735ustar00rootroot00000000000000buffer-xor-2.0.1/.gitignore000066400000000000000000000000151267117403100155570ustar00rootroot00000000000000node_modules buffer-xor-2.0.1/.travis.yml000066400000000000000000000003741267117403100157100ustar00rootroot00000000000000sudo: false os: linux language: node_js node_js: - "0.10" - "0.11" - "0.12" - "iojs" - "4" - "5" env: matrix: - TEST_SUITE=unit matrix: include: - node_js: "4" env: TEST_SUITE=standard script: "npm run-script $TEST_SUITE" buffer-xor-2.0.1/LICENSE000066400000000000000000000020711267117403100146000ustar00rootroot00000000000000The MIT License (MIT) Copyright (c) 2015 Daniel Cousens Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. buffer-xor-2.0.1/README.md000066400000000000000000000021531267117403100150530ustar00rootroot00000000000000# buffer-xor [![NPM Package](https://img.shields.io/npm/v/buffer-xor.svg?style=flat-square)](https://www.npmjs.org/package/buffer-xor) [![Build Status](https://img.shields.io/travis/cryptocoinjs/buffer-xor.svg?branch=master&style=flat-square)](https://travis-ci.org/cryptocoinjs/buffer-xor) [![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard) A simple module for bitwise-xor on buffers. ## Examples ``` javascript var xor = require("buffer-xor") var a = new Buffer('00ff0f', 'hex') var b = new Buffer('f0f0', 'hex') console.log(xor(a, b)) // => ``` Or for those seeking those few extra cycles, perform the operation in place with `xorInplace`: _NOTE: `xorInplace` won't xor past the bounds of the buffer it mutates so make sure it is long enough!_ ``` javascript var xorInplace = require("buffer-xor/inplace") var a = new Buffer('00ff0f', 'hex') var b = new Buffer('f0f0', 'hex') console.log(xorInplace(a, b)) // => // See that a has been mutated console.log(a) // => ``` ## License [MIT](LICENSE) buffer-xor-2.0.1/index.js000066400000000000000000000003161267117403100152400ustar00rootroot00000000000000module.exports = function xor (a, b) { var length = Math.max(a.length, b.length) var buffer = new Buffer(length) for (var i = 0; i < length; ++i) { buffer[i] = a[i] ^ b[i] } return buffer } buffer-xor-2.0.1/inplace.js000066400000000000000000000002511267117403100155420ustar00rootroot00000000000000module.exports = function xorInplace (a, b) { var length = Math.min(a.length, b.length) for (var i = 0; i < length; ++i) { a[i] = a[i] ^ b[i] } return a } buffer-xor-2.0.1/package.json000066400000000000000000000015151267117403100160630ustar00rootroot00000000000000{ "name": "buffer-xor", "version": "2.0.1", "description": "A simple module for bitwise-xor on buffers", "files": [ "index.js", "inplace.js" ], "main": "index.js", "scripts": { "standard": "standard", "test": "npm run standard && npm run unit", "unit": "tape test/*.js" }, "repository": { "type": "git", "url": "https://github.com/crypto-browserify/buffer-xor.git" }, "bugs": { "url": "https://github.com/crypto-browserify/buffer-xor/issues" }, "homepage": "https://github.com/crypto-browserify/buffer-xor", "keywords": [ "bits", "bitwise", "buffer", "buffer-xor", "crypto", "inline", "math", "memory", "performance", "xor" ], "author": "Daniel Cousens", "license": "MIT", "devDependencies": { "standard": "*", "tape": "*" } } buffer-xor-2.0.1/test/000077500000000000000000000000001267117403100145525ustar00rootroot00000000000000buffer-xor-2.0.1/test/fixtures.json000066400000000000000000000005111267117403100173130ustar00rootroot00000000000000[ { "a": "000f", "b": "f0ff", "expected": "f0f0" }, { "a": "000f0f", "b": "f0ff", "mutated": "f0f00f", "expected": "f0f00f" }, { "a": "000f", "b": "f0ffff", "mutated": "f0f0", "expected": "f0f0ff" }, { "a": "000000", "b": "000000", "expected": "000000" } ] buffer-xor-2.0.1/test/index.js000066400000000000000000000020401267117403100162130ustar00rootroot00000000000000var tape = require('tape') var xor = require('../') var xorInplace = require('../inplace') var fixtures = require('./fixtures') tape.test('xor', function (t) { fixtures.forEach(function (f) { t.test('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function (t) { var a = new Buffer(f.a, 'hex') var b = new Buffer(f.b, 'hex') var actual = xor(a, b) t.same(actual.toString('hex'), f.expected) // a/b unchanged t.same(a.toString('hex'), f.a) t.same(b.toString('hex'), f.b) t.end() }) }) t.end() }) tape.test('xor/inplace', function (t) { fixtures.forEach(function (f) { t.test('returns ' + f.expected + ' for ' + f.a + '/' + f.b, function (t) { var a = new Buffer(f.a, 'hex') var b = new Buffer(f.b, 'hex') var actual = xorInplace(a, b) t.same(actual.toString('hex'), a.toString('hex')) // a mutated, b unchanged t.same(a.toString('hex'), f.mutated || f.expected) t.same(b.toString('hex'), f.b) t.end() }) }) t.end() })