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{
"author": {
"name": "Brian J. Brennan",
"email": "brianloveswords@gmail.com",
"url": "http://bjb.io"
},
"name": "buffer-crc32",
"description": "A pure javascript CRC32 algorithm that plays nice with binary data",
"version": "0.2.1",
"contributors": [
{
"name": "Vladimir Kuznetsov"
}
],
"homepage": "https://github.com/brianloveswords/buffer-crc32",
"repository": {
"type": "git",
"url": "git://github.com/brianloveswords/buffer-crc32.git"
},
"main": "index.js",
"scripts": {
"test": "./node_modules/.bin/tap tests/*.test.js"
},
"dependencies": {},
"devDependencies": {
"tap": "~0.2.5"
},
"optionalDependencies": {},
"engines": {
"node": "*"
},
"readme": "# buffer-crc32\n\n[](http://travis-ci.org/brianloveswords/buffer-crc32)\n\ncrc32 that works with binary data and fancy character sets, outputs\nbuffer, signed or unsigned data and has tests.\n\nDerived from the sample CRC implementation in the PNG specification: http://www.w3.org/TR/PNG/#D-CRCAppendix\n\n# install\n```\nnpm install buffer-crc32\n```\n\n# example\n```js\nvar crc32 = require('buffer-crc32');\n// works with buffers\nvar buf = Buffer([0x00, 0x73, 0x75, 0x70, 0x20, 0x62, 0x72, 0x6f, 0x00])\ncrc32(buf) // -> <Buffer 94 5a ab 4a>\n\n// has convenience methods for getting signed or unsigned ints\ncrc32.signed(buf) // -> -1805997238\ncrc32.unsigned(buf) // -> 2488970058\n\n// will cast to buffer if given a string, so you can\n// directly use foreign characters safely\ncrc32('自動販売機') // -> <Buffer cb 03 1a c5>\n\n// and works in append mode too\nvar partialCrc = crc32('hey');\nvar partialCrc = crc32(' ', partialCrc);\nvar partialCrc = crc32('sup', partialCrc);\nvar partialCrc = crc32(' ', partialCrc);\nvar finalCrc = crc32('bros', partialCrc); // -> <Buffer 47 fa 55 70>\n```\n\n# tests\nThis was tested against the output of zlib's crc32 method. You can run\nthe tests with`npm test` (requires tap)\n\n# see also\nhttps://github.com/alexgorbatchev/node-crc, `crc.buffer.crc32` also\nsupports buffer inputs and return unsigned ints (thanks @tjholowaychuk).\n\n# license\nMIT/X11\n",
"readmeFilename": "README.md",
"_id": "buffer-crc32@0.2.1",
"dist": {
"shasum": "be3e5382fc02b6d6324956ac1af98aa98b08534c"
},
"_from": "buffer-crc32@~0.2.1",
"_resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.1.tgz"
}
|
