112 lines
3.5 KiB
Markdown
112 lines
3.5 KiB
Markdown
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# MD5
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[](http://travis-ci.org/pvorb/node-md5) [](http://npm-stat.com/charts.html?package=md5)
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a JavaScript function for hashing messages with MD5.
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node-md5 is being sponsored by the following tool; please help to support us by taking a look and signing up to a free trial
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<a href="https://tracking.gitads.io/?repo=node-md5"><img src="https://images.gitads.io/node-md5" alt="GitAds"/></a>
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## Installation
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You can use this package on the server side as well as the client side.
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### [Node.js](http://nodejs.org/):
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~~~
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npm install md5
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~~~
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## API
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~~~ javascript
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md5(message)
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~~~
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* `message` -- `String`, `Buffer`, `Array` or `Uint8Array`
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* returns `String`
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## Usage
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~~~ javascript
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var md5 = require('md5');
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console.log(md5('message'));
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~~~
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This will print the following
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~~~
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78e731027d8fd50ed642340b7c9a63b3
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~~~
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It supports buffers, too
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~~~ javascript
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var fs = require('fs');
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var md5 = require('md5');
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fs.readFile('example.txt', function(err, buf) {
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console.log(md5(buf));
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});
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~~~
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## Versions
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Before version 2.0.0 there were two packages called md5 on npm, one lowercase,
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one uppercase (the one you're looking at). As of version 2.0.0, all new versions
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of this module will go to lowercase [md5](https://www.npmjs.com/package/md5) on
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npm. To use the correct version, users of this module will have to change their
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code from `require('MD5')` to `require('md5')` if they want to use versions >=
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2.0.0.
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## Bugs and Issues
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If you encounter any bugs or issues, feel free to open an issue at
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[github](https://github.com/pvorb/node-md5/issues).
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## Credits
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This package is based on the work of Jeff Mott, who did a pure JS implementation
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of the MD5 algorithm that was published by Ronald L. Rivest in 1991. I needed a
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npm package of the algorithm, so I used Jeff’s implementation for this package.
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The original implementation can be found in the
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[CryptoJS](http://code.google.com/p/crypto-js/) project.
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## License
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~~~
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Copyright © 2011-2015, Paul Vorbach.
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Copyright © 2009, Jeff Mott.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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* Neither the name Crypto-JS nor the names of its contributors may be used to
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endorse or promote products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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~~~
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