js-sha1

js-sha1

A simple SHA1 hash function for JavaScript supports UTF-8 encoding.

Demo

SHA1 Online

Download

Compress
Uncompress

Installation

You can also install js-sha1 by using Bower.

bower install js-sha1

For node.js, you can use this command to install:

npm install js-sha1

Usage

You could use like this:

sha1('Message to hash');

If you use node.js, you should require the module first:

sha1 = require('js-sha1');

Example

Code

sha1('');
sha1('The quick brown fox jumps over the lazy dog');
sha1('The quick brown fox jumps over the lazy dog.');

Output

da39a3ee5e6b4b0d3255bfef95601890afd80709
2fd4e1c67a2d28fced849ee1bb76e7391b93eb12
408d94384216f890ff7a0c3528e8bed1e0b01621

It also supports UTF-8 encoding:

Code

sha1('中文');

Output

7be2d2d20c106eee0836c9bc2b939890a78e8fb3

It also supports byte Array, Uint8Array, ArrayBuffer input:

Code

sha1([]);
sha1(new Uint8Array([]));

Output

da39a3ee5e6b4b0d3255bfef95601890afd80709
da39a3ee5e6b4b0d3255bfef95601890afd80709

Benchmark

UTF8
ASCII

Extensions

jQuery

If you prefer jQuery style, you can add following code to add a jQuery extension.

Code

jQuery.sha1 = sha1;

And then you could use like this:

$.sha1('message');

Prototype

If you prefer prototype style, you can add following code to add a prototype extension.

Code

String.prototype.sha1 = function() {
  return sha1(this);
};

And then you could use like this:

'message'.sha1();

License

The project is released under the MIT license.

Contact

The project's website is located at https://github.com/emn178/js-sha1
Author: emn178@gmail.com