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* Remove ascii parameter.

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* Improve performance.
* Add test cases.
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emn178
2015-02-03 13:59:16 +08:00
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README.md
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@@ -1,6 +1,6 @@
# js-sha256
[![Build Status](https://api.travis-ci.org/emn178/js-sha256.png?branch=master)](https://travis-ci.org/emn178/js-sha256?branch=master)
[![Build Status](https://coveralls.io/repos/emn178/js-sha256/badge.png?branch=master)](https://coveralls.io/r/emn178/js-sha256?branch=master)
[![Build Status](https://travis-ci.org/emn178/js-sha256.svg?branch=master)](https://travis-ci.org/emn178/js-sha256)
[![Coverage Status](https://coveralls.io/repos/emn178/js-sha256/badge.svg?branch=master)](https://coveralls.io/r/emn178/js-sha256?branch=master)
[![NPM](https://nodei.co/npm/js-sha256.png?stars&downloads)](https://nodei.co/npm/js-sha256/)
A simple SHA-256 / SHA-224 hash function for JavaScript supports UTF-8 encoding.
@@ -37,41 +37,15 @@ sha256 = require('js-sha256').sha256;
sha224 = require('js-sha256').sha224;
```
### Methods
#### sha256(str, asciiOnly)
Hash string to sha256, set asciiOnly to true for better performace if you ensure input is ascii.
##### *str: `String`*
String to hash.
##### *asciiOnly: `Boolean` (default: `false`)*
Specify the string encoding is ASCII.
#### sha224(str, asciiOnly)
Hash string to sha224, set asciiOnly to true for better performace if you ensure input is ascii.
##### *str: `String`*
String to hash.
##### *asciiOnly: `Boolean` (default: `false`)*
Specify the string encoding is ASCII.
## Example
Code
```JavaScript
sha256('');
sha256('The quick brown fox jumps over the lazy dog', true);
sha256('The quick brown fox jumps over the lazy dog.', true);
sha256('The quick brown fox jumps over the lazy dog');
sha256('The quick brown fox jumps over the lazy dog.');
sha224('');
sha224('The quick brown fox jumps over the lazy dog', true);
sha224('The quick brown fox jumps over the lazy dog.', true);
sha224('The quick brown fox jumps over the lazy dog');
sha224('The quick brown fox jumps over the lazy dog.');
```
Output