32 lines
565 B
Markdown
32 lines
565 B
Markdown
# scmp
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[](https://travis-ci.org/freewil/scmp)
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Safe, constant-time comparison of strings.
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## Install
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```
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npm install scmp
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```
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## Why?
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To minimize vulnerability against [timing attacks](http://codahale.com/a-lesson-in-timing-attacks/).
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## Examples
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```js
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var scmp = require('scmp');
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var hash = 'e727d1464ae12436e899a726da5b2f11d8381b26';
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var givenHash = 'e727e1b80e448a213b392049888111e1779a52db';
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if (scmp(hash, givenHash)) {
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console.log('good hash');
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} else {
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console.log('bad hash');
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}
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```
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