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