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Update README.md to include an example for PBKDF in browser with js-sha256 #115

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Update README.md to include an example for PBKDF in browser with js-sha256 #115

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Update README.md to include an example for PBKDF in browser with js-s…
mohsenasm Jan 6, 2023
182b502
Update README.md to add normalization for the js-sha256 example
mohsenasm Jan 6, 2023
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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -371,6 +371,12 @@ var key_256 = pbkdf2.pbkdf2Sync('password', 'salt', 1, 256 / 8, 'sha512');

Another possibility, is to use a hashing function, such as SHA256 to hash the password, but this method is vulnerable to [Rainbow Attacks](http://en.wikipedia.org/wiki/Rainbow_table), unless you use a [salt](http://en.wikipedia.org/wiki/Salt_(cryptography)).

A simple way to do this in browser is using [js-sha256](https://github.com/emn178/js-sha256) like:

```javascript
var key_256 = sha256.array('salt' + 'password'.normalize('NFKC'));
```

Performance
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