CryptoJS PBKDF2

generating key using pbkdf2

by artjomb

HTML

<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/pbkdf2.js"></script>
<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/components/enc-base64-min.js"></script>
<dl>
    <dt>Password</dt>
    <dd><input type="text" name="password"/></dd>
    <dt>Salt (Base64)</dt>
    <dd id="salt"></dd>
    <dt>Iterations</dt>
    <dd id="iter"></dd>
    <dt>Output size (bits)</dt>
    <dd id="outsize"></dd>
    <dt>Hash-function</dt>
    <dd id="hasher"></dd>
    <dt>Output (Base64)</dt>
    <dd id="out"></dd>
</dl>

<button>Run</button>

JavaScript

$("button").click(function(){
    var password = $("[name='password']").val();

    var iterations = 500;
    var keySize = 256;
    var salt = CryptoJS.lib.WordArray.random(128/8);
    
    $("#salt").html(salt.toString(CryptoJS.enc.Base64));
    $("#iter").html(iterations);
    $("#outsize").html(keySize);
    
    var output = CryptoJS.PBKDF2(password, salt, {
        keySize: keySize/32,
        iterations: iterations
    });
    
    $("#hasher").html("SHA1");
    
    $("#out").html(output.toString(CryptoJS.enc.Base64));
});