Heys, I been trying the following when it comes to encrypt and decrypt data in Tealium. I am keen to see/understand how others are doing it. Here are my steps and actions 1. Create a javascript extension and scope it as "Preloader" and move it at the top so it loads correctly. I named it "Crypto Lib". Copy and paste the whole lib. It should start with the following (Google it and get it from the github. Google Code lib doesn't get updated anymore) /*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/ 2. Now the fun part - Let's assume you are collecting email address via UDO dataLayer variable called "dataLayerEmail" and your goal is to encrypt the email and send it to your analytics vendor. So let's create a new Javascript extension called "Email Key" and paste the following code bit (modify as needed). You could combine it with your preloader extension - but I like to be able to update the "Crypto Lib" at will and I wanted the scope of this javascript extenion "Email Key" to my analytics vendor tag only. Also make sure you set the extension condition e.g. Page URL equals "where your dataLayerEmail" variable will get populated or something similar. var key = CryptoJS.lib.WordArray.create('super-secret-key');
var iv = CryptoJS.lib.WordArray.create('just-a-key');
var email = b['dataLayerEmail'];
var encrypted = CryptoJS.AES.encrypt(email, key, { iv: iv });
b.customer_email = encrypted.toString(); 3. You will also need to create a UDO variable called "customer_email" where the new encrypted data will be and that's the variable you need to map to your analytics vendor tag and follow your regular publish/debug routine. 4. As for decrypt you need to first get the data out of your analytics/marketing vendor provider. Then run decrypt script (see crypto.js help files) and you are good to go. How do you guys do it? Is there any other AES encryption lib I should be using? Crypto.js works but it's not being updated by the maintainer anymore as far as I understand. Thanks.
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