How to encrypt/decrypt URL parameters in javascript?

Question

Before anyone jumps in and says, \"Oh!! that\'s a bad idea\", I know it is.

I want to keep both the key and value in the query string to be not easily visible to the

Answer 1

If you don't looking for serious strong crypto, you can use ROT13:

http://en.wikipedia.org/wiki/ROT13

This is enough for slightly obfuscate keys/values in the your URLs.

Answer 2

You can use base64. Javascript has native functions to do that :

alert(btoa("category=textile&user=user1")); // ==> Y2F0ZWdvcnk9dGV4dGlsZSZ1c2VyPXVzZXIx

and to reverse it :

alert(atob("Y2F0ZWdvcnk9dGV4dGlsZSZ1c2VyPXVzZXIx")); // ==> category=textile&user=user1

Be careful to read the doc if you have unicode strings, it's a little different : https://developer.mozilla.org/en-US/docs/Web/API/Window.btoa