Content Login

Normally a user gets login by login box containing user name and user password.
Now this module tries to login an user by providing content url which is
encrypted.
This module is useful when you want to provide demonstration of site to new user
and you do not want them to perform provide user name and password and then
enter into the website for walk thorugh of the site.

By encrypted url of the content user will be able to go to the content and he
will be able to logged into the application without any authentication.

This module accepts content id or node id and generates a encrypted URL which
will logged in test user and direct to content page.

Make sure php_mcrypt extension is enabled.

Please check this stackoverflow thread.