I would explore using the SHare Key feature of this plugin: http://www.spvsoftwareproducts.com/php/wordpress-lti/
Since writing my tutorial we have switched to this plugin. http://www.spvsoftwareproducts.com/php/wordpress-lti/
LTI and Moodle
Wordpress + Moodle LTI Setup and Tutorial
This discussion has been locked so you can no longer reply to it.