lti_keys

Purpose: Holds information about the lti keys.

Field	Type	Purpose
id	mediumint(9)	The consumer key this is related to
oauth_consumer_key	varchar(255)	The lti /oauth consumer key
secret	varchar(255)	the rlti/oauth consumer key
name	char(255)	the descriptive name for this key/secret pair
context_id	char(255)	optionally override the lti context with this
deleted	datetime	if this key is deleted and if so when
updated_on	datetime	when it has been updated

ExamSys