To successfully access iTunes U pages or groups when a user clicks an iTunes U link in your webpage, you must transfer an authorization token over Secure Sockets Layer (SSL) to iTunes U. The authorization token is a string containing a user’s credentials and, optionally, user identity information, as well as a time stamp and digital signature.
To transfer authorization data to iTunes U:
Generate the token data.
Create the digital signature.
Send the authorization token to iTunes U.
© 2011 Apple Inc. All Rights Reserved. (Last updated: 2011-11-03)