Hi,
The best lead I have found so far is this article:
http://developer.apple.com/documentation/Security/Conceptual/authorization_concepts/index.html#//apple_ref/doc/uid/TP30000995
However, I have not yet used it and cannot tell if it is of any help.
The best lead I have found so far is this article:
http://developer.apple.com/documentation/Security/Conceptual/authorization_concepts/index.html#//apple_ref/doc/uid/TP30000995
However, I have not yet used it and cannot tell if it is of any help.