info on attribute cert?

Could someone point me to references describing "attribute certificates"?

Greatly Appreciated!
Ned Smith~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Intel Architecture Labs  2111 N.E. 25th Ave.  Hillsboro, OR. 97124     
Ph: 503.264.2692 Fax: x1805  Email: mailto:nsmith@ibeam.intel.com   
http://www.intel.com/ial/security/index.htm
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Received on Tuesday, 22 October 1996 12:19:16 UTC