INFS 862, Spring 2004, Assignment 2

Ravi Sandhu

Due 3/18/04 in Class

This is an individual assignment. You are required to solve it on your own using whatever material you like. Please sign and submit the following honor code statement with your solution:

I have not taken any help on this assignment from anyone and not provided any help to anyone. The solution has been entirely worked out by me and represents my individual effort.

Please submit a typed solution with the signed honor code statement. Keep a copy for your records and reference. Any clarification questions regarding the assignment should be emailed to sandhu@gmu.edu. Clarifications will be posted on this page as needed.

1. Discuss (maximum 500 words) whether or not create cycles of length greater than one are of practical use in a TAM-like system.

2. Attempt to formulate a definition of attenuating loops in MTAM (see section 6.6 of the TAM paper). You need to argue why you think this definition will allow the proof of security to go through. (Maximum 500 words)