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Access Control For Mobile Agents

Access Control For Mobile Agents . Sudipta Rakshit University of Central Florida, Spring 2002 . Concepts. Mobile Agent (MA): - Autonomous, executable program that can migrate on its own. Access Control: - Authentication of a request to use a resource and Authorization of the request.

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Access Control For Mobile Agents

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  1. Access Control For Mobile Agents Sudipta Rakshit University of Central Florida, Spring 2002

  2. Concepts • Mobile Agent (MA): - Autonomous, executable program that can migrate on its own. • Access Control: - Authentication of a request to use a resource and Authorization of the request

  3. How it works • The mobile agent visits one or several machines and either performs some task by itself or asks some resident program to perform the task for it (MA).

  4. Problems • Malicious hosts and/or code: - the host may change certain critical portion of the code and/or vice versa

  5. Travel Agent Example Airline 2 Airline 1 MA(3) MA(4) MA(2) Travel Agent Customer Request(1) Result(5)

  6. Objective • Objective: - 1.To design and implement an access control policy for the simple 2-3 servers system above. 2. To provide an access control framework for a more distributed system

  7. References • “Authentication in Distributed Systems: Theory and Practice”, B. Lampson, M. Abadi, M. Burrows, and E. Wobber. ACM Trans. Computer Systems 10, 4 (Nov. 1992), pp265-310. http://delivery.acm.org/10.1145/140000/138874/p265-lampson.pdf?key1=138874&key2=1669592101&coll=portal&dl=ACM&CFID=1545331&CFTOKEN=87451905 • “Authentication for Mobile Agents”, Shimshon Berkovits, Joshua D. Guttman, and Vipin Swarup. LNCS 1419, pp 114-136 http://link.springer.de/link/service/series/0558/papers/1419/14190114.pdf • “Linda in Context”, Nicholas Carriero and David Gelernter. Communications of the ACM April 1989, Volume 32 Issue 4, pp 444-458 http://portal.acm.org/citation.cfm?id=63337&coll=portal&dl=ACM&CFID=1506807&CFTOKEN=43124044 • “Making Tuple Spaces Safe for Heterogeneous Distributed Systems”, N. H. Minsky, Y. M. Minsky and V. Ungureanu, ACM SAC 2000: Special Track on Coordination Models, Languages and Applications, Como, Italy, 19-21 April, 2000, pp. 218-226. http://delivery.acm.org/10.1145/340000/335748/p218-minsky.pdf?key1=335748&key2=5819592101&coll=portal&dl=ACM&CFID=1545331&CFTOKEN=87451905

  8. Pointers to References • 1. "Authentication for Mobile Agents" by Shimshon Berkovits, Joshua Guttman and Vipin Swarum • LNCS vol 1419 pp 114-136 • http://link.springer.de/link/service/series/0558/papers/1419/14190114.pdf • 2. "Making Tuple Spaces Safe for Heterogeneous Distributed Systems" • Naftaly Minsky, Yaron Minsky and Victoria Ungureanu • http://delivery.acm.org/10.1145/340000/335748/p218-minsky.pdf?key1=335748&key2=5819592101&coll=portal&dl=ACM&CFID=1545331&CFTOKEN=87451905 • 3."Linda in Context" by Nicholas Carriero and David Gelernter....I am not providing the pointer to this paper as this one basically deals with how Linda works. • 4. "Authentication in Distributed Systems" Lampson, Abdi, Burrows and Wobber. • http://delivery.acm.org/10.1145/140000/138874/p265-lampson.pdf?key1=138874&key2=1669592101&coll=portal&dl=ACM&CFID=1545331&CFTOKEN=87451905

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