1. A calculus for access control in distributed systems;Abadi,1991
2. A semantics for a logic of authentication;Abadi;Proceedings 10th Annual ACM Symposium on Principles of Distributed Computing,1991
3. A logic of authentication;Burrows;Proc. Roy. Soc. London,1989
4. CCITT Blue Book;Recommendation X.509 and ISO 9594-8: The Directory-Authentication Framework,1989