Frank Stajano. One User, Many Hats; and, Sometimes, No Hat: Towards a Secure Yet Usable PDA. In Bruce Christianson, Bruno Crispo, James A. Malcolm, Michael Roe, editors, Security Protocols, 12th International Workshop, Cambridge, UK, April 26-28, 2004. Revised Selected Papers. Volume 3957 of Lecture Notes in Computer Science, pages 51-64, Springer, 2004. [doi]
Abstract is missing.