Eduardo Fernández-Medina, Manu Malek, Javier Hernando: SECRYPT 2009, Proceedings of the International Conference on Security and Cryptography, Milan, Italy, July 7-10, 2009, SECRYPT is part of ICETE - The International Joint Conference on e-Business and Telecommunications. INSTICC Press 2009, ISBN 978-989-674-005-4