Feng Bao San Ling Tatsuaki Okamoto Huaxiong Wang Chaoping Xing Cryptology and Network Security, 6th International Conference, CANS 2007, Singapore, December 8-10, 2007, Proceedings CANS Lecture Notes in Computer Science 4856 Springer 2007 978-3-540-76968-2 db/conf/cans/cans2007.html