ASIACRYPT 2009, the 15th InternationalConferenceon the TheoryandApp- cationof Cryptologyand InformationSecurity washeld in Tokyo, Japan, during December 6-10, 2009. The conference was sponsored by the International - sociation for Cryptologic Research (IACR) in cooperation with the Technical Group on Information Security (ISEC) of the Institute of Electronics, Infor- tion and Communication Engineers (IEICE). ASIACRYPT 2009 was chaired by Eiji Okamoto and I had the honor of serving as the Program Chair. The conference received 300 submissions from which two papers were wi-...