The 11th China International Conference on Information Security and Cryptology (INSCRYPT 2015) will be held in Beijing from November 1st to November 3rd, 2015, organized by the State Key Laboratry of Information Security (SKLOIS) of the Institute of Information Engineering of Chinese Academy of Science and the Chinese Association for Cryptologic Research (CACR). Inscrypt 2015 seeks high-quality research contributions in the form of well developed papers. Topics of interest encompass research advances in ALL areas of information security, cryptology, and their applications. The conference proceedings will be published by Springer-Verlag in LNCS series.