The 1st International Conference on "Applied Cryptography and Network Se- rity" (ACNS 2003) was sponsored and organized by ICISA (International C- munications and Information Security Association), in cooperation with MiAn Pte. Ltd. and the Kunming government. It was held in Kunming, China in - tober 2003. The conference proceedings was published as Volume 2846 of the Lecture Notes in Computer Science (LNCS) series of Springer-Verlag. The conference...