Advances in Cryptology ASIACRYPT 2013 : 19th International Conference on the Theory and Application of Cryptology and Information Security Bengaluru India December 1 5 2013 Proceedings Part I The two volume set LNCS 8269 and 8270 constitutes the refereed proceedings of the 19th International Conference on the Theory and Application of Cryptology and Information Asiacrypt 2013 held in Bengaluru India in December 2013. The 54 revised full papers presented were carefully selected from 269 submissions. They are organized in topical sections named: zero knowledge algebraic cryptography theoretical cryptography protocols symmetric key cryptanalysis symmetric key cryptology: schemes and analysis side channel cryptanalysis message authentication codes signatures cryptography based upon physical assumptions multi party computation cryptographic primitives analysis cryptanalysis and passwords leakage resilient cryptography two party computation hash functions