This book constitutes the thoroughly refereed post-conference proceedings of the 18th International Conference on Information Security and Cryptology, ICISC 2015, held in Seoul, South Korea, in November 2015. The 23 revised full papers presented were carefully selected from 84 submissions during two rounds of reviewing and improvement. The papers provide the latest results in research, development and applications in the field of information security and cryptology. They are grouped around the following topics: digital signatures; public-key cryptography; block cipher cryptanalysis; elliptic curve cryptography; protocols; security; side-channel attacks.

This book constitutes revised selected papers from the 20th International Conference on Information Security and Cryptology, ICISC 2017, held in Seoul, South Korea, in November/December 2017. The total of 20 papers presented in this volume were carefully reviewed and selected from 70 submissions. The papers were organized in topical sections named: symmetric key encryption; homomorphic encryption, side channel analysis and implementation; broadcast encryption; elliptic curve; signature and protocol; and network and system security.

This book constitutes revised selected papers from the 19th International Conference on Information Security and Cryptology, ICISC 2016, held in Seoul, South Korea, in November/December 2016. The 18 full papers presented in this volume were carefully reviewed and selected from 69 submissions. There were organized in topical sections named: protocols; lattice cryptography; encryption; implementation and algorithms; signatures and protocol; and analysis.

This book constitutes revised selected papers from the 21st International Conference on Information Security and Cryptology, ICISC 2018, held in Seoul, South Korea, in November 2018. The total of 21 papers presented in this volume were carefully reviewed and selected from 49 submissions. The papers were organized in topical sections named: public-key encryption and implementation; homomorphic encryption; secure multiparty computation; post-quantum cryptography; secret sharing and searchable encryption; storage security and information retrieval; and attacks and software security.

This book constitutes the thoroughly refereed post-proceedings of the 5th International Conference on Information Security and Cryptology, ICISC 2002, held in Seoul, Korea in November 2002. The 35 revised full papers presented together with an invited paper were carefully selected from 142 submissions during two rounds of reviewing and improvement. The papers are organized in topical sections on digital signatures, Internet security, block ciphers and stream ciphers, stream ciphers and other primitives, efficient implementations, side-channel attacks, cryptographic protocols and biometrics.

This book constitutes the thoroughly refereed post-proceedings of the 6th International Conference on Information Security and Cryptology, ICISC 2003, held in Seoul, Korea, in November 2003. The 32 revised full papers presented together with an invited paper were carefully selected from 163 submissions during two rounds of reviewing and improvement. The papers are organized in topical sections on digital signatures, primitives, fast implementations, computer security and mobile security, voting and auction protocols, watermarking, authentication and threshold protocols, and block ciphers and stream ciphers.