This book constitutes the thoroughly refereed postproceedings of the 8th International Conference on Information Security and Cryptology, ICISC 2005. The 32 revised full papers presented together with two invited talks are organized in topical sections on key management and distributed cryptography, authentication and biometrics, provable security and primitives, system and network security, block ciphers and stream ciphers, efficient implementations, digital rights management, and public key cryptography.