This book constitutes the refereed proceedings of the 10th International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT 2004, held at Jeju Island, Korea in December 2004.

The 35 revised full papers presented were carefully reviewed and selected from 208 submissions. The papers are organized in topical sections on block ciphers, public key encryption, number theory and applications, secure computation, hash functions, key management, identification, XL algorithms, digital signatures, public key cryptanalysis, symmetric key cryptanalysis, and cryptographic protocols.