This book constitutes the refereed proceedings of the 19th Annual International Cryptology Conference, CRYPTO '99, held in Santa Barbara, California in August 1999. The 38 revised full papers presented were carefully reviewed and selected from a total of 167 submissions. Also included is an invited survey paper. The papers are organized in topical sections on public-key cryptanalysis, secure communication and computation, distributed cryptography, secret-key cryptography, message authentication codes, traitor tracing, differential power analysis, signature schemes, zero knowledge, asymmetric encryption, electronic cash, and protocols and broadcasting.