This book constitutes the refereed proceedings of the 8th International
Conference on Cryptology and Network Security, CANS 2009, held in
Kanazawa, Japan, in December 2009. The 32 revised full papers presented
together with 3 invited talks were carefully reviewed and selected from
109 submissions. The papers are organized in topical sections on
cryptographic protocols and schemes; cryptanalysis; wireless and sensor
security; network security; privacy and anonymity; functional and
searchable encryption; authentication; block cipher design; and
algebraic and number-theoretic schemes.