Cryptography and Coding : 8th IMA International Conference Cirencester UK December 17–19 2001 Proceedings This book constitutes the refereed proceedings of the 8th International IMA Conference on Cryptography and Coding held in Cirencester UK in December 2001. The 33 revised full papers presented together with four invited papers were carefully reviewed and selected from numerous submissions. Among the topics covered are mathematical bounds statistical decoding schemes for error correcting codes multifunctional and multiple access communication systems low density parity check codes iterative coding authentication key recovery attacks stream cipher design analysis of ECIES algorithms and lattice bases attacks on IP based protocols