This book contains a selection of papers submitted to the Workshop on Coding, Cryptography and Combinatorics (CCC 2003). An important feature of the book are invited surveys on key topics. There are also carefully selected contributed papers on many aspects of coding theory, cryptology and combinatorics. The reader will be informed about current research in these very active areas. The book is of interest for postgraduate students and researchers in mathematics, computer science, information theory and electrical engineering.