From the reviews: "This companion exercise and solution book to A Classical Introduction to Cryptography ... contains a carefully revised version of teaching material used by the authors and given as examinations to advanced level students of the Cryptography and Security Lecture at EPFL from 2000 to mid-2005. This book covers a majority of the subjects that make up today's cryptography ... . Exercises do not require an extensive background in mathematics, since the most important notions are introduced and discussed ... ." (Cryptologia, Vol. 30, 2006)