"Overall, this book is a good nontechnical introduction to cryptography. The author covers essential topics, presents the ideas clearly, and provides problems for further explorations and a good bibliography of other sources." --MAA Reviews
About the Author
Prof. Keith Martin is Director of the Information Security Group at Royal Holloway, University of London. An active member of the cryptographic research community, hem also has considerable experience in teaching cryptography to non-mathematical students, including industrial courses and young audiences. Since 2004 he has led the introductory cryptography module on Royal Holloway's pioneering MSc Information Security.