Many people do not realise that mathematics provides the foundation for the devices we use to handle information in the modern world. Most of those who do know

This textbook unifies the concepts of information, codes and cryptography as first considered by Shannon in his seminal papers on communication and secrecy syst

This unique book explains the basic issues of classical and modern cryptography, and provides a self contained essential mathematical background in number theor

"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of

Over the last several years, there have been two key shifts in how much emphasis a business places on the information security. Before the broad availability of