This textbook describes the main techniques and features of contemporary cryptography, but does so using secondary school mathematics so that the concepts discu

For every opportunity presented by the information age, there is an opening to invade the privacy and threaten the security of the nation, U.S. businesses, and

For every opportunity presented by the information age, there is an opening to invade the privacy and threaten the security of the nation, U.S. businesses, and

Cryptography is essential for information security and electronic commerce, yet it can also be abused by criminals to thwart police wiretaps and computer search