This detailed volume and accompanying CD-ROM focus on the set electronic transaction (SET) system and review the fundamentals through to practical instruction on how to develop and implement the entire SET system. Topics addressed include: electronic commerce and the various payment and security systems that have led to online credit card commerce; cryptographic extensions utilized by the SET system; and the technical details behind SET, from purchase initiation, through certificate management, to data transport protocols. Actual programming examples and computer code to construct and roll out the SET system are also included. The book should be of interest to business executives as well as engineers.