Fully updated to reflect the latest trends and technologies, this is the definitive guide to encryption and network security principles, techniques, and effective usage. Renowned author and consultant William Stallings systematically explains encryption concepts and standards; ciphers; symmetric and public key encryption; digital signatures; and much more. Next, Stallings turns to the practice of network security, introducing state-of-the-art applications for authentication, and for email, IP, and Web security. Finally, Stallings reviews the challenges of system security, covering leading attacks and today's best countermeasures. As always, Stallings provides unsurpassed support, including extensive supplements and online resources. For students, instructors, and working professionals alike, this Fourth Edition remains the field's best resource. Book jacket.
