Computer Network Security Protocols

The rapid growth of the Internet and corresponding Internet community has fueled the rapid growth of both individual and business communications leading to the growth of all types of online communication. The direct result of this has been the growing concern and sometimes demand for security and privacy in electronic communication and e-commerce. Security and privacy are essential if individual communication is to continue and e-commerce is to thrive in cyberspaceCybercyberspace. The call for and desire for security and privacy has led to the advent of several proposals for security protocols and standards. Among these are Secure Socket Layer (SSL) and Transport Layer Security (TLS) Protocols, secure IP (IPSec)Internet Protocol Security (IPSec), Secure HTTP (S-HTTP), secure E-mail (PGPPGPpretty good privacy (PGP) andPretty Good Privacy (PGP) S/MIMESecure/Multipurpose Internet Mail Extensions (S/MIME)), DNDSECS/MIMEsecure/multipurpose internet mail extensions (S/MIME), SSH, and others. This chapter focuses on these.