(SSL). After a brief discussion of some of the ways to secure Hypertext Transfer
Protocol (HTTP) transactions, which are fundamental to the operation of web-
based commerce, the chapter describes how hashing and encryption algorithms
are used in conjunction with keys to detect modification of data or to hide it
completelymthe Message Digest Five (MDS) hashing algorithm is presented as
the simplest example. The chapter concludes with an examination of how
security keys may be securely exchanged across the network so that they may
be used
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