The following slides introduce electronic and mobile commerce concepts.
 Slide 17.1: The World Wide Web
Slide 17.2: More web terms
Slide 17.3: Internet addressing
Slide 17.4: Internet addressing (cont.)
Slide 17.5: A web architecture
Slide 17.6: The Open Systems Interconnect (OSI) model
Slide 17.7: The TCP/IP model
Slide 17.8: A World Wide Web transaction
Slide 17.9: A World Wide Web transaction (cont.)
Slide 17.10: Public-key cryptography
Slide 17.11: Public-key cryptography (cont.)
Slide 17.12: Public-key cryptography (cont.)
Slide 17.13: A public-key encryption example
Slide 17.14: A public-key encryption example (cont.)
Slide 17.15: Encryption implementation
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