Internet Systems Design:
Technologies for Modern Information Systems

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"640K ought to be enough for anybody." Bill Gates, 1981

"To err is human, but to really mess things up you need a computer"

Section 3

This section is concerned with Client Scripting and with Security.

Class Slides

The slides used in Section 3 are:

Client Scripting SLIDES

Security Overview. Single key and dual key encryption. Authentication. SSL. Server security. Firewalls. Viruses, Trojan Horses, and network worms. SLIDES

JavaScript Examples

Hello World

Square Root Calculator

Age Finder

Further Information

SECURITY

	Some further background on the Enigma encoding machine is here.
	Some background on the Purple/Magic machine and the Battle of Midway is here.
	The RSA cryptosystem
	Review of SSL from Netscape.
	PGP program for "hard" encryption of files and e-mail.
	Here is a link to the "Exploder or how to put nuclear bombs in web pages" (Government Health Warning here).
	Some basic security measures are described here.

Deliverables

At the end of this section, you will be expected to have the following completed:

Homework 3 involving the use of Client Scripting and Encryption Due Date: July 18, 3 p.m. CST
See Readings for some further information on security.