CS 453 - Lecture Notes

• Course Introduction(Powerpoint set "a")
• The Business of E-Commerce (Powerpoint set "b")
• Business Strategies and Models (Powerpoint set "c")

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• Intro. to JavaScript (Powerpoint set "d")
• HTML Forms, JavaScript, CGI Scripts (Powerpoint set "e")
  • js-demo1.html -- example created in class demo'ing simple JavaScript, then with simple form with validation function added.
  • formdemo2.html -- an example showing all types of forms in slides (including those not covered in lecture on Weds.)
  • w3schools JavaScript tutorial is here!
• Cookies, Cascading Style Sheets (Powerpoint set "f")

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• Intro. to Information Security for E-commerce (Powerpoint set "g")
• Cryptography Background (Powerpoint set "h")
• Symmetric Key Cryptography (Powerpoint set "i")
  • Article on recent findings on AES

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  Exam 1 on material up above this!
  Info on Exam 1 is here.

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• Public Key Encryption (Powerpoint set "j")

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• PHP: lecture and demos done in class, so no slides. See virtual labs or PHP tutorials such as the one here at w3schools
• PHP examples done in class are here.
  Note: right-click etc. to download! Left click will execute script.
  • phpdemo1.php : A most basic PHP script
  • cookie1.php : Simple code that sets a cookie
  • cookie2.php : More complex script that reads cookie values, keeps a page-visit-counter using cookies, and removes cookies.
  • processform2.php and form1.html : An example form and a PHP script to process the values it sends to the server.
  • phpglobals.php : A demo to show what all the global variable available may hold.
  • i3.php and handlei3.php : Correct versions (at least one that kind of make sense) from Virtual Labs example on cookies.

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• Web applications and maintaining state: part 1 (Powerpoint set "k")
• Web applications and maintaining state: part 2, DBMS (another Powerpoint set "k")
• Lab activity we did on PHP and MySQL
• Secure Socket Layer (Powerpoint set "l")
  • News story! Wildcard certificate spoofs web authentication.
• Payment Systems (Credit cards etc.) (Powerpoint set "m")
• Web 2.0, Ajax, Ruby on Rails (Powerpoint set "n")
  Web readings:
  • Wikipedia on Web 2.0
  • Ajax: A New Approach to Web Applications, by Jesse James Garrett
  • Building Rich Web Applications with Ajax, by Linda Dailey Paulson. (From IEEE Software. Accessible from machines on the UVa network.)
  • Some tutorials on using JSON to send data from Javascript to PHP: First tutorial. And, a second tutorial (longer, better written, part 2 less relevant).
  Examples:
  • First demo done in class (PHP returns XML).
  • Second demo (PHP returns comma-separated data.
  • Third demo (form completion).
• Business Topics (Powerpoint set "o")
  Web readings:
  • US Small Business Administration on-line "courses"
  • bplans.com
  • Palmer WebMarketing
  • Startup Review
  • WebTrends
  • Google Analytics and Wikipedia article on GA

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  Info on Exam 2 is here.