1. CS120: Lecture 17 MP Johnson Hunter mpjohnson@gmail.com

2. Agenda Online crypto & AI examples Websites worth knowing: –News –Search –Tools –Reference –Utilities

3. Security examples Get PGP –http://www.pgpi.org/http://www.pgpi.org/ Brute-force attack on RFID for cars: –http://www.rfidanalysis.org/http://www.rfidanalysis.org/ –Only 40bit keys

4. Security examples Now there’s “Google hacking”… inurl:"ViewerFrame?Mode=" intitle:"Live View / - AXIS" | inurl:view/view.sht intitle:"toshiba network camera - User Login" http://200.71.42.48/ViewerFrame?Mode=Motion&Language=0 http://141.211.44.254/view/index.shtml http://66.186.226.189/view/index.shtml

5. AI & Mind: Turing Test Intelligent is as intelligent does We’re persuaded of intelligence by interaction –Conversation, tests Very hard problem: natural language –Conversely, think of “dumb” Imitation game  Turing Test Turing…

6. Eliza transcript H: Men are all alike. E: IN WHAT WAY H: They're always bugging us about something or other. E: CAN YOU THINK OF A SPECIFIC EXAMPLE H: Well, my boyfriend made me come here. E: YOUR BOYFRIEND MADE YOU COME HERE H: He says I'm depressed much of the time. E: I AM SORRY TO HEAR THAT YOU ARE DEPRESSED H: It's true. I am unhappy. E: DO YOU THINK COMING HERE WILL HELP YOU NOT TO BE UNHAPPY H: I need some help, that much seems certain. E: WHAT WOULD IT MEAN TO YOU IF YOU GOT SOME HELP H: Perhaps I could learn to get along with my mother. E: TELL ME MORE ABOUT YOUR FAMILY H: My mother takes care of me. E: WHO ELSE IN YOUR FAMILY TAKES CARE OF YOU H: My father. E: YOUR FATHER H: You are like my father in some ways. E: WHAT RESEMBLANCE DO YOU SEE H: You are not very aggressive but I think you don't want me to notice that. E: WHAT MAKES YOU THINK I AM NOT VERY AGGRESSIVE H: You don't argue with me. E: WHY DO YOU THINK I DON'T ARGUE WITH YOU H: You are afraid of me. E: DOES IT PLEASE YOU TO BELIEVE I AM AFRAID OF YOU H: My father is afraid of everybody. E: WHAT ELSE COMES TO YOUR MIND WHEN YOU THINK OF YOUR FATHER H: Bullies. E: DOES THAT HAVE ANYTHING TO DO WITH THE FACT THAT YOUR BOYFRIEND MADE YOU COME HERE

7. Weizenbaum’s Eliza Conversationalist as little more than a look-up table First: tell me why you came here today Then: –“mother”/”father”/etc  “Tell me more about your family –Some noun  “tell me more about ” –Some noun  “is why you came here today?” –any question  “why do you ask? –“you”  “We were discussing you -- not me” –Otherwise: “go on” –Or: “I’m not sure I understand Very simple (non-intelligent) program –Simple grammar, some memory, but not much more… Real intelligence is general Not intelligent: LUTs, books

8. AI examples Eliza –Java: http://chayden.net/eliza/Eliza.htmlhttp://chayden.net/eliza/Eliza.html –Java: http://www-cse.uta.edu/~cook/ai1/lectures/applets/eliza/eliza.htm http://www-cse.uta.edu/~cook/ai1/lectures/applets/eliza/eliza.htm –PHP: http://www.manifestation.com/neurotoys/eliza.php3 http://www.manifestation.com/neurotoys/eliza.php3 Modern incarnation: AIMbots –http://aimtoday.aol.com/features/main_redesign.adp?fi d=aimbotshttp://aimtoday.aol.com/features/main_redesign.adp?fi d=aimbots –wsj, moviefone, etc.

9. Websites: News/links http://slashdot.org http://digg.com/ http://del.icio.us/ http://aldaily.com Google News: http://news.google.comhttp://news.google.com

10. Utilities Bugmenot: http://bugmenot.com/http://bugmenot.com/ –Firefox extension: http://roachfiend.com/archives/2005/02/07/bugmenot/ http://roachfiend.com/archives/2005/02/07/bugmenot/ TinyUrl: http://tinyurl.com/http://tinyurl.com/ –Firefox extension: page down… Mailinator: http://mailinator.comhttp://mailinator.com

11. Tools Firefox: http://www.mozilla.org/products/firefox/http://www.mozilla.org/products/firefox/ Gmail: http://gmail.comhttp://gmail.com Google Maps: http://maps.google.comhttp://maps.google.com –Mobile: http://www.google.com/gmmhttp://www.google.com/gmm Google subway maps –http://www.onnyturf.com/subwaymap.phphttp://www.onnyturf.com/subwaymap.php –http://nycsubway.eyebeamresearch.orghttp://nycsubway.eyebeamresearch.org Flickr: http://flickr.com/http://flickr.com/ –http://flickr.com/photos/tags/ccny/http://flickr.com/photos/tags/ccny/

12. Reference Dictionaries: http://dictionary.com/http://dictionary.com/ Google define: Google “spell-check”: http://www.google.com/search?hl=en&q=relavent&btnG=Google+Search http://www.google.com/search?hl=en&q=relavent&btnG=Google+Search Usage comparison with Google Wikipedia: http://en.wikipedia.orghttp://en.wikipedia.org –http://en.wikipedia.org/wiki/Turing_Machinehttp://en.wikipedia.org/wiki/Turing_Machine Uncyclopedia: http://uncyclopedia.orghttp://uncyclopedia.org Archive Wayback Machine: http://archive.orghttp://archive.org –http://web.archive.org/web/20001204202200/http://www10.cnn.com/http://web.archive.org/web/20001204202200/http://www10.cnn.com/

13. Search Google: http://www.google.comhttp://www.google.com –Calculator –site:, inurl: –http://labs.google.com/http://labs.google.com/ Mobile maps: http://www.google.com/gmmhttp://www.google.com/gmm SMS: http://www.google.com/sms/http://www.google.com/sms/ –http://www.google.com/sms/howtouse.htmlhttp://www.google.com/sms/howtouse.html Next week: websearch –Listen to clips on class site