Theory and Practice of Cryptography

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Google Tech Talks
November, 28 2007

Topics include: Introduction to Modern Cryptography, Using Cryptography in Practice and at Google, Proofs of Security and Security Definitions and A Special Topic in Cryptography

This talk is one in a series hosted by Google University: Wednesdays, 11/28/07 - 12/19/07 from 1-2pm

Speaker: Steve Weis
Steve Weis received his PhD from the Cryptography and Information Security group at MIT, where he was advised by Ron Rivest. He is a member of Google's Applied Security (AppSec) team and is the technical lead for Google's internal cryptographic library, KeyMaster.

Channel: People & Blogs
Uploaded: November 30, 2007 at 4:07 am
Author: googletechtalks

Length: 00:54:05
Rating: 4.94
Views: 13647

Tags: google techtalks techtalk engedu talk talks googletechtalks education

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Video Comments:
gnamp (October 9, 2008 at 2:53 pm)
I think I've managed to decypher the way this man talks- He just uses a load of redundant 'G' sounds and he simply substitutes many of his 'Ts' for 'Gs'-:-

00:30 "thanks for legging me know, I'm the director of google universigy and I'd like welcome you to wong of the first...

agmingistragive = administrative. I think.
jonboy700 (October 1, 2008 at 12:51 pm)
Had a good beat, one can dance to it....
Drahcir14 (June 29, 2008 at 5:27 am)
Very interesting stuff! I was inspired to watch this as I am reading Digital Fortress by Dan Brown.
TheMexicanLoser (June 3, 2008 at 1:02 pm)
can someone break this down for me?.. what exactly are they talking about?
lithiumdeuteride (September 29, 2008 at 7:29 pm)
Cryptography.
nfest8 (March 13, 2008 at 7:50 am)
Fun stuff! WW2 cryptography, esp. is fun stuff to learn about. I believe "the bombe" was the mechanical device used to crack "the Enigma". Also, it's interesting to learn about "JN-25",particularly, because it was decoded using only pen and paper. The Enigma, on the other hand, utilized an electro-mechanical device. Anyway, I really enjoy listening to the wide variety of lectures provided by Google. Keep up the great work!
PoWerExcesS (February 15, 2008 at 8:25 am)
Great lecture. I read a few thing about cryptography and this lecture mentions many of them, in a very easy to understand way.
Thanks for posting.
Btw could someone tell me wich universities have worth-doing post-studies programmes on cryptography?
ranlr (December 27, 2007 at 4:04 am)
when will gmail inherently support SMIME (not through 3rd party apps)?
StephenWeis (January 2, 2008 at 2:34 am)
I don't think S/MIME is well suited for web-based clients. You generally don't want your private keys to live on a remote server, so would want to store them locally.

Regardless, it is possible to support S/MIME in a web-based client with JavaScript and something like Google Gears for key storage. But, I think you'd be better off just using a S/MIME compatible email client with Gmail IMAP/POP access.
StephenWeis (December 23, 2007 at 12:30 am)
Hi. I plan to post the slides soon. They are internal-only Google Docs for now. I will export them all to my personal web page when I get a chance.