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The following are presentations that I've given. They are all available under an Attribution-ShareAlike Creative Commons License. This means that you should feel free to reuse the contents of these slides (except on slides noted otherwise), as long as you give me credit for the stuff you use, and as long as you use a similar Creative Commons license if you create a document using my slides and you choose to redistribute it. If you want to use this content under a different license (i.e. without the requirement to share your derivative work), then you need to contact me.

In order to give proper attribution for these slides, please link to my main web page (http://ben.adida.net).

Though nothing in the license requires you to let me know if you've used these slides, I'm always happy to get feedback of all sorts. Feel free to send me email to let me know what you think.

2008

Helios: Web-based Open-Audit Voting

[PDF]
August 19th, 2008 — a talk at the IACR Voting System Session, part of CRYPTO 2008.

Helios: Web-based Open-Audit Voting

[PDF]
August 1st, 2008 — a talk at Usenix Security 2008.

EmID: Web Authentication by Email Address

[PDF]
May 22nd, 2008 — a talk at W2S&P 2008.

The Web Browser as a Platform for Secure Applications

[PDF]
May 14th, 2008 — a talk at Harvard CRCS.

SessionLock: Securing HTTP Sessions from Eavesdroppers

[PDF]
April 24th, 2008 — a talk at WWW2008.

RDFa: Bridging the Human and Data Webs

[HTML]
April 21st, 2008 — a tutorial at WWW2008.

2007

Verifying Elections with Cryptography

[YouTube]
December 19th, 2007 — a talk at Google.

BeamAuth: Two-Factor Web Authentication with a Bookmark

[ PDF | Slideshare ]
October 29th, 2007 — a talk at Computer and Communications and Security (CCS) 2007.

Web (2.0) Security

[ PDF | Quicktime ]
April 18th, 2007 — a lunch seminar at Harvard's Center for Research on Computation and Soceity.

Secrets

[ PDF | Quicktime ]
April 3rd, 2007 — an introduction to Cryptography given at the Boston Latin School.

Beyond the Paper Trail

[ PDF | Quicktime | Flash ]
February 27th, 2007 — a talk at a meeting of the IEEE Society on Social Implications of Technology.

How to Shuffle in Public

[ PDF | Quicktime | Flash ]
February 24th, 2007 — a talk at TCC 2007.

2006

Public Mixing for Open-Audit Elections

[ PDF | Quicktime ]
November 21st, 2006 — a talk at Stanford.

Public Mixing for Open-Audit Elections

[ PDF | Quicktime ]
November 17th, 2006 — a talk at UC Berkeley.

Open-Audit Elections

[ PDF | Quicktime ]
November 16th, 2006 — a Google engEdu Talk.

Open-Audit Elections

[ PDF | Quicktime ]
November 14th, 2006 — a talk at SRI International.

Transparent Elections

[ PDF ]
November 2nd, 2006 — a guest lecture at Wellesley College.

Scratch & Vote: Self-Contained Paper-Based Cryptographic Voting

[ PDF ]
October 30th, 2006 — a presentation at the 2006 Workshop on Privacy in the Electronic Society (WPES).

Secure Voting Protocols

[ PDF ]
September 29th, 2006 — a seminar talk for MIT's Distributed Systems Group.

A Brief History of Secure Voting

[ PDF ]
September 27th, 2006 — a Harvard CRCS luncheon talk.

Privacy in an Always-Online World

[ PDF | Quicktime (slides only) | Video (coming soon) ]
July 13th, 2006 — a talk at the MIT Media Laboratory's Simplicity 2006 Conference.

Verifying a Secret-Ballot Election with Cryptography

[ PDF | Quicktime (slides only) | Video (coming soon) ]
June 22nd, 2006 — MIT PhD Thesis Defense.

RDFa: Bridging the Hypertext and Semantic Webs

[ PDF | TAR GZIP'ed Keynote ]
May 26th, 2006 — a W3C Track talk at WWW2006.

RDFa: Interoperable Web Metadata

[ PDF | TAR GZIP'ed Keynote ]
May 24th, 2006 — a Dev Track talk at WWW2006.

RDFa: Interoperable Web Metadata

[ HTML ]
May 21st, 2006 — a lightning talk at the W3C Advisory Committee Meeting.

Web Security

[ PDF ]
May 9th, 2006 — a lecture in MIT's 6.171 — Software Engineering for Internet Applications

Cryptography II — Some Applications

[ PDF | Quicktime ]
May 3rd, 2006 — a lecture in MIT's 6.976 — Quantitative Foundations of Engineering Systems.

Cryptography I — Basics

[ PDF | Quicktime ]
May 1st, 2006 — a lecture in MIT's 6.976 — Quantitative Foundations of Engineering Systems.

Direct Verification of Elections with Cryptography

[ PDF | Real (Video+Slides) ]
April 10th, 2006 — a lecture in UMass Amherst's CS591d — Applied Cryptography.

Building Interoperable Web Metadata

[ PDF | HTML ]
April 6th, 2006 — a W3C Project Review.

Building Interoperable Metadata

[ PDF ]
March 8th, 2006 — a presentation at the Semantic Technology Conference.

2005

Lightweight Signatures for Email (A Defense against Phishing)

[ PDF | Quicktime ]
December 7th, 2005 — a lecture in MIT's 6.857 — Network and Computer Security course.

Fighting Phishing Attacks — Lightweight Signatures for Email

[ PDF | Quicktime | Powerpoint ]
November 2nd, 2005 — at Harvard's Center for Research on Computation and Society.

Lightweight Encryption for Email

[ PDF | Quicktime ]
July 7th, 2005 — Steps to Reducing Unwanted Traffic on the Internet (SRUTI) 2005, Cambridge, Massachusetts.

Lightweight Signatures for Email

[ PDF | Quicktime ]
June 30th, 2005 — Decentralized Information Group Meeting, MIT

Lightweight Signatures for Email

[ PDF | Quicktime ]
May 5th, 2005 — Cryptography and Information Security Seminar, MIT

Cryptographic Voting Tutorial

[ PDF | Quicktime ]
February 12th, 2005 — Radcliffe Institute for Advanced Study, Harvard University

Introducing VSPR

[ PDF | Quicktime ]
February 12th, 2005 — Radcliffe Institute for Advanced Study, Harvard University

Robust Mixnets in Electronic Voting

[ PDF | Quicktime | Powerpoint ]
January 18th, 2005 — Cambridge University, Cambridge, England

2004

Trusting the Vote

[ PDF | Quicktime | Powerpoint ]
December 10th, 2004 — Harvard Law School Internet & Society Conference

Secure and Fair Elections

[ PDF | Quicktime | Powerpoint | Gzipped Keynote ]
November 2nd, 2004 — Harvard Law School, Digital Democracy

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© Ben Adida, distributed under a Creative Commons license.