Research Papers

In Defense of Pseudorandom Sample Selection [Workshop PDF]
By Joseph A. Calandrino, J. Alex Halderman, and Edward W. Felten
In Proc. 2008 USENIX/ACCURATE Electronic Voting Technology Workshop (EVT ‘08), San Jose, CA, July 2008

You Go to Elections with the Voting System You Have: Stop-Gap Mitigations for Deployed Voting Systems [Workshop PDF]
By J. Alex Halderman, Eric Rescorla, Hovav Shacham, and David Wagner
In Proc. 2008 USENIX/ACCURATE Electronic Voting Technology Workshop (EVT ‘08), San Jose, CA, July 2008

Machine-Assisted Election Auditing [Full PDF | Workshop PDF]
By Joseph A. Calandrino, J. Alex Halderman, and Edward W. Felten
In Proc. 2007 USENIX/ACCURATE Electronic Voting Technology Workshop (EVT ‘07), Boston, MA, August 2007

Security Analysis of the Diebold AccuVote-TS Voting Machine [Web site | Full PDF | Workshop PDF]
By Ariel J. Feldman, J. Alex Halderman, and Edward W. Felten
In Proc. 2007 USENIX/ACCURATE Electronic Voting Technology Workshop (EVT ‘07), Boston, MA, August 2007

Other Writings

Insecurities and Inaccuracies of the Sequoia AVC Advantage 9.00H DRE Voting Machine [Web site | Full PDF]
By Andrew W. Appel, Maia Ginsburg, Harri Hursti, Brian W. Kernighan, Christopher D. Richards, and Gang Tan.  October 17, 2008.

Source Code Review of the Diebold Voting System [PDF]
By Joseph A. Calandrino, Ariel J. Feldman, J. Alex Halderman, David Wagner, Harlan Yu, and William Zeller
Part of the California Secretary of State’s Top-to-Bottom Voting System Review, July 2007

Ceci n’est pas une urne: A report on a French internet election
By Andrew W. Appel

Andrew W. Appel’s testimony in the New Jersey voting machines lawsuit, 2005-06

Election Machinery, a course taught by Andrew W. Appel at Princeton University in 2004