3 papers
cs.CR2018
Physical Cryptographic Signatures for Absentee Ballots
Matthew Bernhard
Physical signature verification on absentee ballots became a major flashpoint in the 2018 midterm elections in the United States, especially in states like Georgia, Florida, and Ar…
stat.AP2018
Bernoulli Ballot Polling: A Manifest Improvement for Risk-Limiting Audits
Kellie Ottoboni, Matthew Bernhard, J. Alex Halderman +2
We present a method and software for ballot-polling risk-limiting audits (RLAs) based on Bernoulli sampling: ballots are included in the sample with probability , independently.…
cs.CR2017
Public Evidence from Secret Ballots
Matthew Bernhard, Josh Benaloh, J. Alex Halderman +6
Elections seem simple---aren't they just counting? But they have a unique, challenging combination of security and privacy requirements. The stakes are high; the context is adversa…