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Schedule
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Workshop Format
Location
Technical Committee
Contact: vote@gwu.edu
NIST Threat
Analysis Workshop
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Invited
speaker:
Alan T. Sherman
Department of Computer Science and Electrical Engineering,
and
National Center for the
Study of
Elections,
of the Maryland Institute for
Policy
Analysis and Research
University of Maryland, Baltimore County
(UMBC)
Topic: A
study of vote
verification technologies
Biographical
sketch:
Short:
Alan T.
Sherman is associate
professor
of computer science at UMBC and
director of the UMBC
Center for
Information
Security and Assurance
(CISA).
URL:
http://www.csee.umbc.edu/~sherman
Talk
Abstract:
We describe our findings
and experiences
from our
technical review of vote verification
systems for the Maryland State Board of Elections (SBE). The
review
included the following four systems for possible
use together with Maryland's
existing Diebold AccuVote-TS (touch
screen) voting system: VoteHere
Sentinel; SCYTL Pnyx.DRE; MIT-Selker
audio system; Diebold voter verified paper audit trail.
As a baseline, we also examined the SBE’s
procedures for “parallel testing” of its
Diebold system. For each system, we
examined how it enables voters who use
touch screens to verify that their votes are cast
as intended, recorded as cast, and reported as
recorded. We also examined how well it
permits post-election
auditing. To this end, we considered
implementation, impact on current state voting processes and
procedures, impact
on voting, functional completeness, security against fraud, attack and
failure,
reliability, accessibility, and voter privacy.
Our principal findings are, first, that each
system we examined may at some point
provide a degree
of vote verification beyond what is available through the Diebold
System as
currently implemented, provided the system were fully developed, fully
integrated with the Diebold system, and effectively implemented. Second, none of the systems is yet a fully
developed, commercially ready product. This
interdisciplinary study—the first of its kind—is of
interest for the way in which it evaluates the
systems, for the technical questions it raises about standard
interfaces, and
as a snapshot of the state of vote verification technologies and their
commercial development.
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