http://archives.listbox.com/247/200701/0084.html
[IP] Reported fraud in Brazilian e-voting
From: David Farber <[EMAIL PROTECTED]>
Date: Mon Jan 22 2007 - 17:33:30 EST
Begin forwarded message:
From: Ed Gerck <[EMAIL PROTECTED]>
Date: January 22, 2007 5:06:38 PM EST
To: [EMAIL PROTECTED], [email protected]
Subject: Reported fraud in Brazilian e-voting
[Dave: for IP, thank you]
Fraud was reported in Brazil's 2006 e-voting election by an article just
published in Brazil this week by Veja [*].
The Veja text (in Portuguese) says that:
- more than 1/3 of the DREs used in the state of Alagoas show signs of
criminal manipulation.
- the number of cast ballots stored in some DREs is less than the number of
voters reported using those DREs.
- the totals include numbers from DREs that do not exist.
- some DREs misteriously did not register any vote.
These results, based on a report from Brazil's famous ITA university, are
not yet considered final.
Brazil has the most extensive e-voting system in the world, in operation for
more than 10 years. In the 2006 national elections, the number of e-voters
was reported as 125,913,479, with 361,431 precincts.
But it has problems. I wrote in a recent off-line IP discussion with S.
Unger Re his posting "on e-voting", that the system used in Brazil (as well
as the ones used in the US) need more independent assurances that each vote
counts as cast. See explanation how fraud in such DREs is possible, and how
to prevent it with more independent assurances, at
http://www.vote.caltech.edu/wote01/pdfs/gerck-witness.pdf
It is essential that such "witness" system be integrated with the tallying,
otherwise the DRE has the only and last word.
Best,
Ed Gerck
[*]
http://vejaonline.abril.uol.com.br/notitia/servlet/newstorm.ns.presentation.NavigationServlet?publicationCode=1
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