Party leader Valdemar Costa and an auditor hired by the party told reporters in Brasilia that their evaluation found all machines dating from before 2020 — nearly 280,000 of them, or about 59 percent of the total used in the Oct. 30 runoff — lacked individual identification numbers in internal logs.
Neither explained how that might have affected election results, but said they were asking the electoral authority to invalidate all votes cast on those machines.
The complaint characterized the bug as “irreparable non-compliance due to malfunction” that called into question the authenticity of the results.
Immediately afterward, Alexandre de Moraes, who presides over the electoral authority, said the court would not consider the complaint unless the party offers a new report within 24 hours that would include results from the first electoral round on Oct. 2, in which the Liberal Party won more seats in both congressional houses than any other.
The bug hadn’t been known previously, yet experts said it also doesn’t affect results. Each voting machine can still be easily identified through other means, like its city and voting district, according to Wilson Ruggiero, a professor of computer engineering and digital systems at the Polytechnic School of the University of Sao Paulo.
Diego Aranha, an associate professor of systems security at Aarhus University in Denmark, who has participated in official security tests of Brazil’s electoral system, agreed.
“It does not undermine the reliability or credibility in any way,” Ruggiero told The Associated Press by phone. “The key point that guarantees correctness is the digital signature associated with each voting machine.”
While the machines don’t have individual identification numbers in their internal logs, those numbers do appear on printed receipts that show the sum of all votes cast for each candidate, said Aranha, adding the bug was only detected due to the efforts by the electoral authority to provide greater transparency.
Bolsonaro’s less than two-point loss to da Silva on Oct. 30 was the narrowest margin since Brazil’s 1985 return to democracy. While the president hasn’t explicitly cried foul, he has refused to concede defeat or congratulate his opponent — leaving room for supporters to draw their own conclusions.
Many have been protesting relentlessly, making claims of election fraud and demanding that the armed forces intervene.
Dozens of Bolsonaro supporters gathered outside the news conference on Tuesday, decked out in the green and yellow of Brazil’s flag and chanting patriotic songs. Some verbally attacked and pushed journalists trying to enter the venue.
Bolsonaro, whose candidacy had the vociferous support of former U.S. President Donald Trump, spent more than a year claiming Brazil’s electronic voting system is prone to fraud, without ever presenting evidence.
Brazil began using an electronic voting system in 1996 and election security experts consider such systems less secure than hand-marked paper ballots, because they leave no auditable paper trail. But Brazil’s system has been closely scrutinized by domestic and international experts who have never found evidence of it being exploited to commit fraud.
The Senate’s president, Rodrigo Pacheco, said Tuesday afternoon that the election results are “unquestionable.”
Bolsonaro has been almost completely secluded in the official residence since his Oct. 30 defeat, inviting widespread speculation as to whether he is dejected or plotting to cling to power.
In an interview with newspaper O Globo, Vice President Hamilton Mourão chalked up Bolsonaro’s absence to erysipelas, a skin infection on his legs that he said prevents the president from wearing pants.
But his his son Eduardo Bolsonaro, a federal lawmaker, has been more direct.
“We always distrusted these machines. … We want a massive audit,” the younger Bolsonaro said last week at a conference in Mexico City. “There is very strong evidence to order an investigation of Brazil’s election.”
For its audit, the Liberal Party hired the Legal Vote Institute, a group that has been critical of the current system, saying it defies the law by failing to provide a digital record of every individual vote.
In a separate report presented earlier this month, the Brazilian military said there were flaws in the country’s electoral systems and proposed improvements, but didn’t substantiate claims of fraud from some of Bolsonaro’s supporters.
Analysts have suggested that the armed forces, which have been a key component of Bolsonaro’s administration, may have maintained a semblance of uncertainty over the issue to avoid displeasing the president. In a subsequent statement, the Defense Ministry stressed that while it had not found any evidence of fraud in the vote counting, it could not exclude that possibility.
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