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Not even FBI was able to decrypt files of Daniel Dantas

Hard drives were seized by the feds during Operation Satyagraha, in 2008.
Information is protected by sophisticated encryption system.

The FBI failed to break the encryption code of hard drives seized by federal police at the apartment of banker Daniel Dantas, in Rio de Janeiro, during Operation Satyagraha. The operation began in July 2008. According to a report published on Friday (25) by the newspaper Folha de S. Paulo, after a year of unsuccessful attempts, the U.S. federal police returned the equipment to Brazil in April.

According to the report, the fed only requested help from USA in early 2009, after experts from the National Institute of Criminology (INC) failed to decode the passwords on the hard drives. The government has no legal instrument to compel the manufacturer of the American encryption system or Dantas to give the access codes.

The equipment will remain under the protection of the feds. INC expect that new research data or technology could help them break the security codes. Opportunity Group reported that the two programs used in the equipment are available online. One is called Truecrypt and is free. The programs were used due to suspected espionage.

According to the report, the FBI and the INC used the same technology to try to break the password. It is a mechanism called a "dictionary" - a computer system that tests password combinations from known data and police information. Experts from the INC used this technique for five months, until December 2008, when the discs were sent to the United States.

Encore une preuve formelle de la puissance de l'outil "TrueCrypt" ! Il me parait toutefois étonnant qu'un tel organisme (FBI) s'attèle à des attaques "dictionnaires", sur une période d'une année, en vue de casser un tel chiffrement.

Je conseille encore une fois et préconise l'utilisation d'un tel système de chiffrement des données! Il est d'une relativement grande simplicité d'utilisation qui plus est!

Src here!