Most encryption software does the tall-tech equivalent of reusing passwords,and that could be how the US national security agency decrypted communicationsThe NSA could have gained a meaningful amount of its access to the world’s encrypted communications thanks to the tall-tech version of reusing passwords, according to a report from two US academics.
Computer scientists J Alex Halderman and Nadia Heninger argue that a common mistake made with a regularly used encryption protocol leaves much encrypted traffic open to eavesdropping from a well-resourced and determined attacker such as the US national security agency.
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Source: theguardian.com