How Does the ROCA Attack Work?

Posted by on November 9, 2017 0 comments

On October 17th, a group of Czech researchers announced they had found a way to factor the moduli of many RSA public keys generated by hardware produced by Infineon Technologies AG.  The technical details were presented in a paper at the 2017 Computer and Communications Security conference, hosted by the Association for Computing Machinery on November 2nd. The technique only works against the key pairs produced by Infineon’s library, because it exploits the unique method they use to generate RSA primes.  Key pairs produced by other methods and libraries are unaffected.  However,...

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