A block cipher based pseudo random number generator secure against side-channel key recovery

  title={A block cipher based pseudo random number generator secure against side-channel key recovery},
  author={Christophe Petit and François-Xavier Standaert and Olivier Pereira and Tal Malkin and Moti Yung},
We study the security of a block cipher-based pseudorandom number generator (PRNG), both in the black box world and in the physical world, separately. We first show that the construction is a secure PRNG in the ideal cipher model. Then, we demonstrate its security against a Bayesian side-channel key recovery adversary. As a main result, we show that our construction guarantees that the success rate of the adversary does not increase with the number of physical observations, but in a limited and… CONTINUE READING
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