An Algebraic Fault Attack on the LED Block Cipher

  title={An Algebraic Fault Attack on the LED Block Cipher},
  author={Philipp Jovanovic and Martin Kreuzer and Ilia Polian},
  journal={IACR Cryptology ePrint Archive},
In this paper we propose an attack on block ciphers where we combine techniques derived from algebraic and fault based cryptanalysis. The recently introduced block cipher LED serves us as a target for our attack. We show how to construct an algebraic representation of the encryption map and how to cast the side channel information gained from a fault injection into polynomial form. The resulting polynomial system is converted into a logical formula in conjunctive normal form and handed over to… CONTINUE READING
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