A Simplified Representation of AES

  title={A Simplified Representation of AES},
  author={Henri Gilbert},
We show that the so-called super S-box representation of AES – that provides a simplified view of two consecutive AES rounds – can be further simplified. In the untwisted representation of AES presented here, two consecutive AES rounds are viewed as the composition of a non-linear transformation S and an affine transformation R that respectively operate on the four 32-bit columns and on the four 32-bit rows of their 128-bit input. To illustrate that this representation can be helpful for… CONTINUE READING
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B . Robshaw . Essential Algebraic Structure within the AES

  • Sean Murphy, J. Matthew
  • CT - RSA
  • 2010

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