Improved Single-Key Attacks on 8-Round AES-192 and AES-256

  title={Improved Single-Key Attacks on 8-Round AES-192 and AES-256},
  author={Orr Dunkelman and Nathan Keller and Adi Shamir},
  journal={Journal of Cryptology},
AES is the most widely used block cipher today, and its security is one of the most important issues in cryptanalysis. After 13 years of analysis, related-key attacks were recently found against two of its flavors (AES-192 and AES-256). However, such a strong type of attack is not universally accepted as a valid attack model, and in the more standard single-key attack model at most 8 rounds of these two versions can be currently attacked. In the case of 8-round AES-192, the only known attack… CONTINUE READING
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