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Everything about Impossible differential cryptanalysis

Exploitation of impossible differences in block ciphers

In cryptography, impossible differential cryptanalysis is a form of differential cryptanalysis for block ciphers. While ordinary differential cryptanalysis tracks differences that propagate through the cipher with greater than expected probability, impossible differential cryptanalysis exploits differences that are impossible at some intermediate state of the cipher algorithm. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Impossible differential cryptanalysisA 5-minute orientation
  2. Skim a recent paper: Impossible Differential Cryptanalysis and a Security Evaluation Framework for AND-RX CiphersInfluential work since 2022
  3. Pick up a classic book: Information Security ApplicationsThe most-reprinted book on the subject
  4. Read the landmark paper: Impossible differential cryptanalysis of 7-round Advanced Encryption Standard (AES)Cited 78 times
  5. Go sideways: Khufu and KhafreA closely related topic
  6. Go sideways: Boomerang attackA closely related topic

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