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Everything about Integral cryptanalysis

Type of cryptanalytic attack

In cryptography, integral cryptanalysis is a cryptanalytic attack that is particularly applicable to block ciphers based on substitution–permutation networks. It was originally designed by Lars Knudsen as a dedicated attack against Square, so it is commonly known as the Square attack. It was also extended to a few other ciphers related to Square: CRYPTON, Rijndael, and SHARK. Stefan Lucks generalized the attack to what he called a saturation attack and used it to attack Twofish, which is not at all similar to Square, having a radically different Feistel network structure. Forms of integral cryptanalysis have since been applied to a variety of ciphers, including Hierocrypt, IDEA, Camellia, Skipjack, MISTY1, MISTY2, SAFER++, KHAZAD, and FOX. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Integral cryptanalysisA 5-minute orientation
  2. Skim a recent paper: Integral Cryptanalysis of Lightweight Block Cipher PIPOInfluential work since 2022
  3. Pick up a classic book: Computer NetworksThe most-reprinted book on the subject
  4. Read the landmark paper: Integral Cryptanalysis on Full MISTY1Cited 36 times
  5. Go sideways: Differential-linear attackA closely related topic
  6. Go sideways: MacGuffin (cipher)A closely related topic

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