A Related-Key Rectangle Attack on the Full KASUMI

  title={A Related-Key Rectangle Attack on the Full KASUMI},
  author={Eli Biham and Orr Dunkelman and Nathan Keller},
KASUMI is an 8-round Feistel block cipher used in the confidentiality and the integrity algorithms of the 3GPP mobile communications. As more and more 3GPP networks are being deployed, more and more users use KASUMI to protect their privacy. Previously known attacks on KASUMI can break up to 6 out of the 8 rounds faster than exhaustive key search, and no attacks on the full KASUMI have been published. In this paper we apply the recently introduced related-key boomerang and rectangle attacks to… CONTINUE READING


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