A New Cryptanalytic Method for FEAL Cipher (Special Section on Cryptography and Information Security)

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概要

• 論文の詳細を見る

• We propose a new known plaintext attack of FEAL cipher. Our method differs from previous statistical ones in point of deriving the extended key in a deterministic way. As a result, it is possible to break FEAL-4 with 5 known plaintexts and FEAL-6 with 100 known plaintexts, respectively. Moreover, we show a method to break FEAL-8 with 2^<15> known plaintexts faster than an exhaustive key search.

• 社団法人電子情報通信学会の論文
• 1994-01-25

著者

• Matsui Mitsuru

  Computer & Information Systems Laboratory, Mitsubishi Electric Corporation

• Matsui Mitsuru

  Computer & Information Systems Laboratory Mitsubishi Electric Corporation

• Yamagishi Atsuhiro

  Computer & Information Systems Laboratory, Mitsubishi Electric Corporation

• Yamagishi Atsuhiro

  Computer & Information Systems Laboratory Mitsubishi Electric Corporation

関連論文

• On Applicability of Linear Cryptanalysis to DES-like Cryptosystems : LOKI89, LOKI91 and s^2 DES
• Message Authentication Codes and Differential Attack (Special Section on Cryptography and Information Security)
• A New Cryptanalytic Method for FEAL Cipher (Special Section on Cryptography and Information Security)

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