The 128-Bit Block Cipher Camellia(Special Section on Cryptography and Information Security)

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概要

• 論文の詳細を見る

• We present the new 128-bit block cipher called Camellia. Camellia supports 128-bit, block size and 128-, 192-, and 256-bit key lengths, i.e. the same interface specifications as the Advanced Encryption Standard(AES). Camellia was carefully designed to withstand all known cryptanalytic attacks and even to have a sufficiently large security leeway. It was also designed to suit both software and hardware implementations and to cover all possible encryption applications that range from lowcost smart cards to high-speed network systems. Compared to the AES finalists, Camellia offers at least comparable encryption speed in software and hardware. An optimized implementation of Camellia in assembly language can encrypt on a Pentium III(1.13GHz)at the rate of 471 Mbits per second. In addition, a distinguishing feature is its small hardware design. A hardware implementation, which includes encryption, decryption, and the key schedule for 128-bit keys, occupies only 9.66 K gates using a 0.35μm CMOS ASIC library. This is in the smallest class among all existing 128-bit block ciphers. It perfectly meets the current market requirements in wireless cards, for instance, where low power consumption is essential.

• 社団法人電子情報通信学会の論文
• 2002-01-01

著者

• Kanda M

  Nippon Telegraph And Telephone Corporation

• Matsui Mika

  Graduate School Of Science And Engineering Yamaguchi University

• Nakajima Junko

  Mitsubishi Electric Corporation

• Moriai S

  Nippon Telegraph And Telephone Corp. Yokosuka‐shi Jpn

• AOKI Kazumaro

  NTT Communications Corporation

• ICHIKAWA Tetsuya

  Mitsubishi Electric Corporation

• KANDA Masayuki

  Nippon Telegraph and Telephone Corporation

• MATSUI Mitsuru

  Mitsubishi Electric Corporation

• MORIAI Shiho

  Nippon Telegraph and Telephone Corporation

• TOKITA Toshio

  Mitsubishi Electric Corporation

• Aoki K

  Ntt Corp. Yokosuka‐shi Jpn

• Matsui M

  Graduate School Of Science And Engineering Yamaguchi University

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