A New Keystream Generator MUGI (Symmetric Cipher) (<Special Section>Cryptography and Information Security)
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概要
- 論文の詳細を見る
We present a new keystream generator (KSG) MUGI, which is a variant of PANAMA proposed at FSE '98. MUGI has a 128-bit secret key and a 128-bit initial vector as parameters and generates a 64-bit string per round. The design is particularly suited for efficient hardware implementations, but the software performance of MUGI is excellent as well. A speed optimized implementation in hardware achieves about 3 Gbps with 26 Kgates, which is several times faster than AES. On the other hand, the security of MUGI has been evaluated by analyzing the applicability of re-synchronization attacks, related-key attacks, and attacks that exploit the linear correlation of an output sequence. Our analysis confirms that MUGI is a secure KSG.
- 社団法人電子情報通信学会の論文
- 2004-01-01
著者
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WATANABE Dai
Kannami Laboratory, Bozo Research Center Inc.
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Watanabe D
Systems Development Labora-tory Hitachi Ltd.
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Watanabe Dai
Systems Development Laboratory Hitachi Ltd.
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TAKARAGI Kazuo
Systems Development Laboratory, Hitachi Ltd.
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Watanabe Dai
Systems Development Labora-tory Hitachi Ltd.
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Takaragi K
Systems Development Labora-tory Hitachi Ltd.
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Takaragi Kazuo
Systems Development Laboratory Hitachi Ltd.
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FURUYA Soichi
Systems Development Labora-tory, Hitachi, Ltd.
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YOSHIDA Hirotaka
Systems Development Labora-tory, Hitachi, Ltd.
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PRENEEL Bart
Katholieke Universiteit Leuven, Dept. Electrical Engineering-ESAT
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Preneel Bart
Katholieke Universiteit Leuven Dept. Electrical Engineering-esat
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Furuya Soichi
Systems Development Labora-tory Hitachi Ltd.
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Yoshida H
Systems Development Labora-tory Hitachi Ltd.
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TAKARAGI Kazuo
Systems Development Labora-tory, Hitachi, Ltd.
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