A Countermeasure for Protecting NTRUSign against the Transcript Attack

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概要

• 論文の詳細を見る

• NTRUSign is a lattice-based digital signature scheme proposed by Hoffstein et al. NTRUSign is quite different from many other signature schemes in a sense that its security depends on neither the integer factorization problem nor the discrete logarithm problem but on a geometric problem called the close vector searching problem. However, it is known that there is some vulnerability in NTRUSign, namely there is an attack called the transcript attack. In this paper, we propose a countermeasure for protecting NTRUSign against the transcript attack, and give an improved NTRUSign algorithm.

• 東北大学の論文

著者

• Mambo Masahiro

  The Graduate School Of Systems And Information Engineering University Of Tsukuba

• FUTA YUICHI

  Matsushita Electric Inclustrial Co., Ltd.

• Futa Yuichi

  Matsushita Electric Industrial Co.

• Hasegawa Shingo

  The Department Of Computer And Mathematical Sciences The Guraduate School Of Information Sciences To

• SHIZUYA Hiroki

  The Department of Computer and Mathematical Sciences, the Graduate School of Information Sciences Tohoku University

• OHMORI Motoji

  Matsushita Electric Industrial Co.

関連論文

• Efficient Construction of Elliptic Curves over Optimal Extension Field
• A Countermeasure for Protecting NTRUSign against the Transcript Attack

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