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タイトル Improved MACs from Differentially - Uniform Permutations
著者 峯松 一彦 、松嶋 敏泰
年度 2007
形式 論文誌
分野 情報セキュリティ
掲載雑誌名 IEICE Trans. Fundamentals
掲載号・ページ vol.E90-A, no.12, pp.2908-2915
掲載年 2007
掲載月 12
アブスト
(日本語)
査読:有
DOI:10.1093/ietfec/e90-a.12.2908
アブスト
(英語)
This paper presents Message Authentication Codes (MACs) that combine a block cipher and its component such as a reduced-round version. Our MACs are faster than the standard MAC modes such as CBC-MAC, and provably secure if the block cipher is pseudorandom and its component is a permutation with a small differential probability.
Such a MAC scheme was recently proposed by one of authors, and we provide improvements about security and treading-off between speed and amount of preprocessing.
備考
(日本語)
3
備考
(英語)
3
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