關鍵字查詢 | 類別:期刊論文 | | 關鍵字:the New TTS

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序號 學年期 教師動態
1 93/2 數學系 楊柏因 副教授 期刊論文 發佈 Building Secure Tame-Like Multivariate Public-Key Crpotosystems: the New TTS , [93-2] :Building Secure Tame-Like Multivariate Public-Key Crpotosystems: the New TTS期刊論文Building Secure Tame-Like Multivariate Public-Key Crpotosystems: the New TTS楊柏因淡江大學數學學系Information Security and Privacy , pp.518-531Multivariate public-key cryptosystems (sometimes polynomial-based PKC’s or just multivariates) handle polynomials of many variables over relatively small fields instead of elements of a large ring or group. The “tame-like” or “sparse” class of multivariates are distinguished by the relatively few terms that they have per central equation. We explain how they differ from the “big-field” type of multivariates, represented by derivatives of C ∗  and HFE, how they are better, and give basic security criteria for them. The last is shown to be satisfied by efficient schemes called “Enhanced TTS” which is built on a combination of the Oil-and-Vinegar and Triangular ideas. Their security levels are estimated. In this process we summarize and in some cases, improve rank-based attacks, w
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