An ID-based key sharing scheme based on discrete logarithm problem over a product of three primes
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概要
- 論文の詳細を見る
In 1990, the present authors proposed the first ID-based non-interacrive key sharing scheme (ID-NIKS) based on the discrete logarithm problem (DLP) over a composite number $n$. With a rapid progress of computer system for the last two decades, ID-NIKS based on DLP over $n$ would have more chance to be applied practically. However, there existed no secure ID-NIKS based on DLP over $n$ against the square-root attack when $n$ is a product of three prime numbers. In this paper, we propose an ID-NIKS based on DLP over a product of three prime numbers which can circumvent the square-root attack.
- The Japan Society for Industrial and Applied Mathematicsの論文
著者
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Kasahara Masao
Faculty Of Informatics Osaka Gakuin University
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Murakami Yasuyuki
Department Of Chemistry University Of Tsukuba
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Murakami Yasuyuki
Department of Telecommunications and Computer Networks, Faculty of Information and Communication Engineering, Osaka Electro-Communication University
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