A Cramer-Shoup Variant Related to the Quadratic Residuosity Problem(Public Key Cryptography, <Special Section>Cryptography and Information Security)
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概要
- 論文の詳細を見る
At Eurocrypt '02, Cramer and Shoup [1] proposed a general paradigm to construct practical public-key encryption schemes secure against the adaptive chosen ciphertext attack as well as several concrete examples. One of these example is the scheme based on the quadratic residuosity (QR) problem. However this scheme is less efficient than the other examples. In this paper, we construct a new variant of the Cramer-Shoup encryption scheme which is related to the QR problem. Our variant is more efficient than the scheme based on the QR problem.
- 一般社団法人電子情報通信学会の論文
- 2006-01-01
著者
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Tanaka Keisuke
Department Of Cardiovascular Surgery Nagoya Daini Red Cross Hospital
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Hiwatari Harunaga
Department Of Mathematical And Computing Sciences Tokyo Institute Of Technology
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Tanaka Keisuke
Department Of Biochemistry Faculty Of Veterinary Medicine Hokkaido University
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Tanaka Keisuke
Department Of Applied Chemistry Waseda University
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