国家自然科学基金(s60673079)

作品数:2被引量:1H指数:1
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New designing of cryptosystems based on quadratic fields被引量:1
《Science in China(Series F)》2008年第8期1106-1116,共11页DONG XiaoLei CAO ZhenFu WANG LiCheng 
the National Natural Science Foundation of China(Grant Nos.60673079,60773086 and 60572155)
This paper proposes a method to construct new kind of non-maximal imaginary quadratic order (NIQO*) by combining the technique of Diophantine equation and the characters of non-maximal imaginary quadratic order. It...
关键词:public key cryptosystem quadratic field cryptography quadratic fields provable security 
Non-interactive and Non-malleable Commitment Scheme Based on q-one Way Group Homomorphisms
《Journal of Shanghai Jiaotong university(Science)》2008年第5期574-578,共5页张宗洋 董晓蕾 曹珍富 
the National Natural Science Foundations of China (Nos. 60673079 and 60572155)
Commitment scheme is a basic component of many cryptographic protocols, such as coin-tossing, identification schemes, zero-knowledge and multi-party computation. In order to prevent man-in-middle attacks, non-malleabi...
关键词:commitment scheme non-malleable NON-INTERACTIVE q-one way group homomorphisms (q-OWGH) 
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