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| 1 | IDENTITY-BASED MULTISIGNATURE AND AGGREGATE SIGNATURE SCHEMES FROM M-TORSION GROUPS显示文摘An identity-based multisignature scheme and an identity-based aggregate signature scheme are proposed in this paper. They are both from m-torsion groups on super-singular elliptic curves or hyper-elliptic curves and based on the recently proposed identity-based signature scheme of Cha and Cheon. Due to the sound properties of m-torsion groups and the base scheme, it turns out that our schemes are very simple and efficient. Both schemes are proven to be secure against adaptive chosen message attack in the random oracle model under the normal security notions with the assumption that the Computational Diffie-Hellman problem is hard in the m-torsion groups. | Cheng Xiangguo Liu Jingmei Guo Lifeng Wang Xinmei | 2006 | Journal of Electronics(China)2006，23，4： | 11 |
| 2 | A THRESHOLD BLIND SIGNATURE FROM WEIL PAIRING ON ELLIPTIC CURVES显示文摘The idea behind a (t, n) threshold blind signature is that a user can ask at least t out of n players of a group to cooperate to generate a signature for a message without revealing its content. This paper first presents a new blind signature scheme from Weil pairing on elliptic curves. Based on this scheme, a threshold blind signature scheme is proposed. It is efficient and has the security properties of robustness and unforgeability. In the proposed scheme, the group manger is introduced to take the role of distributing the group secret key to each player. However, he cannot forge the players to generate partial blind signatures (Each partial blind signature depends on not only the secret key of the player, but also a random number the player picks). Compared with a threshold signature with a trusted third party, its advantage is obvious; Compared with a threshold signature without a trusted third party, it is more simple and efficient. | Cheng Xiangguo Xu Weidong Wang Xinmei | 2006 | Journal of Electronics(China)2006，23，1： | 6 |
| 3 | Intrusion-Resilient Identity-Based Signature: Security Definition and Construction 显示文摘 | Jia Yu Fanyu Kong Xiangguo Cheng | 2012 | Journal of Systems and Software2012，85，2： | 1 |
| 4 | Forward-secure identity- based public-key encryption without random oracles显示文摘 | Yu Jia Kong Fanyu Cheng Xiangguo | 2011 | Fundamen- ta Informaticae2011，111，2： | 1 |
| 5 | A New Approach to Group Signature Schemes显示文摘 | Cheng Xiangguo Yang Chen Yu Jia | 2011 | Journal of Computers2011，6，4： | 1 |
| 6 | Forward-secure identity-based signature: Security notions and construction显示文摘 | Jia Yu Rong Hao Fanyu Kong Xiangguo Cheng Jianxi Fan Yangkui Chen | 2010 | Information Sciences2010，，3： | 1 |
| 7 | Forward- secure multisignature, threshold signature and blind signature schemes显示文摘 | Yu Jia Kong Fanyu Cheng Xiangguo | 2010 | Journal of Networks2010，5，6： | 1 |
| 8 | One forward-se- cure signature scheme using bilinear maps and its applications显示文摘 | Yu Jia Kong Fanyu Cheng Xiangguo | 2014 | Information Sciences2014，279，： | 1 |
| 9 | Key-insulated aggregate signature显示文摘为了最小化损坏,在总数签名由关键暴露引起了,一个绝缘钥匙的总数签名计划在这份报纸被建议。我们给定义和绝缘钥匙的总数签名的安全模型。我们也构造满足我们的定义的一个具体绝缘钥匙的总数签名计划。我们的计划有有效确认和短签名长度的性质。我们在计算 Diffie-Hellman 假设下面在随机的神谕模型证明我们的计划的安全。 | Huiyan ZHAO Jia YU Shaoxia DUAN Xiangguo CHENG Rong HAO | 2014 | Frontiers of Computer Science2014，8，5： | 1 |
| 10 | One Forward-secure Signature Scheme Using Bilinear Maps and Its Applications 显示文摘 | Yu Jia Kong Fanyu Cheng Xiangguo | 2014 | Information Science2014，279，1： | 1 |
| 11 | Erratum to the Paper: Forward-secure Identity-based Public-key Encryption without Random Oracles 显示文摘 | Yu Jia Kong Fanyu Cheng Xiangguo | 2012 | Fundamenta Informaticae2012，114，1： | 1 |
| 12 | Trends in the Prevalence of Cognitive Impairment Among Older Adults Aged 65 to 105 Years—China,2002–2018显示文摘Introduction:This study aims to analyze trends and subgroup differences in the prevalence of cognitive impairment among older Chinese adults aged 65–105 years from 2002 to 2018.Methods:Data were drawn from six waves of the Chinese Longitudinal Healthy Longevity Survey(CLHLS).Cognitive function was measured using the Chinese version of the Mini-Mental State Examination(CMMSE).Cognitive impairment was determined by the total CMMSE score and educational attainment of participants.The generalized estimating equation(GEE)models with a logistic link and binominal distribution were performed to assess the secular trend in the prevalence.Results:The prevalence of cognitive impairment among older adults aged 65–105 years decreased from 3.44%[95%confidence interval(CI):3.15%–3.73%]in 2002 to 2.41%(95%CI:2.17%–2.65%)in 2018 in China.The prevalence was slightly higher in women than in men in 2002(3.71%vs.3.13%,P<0.05),and there was no significant difference between women and men in 2018(2.60%vs.2.21%,P=0.12).Rural older adults had a higher prevalence of cognitive impairment before 2014,but their urban counterparts had a higher prevalence in 2018(2.75%vs.2.06%,P<0.05).The GEE regression model showed that each successive year was associated with a 3%reduction in the odds of the prevalence of cognitive impairment[odds ratio(OR)=0.97;95%CI:0.97–0.97;P<0.05].Conclusions:The prevalence of cognitive impairment among Chinese older adults aged 65–105 years declined slowly from 2002 to 2018.The gender,urban-rural,age,and regional differences in the prevalence of cognitive impairment changed over time. | Xiaojin Yan Shiqi Lin Jiajia Li Hao Cheng Xiangguo Liu Lijun Pei | 2022 | China CDC weekly2022，4，42： | 0 |
| 13 | Effects of Transplanting Date on Growth, Development, Yield and Quality of Flue-cured Tobacco in Western Henan显示文摘With Yunyan 87 as an experimental material, the effects of different transplanting dates on the growth and development of tobacco plants and the yield and quality of cured tobacco leaves were studied in Lingbao City, Sanmenxia City. With the postponement of transplanting date, the growth period in field was prolonged, and the plant height and leaf area both increased at first and decreased then. TMV, weather fleck and brown spot all showed an incidence and a disease index decreased with the postponement of transplanting date. The total sugar and reducing sugar contents of the cured tobacco leaves from the upper and middle part increased at first and decreased then with the postponement of transplanting date. The main nitrogenous compounds decreased at first and increased then. The economic traits and leaf class were on the decrease. | Junzheng LI Haiyang JIANG Jun HU Chunmiao QI Xiangguo CHENG Weiwei WANG Yulin ZHANG | 2019 | Agricultural Biotechnology2019，8，2： | 0 |
| 14 | Lifetimes Measurement of 11/2- and 7/2-States in ^(117)Xe显示文摘Lifetimes Measurement of 11/2- and 7/2-States in^(117)XeLifetimesMeasurementof11/2-and7/2-Statesin^(117)Xe￥LiuZhong;SunXiangfu... | Liu Zhong Sun Xiangfu Lei Xiangguo Guo YingXiang Cheng Xinfeng Zhou Xiaohong Zhang Yuhu Jin Hanjuan Luo Yixiao Wen Shuxian Yuan Guanjun Liu Xiangan and Yang Chunxiang | 1995 | IMP & HIRFL Annual Report1995，，0： | 0 |
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