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Partially-hiding functional encryption for degree-2 polynomials with fine-grained access control

Frontiers of Computer Science 2024年第3期18卷 231-233页

作者： Haifeng QIAN Cheng LIN qiaohan chu Jie CHEN Shanghai Key Laboratory of Trustworthy Computing Software Engineering InstituteEast China Normal UniversityShanghai 200062China

1 Introduction Boneh et al.[1]first systematically introduce the concept of Functional Encryption(FE)which overcomes all-or-nothing limitation of traditional public key ***,FE hides a potential problem:even if the secret key is obtained legitimately,once it is released,it can be used *** leads to that the secret key may leak information *** deal with this problem and make FE more practical,Abdalla et al.[2]recently constructed inner-product FE(IPFE)with fine-grained access control achieving strong security guarantees under standard assumptions.

关键词： grain Encryption encryption

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Nutrient Enrichment Regulates the Growth and Physiological Responses of Saccharina japonica to Ocean Acidification

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Journal of Ocean University of China 2020年第4期19卷 895-901页

作者： chu Yaoyao LIU Yan LI Jingyu WANG qiaohan GONG Qingli The Key Laboroatory of Mariculture(Ocean University of China) Ministry of EducationQingdao 266003China

Environmental changes,such as ocean acidification and eutrophication,have created threats to kelp *** this study,the growth,photosynthesis,respiration and nutrient composition of Saccharina japonica were evaluated at different levels of pCO2(400 and 800μL L−1)and nutrients(nutrient-enriched and non-enriched seawater).Elevated pCO2 decreased the relative growth rate(RGR),net photosynthetic rate and contents of tissue carbon and tissue nitrogen under non-enriched nutrient conditions,but it had no significant effect on these parameters under nutrient-enriched *** dark respiration rate was positively affected by elevated pCO2 regardless of the nutrient ***,the C:N was unaffected by elevated pCO2 at both nutrient *** results implied that ocean acidification could reduce the production and nutrient contents in the tissues of ***,which was associated with nutrient conditions.

关键词： eutrophication growth nutrient composition ocean acidification Saccharina japonica

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The Brown Algae Saccharina japonica and Sargassum horneri Exhibit Species-Specific Responses to Synergistic Stress of Ocean Acidification and Eutrophication

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Journal of Ocean University of China 2021年第5期20卷 1253-1262页

作者： LIU Yuxin CAO Jiazhen chu Yaoyao LIU Yan WANG qiaohan GONG Qingli LI Jingyu Fisheries College Ocean University of ChinaQingdao 266003China Key Laboratory of Mariculture Ministry of EducationOcean University of ChinaQingdao 266003China

Ocean acidification and eutrophication are two important environmental *** inevitably impact marine macroalgae,and hence the coastal ecosystem of *** japonica,as the main culture species in China,is suffering the harmful golden tide caused by Sargassum ***,it remains unclear whether the detrimental effects of *** on *** cultivation become more severe in future acidified and eutrophic *** this study,we respectively investigated the effects of pCO_(2)(400μatm and 1000μatm)and nutrients(non-enriched and enriched seawater)on the growth,photosynthesis,respiration,chlorophyll contents,and tissue nitrogen of *** and *** indicated that enrichment of nutrients contributed *** to utilize HCO_(3)^(−).The carbon acquisition pathway shifted from HCO_(3)^(−)to CO_(2) in ***,while *** re-mained using HCO_(3)^(−)regulated by nutrient *** exhibited better photosynthetic traits than ***,with a higher level of net photosynthetic rate and chlorophyll contents at elevated pCO_(2) and enriched *** nitrogen also accumulated richly in the thalli of *** under higher pCO_(2) and *** enhancement in growth was only detected in *** under synergistic ***,*** showed competitive dominance in current *** findings suggest that increasing risk of golden tide in acidified and eutrophic ocean can most likely result in great damage to *** cultivation.

关键词： eutrophication ocean acidification Saccharina japonica Sargassum horneri synergistic stress

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