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| 1 | The combined genotypes effect of ESR and FSHβ genes on litter size traits in five different pig breeds显示文摘Estrogen receptor (ESR) and Follicular-stimula-ting hormone beta subunit (FSHβ) genes were chosen as candidates to determine whether they control litter size and some other reproductive traits in swine. 269 sows from five different pig breeds were genotyped by an established PCR-RFLPs protocol at both ESR and FSHβ loci. The effects of both ESR and FSHβ on pig reproductive traits, including total number born (TNB) and number born alive (NBA), are analyzed by SAS software (version 6.12). These computation results demonstrated that both ESR locus and FSHβ locus are the major genes influencing litter size in pigs. The sows of BBBB combined genotype of ESR and FSHβ loci generally produce 1.85-3.01 TNB and 2.0-3.0 NBA more than those of ABAA combined genotype. The notable effect of ESR locus and FSHβ locus on litter size of pigs have made it possible to improve the pig reproduction by Marker-assisted selection (MAS). Moreover, introgression of the beneficial alleles into commercial pig breeding lines, | Kefei Chen Ning Li Lusheng Huang Qin Zhang Jiansheng Zhang Shiquan Sun Ming Luo Changxin Wu | 2001 | Chinese Science Bulletin2001，46，2： | 21 |
| 2 | Changes in cerebral hemodynamics in patients with posttraumatic diffuse brain swelling after external intraventricular drainage显示文摘 | Kefei Chen Jirong Dong Tian Xia Chunlei Zhang Wei Zhao Qinyi Xu Xuejian Cai | 2015 | Chinese Journal of Traumatology2015，18，2： | 13 |
| 3 | CCA-secure unidirectional proxy re-encryption in the adaptive corruption model without random oracles显示文摘Up to now, it is still an open question of how to construct a chosen-ciphertext secure unidirectional proxy re-encryption scheme in the adaptive corruption model. To address this problem, we propose a new unidirectional proxy re-encryption scheme, and prove its chosen-ciphertext security in the adaptive corruption model without random oracles. Compared with the best known unidirectional proxy re-encryption scheme proposed by Libert and Vergnaud in PKC'08, our scheme enjoys the advantages of both higher efficiency and stronger security. | WENG Jian CHEN MinRong ANG YanJiang DENG Robert CHEN KeFei BAO Feng | 2010 | Science China(Information Sciences)2010，53，3： | 12 |
| 4 | Anonymous handover authentication protocol for mobile wireless networks with conditional privacy preservation显示文摘With the development of the wireless communication technology and the popularity of mobile devices, the mobile wireless network(MWN) has been widely used in our daily life. Through the access point(AP), users could access the Internet anytime and anywhere using their mobile devices. Therefore, MWNs can bring much convenience to us. Due to the limitation of AP's coverage, the seamless handover frequently occurs in practical applications. How to guarantee the user's privacy and security and identify the real identity when he/she brings harm to the system becomes very challenging. To achieve such goals, many anonymous handover authentication(AHA) protocols have been proposed in the last several years. However, most of them have high computation costs because mobile nodes need to carry out the bilinear pairing operations or the hash-to-point operations. Besides, most of them cannot satisfy some critical requirements, such as non-traceability and perfect forward secrecy. In this paper, we first outline the security requirements of AHA protocols, and then propose a new AHA protocol to eliminate weaknesses existing in previous AHA protocols. Based on the hardness of two famous mathematical problems, we demonstrate that the proposed AHA protocol is secure against different kinds of attacks and can meet a variety of security requirements. It can be seen from the details of implementations that the proposed AHA protocol also has much less computation cost than three latest AHA protocols. | Debiao HE Ding WANG Qi XIE Kefei CHEN | 2017 | Science China(Information Sciences)2017，60，5： | 7 |
| 5 | Accountable authority key policy attribute-based encryption显示文摘We present an accountable authority key policy attribute-based encryption (A-KPABE) scheme.In this paper,we extend Goyal's work to key policy attribute-based encryption setting.We first generalize the notion of accountable authority in key policy attribute-based encryption scenario,and then give a construction.In addition,our scheme is shown to be secure in the standard model under the modified Bilinear Decisional Diffie-Hellman (mBDDH) assumption. | WANG YongTao CHEN KeFei LONG Yu LIU ZhaoHui | 2012 | Science China(Information Sciences)2012，55，7： | 6 |
| 6 | Secure searchable public key encryption against insider keyword guessing attacks from indistinguishability obfuscation显示文摘Public key encryption with keyword search(PEKS)enables one to search encrypted data containing some keyword without decrypting the data in public key setting.Boneh et al.[1]introduced the notion of PEKS,but later Byun et al.[2]showed the scheme in[1]is vulnerable to the outsider/insider keyword guessing attacks(KGA).Many previous PEKS studies have tackled | Lixue SUN Chunxiang XU Mingwu ZHANG Kefei CHEN Hongwei LI | 2018 | Science China(Information Sciences)2018，61，3： | 4 |
| 7 | Neoadjuvant and Adjuvant Therapy in Intrahepatic Cholangiocarcinoma显示文摘Intrahepatic cholangiocarcinoma(ICC)is the second most common primary liver cancer and causes major economic and health burdens throughout the world.Although the incidence of ICC is relatively low,an upward trend has been seen over the past few decades.Owing to the lack of specific manifestations and tools for early diagnosis,most ICC patients have relatively advanced disease at diagnosis.Thus,neoadjuvant therapy is necessary to evaluate tumor biology and downstage these patients so that appropriate candidates can be selected for radical liver resection.However,even after radical resection,the recurrence rate is relatively high and is a main cause leading to death after surgery,which makes adjuvant therapy necessary.Because of its low incidence,studies in both neoadjuvant and adjuvant settings of ICC are lagging compared with other types of malignancy.While standard neoadjuvant and adjuvant regimens are not available in the current guidelines due to a lack of high-level evidence,some progress has been achieved in recent years.In this review,the available literature on advances in neoadjuvant and adjuvant strategies in ICC are evaluated,and possible challenges and opportunities for clinical and translational investigations in the near future are discussed. | Xing Chen Jinpeng Du Jiwei Huang Yong Zeng Kefei Yuan | 2022 | Journal of Clinical and Translational Hepatology2022，10，3： | 4 |
| 8 | Optimistic fair exchange E-commerce protocol based on secret sharing显示文摘A key problem of electronic commerce (for short e-commerce) is fair exchange which guarantees that at the end of the transaction, either both parties involved in the transaction receive each other’s items or none do. A non-interactive optimistic fair exchange e-commerce protocol model based on the publicly verifiable secret sharing is presented. The main idea of our exchange protocol is to interchange verifiable and recoverable keys of the symmetric encryption for participants’ items. So it is especially suitable for exchange of large-size items. Furthermore, our protocol is efficient and simple as it does not need interactive proof system which has been adopted by a large quantity of previously proposed fair exchange protocols. Based on a modified (2,2) secret sharing scheme, a concrete non-interactive fair exchange e-commerce protocol is designed. | Ma Changshe Lei Feiyu Chen Kefei | 2006 | Journal of Systems Engineering and Electronics2006，17，4： | 3 |
| 9 | An efficient pairing-free certificateless signature scheme for resource-limited systems显示文摘Appendix A Introduction With the development of computation and communication,resource-limited systems have been quite widespread,such as wireless sensor networks(WSNs)[1,2],PDAs,cell phones and smartcards.However,these systems cannot execute | Liangliang Wang Kefei Chen Yu Long Huige Wang | 2017 | Science China(Information Sciences)2017，60，11： | 3 |
| 10 | LFSR-based Ring Signature Scheme显示文摘 | ZHENG Dong LI Xiangxue CHEN Kefei | 2007 | Chinese Journal of Electronics2007，16，3： | 3 |
| 11 | Identity-based threshold key-insulated signature显示文摘 | Chen Jianhong Chen Kefei Long Yu | 2012 | High Technology Letters2012，18，3： | 3 |
| 12 | Identity-Based Conditional Proxy Re-Encryption显示文摘 | ZHOU Dehua CHEN Kefei LIU Shengli ZHENG Dong | 2013 | Chinese Journal of Electronics2013，22，1： | 2 |
| 13 | Pirate decoder for the broadcast encryption schemes from Crypto 2005显示文摘In Crypto'05, Boneh et al. presented two broadcast encryption schemes. Their work has exciting achievements: the header (also called ciphertexts) and the private keys are of constant size. In their paper, they give an open question to construct a traitor tracing algorithm for their broadcast encryption schemes, and combine the two systems to obtain an efficient trace-and-revoke system. In this paper, we give a negative answer to their open question. More precisely, we show that three or more insider users are able to collude to forge a valid private key for pirate decoding against their schemes. Moreover, we prove that there exists no traitor tracing algorithm to identify the colluders. Our pirate decoding can also similarly be applied to Lee et al.'s broadcast encryption schemes in ISPEC'06. | WENG Jian LIU ShengLi CHEN KeFei | 2007 | Science in China(Series F)2007，50，3： | 2 |
| 14 | MULTI-ITEM FAIR EXCHANGE SCHEME显示文摘As more business is conduced over the Internet, the fair exchange problem assumes increasing importance. However, the problem of multi-party fair exchange has not been studied as widely as the more fundamental problem of 2-party fair exchange. Recently, Franklin and Tsudik proposed two protocols for n-party multi-item exchange on FC'98, SUCEX-1 and SUCES-2. This paper first gives an attack on the proposed protocol SUCEX-1, then presents two protocols for multi-item exchange, one is an improved protocol of SUCEX-1, another is the extension of protocol SUCEX-2. | Zheng Dong Chen Kefei (Dept. of Computer Science Engineering, Shanghai Jiaotong Univ., Shanghai 200030) | 2002 | Journal of Electronics(China)2002，19，4： | 2 |
| 15 | Trust Based Pervasive Computing显示文摘Pervasive computing environment is a distributed and mobile space. Trust relationship must be established and ensured between devices and the systems in the pervasive computing environment. The trusted computing (TC) technology introduced by trusted computing group is a distributed-system-wide approach to the provisions of integrity protection of resources. The TC’s notion of trust and security can be described as conformed system behaviors of a platform environment such that the conformation can be attested to a remote challenger. In this paper the trust requirements in a pervasive/ubiquitous environment are analyzed. Then security schemes for the pervasive computing are proposed using primitives offered by TC technology. | LI Shiqun Shane Balfe ZHOU Jianying CHEN Kefei | 2006 | Wuhan University Journal of Natural Sciences2006，11，6： | 2 |
| 16 | Building Representative-Based Data Aggregation Tree in Wireless Sensor Networks显示文摘 | ZHENG Yanfei CHEN Kefei QIU Weidong | 2010 | Mathematical Problems in Engineer- ing2010，，： | 1 |
| 17 | A genetic clustering method for intrusion detection显示文摘 | Yongguo Liu Kefei Chen Xiaofeng Liao | 2004 | Pattern Recognition2004，37，： | 1 |
| 18 | Certificateless Signature and Proxy Signature Schemes from Bilinear Pairings显示文摘 | Li Xiangxue Chen Kefei Sun L | 2005 | Lithuanian Mathematical Journal2005，45，1： | 1 |
| 19 | Pubilcly verifiable authenticat ed encryption显示文摘 | MA Changshe CHEN Kefei | 2003 | Electronics Letters2003，39，3： | 1 |
| 20 | On the Security of Double-Block-Length Hash Functions with Rate 1显示文摘 | GONG Zheng LUO Yiyuan LAI Xuejia CHEN Kefei | 2012 | Chinese Journal of Electronics2012，21，3： | 1 |
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