【人物简介】

【研究方向】

1 可证明安全理论 2 基于身份的加密、数字签名及协议

【研究成果】

【科研项目】

　　主持项目： 　　1 国家自然科学基金， 61100231，标准模型下可证明安全分级身份基研究， 25万 　　2 国家自然科学基金， 60970119，公钥广播加密的设计与分析，20/31 万 　　3 中央高校基础研究基金，基于新型数学困难问题的广播加密的设计，4万 　　4 陕西省自然科学基金，新型可证明安全公钥广播加密的设计与分析，4万

【论文著作】

　　1 Leyou Zhang, Yupu Hu. New Constructions of Hierarchical Attribute-Based Encryption for Fine-Grained Access Control in Cloud Computing. KSII Transactions on internet and information systems,7,(5),1343-1356, 2013. (SCI) 　　2 Leyou Zhang, Yupu Hu and Qing Wu. Adaptively Secure Identity-based Broadcast Encryption with constant size private keys and ciphertexts from the Subgroups。 Mathematical and computer Modelling, 2012, 55，pp. 12–18，2012. (SCI,EI) 　　3 Leyou Zhang, Qing Wu and Yupu Hu. Hierarchical Identity-based Encryption with Constant size private keys。ETRI Journal，2012, 34(1)，142-145。(SCI,EI) 　　4 Leyou Zhang, Yupu Hu and Qing Wu. Fully Secure Identity-based Broadcast Encryption in the Subgroups, China Communications, Vol. 8, No. 2, 152-158, 2011(SCI). 　　5 Leyou Zhang, Yupu Hu and Qing Wu. New Constructions of Identity-based Broadcast Encryption without Random Oracles. KSII Transactions on internet and information systems, Vol.5 No.2, pp. 247-476, 2011 (SCI). 　　6 Leyou Zhang, Yupu Hu and Qing Wu. Unbounded Hierarchical Identity-based Encryption in the Standard Model。Information Journal, Vol. 15, NO. 1, pp.105-112, 2012. (SCI) 　　7 Leyou Zhang, Yupu Hu and Qing Wu. Identity-based threshold broadcast encryption in the standard model. KSII Transactions on internet and information systems, Vol. 4, No. 3, pp.400-410, 2010 .(SCI) 　　8 Leyou Zhang, Yupu Hu and Qing Wu. New Construction of Short Hierarchical ID-Based Signature in the Standard Model, Fundamenta Informaticae, 90(1-2)，191-201, 2009. (SCI,EI). 　　9 Leyou Zhang, Yupu Hu and Qing Wu. Efficient Dynamic Data Encryption Algorithm for Mobile Ad Hoc Network, Przeglad Elektrotechniczny, 12(9b):42-47,2012. (SCI) 　　10 Qing Wu, Sanyang Liu and Leyou Zhang. Support vector regression based on adjustable entropy function approach. Journal of Information Science and Engineering, 2010, 26: 2331-2339. (SCI ,EI) 　　11 Qing Wu, Sanyang Liu and Leyou Zhang. Particle swarm optimization for semi-supervised support vector machine. Journal of Information Science and Engineering, 2010, 26: 1695-1706. (SCI , EI) 　　12 Qing Wu, Sanyang Liu and Leyou Zhang. Adjustable entropy function method for support vector machines. Journal of Systems Engineering and Electronics, 2008, 19(5): 1029-1034. (SCI ,EI ) 　　13 Qing Wu, Sanyang Liu and Leyou Zhang. Hypersphere support vector machines based on multiplicative updates. ICNC 2006, Part I, LNCS 4221, pp. 1-4, 2006. Springer-Verlag Berlin Heidelberg 2006. (SCI,EI) 　　14 Leyou Zhang, Yupu Hu and Qing Wu. Secure Identity-based Ad Hoc Protocols for Mobile Networks.ICIC Express Letters, Vol. 5, No. 2, 2011, pp. 293-298.(EI). 　　15 Leyou Zhang, Qing Wu and Yupu Hu, Direct Chosen-Ciphertext Technique for Identity-based Broadcast Encryption, Journal of comptution information system, Accepted, In press, 2011.(EI) 　　16 Leyou Zhang, Yupu Hu and Qing Wu, Adaptively secure hierarchical identity-based signature in the standard model. The Journal of China Universities of Posts and Telecommunications, Vol. 17, No. 6, 2010,pp.95-100.(EI). 　　17 Leyou Zhang, Qing Wu and Yupu Hu. Adaptively Secure Identity-based Encryption in the Anonymous Communications. ICIC Express Letters, Vol. 5. No. 9(A), 3209-3216. (EI) 　　18 Leyou Zhang,Yupu Hu and Qing Wu. Adaptively Secure Identity-based Threshold Broadcast Encryption without Random Oracles. AMR Journal, Vols. 143-144 (2011) pp 347-352.(EI) 　　19 Leyou Zhang, Yupu Hu and Qing Wu. Short signature in the Standard Model. ICIC Express Letters,Vol. 5, No. 4(B), 1313-1320,2011.(EI) 　　20 Leyou Zhang, Yupu Hu and Qing Wu. Fuzzy Biometric Identity-based Signature in the Standard Model, AMM Journal, Vols. 44-47, 2011, pp. 3350-3354.(EI) 　　21 Leyou Zhang, Yupu Hu and Qing Wu. New Constructions of Short Signatures in the Standard Model。Journal of Software. Accepted，2011.(EI) 　　22 Leyou Zhang, Hu yupu, Tian xu’an, Yang yang. New construction of identity-based threshold decryption. Wuhan University journal of natural science. Vol. 15, No.3, June 2010, pp. 222-226 　　23 Leyou Zhang, Yupu Hu, Qing Wu, Xu’an Tian. Secure short Hierarchical identity-based signature in the standard model. IEEE international conference on network security, wireless communications and trusted computing, Vol. 1, pp. 366-369, IEEE computer society, 2010. (EI, ISTP) 　　24 Leyou Zhang, Yupu Hu, Xu’an Tian, Yang Yang. Novel identity-based blind signature for electronic voting system. IEEE international workshop on education technology and computer science. Vol. 2, 122-125, IEEE computer society, 2010. (EI, ISTP). 　　25 Leyou Zhang, Yupu Hu, Xu’an Tian, New Identity-based Threshold Broadcast Encryption for Ad Hoc Networks. IEEE international conference on wireless communications, networking, mobile computing.2010 , Page(s): 1-4. (EI, ISTP) 　　26 Leyou Zhang, Yupu Hu and Qing Wu. Short Signature from the Bilinear Pairing.ICICA 2010, Lecture Notes in Computer Science 6377, pp. 111-118, 2010.(EI, ISTP) 　　27 Leyou Zhang, Yupu Hu and Ningbo Mu. Identity-Based Broadcast Encryption with Shorter Transmissions.Journal of Shanghai Jiaotong University(Science), 2008, 13(6): 641-645.(EI) 　　28 Leyou Zhang and Yupu Hu. A New Construction of Short Hierarchical Identity-based Signature in the Standard Model. International Journal of Computer Science and Network Security, Vol. 9, No.4, 2009, 180-186. 　　29 Leyou Zhang, Yupu Hu and Qing Wu. Short Signature from the Bilinear Pairing. ICICA 2010, Lecture Notes in Computer Science 6377, pp. 111-118, 2010.(EI, ISTP) 　　30 张乐友，胡予濮，吴青，标准模型下一种新的基于身份的分级加密方案，电子与信息学报, 2009，31(4),937-941.(EI) 　　31 张乐友，胡予濮，标准模型下基于身份的可证安全签名方案，武大学学报信息安全版，2008，33(10)，1076-1079 .(EI) 　　32 张乐友，胡予濮，刘振华，标准模型下基于身份的可证安全门限签名方案，西安电子科技大学学报，2008，35 (1)：81-86 .(EI)