Cong WANG

Associate Professor
Department of Computer Science
City University of Hong Kong

Office: Y6313, Yeung Kin Man Academic Building (AC1)
Phone: +852 3442 2010
Fax: +852 3442 0503
Email: congwang at cityu.edu.hk

Overview

My current research interests include data and computation outsourcing security in the context of cloud computing, blockchain and decentralized application, network security in emerging Internet architecture, multimedia security, and privacy-enhancing technologies in the context of big data and IoT. My research has been supported by multiple government research fund agencies, including National Natural Science Foundation of China, Hong Kong Research Grants Council, and Hong Kong Innovation and Technology Commission, as well as Amazon Web Services, and Microsoft Azure. Please refer to our group website for more details.

Google Scholar | ORCID | Scopus | CityU Scholar

IEEE DSC 2019 The 2019 IEEE Conference on Dependable and Secure Computing (DSC) will be held in Hangzhou, China, 18-20 November, 2019. Welcome!

Recent Publications (Full List)

Journal and Magazine Articles

Helei Cui, Xingliang Yuan, Yifeng Zheng, and Cong Wang, "Towards Encrypted In-Network Storage Services with Secure Near-Duplicate Detection", IEEE Transactions on Services Computing (TSC), accepted, 2018.
Yue Zhang, Jia Yu, Rong Hao, Cong Wang, and Kui Ren, "Enabling Efficient User Revocation in Identity-based Cloud Storage Auditing for Shared Big Data", IEEE Transactions on Dependable and Secure Computing (TDSC), accepted, 2018.
Yu Guo, Xingliang Yuan, Xinyu Wang, Cong Wang, Baochun Li, and Xiaohua Jia, "Enabling Encrypted Rich Queries in Distributed Key-value Stores", IEEE Transactions on Parallel and Distributed Systems (TPDS), accepted, 2018.
Xu Yuan, Xingliang Yuan, Baochun Li, Cong Wang. "Toward Secure and Scalable Computation in Internet of Things Data Applications", IEEE Internet of Things Journal (IoT-J), accepted, 2018.
Chengjun Cai, Jian Weng, Xingliang Yuan, and Cong Wang, "Enabling Reliable Keyword Search in Encrypted Decentralized Storage with Fairness", IEEE Transactions on Dependable and Secure Computing (TDSC), accepted, 2018.
Leo Yu Zhang*, Yifeng Zheng*, Jian Weng, Cong Wang, Zihao Shan, and Kui Ren, "You Can Access But You Cannot Leak: Defending Against Illegal Content Redistribution in Encrypted Cloud Media Center", IEEE Transactions on Dependable and Secure Computing (TDSC), accepted, 2018, (* equal contributions).
Huayi Duan, Yifeng Zheng, Cong Wang, and Xingliang Yuan, "Treasure Collection on Foggy Islands: Building Secure Network Archives for Internet of Things", IEEE Internet of Things Journal (IoT-J), accepted, 2018.
Yifeng Zheng, Huayi Duan, Xingliang Yuan, and Cong Wang, "Privacy-Aware and Efficient Mobile Crowdsensing with Truth Discovery", IEEE Transactions on Dependable and Secure Computing (TDSC), accepted, 2017.
Jinghua Jiang, Yifeng Zheng, Zhenkui Shi, Xingliang Yuan, Xiaolin Gui, and Cong Wang, "A Practical System for Privacy-Aware Targeted Mobile Advertising Services", IEEE Transactions on Services Computing (TSC), accepted, 2017.
Xingliang Yuan, Jian Weng, Cong Wang, and Kui Ren, "Secure Integrated Circuit Design via Hybrid Cloud", IEEE Transactions on Parallel and Distributed System (TPDS), accepted, 2018.
Huayi Duan, Cong Wang, Xingliang Yuan, Yajin Zhou, Qian Wang, Kui Ren, "LightBox: SGX-assisted Secure Network Functions at Near-native Speed", arXiv: 1706.06261v2, 2018.
Qian Wang, Jing Huang, Yanjiao Chen, Cong Wang, Fu Xiao, and Xiangyang Luo, "PROST: Privacy-Preserving and Truthful Online Double Auction for Spectrum Allocation", IEEE Transactions on Information Forensics and Security (TIFS), vol. 14, no. 2, pp. 374-386, February 2019.
Fei Chen, Donghong Wang, Ronghua Li, Jianyong Chen, Zhong Ming, Alex X. Liu, Huayi Duan, Cong Wang, and Jing Qin, "Secure Hashing Based Verifiable Pattern Matching", IEEE Transactions on Information Forensics and Security (TIFS), vol. 13, no. 11, pp. 2677-2690, November 2018.
Yifeng Zheng, Huayi Duan, and Cong Wang, "Learning the Truth Privately and Confidently: Encrypted Confidence-Aware Truth Discovery in Mobile Crowdsensing", IEEE Transactions on Information Forensics and Security (TIFS), vol. 13, no. 10, pp. 2475-2489, October 2018.
Xingliang Yuan, Jian Weng, Cong Wang, and Kui Ren, "Secure Integrated Circuit Design via Hybrid Cloud", IEEE Transactions on Parallel and Distributed System (TPDS), vol. 29, no. 8, pp. 1851-1864, August 2018.
Jie Zhu, Qi Li, Cong Wang, Xingliang Yuan, Qian Wang, and Kui Ren, "Enabling Generic, Verifiable, and Secure Data Search in Cloud Services", IEEE Transactions on Parallel and Distributed System (TPDS), vol. 29, no. 8, pp. 1721-1735, August 2018.
Xingliang Yuan, Huayi Duan, and Cong Wang, "Assuring String Pattern Matching in Outsourced Middleboxes", IEEE/ACM Transactions on Networking (ToN), vol. 26, no. 3, pp. 1362- 1375, June 2018.
Zihao Shan, Kui Ren, Marina Blanton, and Cong Wang, "Practical Secure Computation Outsourcing: A Survey", ACM Computing Surveys, vol. 51, no. 2, article 31, June, 2018, 40 pages.
Leo Yu Zhang, Yuansheng Liu, Cong Wang, Jiantao Zhou, Yushu Zhang, and Guanrong Chen, "Improved Known-plaintext Attack on Permutation-only Multimedia Ciphers", Information Sciences, vol. 430-431, pp. 228-239, March 2018.
Cong Wang, Yifeng Zheng, Jinghua Jiang, and Kui Ren, "Toward Privacy-preserving Personalized Recommendation Services", Engineering, vol. 4, no. 1, pp. 21-28, February 2018.
Jing Yao, Yifeng Zheng, Cong Wang, and Xiaolin Gui, "Enabling Search Over Encrypted Cloud Data With Concealed Search Pattern", IEEE Access, vol. 6, pp. 11112 - 11122, February 2018.
Cong Wang, Xingliang Yuan, Yong Cui, and Kui Ren, "Toward Secure Outsourced Middlebox Services: Practices, Challenges, and Beyond", IEEE Network Magazine, vol. 31, no. 1, pp. 166-171, Jan.-Feb. 2018.

Conference and Workshop Papers

Xiaoli Zhang, Huayi Duan, Cong Wang, Qi Li, and Jianping Wu, "Towards Verifiable Performance Measurement over In-the-Cloud Middleboxes", in The 38th International Conference on Computer Communications (INFOCOM'19), Paris, France, 29 April - 2 May, 2019.
Lei Xu, Xingliang Yuan, Cong Wang, Qian Wang, and Chungen Xu, "Hardening Database Padding for Searchable Encryption", in The 38th International Conference on Computer Communications (INFOCOM'19), Paris, France, 29 April - 2 May, 2019.
Qian Wang, Xiu Lin, Man Zhou, Yanjiao Chen, Cong Wang, and Qi Li, "VoicePop: A Pop Noise based Anti-spoofing System for Voice Authentication on Smartphones", in The 38th International Conference on Computer Communications (INFOCOM'19), Paris, France, 29 April - 2 May, 2019.
Songrui Wu, Qi Li, Guoliang Li, Dong Yuan, Xingliang Yuang, and Cong Wang, "ServeDB: Secure, Verifiable, and Efficient MultiDimensional Range Queries on Outsourced Database", in The 35th IEEE International Conference on Data Engineering (ICDE'19), Macau, China, April 8-12, 2019.
Huayi Duan, Yifeng Zheng, Yuefeng Du, Anxin Zhou, Cong Wang, and Man Ho Au, "Aggregating Crowd Wisdom via Blockchain: A Private, Correct, and Robust Realization", in The 17th IEEE International Conference on Pervasive Computing and Communications (PerCom'19), Kyoto, Japan, March 11-15, 2019. [GitHub][pdf][slides]
Helei Cui, Yajin Zhou, Cong Wang, Qi Li, and Kui Ren, "Towards Privacy-Preserving Malware Detection Systems for Android", in The 24th IEEE International Conference on Parallel and Distributed Systems (ICPADS'18), Sentosa, Singapore, Dec 11-13, 2018. (Best Paper Award)
Helei Cui, Cong Wang, Yu Hua, Yuefeng Du, and Xingliang Yuan, "A Bandwidth-Efficient Middleware for Encrypted Deduplication", in The 2nd IEEE International Conference on Dependable and Secure Computing (DSC'18), Kaohsiung, Taiwan, Dec 10-13, 2018.
Chengjun Cai, Huayi Duan, and Cong Wang, "Tutorial: Building Secure and Trustworthy Blockchain Applications", in The 3rd IEEE Secure Development Conference (SecDev'18, Tutorial Session), Sep 30 - Oct 2, Cambridge, MA, USA, 2018. [GitHub] [pdf] [slides]
Chengjun Cai, Yifeng Zheng, and Cong Wang, "Leveraging Crowdsensed Data Streams to Discover and Sell Knowledge: A Secure and Efficient Realization", in The 38th IEEE International Conference on Distributed Computing Systems (ICDCS'18), Vienna, Austria, 2018.
Yu Guo, Cong Wang, Xingliang Yuan, and Xiaohua Jia, "Enabling Privacy-Preserving Header Matching for Outsourced Middleboxes", in IEEE/ACM International Symposium on Quality of Service (IWQoS'18), Banff, Alberta, Canada, 2018.
Yu Guo, Cong Wang, and Xiaohua Jia, "Enabling Secure and Dynamic Deep Packet Inspection in Outsourced Middleboxes", in International Workshop on Security in Cloud Computing (SCC'18), Songdo, Incheon, Korea, 2018.
Pengfei Zuo, Yu Hua, Cong Wang, Wen Xia, Shunde Cao, Yukun Zhou, and Yuanyuan Sun, "Mitigating Traffic-based Side Channel Attacks in Bandwidth-efficient Cloud Storage", in IEEE International Parallel and DIstributed Processing Symposium (IPDPS'18), Vancouver, British Columbia, Canada, 2018.
Yifeng Zheng, Cong Wang, and Jiantao Zhou, "Toward Secure Image Denoising: A Machine Learning Based Realization", in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'18), Calgary, Alberta, Canada, 2018.
Shengshan Hu, Chengjun Cai, Qian Wang, Cong Wang, Xiangyang Luo, and Kui Ren, "Searching an Encrypted Cloud Meets Blockchain: A Decentralized, Reliable and Fair Realization", in International Conference on Computer Communications (INFOCOM'18), Honolulu, HI, USA, 2018.
Xiaoting Tang, Cong Wang, Xingliang Yuan, and Qian Wang, "Non-interactive Privacy-preserving Truth Discovery in Crowd Sensing Applications", in International Conference on Computer Communications (INFOCOM'18), Honolulu, HI, USA, 2018.

Patents

Cong Wang, Yifeng Zheng, Chengjun Cai, "System and Method for Processing Data and Managing Information", US Patent Application filed with the USPTO on 10 July 2018, with application no. 16/030,980. Data source from CityU KTO with case no. PWG/PA/629/4/2018 (US).
Cong Wang, Helei Cui, Huayi Duan, "Method for Accelerating Execution of Application in a Trusted Execution Environment", US Patent Application filed with the USPTO on 21 Dec 2017, with application no. 15/849,889. Data source from CityU KTO with case no. PWG/PA/572/8/2017 (US).
Cong Wang, Xingliang Yuan, and Chengjun Cai, "An Electronic Storage System and A Method of Data Management", US Patent Application filed with the USPTO on 6 June 2017, with application no. 15/614,905. Data source from CityU KTO with case no. PWG/PA/540/3/2017 (US).
Cong Wang, Sarana Nutanong, Xingliang Yuan, Xinyu Wang, and Chenyun Yu, "Systems and Methods for Privacy-assured Similarity Joins over Encrypted Datasets", US Patent Application filed with the USPTO on 7 December 2016, with application no. 15/371,953. Data source from CityU KTO with case no. PWG/PA/504/9/2016 (US).
Xingliang Yuan, Yu Guo, Xinyu Wang, and Cong Wang, "Method for Operating a Distributed Key-Value Store", US Patent Application filed with the USPTO on 10 April 2017 with application no. 15/483,052. Data source from CityU KTO with case no. PWG/PA/520/11/2016 (US).
Kurt Partridge, Ersin Uzun, Cong Wang, and Manas Pathak, "Privacy-Preserving Behavior Targeting for Digital Coupons", US patent, granted US8874485 B2, Oct 28, 2014. Online at http://www.google.com/patents/US8874485.
Manas Pathak, Richard Chow, Elaine Shi, and Cong Wang, "Privacy-preserving Collaborative Filtering", US Patent, granted US8478768 B1, Jul 2, 2013. Online at https://www.google.com/patents/US8478768.

Group Members

Current Students

PhD students: Yifeng Zheng (2015.07~, next position: Postdoctoral Fellow at CSIRO Data61, Sydney, Australia), Xinyu Wang (2016.06~), Huayi Duan (2016.09~), Chengjun Cai (2017.09~), Jing Yao (XJTU-CityU, 2014.09~), Shengshan Hu (WuhanU-CityU, 2016.09~), Yuefeng Du (2018.08~), Xiangyi Meng (2018.08~).
Postdoc researcher: Helei Cui (2018.09~, next position: Associate Professor at Northwestern Polytechnical University), Cheng Tan (2018.09~), Yu Guo (2019.01~).
Research assistant: Anxin Zhou (2018.09~).

Alumni (Full List)

Xingliang Yuan, PhD, 2016, first employment: Lecturer (Assistant professor), Monash University, Australia.
Jinghua Jiang, PhD, 2017, first employment: Senior engineer, Baidu Shenzhen, China.
Chengcheng Dai, PhD, 2017, first employment: Research engineer, Huawei Hangzhou, China.
Yu Zhang, Postdoc, 2016~2017, current employment: Lecturer (Assistant professor), Deakin University, Australia.
Zhenkui Shi, PhD, 2018, first employment: Lecturer, Guangxi Normal University, China.

Selected Awards and Honors

Best Paper Award for IEEE ICPADS 2019, "Towards Privacy-Preserving Malware Detection Systems for Android", by H. Cui, Y. Zhou, C. Wang, Q. Li, and K. Ren.
Outstanding Supervisor Award, City University of Hong Kong, 2017 (Awarded on 11 Dec. 2017)
Join the Founding Members of the Young Academy of Sciences of Hong Kong, 2017.
The President's Awards 2016, City University of Hong Kong, 2017.
Best Student Paper Award for IEEE ICDCS 2017, "You Can Hear But You Cannot Steal: Defending Against Voice Impersonation Attacks on Smartphones", by S. Chen, K. Ren, S. Piao, C. Wang, Q. Wang, J. Weng, L. Su, and A. Mohaisen.
Best Paper Award for IEEE MSN 2015, "Towards Secure and Practical Targeted Mobile Advertising", by J. Jiang, X. Gui, Z. Shi, X. Yuan, and C. Wang.
No. 1 top accessed article in INFOCOM'10 (1 out of 276 accepted papers), since 2010.
No. 1 top accessed article in ICDCS'10 (1 out of 84 accepted papers), since 2010.

Selected Recent Grants

"Towards Trustworthy and Secure Outsourced Middleboxes", GRF, PI, Duration: 2018.01~2020.12.
"Security and Privacy-enhancing Technologies for Cloud Storage of Big Data", CRF, Co-I, Duration: 2017.06~2020.05.
"Towards Privacy-assured Network-assisted Content Dissemination", GRF, PI, Duration: 2017.01~2019.12.
"Secure and Privacy-assured Image Services Outsourcing in Cloud Computing", GRF ECS Grant, PI, Duration: 2014.01~2016.11.

Teaching

Course materials available at CityU Canvas.

CS 6290, Privacy-enhancing Technologies (TPg), Semester B, 2017-2019, Course Leader
CS 5222, Computer Networks and Internet (TPg), Semester A, 2012-2019, Course Leader
CS 4293, Topics on Computer Security (Ug), Semester B, 2013, 2015-2019, Course Leader
CS 5293, Topics on Information Security (TPg), Semester B, 2013, 2015-2017, Course Leader
GE 2323, Mobile Social Networks: Practices, Challenges, and Beyond (Ug), Semester B, 2013, Course Leader
CS 3391, Advanced Programming (Ug), Semester B, 2015-2017, Co-instructor

Selected Professional Services

Editorships

Join the Editorial Board as Associate Editor of IEEE Transactions on Dependable and Secure Computing (TDSC), Jan. 2019
Join the Editorial Board as Associate Editor of IEEE Internet of Things Journal (IoT-J), 2018
Join the inaugural Editorial Board of IEEE Networking Letters (start publication in 2019), 2018
Guest Editor, IEEE Internet of Things Journal (IoT-J), Special Issue on Security and Privacy Protection for Big Data and IoT, 2017

Conference Organizing Committee

TPC Co-Chair, The 14th IEEE International Conference on Networking, Architecture, and Storage (NAS 2019)
TPC Co-Chair, The 3rd IEEE Conference on Dependable and Secure Computing (DSC 2019)
TPC Co-Chair, The 12th International Conference on Network and System Security (NSS 2018)
TPC Co-Chair, The 5th International Workshop on Security in Cloud Computing (SCC), in conjunction with the 12th ACM Asia Conference on Computer and Communications Security (ASIACCS 2017)
TPC Co-Chair, Communication and Information Systems Security Symposium (CISS), The IEEE International Conference on Communications (ICC 2017)
TPC Co-Chair, The 15th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom 2016)
TPC Co-Chair, The 13th Annual IEEE Consumer Communications & Networking Conference (CCNC 2016)
Local Arrangement Chair, Information Security and Privacy in Social Networks and Cloud Computing (ASI 2014), Hong Kong, Dec 2014
TPC Co-Chair, The 10th International Wireless Communication and Mobile Computing Conference 2014 (IWCMC Security Symposium)

Technical Program Committee Member

IEEE INFOCOM (2014, 2015 2016, 2017, 2018, 2019), IEEE ICC (2014, 2016, 2017), IEEE Military Communications Conference (IEEE MILCOM 2012, 2013, 2014, 2015, 2016, 2017), and IEEE Global Communications Conference (IEEE Globecom 2012, 2013, 2014, 2015, 2016, 2017, 2019), IEEE ICDCS (2015, 2016, 2017, 2019), IEEE CNS (2015, 2016), ESORICS (2015, 2016, 2017, 2018, 2019), SECURECOMM (2016, 2017, 2018), ACM AsiaCCS (2016, 2017, 2019), etc.

Some Useful Links

Computer Security Conference Ranking and Statistic
- http://jianying.space/conference-ranking.html, ranked by a quantitative metric, Conference Impact Factor (CIF), proposed and maintained by Dr. Jianying Zhou
- http://faculty.cs.tamu.edu/guofei/sec_conf_stat.htm
Networking Conferences Statistics (http://www.cs.ucsb.edu/~almeroth/conf/stats/)
A Wiki for Calls For Papers (http://www.wikicfp.com/cfp/)