This is a personal website of Runhua Xu (许,润华)

I am doing my Ph.D. and working at
LERSAIS
School of Computing and Information
University of Pittsburgh

My advisor is Dr. James B.D. Joshi

... more about me

Curriculum Vitae

Areas of Specialization
secure computing, privacy-preserving collaborative machine learning
applied cryptography, blockchain, access control
security and privacy issues in edge/cloud computing
Education
2015-Present
Ph.D. Student in Information Security, University of Pittsburgh, Pittsburgh, U.S.
2011-2014
M.S. in Computer Science, Beihang University , Beijing, China
2007-2011
B.E. in Software Engineering, Northwestern Polytechnical University, Xi’an, China

Beihang University, previously known as Beijing University of Aeronautics and Astronautics ↩
Publications
2019

Runhua Xu and James B.D. Joshi “Trustworthy and Transparent Third Party Authority.” ( Journal manuscript, under peer review).

[ pdf ]

2019

Runhua Xu, James B.D. Joshi and Prashant Krishnamurthy “An Integrated Privacy Preserving Attribute Based Access Control Framework Supporting Secure Deduplication.” ( Journal manuscript, under peer review).

[ pdf ]

2019

Runhua Xu, Nathalie Baracaldo, Yi Zhou, Ali Anwar and Heiko Ludwig. "HybridAlpha: An Efficient Approach for Privacy-Preserving Federated Learning." In 12th ACM Workshop on Artificial Intelligence and Security(AISec’19), November 15, 2019, London, United Kingdom. ACM 2019. (Accepted)

[ pdf ]

2019

Runhua Xu, James B.D. Joshi and Chao Li. "CryptoNN : Training Neural Networks over Encrypted Data." In The 39th IEEE International Conference on Distributed Computing Systems (ICDCS 2019), Dallas, USA. IEEE 2019.

[ pdf ] [ arXiv ] [ slides ]

2019

Chao Li, Balaji Palanisamy, and Runhua Xu. “Scalable and Privacy-preserving Design of On/Off-chain Smart Contracts.” In The First International Workshop on Blockchain and Data Management (BlockDM 2019), Macau SAR, China, IEEE 2019.

[ pdf ] [ slides ]

2018

Runhua Xu, Balaji Palanisamy and James B.D. Joshi. “QueryGuard: Privacy-preserving Latency-aware Query Optimization for Edge Computing.” In 2018 17th IEEE International Conference on Trust, Security and Privacy in Computing and Communications(TrustCom-18), New York, USA. 2018.

[ pdf ] [ slides ]

2017

Runhua Xu, James B.D. Joshi, Prashant Krishnamurthy and David Tipper. “Insider Threat Mitigation in Attribute based Encryption.” In 9th Annual National Cyber Summit (Research Track), Von Braun Center, Huntsville, AL, USA. 2017.

[ pdf ] [ slides ]

2016

Runhua Xu and James B.D. Joshi. “Enabling Attribute Based Encryption as an Internet Service.” In 2016 IEEE 2nd International Conference on Collaboration and Internet Computing, Pittsburgh, USA. pp. 417-426.IEEE, 2016.

[ pdf ] [ slides ]

2016

Runhua Xu and James B.D. Joshi. “An Integrated Privacy Preserving Attribute Based Access Control Framework.” In 2016 IEEE 9th International Conference on Cloud Computing (IEEE CLOUD 2016) (Research Track), San Francisco, USA. pp. 68-76. IEEE, 2016

[ pdf ] [ slides ]

2015

Runhua Xu, and Bo Lang. “A CP-ABE scheme with hidden policy and its application in cloud computing.” International Journal of Cloud Computing, Advanced Cloud and Big Data. vol. 4, no. 4, pp. 279-298. 2015.

[ pdf ]

2014

Bo Lang, Runhua Xu, and Yawei Duan. “Self-contained Data Protection Scheme Based on CP-ABE.” EBusiness and Telecommunications, Communications in Computer and Information Science. pp. 306-321. 2014

[ pdf ]

2013

Runhua Xu, Yang Wang, and Bo Lang. “A Tree-Based CP-ABE Scheme with Hidden Policy Supporting Secure Data Sharing in Cloud Computing.” In Advanced Cloud and Big Data (CBD), 2013 International Conference on, Nanjing, China. pp. 51-57. IEEE, 2013.

[ pdf ] [ slides ]

2013

Bo Lang, Runhua Xu, and Yawei Duan. “Extending the ciphertext-policy attribute based encryption scheme for supporting flexible access control.” In Security and Cryptography (SECRYPT), 2013 International Conference on, Reykjavik, Iceland. pp. 1-11. IEEE, 2013.

[ pdf ] [ slides ]

2012
Runhua Xu and Bo Lang. “Survey on security model of authenticated key exchange protocols.” The 9th Graduate Students Academic Forum of Beihang University. pp. 434-442. 2012. (in Chinese)


Academia Services & Activities
Journal Review
IEEE Transactions on Information Forensics and Security(TIFS);
IEEE Transactions on Services Computing (TSC);
ACM Transactions on Internet Technology (TOIT);(sub-reviewer)
Conference Review/External Review
IEEE International Conference on Big Data (BigData 2016);
IEEE International Conference on Collaboration and Internet Computing (CIC 2016, 2017, 2018);
IEEE International Conference on Services Computing (SCC 2017);
IEEE International Conference on Smart Computing (SMARTCOMP 2019);
IEEE International Conference on Distributed Computing Systems (ICDCS 2017);
ACM Conference on Data and Application Security and Privacy (CODASPY 2016, 2017);
ACM Symposium on Access Control Models and Technologies (SACMAT 2017, 2019);
ACM International Conference on Information and Knowledge Management (CIKM 2017);
International World Wide Web Conference (WWW 2019);