University of Illinois at Urbana-Champaign
The Grainger College of Engineering
Computer Science
Ling Ren
Ling Ren
Assistant Professor
(217) 244-0761
4312 Siebel Center for Comp Sci

For More Information

Education

  • Ph.D., Computer Science, Massachusetts Institute of Technology, 2018

Academic Positions

  • University of Illinois Urbana-Champaign, Assistant Professor, 2019 – present

Research Interests

  • Security and Privacy
  • Secure Distributed Algorithms
  • Cryptography

Research Areas

Selected Articles in Journals

  • Emil Stefanov, Marten van Dijk, Elaine Shi, Christopher Fletcher, LING REN, Xiangyao Yu, and Srinivas Devadas. A retrospective on path ORAM. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), 2020.
  • LING REN, Christopher Fletcher, Albert Kwon, Marten van Dijk, and Srinivas Devadas. Design and implementation of the Ascend secure processor. IEEE Transactions on Dependable and Secure Computing (TDSC), 2019.
  • Emil Stefanov, Marten van Dijk, Elaine Shi, T-H. Hubert Chan, Christopher Fletcher, LING REN, Xiangyao Yu, and Srinivas Devadas. Path ORAM: an extremely simple oblivious RAM protocol. Journal of the ACM (JACM), 2018.

Articles in Conference Proceedings

  • Sourav Das, Thomas Yurek, Zhuolun Xiang, Andrew Miller, Lefteris Kokoris-Kogias, and LING REN. Practical asynchronous distributed key generation. IEEE Symposium on Security and Privacy (S&P). 2022.
  • Muhammad Haris Mughees, Hao Chen, and LING REN. OnionPIR: Response efficient single-server PIR. ACM Conference on Computer & Communications Security (CCS). 2021.
  • Sourav Das, Zhuolun Xiang, and LING REN. Asynchronous data dissemination and its applications. ACM Conference on Computer & Communications Security (CCS). 2021.
  • Atsuki Momose and LING REN. Optimal communication complexity of authenticated Byzantine agreement. International Symposium on Distributed Computing (DISC). 2021.
  • Ittai Abraham, Kartik Nayak, LING REN, and Zhuolun Xiang. Good-case latency of Byzantine broadcast: a complete categorization. ACM Symposium on Principles of Distributed Computing (PODC). 2021.
  • Ittai Abraham, Dahlia Malkhi, Kartik Nayak, LING REN, and Maofan Yin. Sync HotStuff: Simple and practical synchronous state machine replication. IEEE Symposium on Security and Privacy (S&P). 2020.
  • Hao Chen, Ilaria Chillotti, and LING REN. Onion Ring ORAM: Efficient constant bandwidth oblivious RAM from (leveled) TFHE. ACM Conference on Computer & Communications Security (CCS). 2019.
  • Ittai Abraham, Srinivas Devadas, Danny Dolev, Kartik Nayak, and LING REN. Synchronous Byzantine agreement with expected O(1) rounds, expected O(n2) communication, and optimal resilience. Interna-tional Conference on Financial Cryptography and Data Security (FC). 2019.
  • Emil Stefanov, Marten van Dijk, Elaine Shi, Christopher Fletcher, LING REN, Xiangyao Yu, and Srinivas Devadas. Path ORAM: an extremely simple oblivious RAM protocol. ACM Conference on Computer & Communications Security (CCS). 2013.

Recent Courses Taught

  • CS 461 (ECE 422) - Computer Security I
  • CS 591 SP - Security and Privacy
  • CS 598 CAL (CS 598 FTD, CS 598 LR) - Consensus Algorithms
  • ECE 526 (CS 539) - Distributed Algorithms

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