Ling Ren
Ling Ren
Assistant Professor, Computer Science
(217) 244-0761
4312 Siebel Center for Comp Sci

For More Information

Education

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

Academic Positions

  • Assistant Professor, University of Illinois Urbana-Champaign, Department of Computer Science, August 2019 -- present

Research Interests

  • Security and Privacy
  • Secure Distributed Algorithms
  • Cryptography

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) 39(8): 1572-1576, 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) 16(2): 204-216, 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), 65(4): 18:1-18:26, 2018.

Articles in Conference Proceedings

  • Sourav Das, Philippe Camacho, Zhuolun Xiang, Javier Nieto, Benedikt Bunz, and LING REN. Threshold signatures from inner product argument: Succinct, weighted, and multi-threshold. ACM Conference on Computer & Communications Security (CCS), pp 356-370. 2023. (Acceptance rate: 19.9%)
  • Atsuki Momose and LING REN. Constant latency in sleepy consensus. ACM Conference on Computer & Communications Security (CCS), pp 2295-2308. 2022. (Acceptance rate: 22.4%)
  • Dongning Guo and LING REN. Bitcoin’s latency–security analysis made simple. ACM Advances in Financial Technologies (AFT), 244-253. 2022. (Acceptance rate: 28%)
  • 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), pp 2518-2534. 2022. (Acceptance rate: 14.5%)
  • Muhammad Haris Mughees, Hao Chen, and LING REN. OnionPIR: Response efficient single-server PIR. ACM Conference on Computer & Communications Security (CCS), pp 2292-2306. 2021. (Acceptance rate: 22.3%)
  • Sourav Das, Zhuolun Xiang, and LING REN. Asynchronous data dissemination and its applications. ACM Conference on Computer & Communications Security (CCS), pp 2705-2721. 2021. (Acceptance rate: 22.3%)
  • Atsuki Momose and LING REN. Optimal communication complexity of authenticated Byzantine agreement. International Symposium on Distributed Computing (DISC), pp 32:1-32:16. 2021. (Acceptance rate: 28.3%)
  • 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), pp 331-341. 2021. (Acceptance rate: 25%)
  • 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), pp 106-118. 2020. (Acceptance rate: 12.3%)
  • 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), pp 320-334. 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), pp 299-310. 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