I’m an Assistant Professor in Computer Science at the
NYU Courant
Institute of Mathematical Sciences, and as
Affiliated Interdisciplinary Faculty
at the NYU School of Law.
I do research in computer science and
in technology law and policy, especially related to
security, privacy, and transparency in digital technologies.
I received my J.D. at Harvard Law School,
my Ph.D. in computer science at MIT (advised by Shafi Goldwasser), and my B.A. in computer science at the
University of Cambridge. I am a licensed
attorney in
New York State.
Guide to Security Research Legal Risks,
2024 Update.
In August 2024, Kendra Albert and I released an updated
version of our
Researcher's Guide to Some Legal Risks of Security Research (alternate archived link), which takes into account
the latest legal developments. The Guide is jointly published by the Cyberlaw Clinic at Harvard Law
School, the Technology Law & Policy Clinic at the NYU School of Law, and the Electronic Frontier Foundation (EFF).
See our Cyberlaw Clinic blog post here.
- The Right to Vote Securely [published pdf]
Sunoo Park In the University of Colorado Law Review, Spring 2023. - Compelled Decryption and the Fifth Amendment: Exploring the Technical Boundaries [SSRN] [published pdf]
Aloni Cohen and Sunoo Park In the Harvard Journal of Law and Technology (JOLT), Fall 2018 issue.
Computer Science Publications.
- Scan, Shuffle, Rescan: Two-Prover Election Audits [ePrint]
Douglas W. Jones, Sunoo Park, Ronald L. Rivest, and Adam Sealfon In the 28th Int'l Conference on Financial Cryptography and Data Security (Financial Crypto 2024). - A Systematization of Voter Registration System Security [ePrint] [published pdf]
Jack Cable, Andrés Fábrega, Sunoo Park, and Michael Specter In the Journal of Cybersecurity (2023). - The Superlinearity Problem in Post-Quantum Blockchains [ePrint]
Sunoo Park and Nicholas Spooner In the 27th Int'l Conference on Financial Cryptography and Data Security (Financial Crypto 2023). - Cryptography, Trust, and Privacy: It's Complicated
Ero Balsa, Helen Nissenbaum, and Sunoo Park In the 2nd ACM Symposium on Computer Science and Law (CSLAW 2022). - KeyForge: Non-Attributable Email from Forward-Forgeable Signatures [ePrint]
*Michael Specter, Sunoo Park, and Matthew Green In the 30th USENIX Security Symposium (USENIX Security 2021). - Going from Bad to Worse: from Internet Voting to Blockchain Voting [published pdf]
*Sunoo Park, Michael Specter, Neha Narula, and Ronald L. Rivest In the Journal of Cybersecurity (2021). - Fully Deniable Interactive Encryption [ePrint]
Ran Canetti, Sunoo Park, and Oxana Poburinnaya In the 20th Annual Int'l Cryptology Conference (CRYPTO 2020). - Data Structures Meet Cryptography: 3SUM with Preprocessing [arXiv]
Alexander Golovnev, Siyao Guo, Thibaut Horel, Sunoo Park, and Vinod Vaikuntanathan In the 52nd ACM Symposium on the Theory of Computing (STOC 2020). - It Wasn't Me! Repudiability and Unclaimability of Ring Signatures [ePrint]
Sunoo Park and Adam Sealfon In the 39th Annual Int'l Cryptology Conference (CRYPTO 2019). - How to Subvert Backdoored Encryption: Security Against Adversaries that Decrypt [ePrint]
Thibaut Horel, Sunoo Park, Silas Richelson, and Vinod Vaikuntanathan In the 10th Innovations in Theoretical Computer Science conference (ITCS 2019). - Static-Memory-Hard Functions and Modeling the Cost of Space vs. Time [ePrint]
Thaddeus Dryja, Quanquan C. Liu, and Sunoo Park In the 16th IACR Theory of Cryptography Conference (TCC 2018). - Practical Accountability of Secret Processes [ePrint]
*Jonathan Frankle, Sunoo Park, Daniel Shaar, Shafi Goldwasser, and Daniel J. Weitzner In the 27th USENIX Security Symposium (USENIX Security 2018). - Proactive Secure Multiparty Computation with a Dishonest Majority
Karim Eldefrawy, Rafail Ostrovsky, Sunoo Park, and Moti Yung In the 11th Conference on Security and Cryptography for Networks (SCN 2018). - SpaceMint: A Cryptocurrency Based on Proofs of Space [pdf] [ePrint]
*Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen, and Krzysztof Pietrzak In the 22nd Int'l Conference on Financial Cryptography and Data Security (Financial Crypto 2018). - Public Accountability vs. Secret Laws: Can They Coexist? [ePrint]
Shafi Goldwasser and Sunoo Park In the 16th Workshop on Privacy in the Electronic Society (WPES) at CCS 2017. - Towards Secure Quadratic Voting [pdf] [ePrint]
Sunoo Park and Ronald L. Rivest In Public Choice 2017. - How to Incentivize Data-Driven Collaboration Among Competing Parties [pdf] [ePrint] [arXiv]
Pablo Daniel Azar, Shafi Goldwasser, and Sunoo Park In the 7th Innovations in Theoretical Computer Science Conference (ITCS 2016). - Adaptively Secure Coin-Flipping, Revisited [pdf] [ePrint] [arXiv]
Shafi Goldwasser, Yael Tauman Kalai, and Sunoo Park In the 42nd Int'l Colloquium on Automata, Languages, and Programming (ICALP 2015). - Cryptographically Blinded Games: Leveraging Players' Limitations for Equilibria and Profit [pdf] [arXiv]
Pavel Hubáček and Sunoo Park In the 15th ACM Conference on Economics and Computation (EC 2014).
NB: In computer science, conferences and symposia are peer reviewed,
and they are the primary publication outlets.
In law, journals and law reviews are the primary publication outlets.
Authors are listed alphabetically by last name, except where indicated by an
asterisk.
In spring 2024, I taught a new course,
Digital
Technology Law, at the NYU School of Law.
In fall 2023, I taught:
I am a member of the New York City Bar Association’s Task Force on Digital
Technologies, in the Subcommittee on Generative Artificial Intelligence and the
Law.
My Program Committee service includes:
- IACR Real World Cryptography (RWC) 2025
- ACM Symposium on Computer Science & Law (CSLAW) 2022, 2024, & 2025
- IEEE Security and Privacy (“Oakland”) 2022 & 2023
- IEEE Security and Privacy (“Oakland”) 2022 & 2023
— Research Ethics Committee
- Neural Information Processing Systems (NeurIPS) 2022 & 2023
— Research Ethics Committee
- ACM Conference on Fairness, Accountability, and Transparency (FAccT) 2021
- Journal of Cryptoeconomic Systems 2020
- IACR Theory of Cryptography Conference (TCC) 2020
In the past, I co-organized a Workshop on Encryption, Surveillance, and
Transparency at Johns
Hopkins University in August 2018, in collaboration with Matt Green and Mike Specter.
sunoo·park at nyu·edu
(PGP key / fingerprint)
60 Fifth Avenue, Room 316,
New York, NY 10011,
USA
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