Talks and Poster Presentations
Seminars, Conferences, and Workshops
- New Techniques for Preimage Sampling: NIZKs and More from LWE
Shonan Workshop on Encrypted Computation – Oct 2024    Kanagawa, Japan
- Adaptively-Sound SNARGs for NP from Indistinguishability Obfuscation
Charles River Crypto Day – Sep 2024 Cambridge, MA
- Distributed Broadcast Encryption from Lattices
CMU Workshop on Cryptography – Sep 2024 Pittsburgh, PA
- Private Information Retrieval: Recent Advances and Challenges
TW-US Joint Workshop on Resilient Networks and AI for Cybersecurity – Jun 2024 Taipei, Taiwan
- Succinct Functional Commitments for Circuits from k-Lin
Academia Sinica – Jun 2024 Taipei, Taiwan
Eurocrypt – May 2024 Zürich, Switzerland
- Lattice-Based Functional Commitments: Constructions and Cryptanalysis
ENSL/CWI/KCL/IRISA Joint Cryptography Seminar – Jun 2024 London, United Kingdom
CHARM Seminar – May 2024
Tsinghua University – Dec 2023 Beijing, China
- Removing Trust Assumptions from Advanced Encryption Schemes
TPLC: Theory and Practice of Laconic Cryptography – May 2024 Invited Keynote Zürich, Switzerland
Chinacrypt – Dec 2023 Invited Keynote Guangzhou, China
- Lattice-Based Functional Commitments: Fast Verification and Cryptanalysis
Asiacrypt – Dec 2023 Guangzhou, China
- How to Use (Plain) Witness Encryption: Registered ABE, Flexible Broadcast, and More
Berkeley Crypto Reading Group – May 2023 Berkeley, CA
- Succinct Vector, Polynomial, and Functional Commitments from Lattices
Lattices Meet Hashes Workshop – May 2023 Lausanne, Switzerland
Eurocrypt – Apr 2023 Lyon, France
Bay Area Crypto Day – Apr 2023 Sunnyvale, CA
FAU Crypto Café – Mar 2023
CMU CyLab Crypto Seminar – Mar 2023 Pittsburgh, PA
UMD Crypto Reading Group – Mar 2023 College Park, MD
- Computing on Private Data: Private Genomics and More
CATT Global Analytics Conference – Nov 2022
- Multi-Authority ABE from Lattices without Random Oracles
Theory of Cryptography Conference (TCC) – Nov 2022 Chicago, IL
- Registered Attribute-Based Encryption
NYU Crypto Reading Group – Oct 2022 New York, NY
- Batch Arguments for NP and More from Standard Bilinear Group Assumptions
UT Austin Theory Seminar – Sep 2022 Austin, TX
Crypto – Aug 2022 Santa Barbara, CA
Stanford Security Seminar – May 2022 Stanford, CA
Charles River Crypto Day – Apr 2022 Boston, MA
- Spiral: Fast High-Rate Single-Server Private Information Retrieval
EPFL Summer Research Institute – Jul 2023 Lausanne, Switzerland
Google Research (New York) – Oct 2022 New York, NY
Berkeley Crypto Reading Group – May 2022 Berkeley, CA
MIT – Apr 2022 Cambridge, MA
- Traceable PRFs: Full Collusion Resistance and Active Security
Practice and Theory of Public-Key Cryptography (PKC) – Mar 2022
- Beyond Software Watermarking: Traitor-Tracing for Pseudorandom Functions
Asiacrypt – Dec 2021
- Post-Quantum Designated Verifier zkSNARKs from Lattices
CWI Crypto Seminar – Oct 2021
Monash Cybersecurity Seminar – Sep 2021
- Collusion Resistant Trace-and-Revoke for Arbitrary Identities from Standard Assumptions
AriC Joint Online Crypto Seminar – Mar 2021
- On Succinct Arguments and Witness Encryption from Groups
UCLA Crypto Seminar – Dec 2020
Berkeley Crypto Reading Group – Sep 2020
- Can Verifiable Delay Functions be Based on Random Oracles?
International Colloquium on Automata, Languages, and Programming (ICALP) – Jul 2020
- New Constructions of Statistical NIZKs: Dual-Mode DV-NIZKs and More
Eurocrypt – May 2020
- Watermarking and Traitor Tracing for PRFs
Simons Institute Lattices Seminar – Apr 2020
- Computing with Lattices: Commitments, Signatures, and Zero-Knowledge
Simons Institute Workshop on Lattices – Mar 2020
- Watermarking PRFs from Lattices via Extractable PRFs
DC Area Crypto Day – Oct 2019 Richmond, VA
- Order-Revealing Encryption: Definitions, Constructions, and Challenges
ICERM Workshop on Encrypted Search – Jun 2019 Providence, RI
- New Constructions of Reusable Designated-Verifier NIZKs
ENS de Lyon Crypto Session – Jul 2019 Lyon, France
ENS – Jul 2019 Paris, France
UT Austin Theory Seminar – Apr 2019 Austin, TX
DC Area Crypto Day – Apr 2019 Gaithersburg, MD
- Exploring Crypto Dark Matter: New Simple PRF Candidates and Their Applications
Lower Bounds in Cryptography Workshop – Jul 2019 Bertinoro, Italy
Tel Aviv University – Nov 2018 Tel Aviv, Israel
Weizmann Institute of Science – Nov 2018 Rehovot, Israel
Technion Theory Lunch – Oct 2018 Haifa, Israel
- Multi-Theorem Preprocessing NIZKs from Lattices
Chinese Academy of Sciences – Jul 2018 Beijing, China
NTT Secure Platform Laboratories – Jul 2018 Tokyo, Japan
Visa Research – Jul 2018 Palo Alto, CA
Bay Area Crypto Day – May 2018 Stanford, CA
- Lattice-Based Non-Interactive Argument Systems
University of Tokyo – Jul 2018 Tokyo, Japan
PhD Thesis Defense – May 2018 Stanford, CA
- Protecting Patient Privacy in Genomic Analysis
ADRF Network Research Conference – Nov 2018 Washington, D.C.
Danhua Capital (DHVC) Research Workshop – Aug 2018 Palo Alto, CA
Tsinghua University – Jul 2018 Beijing, China
Stanford Computer Forum Affiliates Meeting – Apr 2018 Stanford, CA
- Security and Privacy through Modern Cryptography
Visa Research – Apr 2018 Palo Alto, CA
University of Toronto – Mar 2018 Toronto, Canada
University of Virginia – Mar 2018 Charlottesville, VA
UCLA – Feb 2018 Los Angeles, CA
- Quasi-Optimal SNARGs via Linear Multi-Prover Interactive Proofs
Eurocrypt – May 2018 Tel Aviv, Israel
Bay Area Crypto Day – Nov 2017 Berkeley, CA
Charles River Crypto Day – Nov 2017 Boston, MA
- Constrained Keys for Invertible Pseudorandom Functions
Theory of Cryptography Conference (TCC) – Nov 2017 Baltimore, MD
Boston University – Nov 2017 Boston, MA
Center for Encrypted Functionalities Seminar – Oct 2017
- Watermarking Cryptographic Functionalities from Standard Lattice Assumptions
CMU Theory Lunch – Nov 2017 Pittsburgh, PA
NYU Crypto Reading Group – Oct 2017 New York, NY
Crypto – Aug 2017 Santa Barbara, CA
Eurocrypt Rump Session – May 2017 Paris, France
- Lattice-Based SNARGs and Their Application to More Efficient Obfuscation
DIMACS Workshop on Outsourcing Computation Securely – Jul 2017 New Brunswick, NJ
Eurocrypt – May 2017 Paris, France
Bay Area Crypto Day – Apr 2017 Palo Alto, CA
- Order-Revealing Encryption: New Constructions, Applications, and Lower Bounds
Ivy+ IT Audit Conference – Jun 2017 Stanford, CA
Stanford Computer Forum Affiliates Meeting – Apr 2017 Stanford, CA
Visa Research – Dec 2016 Palo Alto, CA
DIMACS/CEF Workshop on Cryptography and Software Obfuscation – Nov 2016 Stanford, CA
ACM Conference on Computer and Communications Security (CCS) – Oct 2016 Vienna, Austria
Stanford Security Lunch – Oct 2016 Stanford, CA
Privacy Enhancing Technologies Symposium (PETS) Rump Session – Jul 2016 Darmstadt, Germany
- Functional Encryption: Deterministic to Randomized Functions from Simple Assumptions
Eurocrypt – May 2017 Paris, France
Stanford Security Lunch – Apr 2017 Stanford, CA
Berkeley Theory Lunch – Apr 2017 Berkeley, CA
UCLA Crypto Seminar – Sep 2016 Los Angeles, CA
Crypto Rump Session – Aug 2016 Santa Barbara, CA
- Privately Evaluating Decision Trees and Random Forests
Privacy Enhancing Technologies Symposium (PETS) – Jul 2016 Darmstadt, Germany
Stanford Security Lunch – Dec 2014 Stanford, CA
- Privacy, Discovery, and Authentication for the Internet of Things
Stanford Secure Internet of Things Retreat – Jun 2017 Santa Cruz, CA
Stanford SystemX Alliance Fall Conference – Nov 2016 Stanford, CA
European Symposium on Research in Computer Security (ESORICS) – Sep 2016 Heraklion, Greece
Stanford SystemX Alliance Spring Conference – May 2016 Stanford, CA
Stanford Computer Forum Affiliates Meeting – Apr 2016 Stanford, CA
Bay Area Security Research Summit – Apr 2016 San Francisco, CA
- Practical Order-Revealing Encryption with Limited Leakage
Stanford Data Science Initiative Workshop on Data Science for Biomedicine – Apr 2016  Stanford, CA
Fast Software Encryption (FSE) – Mar 2016 Bochum, Germany
Stanford Security Lunch – Jan 2016 Stanford, CA
- Constraining Pseudorandom Functions Privately
University of Waterloo CrySP Speaker Series on Privacy – May 2016 Waterloo, Canada
UCLA Crypto Seminar – Mar 2016 Los Angeles, CA
Bay Area Crypto Day – Nov 2015 Berkeley, CA
- Privacy-Preserving Shortest Path Computation
Network and Distributed System Security Symposium (NDSS) – Feb 2016 San Diego, CA
Encryption for Secure Search and Other Algorithms (ESSA) – Jun 2015 Bertinoro, Italy
Stanford Secure Internet of Things Retreat – Jun 2015 Half Moon Bay, CA
Bay Area Security Research Summit – Apr 2015 San Francisco, CA
Stanford Security Lunch – Apr 2015 Stanford, CA
- Homomorphic Encryption for Genomic Analysis
Stanford Data Science Initiative Monthly Meeting – May 2016 Stanford, CA
iDASH Privacy and Security Workshop – Mar 2015 San Diego, CA
- Computing on Encrypted Data
Stanford Secure Internet of Things Seminar – Jan 2015 Stanford, CA
- Private Database Queries using Somewhat Homomorphic Encryption
MSR Summer Crypto Lunch – Jun 2014 Redmond, WA
Applied Cryptography and Network Security (ACNS) – Jun 2013 Banff, Canada
Informal Talks
- From Secure MPC to Efficient Zero-Knowledge
Stanford Theory Qualifying Exam – Mar 2017 Stanford, CA
- A Somewhat Informal Introduction to FHE
MSR Summer Crypto Lunch – Aug 2014 Redmond, WA
- Somewhat (Practical) Homomorphic Encryption
Stanford Security Lunch – Feb 2014 Stanford, CA
CURIS Poster Session – Aug 2012 Stanford, CA
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