2024
Cryptographic Data Structures: Limitations and Possibilities
Theory Seminar, Columbia University, November 2024Optimal Non-Adaptive Dictionaries and Hashing
ICALP, Tallinn, Estonia, July 2024Lower Bounds for Differentially Private RAMs
Guest Lecture, Carnegie Mellon University, March 20242023
Password Breach Alerting
Guest Lecture, Columbia University, November 2023Private Information Retrieval: Improvements and Limitations
CrySP Seminar, University of Waterloo, November 2023Cryptographic Data Structures: Limitations and Possibilities
Theory Seminar, Brown University, November 2023Cuckoo Hashing in Cryptography: Optimal Parameters, Robustness and Applications
Crypto Seminar, Brown University, October 2023Limits of Breach-Resistant and Snapshot-Oblivious RAMs
CRYPTO, Santa Barbara, August 2023Cuckoo Hashing in Cryptography: Optimal Parameters, Robustness and Applications
CRYPTO, Santa Barbara, August 2023Limits of Breach-Resistant and Snapshot-Oblivious RAMs
Crypto Seminar, New York University, August 2023Cryptographic Data Structures: Limitations and Possibilities
Encryption for Secure Search and Algorithms Workshop, Bertinoro, Italy, June 2023Limits of Preprocessing for Single-Server PIR
Crypto Seminar, MongoDB, New York, May 2023Lower Bounds for (Batch) PIR with Private Preprocessing
EUROCRYPT, Lyon, France, April 2023Lower Bound Framework for Differentially Private and Oblivious Data Structures
EUROCRYPT, Lyon, France, April 20232022
Real-World Deployments of Advanced Cryptography
Security Seminar, Massachusetts Institute of Technology, October 2022Lower Bound Framework for Differentially Private and Oblivious Data Structures
Security Seminar, Boston University, October 2022Mitigating Leakage in Secure Cloud-Hosted Data Structures: Volume Hiding for Multi-Maps via Hashing
Theory and Practice of Encrypted Search, CRYPTO Workshop, August 2022Data Structure Lower Bounds in Cryptography
DIMACS Workshop on Lower Bounds and Frontiers in Data Structures, Rutgers University, August 2022Cryptographic Data Structures: Constructions and Techniques
Seoul National University, May 2022Limits of Preprocessing for Single-Server PIR
Crypto Seminar, Carnegie Mellon University, April 2022Cryptographic Data Structures: Limitations and Possibilities
Crypto Seminar, New York University, February 2022Limits of Preprocessing for Single-Server PIR
SODA, Virtual, January 20222021
Protecting accounts from credential stuffing with password breach alerting
Seminar, Carnegie Mellon University, October 2021Communication-Computation Trade-offs in PIR
USENIX Security, Virtual, July 2021Doubly-Affine Extractors, and Their Applications
ITC, Virtual, July 2021Cryptographic Data Structures: Limitations and Possibilities
Security Seminar, MIT, February 20212020
Lower Bounds for Multi-Server Oblivious RAMs
TCC, Virtual, November 2020Lower Bounds for Encrypted Multi-Maps and Searchable Encryption in the Leakage Cell Probe Model
CRYPTO, Virtual, August 2020Protecting accounts from credential stuffing with password breach alerting
Real World Crypto Symposium, New York City, New York, January 2020Lower Bounds for Oblivious Near-Neighbor Search
SODA, Salt Lake City, Utah, January 20202019
Cell Probe Lower Bounds in Cryptography
Crypto Seminar, University of Washington, November 2019Mitigating Leakage in Secure Cloud-Hosted Data Structures: Volume Hiding for Multi-Maps via Hashing
CCS, London, United Kingdom, November 2019Leakage Cell Probe Model: Lower Bounds for Key-Equality Mitigation in Encrypted Multi-Maps
Crypto Seminar, Cornell Tech, October 2019Private Stateful Information Retrieval
Crypto Seminar, New York University, October 2019Private Stateful Information Retrieval
Crypto Seminar, Columbia University, October 2019Private Stateful Information Retrieval
Oblivious Data Structures and Algorithms Workshop, Bertinoro, Italy, July 2019Lower Bounds for Differentially Private RAMs
Lower Bounds in Cryptography Workshop, Bertinoro, Italy, July 2019What Storage Access Privacy is Achievable with Small Overhead?
PODS, Amsterdam, Netherlands, July 2019Lower Bounds for Differentially Private RAMs
HALG, Copenhagen, Denmark, June 2019Lower Bounds for Differentially Private RAMs
EUROCRYPT, Darmstadt, Germany, May 2019Lower Bounds for Oblivious Near-Neighbor Search
Seminar at Department of Computer Science (Algorithms & Complexity Group), University of Waterloo, May 2019Private Stateful Information Retrieval
Seminar at Department of Computer Science, Boston University, February 20192018
Private Stateful Information Retrieval
Xi'an International Workshop on Blockchain, Xi'an, China, December 2018PanORAMa: Oblivious RAM with Logarithmic Overhead
Theory Seminar at Department of Computer Science, Columbia University, November 2018Private Stateful Information Retrieval
CCS, Toronto, Canada, October 2018PanORAMa: Oblivious RAM with Logarithmic Overhead
NYC Crypto Day, Columbia University, October 2018PanORAMa: Oblivious RAM with Logarithmic Overhead
FOCS, Paris France, October 2018Symmetric Searchable Encryption with Sharing and Unsharing
ESORICS, Barcelona, Spain, September 2018PanORAMa: Oblivious RAM with Logarithmic Overhead
Seminar at Department of Computer Science, Northeastern University, July 2018CacheShuffle: A Family of Oblivious Shuffles
ICALP, Prague, Czechia, July 2018Symmetric Searchable Encryption with Sharing and Unsharing
Seminar at Department of Computer Science, Brown University, February 2018