Contact Info
(773) 702-0805
Crerar 353


Focus Areas: Applied and Theoretical Cryptography, Computer Security, Theoretical Computer Science

I do research in cryptography, computer security, and theoretical computer science. Recently I have worked on building and analyzing systems for securely navigating encrypted data, constructing quantum-secure cryptography, and proving foundational results in theoretical cryptography.


Security & Privacy

Understanding and defending against emerging threats in our increasingly computational world


The mathematical foundations of computation, including algorithm design, complexity and logic

Labs & Groups

Systems Group

A vibrant, collaborative research community with diverse, synergistic research interests spanning systems, programming languages and software engineering, software and hardware...

Awards & Honors

Keynote Speaker, NSS
Research Fellow at Simons Institute
Best Paper, Eurocrypt
Best Paper, Eurocrypt
Georgia Tech Fellowship
NSF Fellowship

News & Events

UChicago CS News

High School Students in College Prep Program Visit UChicago CS

Aug 23, 2022
Past Event

Riad Wahby (Stanford) – Probabilistic Proofs: Theory, Hardware, and Everything in Between

Apr 14, 2021
In the News

Q&A: Asst. Prof. Blase Ur on Contact Tracing Tech and Privacy

May 21, 2020
Past Event

Kristin Lauter (Microsoft Research) – Private AI

CERES Unstoppable Speaker Series
Oct 28, 2019
Past Event

Tom Ristenpart (Cornell) – Computer Security for Victims of Intimate Partner Violence

May 16, 2019
UChicago CS News

CompileHer Capstone Grants Girls Tech Superpowers

May 13, 2019
Past Event

Frank Li (UC Berkeley) – Improving Security at an Internet Scale: A Data-Driven Approach

Feb 27, 2019
UChicago CS News

Cryptography and Cybersecurity Expert David Cash Joins CS Faculty

Feb 12, 2018
UChicago CS News

New Computer Science Faculty Bring Expertise in Security, Big Data, Mobile Networking and HCI

Nov 08, 2017
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