illustration of lock, four asterisks and a shield with a fingerprint on it on a green gradient background

Security, privacy, and cryptography

Leveraging Large Language Models for Automated Proof Synthesis in Rust

photos of PhD students Anunay Kulshrestha and Karan Newatia with a photo of Senior Cryptographer Josh Benaloh in the middle with a microphone icon on a blue and purple gradient background

Intern Insights: Dr. Josh Benaloh with Anunay Kulshrestha and Karan Newatia

Bayes Security (β*, higher better) of DP-SGD against membership and attribute inference on the Adult and Purchase datasets as a function of the number of training steps. The green dashed line shows the corresponding DP budget (ε). Membership and attribute inference curves decrease monotonically as the model is trained for longer and the accuracy and DP budget grow.

Closed-Form Bounds for DP-SGD against Record-level Inference

ProvCam: A Camera Module with Self-Contained TCB for Producing Verifiable Videos

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Publication

Distribution Inference Risks: Identifying and Mitigating Sources of Leakage

Valentin Hartmann, Leo Meynent, Maxime Peyrard, Dimitrios Dimitriadis, Shruti Tople, Robert West

IEEE Conference on Secure and Trustworthy Machine Learning (SatML) | February 2023

Project Project

Tool

CherIoT-ibex: reference implementation of the ISA

cheriot-ibex is a RTL implementation of CHERI ISA based on LowRISC’s Ibex core. More specifically, cheri-ibex is a 32-bit RISC-V microcontroller which implements the CheriIoT ISA extension in addition to RV32IMCB. Same as the original…

GitHub Publication

Tool

CherIoT Sail: formal specification of the ISA

This repository contains an implementation of the CHERIoT ISA in Sail. It contains an executable description of the CHERIoT instruction set that can be used to build an instruction set emulator and also prove properties…

GitHub Publication

Tool

CherIoT RTOS and software stack

This repository contains the core RTOS components for the CHERIoT research platform. This is currently a research project that has been open-sourced to enable wider collaboration. It is not yet in a state where it…

GitHub Publication Publication

Publication

UN Handbook on Privacy-Preserving Computation Techniques

David W. Archer, Borja de Balle Pigem, Dan Bogdanov, Mark Craddock, Adria Gascon, Ronald Jansen, Matjaž Jug, Kim Laine, Robert McLellan, Olga Ohrimenko, Mariana Raykova, Andrew Trask, Simon Wardley

January 2023

Publication

MSWasm: Soundly Enforcing Memory-Safe Execution of Unsafe Code

Alexandra E. Michael, Anitha Gollamudi, Jay Bosamiya, Evan Johnson, Aidan Denlinger, Craig Disselkoen, Conrad Watt, Bryan Parno, Marco Patrignani, Marco Vassena, Deian Stefan

Principles of Programming Languages (POPL) | January 2023

Publication

TROJANPUZZLE: Covertly Poisoning Code-Suggestion Models

Hojjat Aghakhani, Wei Dai, Andre Manoel, Xavier Fernandes, Anant Kharkar, Christopher Kruegel, Giovanni Vigna, David Evans, Ben Zorn, Robert Sim

January 2023

Publication

ASN1*: Provably Correct Non-Malleable Parsing for ASN.1 DER

Haobin Ni, Antoine Delignat-Lavaud, Cédric Fournet, Tahina Ramananandro, Nikhil Swamy

Certified Programs and Proofs | January 2023

Project

Publication

FastVer2: A Provably Correct Monitor for Concurrent, Key-Value Stores

Arvind Arasu, Tahina Ramananandro, Aseem Rastogi, Nikhil Swamy, Aymeric Fromherz, Kesha Hietala, Bryan Parno, Ravi Ramamurthy

Certified Programs and Proofs | January 2023

Project

Zeta: Towards Zero-Trust Applications

A client using a cloud service today trusts the cloud provider to implement and run the service correctly. A service typically depends on millions of lines of code, a multitude of engineers developing the software,…

Security, privacy, and cryptography

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