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5 papers · 2 filters
Auditing Data Provenance in Text-Generation Models
Congzheng Song, Vitaly Shmatikov
To help enforce data-protection regulations such as GDPR and detect unauthorized uses of personal data, we develop a new \emph{model auditing} technique that helps users check if t…
More is Less: Perfectly Secure Oblivious Algorithms in the Multi-Server Setting
T-H. Hubert Chan, Jonathan Katz, Kartik Nayak +2
The problem of Oblivious RAM (ORAM) has traditionally been studied in a single-server setting, but more recently the multi-server setting has also been considered. Yet it is still…
Synesthesia: Detecting Screen Content via Remote Acoustic Side Channels
Daniel Genkin, Mihir Pattani, Roei Schuster +1
We show that subtle acoustic noises emanating from within computer screens can be used to detect the content displayed on the screens. This sound can be picked up by ordinary micro…
Ekiden: A Platform for Confidentiality-Preserving, Trustworthy, and Performant Smart Contract Execution
Raymond Cheng, Fan Zhang, Jernej Kos +6
Smart contracts are applications that execute on blockchains. Today they manage billions of dollars in value and motivate visionary plans for pervasive blockchain deployment. While…
When Textbook RSA is Used to Protect the Privacy of Hundreds of Millions of Users
Jeffrey Knockel, Thomas Ristenpart, Jedidiah Crandall
We evaluate Tencent's QQ Browser, a popular mobile browser in China with hundreds of millions of users---including 16 million overseas, with respect to the threat model of a man-in…