Technical Options for Flexible Hardware-Enabled Guarantees
James Petrie, Onni Aarne

TL;DR
This paper introduces flexHEG, a hardware-integrated system designed to provide verifiable and tamper-proof guarantees on AI accelerator usage, supporting AI governance and security needs.
Contribution
It proposes a novel hardware architecture with a Guarantee Processor and Secure Enclosure for verifiable AI development guarantees, analyzing various implementation options.
Findings
Designs an 'Interlock' architecture for direct data access
Supports basic auditing and advanced automated verification
Lays technical groundwork for hardware-based AI governance
Abstract
Frontier AI models pose increasing risks to public safety and international security, creating a pressing need for AI developers to provide credible guarantees about their development activities without compromising proprietary information. We propose Flexible Hardware-Enabled Guarantees (flexHEG), a system integrated with AI accelerator hardware to enable verifiable claims about compute usage in AI development. The flexHEG system consists of two primary components: an auditable Guarantee Processor that monitors accelerator usage and verifies compliance with specified rules, and a Secure Enclosure that provides physical tamper protection. In this second report of a three part series, we analyze technical implementation options ranging from firmware modifications to custom hardware approaches, with focus on an "Interlock" design that provides the Guarantee Processor direct access to…
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Taxonomy
TopicsAdversarial Robustness in Machine Learning · Security and Verification in Computing · Physical Unclonable Functions (PUFs) and Hardware Security
