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InfoResearchPeer-reviewed

Building Confidential Accelerator Computing Environment for Arm CCA

Source
IEEE Xplore (Security & AI Journals)(opens in a new tab)
Published
Record updated

Summary

CAGE is a system that adds confidential accelerator computing to Arm's Confidential Computing Architecture (CCA), which isolates workloads in realms. It introduces a shadow task mechanism to manage accelerator applications within CCA's realm-style design and uses CCA's memory isolation to protect data confidentiality and integrity. Implemented without hardware changes on a unified-memory GPU and a generic FPGA, it shows moderate overhead in evaluation.