作者位次 #7/8OSDI 2026Oral· Operating Systems & Distributed Systems
μUSB: Practical and Safe USB Driver Reuse for Arm TrustZone
Xuankai Zhang · Sijin Li · Pei Meng · Meng Wang · Yongzhao Zhang · Ting Chen · Xiaosong Zhang · Liwei Guo
摘要
TrustZone isolates device access with secure I/O, yet lacks support for USB devices, which constitute the most diverse peripherals. Existing approaches to integrate USB drivers into the TEE are impractical due to the complex USB protocols, high-frequency DMA accesses, and varying vendor implement...