vivo Internet Technology
Apr 5, 2023 · Information Security
TrustZone Architecture: Hardware-Level Privacy Protection for Smartphones
TrustZone implements a hardware‑level privacy shield for smartphones by partitioning CPU, bus, memory, peripherals and interrupts into a Secure World and a Normal World, using ARMv8 exception levels and extensions such as SCR, TZPC, TZASC, GIC and MMU to isolate user data from non‑secure software.
ARM SecurityMemory ProtectionTEE
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