What is a TrustZone?
What is a TrustZone? TrustZone is a security extension integrated by ARM into the Corex-A processor. Today, ARM TrustZone is an integral part of all modern mobile devices. As seen on Android-based Nexus/Pixel phones, TrustZone components are integrated in bootloader, radio, vendor and system Android images. What is TrustZone security? Abstract—ARM TrustZone is a hardware security extension technology, which aims to provide secure execution environment by splitting computer resources between two execution worlds, namely normal world and secure world. Why do we need TrustZone? TrustZone for Cortex-A TrustZone is used on billions of application processors to protect high-value code and...