Transclusion: CL-SOM-iMX7: U-Boot: Building Secure Images: Overview

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Overview

Executing trusted and authentic code on an applications processor starts with securely booting the device.
The i.MX 7 processors provides this capability with the High Availability Boot (HAB) component of the on-chip ROM. The ROM is responsible for loading the initial program image from the boot medium. HAB enables the ROM to authenticate the U-Boot by using digital signatures.

This article provides a brief set of instructions related to secure boot with CompuLab i.MX7 platforms. For additional details please refer to Secure Boot on i.MX 50, i.MX 53, i.MX 6 and i.MX 7 Series using HABv4.

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