esp-idf/components/bootloader_support
Angus Gratton a479ee30c9 secure boot: Add boot check for SBV2 "check app signature on update"
As this mode uses the public keys attached to the existing app's signatures to
verify the next app, checking that a signature block is found on boot prevents
the possibility of deploying a non-updatable device from the factory.
2021-03-17 17:08:59 +08:00
..

Bootloader Support Component
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Overview
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"Bootloader support" contains APIs which are used by the bootloader but are also needed for the main app.

Code in this component needs to be aware of being executed in a bootloader environment (no RTOS available, BOOTLOADER_BUILD macro set) or in an esp-idf app environment (RTOS running, need locking support.)