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4ac351247d
esp-idf/components/bootloader_support
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Mahavir Jain 4ac351247d secure_boot_v2: fix issue in pre-flashed digest (manual) workflow 
This commit fixes issue where empty (unprogrammed) digest slot out of
multiple supported (e.g. 3 for ESP32-C3) could cause issue in
workflow enablement process.

Notes:

1. This issue was applicable for chips supporting "secure-boot-v2"
scheme with multiple digests slots
2. This issue was affecting only manual workflow, where digest of
public was pre-flashed in efuse
3. Change in "flash_encrypt.c" is only for additional safety purpose
2021-11-08 12:48:12 +08:00
..
include add flash and PSRAM CS IO acquire function 2021-09-15 20:34:17 +08:00
include_bootloader bootloader: Enable clock glitch detection 2021-09-02 12:25:12 +05:30
src secure_boot_v2: fix issue in pre-flashed digest (manual) workflow 2021-11-08 12:48:12 +08:00
test bootloader: update copyright notice 2021-05-10 04:58:34 +02:00
CMakeLists.txt bootloader: Enable clock glitch detection 2021-09-02 12:25:12 +05:30
component.mk esp32h2: code clean up 2021-07-01 19:53:50 +08:00
Makefile.projbuild Secure boot: Correctly re-sign if signing key changes, better error if missing 2016-12-01 23:49:12 -08:00
README.rst Refactor existing bootloader common functionality into bootloader_support component 2016-11-02 17:58:41 +11:00

README.rst 

Bootloader Support Component
============================

Overview
--------

"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.)