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feat/secure_boot_v2: Adding docs for secure boot v2 ESP32-ECO3

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Supreet Deshpande
2020-02-25 01:24:16 +05:30
parent b79606ca37
commit 073ba0a608
17 changed files with 323 additions and 33 deletions
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docs/en/api-reference/system/app_image_format.rst
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@@ -62,7 +62,7 @@ For more details on the type of memory segments and their address ranges, see th
3. The image has a single checksum byte after the last segment. This byte is written on a sixteen byte padded boundary, so the application image might need padding.
4. If the ``hash_appended`` field from :cpp:type:`esp_image_header_t` is set then a SHA256 checksum will be appended. The value of SHA256 is calculated on the range from first byte and up to this field. The length of this field is 32 bytes.
5. If the options :ref:`CONFIG_SECURE_SIGNED_APPS_NO_SECURE_BOOT` or :ref:`CONFIG_SECURE_BOOT_ENABLED` are enabled then the application image will have additional 68 bytes for an ECDSA signature, which includes:
5. If the options :ref:`CONFIG_SECURE_SIGNED_APPS_SCHEME` is set to ECDSA then the application image will have additional 68 bytes for an ECDSA signature, which includes:
* version word (4 bytes),
* signature data (64 bytes).