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app_update: Add API for getting sha256_of_partition

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Added bootloader_common_get_sha256_of_partition() and esp_partition_get_sha256() - get or calculate SHA-256
digest for app and data partitions.
Added bootloader_sha256_hex_to_str() - helps to print SHA-256 digest
Added esp_partition_check_identity() - compares two partitions by SHA-256 digest

Refactoring a function esp_image_load() in bootloader space to esp_image_verify() and
bootloader_load_image(). Old name function esp_image_load is deprecated
and will remove in V4.0 version.

spi_flash/sim: Fix error test_host. Add stub for bootloader_common_get_sha256_of_partition in sim/stubs
This commit is contained in:
Konstantin Kondrashov
2018-05-30 14:08:00 +05:00
parent 886bf4b88e
commit 117c79eae5
17 changed files with 354 additions and 26 deletions
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components/app_update/include/esp_ota_ops.h
+1 -1
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@@ -133,7 +133,7 @@ esp_err_t esp_ota_set_boot_partition(const esp_partition_t* partition);
* If the OTA data partition is not present or not valid then the result is the first app partition found in the
* partition table. In priority order, this means: the factory app, the first OTA app slot, or the test app partition.
*
* Note that there is no guarantee the returned partition is a valid app. Use esp_image_load(ESP_IMAGE_VERIFY, ...) to verify if the
* Note that there is no guarantee the returned partition is a valid app. Use esp_image_verify(ESP_IMAGE_VERIFY, ...) to verify if the
* returned partition contains a bootable image.
*
* @return Pointer to info for partition structure, or NULL if partition table is invalid or a flash read operation failed. Any returned pointer is valid for the lifetime of the application.