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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/bootloader_support/include_bootloader/bootloader_sha.h
+24
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@@ -22,6 +22,7 @@
#include <stdint.h>
#include <stdlib.h>
#include "esp_err.h"
typedef void *bootloader_sha256_handle_t;
@@ -30,3 +31,26 @@ bootloader_sha256_handle_t bootloader_sha256_start();
void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len);
void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest);
/**
* @brief Converts an array to a printable string.
*
* This function is useful for printing SHA-256 digest.
* \code{c}
* // Example of using. image_hash will be printed
* #define HASH_LEN 32 // SHA-256 digest length
* ...
* char hash_print[HASH_LEN * 2 + 1];
* hash_print[HASH_LEN * 2] = 0;
* bootloader_sha256_hex_to_str(hash_print, image_hash, HASH_LEN);
* ESP_LOGI(TAG, %s", hash_print);
* \endcode
* @param[out] out_str Output string
* @param[in] in_array_hex Pointer to input array
* @param[in] len Length of input array
*
* @return ESP_OK: Successful
* ESP_ERR_INVALID_ARG: Error in the passed arguments
*/
esp_err_t bootloader_sha256_hex_to_str(char *out_str, const uint8_t *in_array_hex, size_t len);