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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_image_metadata_t::image_digest

esp_image_metadata_t::image_digest field

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Declaration

from esp_image_format.h:35

uint8_t image_digest[32];

References

Code

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Referrer

uint8_t image_digest[32]; /* appended SHA-256 digest */

esp_image_format.h:35

memcpy(out_sha_256, data.image_digest, ESP_PARTITION_HASH_LEN);

bootloader_common.c:159

bootloader_common_get_sha256_of_partition()

if (error || memcmp(data.image_digest, calc_sha256, ESP_PARTITION_HASH_LEN) != 0) {

bootloader_common.c:163

bootloader_common_get_sha256_of_partition()

CHECK_ERR(bootloader_flash_read(data->start_addr + data->image_len, &data->image_digest, HASH_LEN, true));

esp_image_format.c:891

process_appended_hash_and_sig()

if (memcmp(data->image_digest, image_hash, HASH_LEN) != 0) {

esp_image_format.c:1053

verify_simple_hash()

bootloader_debug_buffer(data->image_digest, HASH_LEN, "Expected hash");

esp_image_format.c:1055

verify_simple_hash()

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Data Use

esp_image_metadata_t::image_digest is read by 2 functions:

esp_image_metadata_t::image_digest

bootloader_common_get_sha256_of_partition()

verify_simple_hash()

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