alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-10-17 09:14:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

bootloader: Adds bootloader_sha256_flash_contents()

Browse Source
This commit is contained in:
KonstantinKondrashov
2020-08-06 15:22:26 +08:00
parent e3edc15f94
commit a6dc125aec
7 changed files with 56 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
components/bootloader_support/include_bootloader/bootloader_flash.h
View File

@@ -22,6 +22,7 @@
#define FLASH_SECTOR_SIZE 0x1000
#define FLASH_BLOCK_SIZE 0x10000
#define MMAP_ALIGNED_MASK 0x0000FFFF
/* Provide a Flash API for bootloader_support code,
that can be used from bootloader or app code.
@@ -35,7 +36,7 @@
*
* @return Number of free pages
*/
uint32_t bootloader_mmap_get_free_pages();
uint32_t bootloader_mmap_get_free_pages(void);
/**
* @brief Map a region of flash to data memory

2
components/bootloader_support/include_bootloader/bootloader_sha.h
View File

@@ -26,7 +26,7 @@
typedef void *bootloader_sha256_handle_t;
bootloader_sha256_handle_t bootloader_sha256_start();
bootloader_sha256_handle_t bootloader_sha256_start(void);
void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len);

14
components/bootloader_support/include_bootloader/bootloader_utility.h
View File

@@ -86,3 +86,17 @@ __attribute__((noreturn)) void bootloader_reset(void);
* 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);
/** @brief Generates the digest of the data between offset & offset+length.
*
* This function should be used when the size of the data is larger than 3.2MB.
* The MMU capacity is 3.2MB (50 pages - 64KB each). This function generates the SHA-256
* of the data in chunks of 3.2MB, considering the MMU capacity.
*
* @param[in] flash_offset Offset of the data in flash.
* @param[in] len Length of data in bytes.
* @param[out] digest Pointer to buffer where the digest is written, if ESP_OK is returned.
*
* @return ESP_OK if secure boot digest is generated successfully.
*/
esp_err_t bootloader_sha256_flash_contents(uint32_t flash_offset, uint32_t len, uint8_t *digest);