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

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This commit is contained in:
Supreet Deshpande
2020-02-25 01:21:41 +05:30
parent c65b67115a
commit a9ccc5e5c8
34 changed files with 950 additions and 185 deletions
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14
components/bootloader_support/include_bootloader/bootloader_utility.h
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@@ -108,3 +108,17 @@ esp_err_t bootloader_sha256_hex_to_str(char *out_str, const uint8_t *in_array_he
* @param label Label to print at beginning of log line.
*/
void bootloader_debug_buffer(const void *buffer, size_t length, const char *label);
/** @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);