alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 12:35:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

bootloader: Support Flash Encryption for ESP32-C2

Browse Source
This commit is contained in:
KonstantinKondrashov
2022-05-04 19:04:56 +08:00
committed by BOT
parent d11af9051b
commit 505e18237a
17 changed files with 293 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
components/bootloader_support/include/esp_flash_encrypt.h
View File

@@ -85,6 +85,49 @@ bool esp_flash_encryption_enabled(void);
*/
esp_err_t esp_flash_encrypt_check_and_update(void);
/** @brief Returns the Flash Encryption state and prints it
*
* @return True - Flash Encryption is enabled
* False - Flash Encryption is not enabled
*/
bool esp_flash_encrypt_state(void);
/** @brief Checks if the first initialization was done
*
* If the first initialization was done then FLASH_CRYPT_CNT != 0
*
* @return true - the first initialization was done
* false - the first initialization was NOT done
*/
bool esp_flash_encrypt_initialized_once(void);
/** @brief The first initialization of Flash Encryption key and related eFuses
*
* @return ESP_OK if all operations succeeded
*/
esp_err_t esp_flash_encrypt_init(void);
/** @brief Encrypts flash content
*
* @return ESP_OK if all operations succeeded
*/
esp_err_t esp_flash_encrypt_contents(void);
/** @brief Activates Flash encryption on the chip
*
* It burns FLASH_CRYPT_CNT eFuse based on the CONFIG_SECURE_FLASH_ENCRYPTION_MODE_RELEASE option.
*
* @return ESP_OK if all operations succeeded
*/
esp_err_t esp_flash_encrypt_enable(void);
/** @brief Returns True if the write protection of FLASH_CRYPT_CNT is set
*
* @param print_error Print error if it is write protected
*
* @return true - if FLASH_CRYPT_CNT is write protected
*/
bool esp_flash_encrypt_is_write_protected(bool print_error);
/** @brief Encrypt-in-place a block of flash sectors
*