alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-04 07:16:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(bootloader_support): Permanently enable XTS-AES pseudo rounds when FE release mode is enabled

Browse Source
This commit is contained in:
harshal.patil
2025-01-17 10:56:59 +05:30
parent 248de17a53
commit f3e87bb60e
13 changed files with 131 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
components/bootloader_support/src/flash_encrypt.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -12,6 +12,9 @@
#include "esp_flash_encrypt.h"
#include "esp_secure_boot.h"
#include "hal/efuse_hal.h"
#include "hal/spi_flash_encrypted_ll.h"
#include "hal/spi_flash_encrypt_hal.h"
#include "soc/soc_caps.h"
#if CONFIG_IDF_TARGET_ESP32
#define CRYPT_CNT ESP_EFUSE_FLASH_CRYPT_CNT
@@ -211,6 +214,13 @@ void esp_flash_encryption_set_release_mode(void)
#endif // CONFIG_SOC_FLASH_ENCRYPTION_XTS_AES_128_DERIVED
#endif // !CONFIG_IDF_TARGET_ESP32
#ifdef SOC_FLASH_ENCRYPTION_XTS_AES_SUPPORT_PSEUDO_ROUND
if (spi_flash_encrypt_ll_is_pseudo_rounds_function_supported()) {
uint8_t xts_pseudo_level = ESP_XTS_AES_PSEUDO_ROUNDS_LOW;
esp_efuse_write_field_blob(ESP_EFUSE_XTS_DPA_PSEUDO_LEVEL, &xts_pseudo_level, ESP_EFUSE_XTS_DPA_PSEUDO_LEVEL[0]->bit_count);
}
#endif
#ifdef CONFIG_IDF_TARGET_ESP32
esp_efuse_write_field_bit(ESP_EFUSE_WR_DIS_DIS_CACHE);
#else
@@ -457,6 +467,17 @@ bool esp_flash_encryption_cfg_verify_release_mode(void)
}
result &= secure;
#if SOC_FLASH_ENCRYPTION_XTS_AES_SUPPORT_PSEUDO_ROUND
if (spi_flash_encrypt_ll_is_pseudo_rounds_function_supported()) {
uint8_t xts_pseudo_level = 0;
esp_efuse_read_field_blob(ESP_EFUSE_XTS_DPA_PSEUDO_LEVEL, &xts_pseudo_level, ESP_EFUSE_XTS_DPA_PSEUDO_LEVEL[0]->bit_count);
if (!xts_pseudo_level) {
result &= false;
ESP_LOGW(TAG, "Not enabled XTS-AES pseudo rounds function (set XTS_DPA_PSEUDO_LEVEL->1 or more)");
}
}
#endif
return result;
}
#endif // not CONFIG_IDF_TARGET_ESP32