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feat(security): Enable Flash encryption for ESP32P4

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This commit is contained in:
Aditya Patwardhan
2023-11-06 18:54:22 +05:30
committed by Mahavir Jain
parent e09d50d244
commit a84234c23f
9 changed files with 49 additions and 21 deletions
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13
components/bootloader_support/src/flash_encryption/flash_encrypt.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -15,6 +15,11 @@
#include "esp_efuse_table.h"
#include "esp_log.h"
#include "hal/wdt_hal.h"
#if CONFIG_IDF_TARGET_ESP32P4 //TODO-IDF-7925
#include "soc/keymng_reg.h"
#endif
#ifdef CONFIG_SOC_EFUSE_CONSISTS_OF_ONE_KEY_BLOCK
#include "soc/sensitive_reg.h"
#endif
@@ -209,6 +214,12 @@ static esp_err_t check_and_generate_encryption_keys(void)
}
ESP_LOGI(TAG, "Using pre-loaded flash encryption key in efuse");
}
#if CONFIG_IDF_TARGET_ESP32P4 //TODO - IDF-7925
// Force Key Manager to use eFuse key for XTS-AES operation
REG_SET_FIELD(KEYMNG_STATIC_REG, KEYMNG_USE_EFUSE_KEY, 2);
#endif
return ESP_OK;
}