esp-idf/components/esp_hw_support/include/esp_dpa_protection.h

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/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ESP_CRYPTO_DPA_SEC_LEVEL_OFF = 0, /*!< DPA protection disabled */
ESP_CRYPTO_DPA_SEC_LEVEL_LOW, /*!< DPA protection level low */
ESP_CRYPTO_DPA_SEC_LEVEL_MIDDLE, /*!< DPA protection level medium */
ESP_CRYPTO_DPA_SEC_LEVEL_HIGH, /*!< DPA protection level high */
} esp_crypto_dpa_sec_level_t;
/**
* @brief Enable DPA (Differential Power Analysis) related protection
*
* @note
* Enabling the DPA protection can help to make it difficult to perform SCA
* attacks on the crypto peripherals. However, based on the security level
* set there will be a performance impact, higher the level higher the impact.
* Please refer to the TRM for more details.
*
* @param level DPA Security Level of type `esp_crypto_dpa_sec_level_t`
*/
void esp_crypto_dpa_protection_enable(esp_crypto_dpa_sec_level_t level);
/**
* @brief Disable DPA (Differential Power Analysis) related protection
*/
void esp_crypto_dpa_protection_disable(void);
#ifdef __cplusplus
}
#endif