ESP-IDF
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Outline
#include "soc/soc_caps.h"
esp_crypto_sha_aes_lock_acquire();
esp_crypto_sha_aes_lock_release();
esp_crypto_mpi_lock_acquire();
esp_crypto_mpi_lock_release();
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_hw_support/include/esp_crypto_lock.h
 
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/* * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #pragma once #include "soc/soc_caps.h" #ifdef __cplusplus extern "C" { #endif #ifdef SOC_HMAC_SUPPORTED /** * @brief Acquire lock for HMAC cryptography peripheral * * Internally also locks the SHA peripheral, as the HMAC depends on the SHA peripheral *//* ... */ void esp_crypto_hmac_lock_acquire(void); /** * @brief Release lock for HMAC cryptography peripheral * * Internally also releases the SHA peripheral, as the HMAC depends on the SHA peripheral *//* ... */ void esp_crypto_hmac_lock_release(void);/* ... */ #endif /* SOC_HMAC_SUPPORTED */ #ifdef SOC_DIG_SIGN_SUPPORTED /** * @brief Acquire lock for DS cryptography peripheral * * Internally also locks the HMAC (which locks SHA), AES and MPI peripheral, as the DS depends on these peripherals *//* ... */ void esp_crypto_ds_lock_acquire(void); /** * @brief Release lock for DS cryptography peripheral * * Internally also releases the HMAC (which locks SHA), AES and MPI peripheral, as the DS depends on these peripherals *//* ... */ void esp_crypto_ds_lock_release(void);/* ... */ #endif /* SOC_DIG_SIGN_SUPPORTED */ #if defined(SOC_SHA_SUPPORTED) || defined(SOC_AES_SUPPORTED) /** * @brief Acquire lock for the SHA and AES cryptography peripheral. * *//* ... */ void esp_crypto_sha_aes_lock_acquire(void); /** * @brief Release lock for the SHA and AES cryptography peripheral. * *//* ... */ void esp_crypto_sha_aes_lock_release(void);/* ... */ #endif /* defined(SOC_SHA_SUPPORTED) || defined(SOC_AES_SUPPORTED) */ #if defined(SOC_SHA_CRYPTO_DMA) || defined(SOC_AES_CRYPTO_DMA) /** * This API should be used by all components which use the SHA, AES, HMAC and DS crypto hardware on the ESP32S2. * They can not be used in parallel because they use the same DMA or are calling each other. * E.g., HMAC uses SHA or DS uses HMAC and AES. See the ESP32S2 Technical Reference Manual for more details. * * Other unrelated components must not use it. *//* ... */ /** * Acquire lock for the AES and SHA cryptography peripherals, which both use the crypto DMA. *//* ... */ void esp_crypto_dma_lock_acquire(void); /** * Release lock for the AES and SHA cryptography peripherals, which both use the crypto DMA. *//* ... */ void esp_crypto_dma_lock_release(void);/* ... */ #endif /* defined(SOC_SHA_CRYPTO_DMA) || defined(SOC_AES_CRYPTO_DMA) */ #ifdef SOC_MPI_SUPPORTED /** * @brief Acquire lock for the mpi cryptography peripheral. * *//* ... */ void esp_crypto_mpi_lock_acquire(void); /** * @brief Release lock for the mpi/rsa cryptography peripheral. * *//* ... */ void esp_crypto_mpi_lock_release(void);/* ... */ #endif /* SOC_MPI_SUPPORTED */ #ifdef SOC_ECC_SUPPORTED /** * @brief Acquire lock for the ECC cryptography peripheral. * *//* ... */ void esp_crypto_ecc_lock_acquire(void); /** * @brief Release lock for the ECC cryptography peripheral. * *//* ... */ void esp_crypto_ecc_lock_release(void);/* ... */ #endif /* SOC_ECC_SUPPORTED */ #ifdef SOC_ECDSA_SUPPORTED /** * @brief Acquire lock for ECDSA cryptography peripheral * * Internally also locks the ECC and MPI peripheral, as the ECDSA depends on these peripherals *//* ... */ void esp_crypto_ecdsa_lock_acquire(void); /** * @brief Release lock for ECDSA cryptography peripheral * * Internally also releases the ECC and MPI peripheral, as the ECDSA depends on these peripherals *//* ... */ void esp_crypto_ecdsa_lock_release(void);/* ... */ #endif /* SOC_ECDSA_SUPPORTED */ #ifdef SOC_KEY_MANAGER_SUPPORTED /** * @brief Acquire lock for Key Manager peripheral * *//* ... */ void esp_crypto_key_manager_lock_acquire(void); /** * @brief Release lock for Key Manager peripheral * *//* ... */ void esp_crypto_key_manager_lock_release(void);/* ... */ #endif /* SOC_KEY_MANAGER_SUPPORTED */ #ifdef __cplusplus }{...} #endif
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