kopia lustrzana https://github.com/espressif/esp-idf
74 wiersze
1.8 KiB
C
74 wiersze
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* This API should be used by all components which use the SHA, AES, HMAC and DS crypto hardware on the ESP32S3.
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* Not all of them can be used in parallel because they use the same underlying module.
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* E.g., HMAC uses SHA or DS uses HMAC and AES. See the ESP32S3 Technical Reference Manual for more details.
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*
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* Other unrelated components must not use it.
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*/
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/**
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* @brief Acquire lock for Digital Signature(DS) cryptography peripheral
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*
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* Internally also takes the HMAC lock, as the DS depends on the HMAC peripheral
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*/
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void esp_crypto_ds_lock_acquire(void);
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/**
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* @brief Release lock for Digital Signature(DS) cryptography peripheral
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*
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* Internally also releases the HMAC lock, as the DS depends on the HMAC peripheral
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*/
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void esp_crypto_ds_lock_release(void);
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/**
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* @brief Acquire lock for HMAC cryptography peripheral
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*
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* Internally also takes the SHA & AES lock, as the HMAC depends on the SHA peripheral
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*/
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void esp_crypto_hmac_lock_acquire(void);
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/**
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* @brief Release lock for HMAC cryptography peripheral
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*
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* Internally also releases the SHA & AES lock, as the HMAC depends on the SHA peripheral
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*/
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void esp_crypto_hmac_lock_release(void);
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/**
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* @brief Acquire lock for the SHA and AES cryptography peripheral.
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*
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*/
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void esp_crypto_sha_aes_lock_acquire(void);
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/**
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* @brief Release lock for the SHA and AES cryptography peripheral.
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*
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*/
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void esp_crypto_sha_aes_lock_release(void);
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/**
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* Acquire lock for the MPI/RSA cryptography peripheral
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*/
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void esp_crypto_mpi_lock_acquire(void);
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/**
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* Release lock for the MPI/RSA cryptography peripheral
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*/
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void esp_crypto_mpi_lock_release(void);
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#ifdef __cplusplus
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}
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#endif
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