kopia lustrzana https://github.com/espressif/esp-idf
44 wiersze
1.0 KiB
C
44 wiersze
1.0 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 ESP32S2.
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* They can not be used in parallel because they use the same DMA or are calling each other.
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* E.g., HMAC uses SHA or DS uses HMAC and AES. See the ESP32S2 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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* Acquire lock for the AES and SHA cryptography peripherals, which both use the crypto DMA.
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*/
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void esp_crypto_dma_lock_acquire(void);
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/**
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* Release lock for the AES and SHA cryptography peripherals, which both use the crypto DMA.
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*/
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void esp_crypto_dma_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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