104 lines
4.3 KiB
C
104 lines
4.3 KiB
C
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/**
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* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_CRYPTO_ECDSA_SHARED_H__
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#define NRF_CRYPTO_ECDSA_SHARED_H__
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#include <stdint.h>
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#include "nordic_common.h"
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#include "nrf_crypto_ecc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @internal @brief Function pointer for backend implementation of ECDSA sign.
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*
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* @note All parameters provided to the backend are vefified in frontend. Verification includes
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* checking of NULL pointers, buffer size, initialization values. Front end also take full care of
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* common ECC key hearder @ref nrf_crypto_internal_ecc_key_header_t.
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*
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* @param[in] p_context Pointer to context.
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* @param[in] p_private_key Pointer to private key.
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* @param[in] p_data Pointer to data to sign. Data can be a message or a hash. It depends
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* on which version of signing functions is pointed by this function
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* pointer.
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* @param[in] data_size Size of @p p_data.
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* @param[out] p_signature Pointer where to put generated signature.
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*/
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typedef ret_code_t (*nrf_crypto_backend_ecdsa_sign_fn_t)(
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void * p_context,
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void const * p_private_key,
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uint8_t const * p_data,
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size_t data_size,
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uint8_t * p_signature);
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/** @internal @brief Function pointer for backend implementation of ECDSA verify.
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*
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* @note All parameters provided to the backend are vefified in frontend. Verification includes
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* checking of NULL pointers, buffer size, initialization values. Front end also take full care of
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* common ECC key hearder @ref nrf_crypto_internal_ecc_key_header_t.
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*
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* @param[in] p_context Pointer to context.
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* @param[in] p_public_key Pointer to public key.
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* @param[in] p_data Pointer to data to verify. Data can be a message or a hash. It depends
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* on which version of signing functions is pointed by this function
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* pointer.
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* @param[in] data_size Size of @p p_data.
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* @param[in] p_signature Pointer to signature to verify.
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*/
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typedef ret_code_t (*nrf_crypto_backend_ecdsa_verify_fn_t)(
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void * p_context,
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void const * p_public_key,
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uint8_t const * p_data,
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size_t data_size,
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uint8_t const * p_signature);
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_CRYPTO_ECDSA_SHARED_H__
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