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- /**
- * Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #ifndef OBERON_BACKEND_ECDSA_H__
- #define OBERON_BACKEND_ECDSA_H__
- #include "sdk_config.h"
- #include "nordic_common.h"
- #if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON)
- #include <stdint.h>
- #include "nrf_crypto_ecc_shared.h"
- #include "nrf_crypto_ecdsa_shared.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON_ECC_SECP256R1)
- /** @internal See @ref nrf_crypto_backend_ecdsa_sign_fn_t.
- */
- ret_code_t nrf_crypto_backend_secp256r1_sign(
- void * p_context,
- void const * p_private_key,
- uint8_t const * p_data,
- size_t data_size,
- uint8_t * p_signature);
- /** @internal See @ref nrf_crypto_backend_ecdsa_verify_fn_t.
- */
- ret_code_t nrf_crypto_backend_secp256r1_verify(
- void * p_context,
- void const * p_public_key,
- uint8_t const * p_data,
- size_t data_size,
- uint8_t const * p_signature);
- #define NRF_CRYPTO_BACKEND_SECP256R1_SIGN_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_SECP256R1_VERIFY_CONTEXT_SIZE 0
- typedef uint32_t nrf_crypto_backend_secp256r1_sign_context_t;
- typedef uint32_t nrf_crypto_backend_secp256r1_verify_context_t;
- #endif
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON_ECC_CURVE25519)
- // Curve25519 is not designed for ECDSA
- #define NRF_CRYPTO_BACKEND_CURVE25519_SIGN_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_CURVE25519_VERIFY_CONTEXT_SIZE 0
- typedef uint32_t nrf_crypto_backend_curve25519_sign_context_t;
- typedef uint32_t nrf_crypto_backend_curve25519_verify_context_t;
- #define nrf_crypto_backend_curve25519_sign NULL
- #define nrf_crypto_backend_curve25519_verify NULL
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON)
- #endif // OBERON_BACKEND_ECDSA_H__
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