98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include "sdk_config.h"
|
|
#include "nordic_common.h"
|
|
|
|
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && \
|
|
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON) && \
|
|
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON_ECC_ED25519)
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
|
|
#include "nrf_crypto_ecc.h"
|
|
#include "nrf_crypto_rng.h"
|
|
#include "nrf_crypto_eddsa.h"
|
|
#include "ocrypto_ed25519.h"
|
|
|
|
|
|
ret_code_t nrf_crypto_backend_ed25519_sign(
|
|
void * p_context,
|
|
nrf_crypto_ecc_private_key_t const * p_private_key,
|
|
uint8_t const * p_message,
|
|
size_t message_size,
|
|
uint8_t * p_signature)
|
|
{
|
|
ocrypto_ed25519_sign(p_signature,
|
|
p_message,
|
|
message_size,
|
|
p_private_key->key_ed25519.private_part,
|
|
p_private_key->key_ed25519.public_part);
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
ret_code_t nrf_crypto_backend_ed25519_verify(
|
|
void * p_context,
|
|
nrf_crypto_ecc_public_key_t const * p_public_key,
|
|
uint8_t const * p_message,
|
|
size_t message_size,
|
|
uint8_t const * p_signature)
|
|
{
|
|
int result;
|
|
|
|
result = ocrypto_ed25519_verify(p_signature,
|
|
p_message,
|
|
message_size,
|
|
p_public_key->key_ed25519.key);
|
|
|
|
if (result != 0)
|
|
{
|
|
return NRF_ERROR_CRYPTO_ECDSA_INVALID_SIGNATURE;
|
|
}
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_OBERON_ECC_ED25519)
|