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xiaozhengsheng
2025-08-19 09:49:41 +08:00
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commit 6df0f7d96e
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components/libraries/crypto/backend/cc310/cc310_backend_ecdsa.c Normal file
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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.
*
*/
#include "sdk_config.h"
#include "nordic_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
#include <string.h>
#include "ssi_pal_types.h"
#include "ssi_pal_mem.h"
#include "sns_silib.h"
#include "crys_rnd.h"
#include "crys_ecpki_ecdsa.h"
#include "crys_ecpki_error.h"
#include "crys_kdf_error.h"
#include "crys_hash_error.h"
#include "nrf_crypto_error.h"
#include "nrf_crypto_ecc_shared.h"
#include "nrf_crypto_ecdsa_shared.h"
#include "nrf_crypto_ecdsa.h"
#include "cc310_backend_ecdsa.h"
#include "cc310_backend_shared.h"
#include "cc310_backend_mutex.h"
#define CC310_SHA1_DIGEST_SIZE (160 / 8) /**< @internal @brief Digest size of SHA-1 */
#define CC310_SHA224_DIGEST_SIZE (224 / 8) /**< @internal @brief Digest size of SHA-224 */
#define CC310_SHA256_DIGEST_SIZE (256 / 8) /**< @internal @brief Digest size of SHA-256 */
#define CC310_SHA384_DIGEST_SIZE (384 / 8) /**< @internal @brief Digest size of SHA-384 */
#define CC310_SHA512_DIGEST_SIZE (512 / 8) /**< @internal @brief Digest size of SHA-512 */
/** @internal @brief Returns enum value of @ref CRYS_ECPKI_HASH_OpMode_t based on provided hash size.
*
* @param[in] data_size Hash size
* @return Value from @ref CRYS_ECPKI_HASH_OpMode_t or CRYS_ECPKI_HASH_OpModeLast if
* cannot find implemented hash with provided size.
*/
static CRYS_ECPKI_HASH_OpMode_t hash_mode_from_size(uint32_t data_size)
{
CRYS_ECPKI_HASH_OpMode_t hash_mode;
switch (data_size)
{
case CC310_SHA1_DIGEST_SIZE:
hash_mode = CRYS_ECPKI_AFTER_HASH_SHA1_mode;
break;
case CC310_SHA224_DIGEST_SIZE:
hash_mode = CRYS_ECPKI_AFTER_HASH_SHA224_mode;
break;
case CC310_SHA256_DIGEST_SIZE:
hash_mode = CRYS_ECPKI_AFTER_HASH_SHA256_mode;
break;
case CC310_SHA384_DIGEST_SIZE:
hash_mode = CRYS_ECPKI_AFTER_HASH_SHA384_mode;
break;
case CC310_SHA512_DIGEST_SIZE:
hash_mode = CRYS_ECPKI_AFTER_HASH_SHA512_mode;
break;
default:
hash_mode = CRYS_ECPKI_HASH_OpModeLast;
break;
}
return hash_mode;
}
ret_code_t nrf_crypto_backend_cc310_sign(
void * p_context,
void const * p_private_key,
uint8_t const * p_data,
size_t data_size,
uint8_t * p_signature)
{
ret_code_t result;
CRYSError_t crys_error;
uint32_t signature_size;
CRYS_ECPKI_HASH_OpMode_t hash_mode = hash_mode_from_size(data_size);
bool mutex_locked;
nrf_crypto_backend_cc310_sign_context_t * p_ctx =
(nrf_crypto_backend_cc310_sign_context_t *)p_context;
nrf_crypto_backend_cc310_ecc_private_key_t * p_prv =
(nrf_crypto_backend_cc310_ecc_private_key_t *)p_private_key;
nrf_crypto_ecc_curve_info_t const * p_info = p_prv->header.p_info;
if (hash_mode == CRYS_ECPKI_HASH_OpModeLast)
{
return NRF_ERROR_CRYPTO_INPUT_LENGTH;
}
signature_size = p_info->raw_public_key_size;
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
crys_error = CRYS_ECDSA_Sign(p_context,
nrf_crypto_backend_cc310_rng,
&p_ctx->user_context,
&p_prv->private_key,
hash_mode,
(uint8_t *)p_data,
data_size,
p_signature,
&signature_size);
cc310_backend_mutex_unlock();
result = nrf_crypto_backend_cc310_ecc_error_convert(crys_error);
if (result == NRF_SUCCESS && signature_size != p_info->raw_public_key_size)
{
return NRF_ERROR_CRYPTO_INTERNAL;
}
return result;
}
ret_code_t nrf_crypto_backend_cc310_verify(
void * p_context,
void const * p_public_key,
uint8_t const * p_data,
size_t data_size,
uint8_t const * p_signature)
{
ret_code_t result;
CRYSError_t crys_error;
CRYS_ECPKI_HASH_OpMode_t hash_mode = hash_mode_from_size(data_size);
bool mutex_locked;
nrf_crypto_backend_cc310_verify_context_t * p_ctx =
(nrf_crypto_backend_cc310_verify_context_t *)p_context;
nrf_crypto_backend_cc310_ecc_public_key_t * p_pub =
(nrf_crypto_backend_cc310_ecc_public_key_t *)p_public_key;
nrf_crypto_ecc_curve_info_t const * p_info = p_pub->header.p_info;
result = nrf_crypto_backend_cc310_ecc_public_key_convert(p_pub, &p_ctx->key_build_temp_data);
if (result != NRF_SUCCESS)
{
return result;
}
if (hash_mode == CRYS_ECPKI_HASH_OpModeLast)
{
return NRF_ERROR_CRYPTO_INPUT_LENGTH;
}
mutex_locked = cc310_backend_mutex_trylock();
VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
crys_error = CRYS_ECDSA_Verify(&p_ctx->user_context,
&p_pub->key.cc310_public_key,
hash_mode,
(uint8_t *)p_signature,
p_info->raw_public_key_size,
(uint8_t *)p_data,
data_size);
cc310_backend_mutex_unlock();
result = nrf_crypto_backend_cc310_ecc_error_convert(crys_error);
return result;
}
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)