123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197 |
- /**
- * 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_BL)
- #if defined(NRF_CRYPTO_BACKEND_CC310_BL_ECC_LITTLE_ENDIAN_ENABLED)
- #error The configuration NRF_CRYPTO_BACKEND_CC310_BL_ECC_LITTLE_ENDIAN_ENABLED was removed in SDK 15.1.0. Please see release notes for details on removing this error message.
- #endif // defined(NRF_CRYPTO_BACKEND_CC310_BL_ECC_LITTLE_ENDIAN_ENABLED)
- #include <string.h>
- #include "app_util.h"
- #include "nrf_crypto_error.h"
- #include "nrf_crypto_mem.h"
- #include "nrf_crypto_shared.h"
- #include "cc310_bl_backend_ecdsa.h"
- #include "cc310_bl_backend_shared.h"
- #include "cc310_backend_mutex.h"
- #include "crys_ecpki_error.h"
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP224R1) || \
- NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP256R1)
- static ret_code_t crys_error_to_ret_code(CRYSError_t crys_error)
- {
- switch (crys_error)
- {
- case CRYS_OK:
- return NRF_SUCCESS;
- case CRYS_ECDSA_VERIFY_INCONSISTENT_VERIFY_ERROR:
- return NRF_ERROR_CRYPTO_ECDSA_INVALID_SIGNATURE;
- default:
- break;
- }
- return NRF_ERROR_CRYPTO_INTERNAL;
- }
- #endif
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP224R1)
- STATIC_ASSERT(offsetof(nrf_cc310_bl_ecc_signature_secp224r1_t, r) == 0,
- "Offset of r in nrf_cc310_bl_ecc_signature_secp224r1_t is unexpected");
- STATIC_ASSERT(offsetof(nrf_cc310_bl_ecc_signature_secp224r1_t, s) ==
- NRF_CRYPTO_ECC_SECP224R1_RAW_PRIVATE_KEY_SIZE,
- "Offset of s in nrf_cc310_bl_ecc_signature_secp224r1_t is unexpected");
- ret_code_t nrf_crypto_backend_secp224r1_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;
- bool mutex_locked;
- nrf_crypto_backend_secp224r1_verify_context_t * p_ctx =
- (nrf_crypto_backend_secp224r1_verify_context_t *)p_context;
- nrf_crypto_backend_secp224r1_public_key_t * p_pub =
- (nrf_crypto_backend_secp224r1_public_key_t *)p_public_key;
- p_ctx->user_context.init_val = NRF_CC310_BL_ECDSA_CONTEXT_INITIALIZED;
- mutex_locked = cc310_backend_mutex_trylock();
- VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
- cc310_bl_backend_enable();
- crys_error = nrf_cc310_bl_ecdsa_verify_secp224r1(
- &p_ctx->user_context,
- &p_pub->public_key,
- (nrf_cc310_bl_ecc_signature_secp224r1_t const *)p_signature,
- p_data,
- data_size);
- cc310_bl_backend_disable();
- cc310_backend_mutex_unlock();
- result = crys_error_to_ret_code(crys_error);
- return result;
- }
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP224R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP256R1)
- STATIC_ASSERT(offsetof(nrf_cc310_bl_ecc_signature_secp256r1_t, r) == 0,
- "Offset of r in nrf_cc310_bl_ecc_signature_secp256r1_t is unexpected");
- STATIC_ASSERT(offsetof(nrf_cc310_bl_ecc_signature_secp256r1_t, s) ==
- NRF_CRYPTO_ECC_SECP256R1_RAW_PRIVATE_KEY_SIZE,
- "Offset of s in nrf_cc310_bl_ecc_signature_secp256r1_t is unexpected");
- 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)
- {
- ret_code_t result;
- CRYSError_t crys_error;
- bool mutex_locked;
-
- nrf_crypto_backend_secp256r1_verify_context_t * p_ctx =
- (nrf_crypto_backend_secp256r1_verify_context_t *)p_context;
- nrf_crypto_backend_secp256r1_public_key_t * p_pub =
- (nrf_crypto_backend_secp256r1_public_key_t *)p_public_key;
- p_ctx->user_context.init_val = NRF_CC310_BL_ECDSA_CONTEXT_INITIALIZED;
- mutex_locked = cc310_backend_mutex_trylock();
- VERIFY_TRUE(mutex_locked, NRF_ERROR_CRYPTO_BUSY);
- cc310_bl_backend_enable();
- crys_error = nrf_cc310_bl_ecdsa_verify_secp256r1(
- &p_ctx->user_context,
- &p_pub->public_key,
- (nrf_cc310_bl_ecc_signature_secp256r1_t const *)p_signature,
- p_data,
- data_size);
- cc310_bl_backend_disable();
- cc310_backend_mutex_unlock();
- result = crys_error_to_ret_code(crys_error);
- return result;
- }
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL_ECC_SECP256R1)
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL)
|