/** * Copyright (c) 2016 - 2017, 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_common.h" #if NRF_MODULE_ENABLED(NRF_CRYPTO) #include "nrf_crypto_keys.h" #include "nrf_crypto_mem.h" #if NRF_CRYPTO_BACKEND_CC310_LIB #include "cc310_lib_keys.h" #endif #if NRF_CRYPTO_BACKEND_MICRO_ECC #include "micro_ecc_lib_keys.h" #endif uint32_t nrf_crypto_ecc_private_key_size_get(nrf_ecc_curve_type_t curve_type, uint32_t * p_key_size) { if(p_key_size == NULL) { return NRF_ERROR_NULL; } switch(curve_type) { case NRF_CRYPTO_CURVE_SECP160R1: (*p_key_size)= NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP160R1; break; case NRF_CRYPTO_CURVE_SECP192R1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP192R1; break; case NRF_CRYPTO_CURVE_SECP224R1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP224R1; break; case NRF_CRYPTO_CURVE_SECP256R1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP256R1; break; case NRF_CRYPTO_CURVE_SECP384R1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP384R1; break; case NRF_CRYPTO_CURVE_SECP521R1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP521R1; break; case NRF_CRYPTO_CURVE_SECP192K1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP192K1; break; case NRF_CRYPTO_CURVE_SECP224K1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP224K1; break; case NRF_CRYPTO_CURVE_SECP256K1: (*p_key_size) = NRF_CRYPTO_ECC_PRIVATE_KEY_SIZE_SECP256K1; break; default: (*p_key_size) = 0; return NRF_ERROR_NOT_SUPPORTED; } return NRF_SUCCESS; } uint32_t nrf_crypto_ecc_public_key_size_get(nrf_ecc_curve_type_t curve_type, uint32_t * p_key_size) { if(p_key_size == NULL) { return NRF_ERROR_NULL; } switch(curve_type) { case NRF_CRYPTO_CURVE_SECP160R1: (*p_key_size)= NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP160R1; break; case NRF_CRYPTO_CURVE_SECP192R1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP192R1; break; case NRF_CRYPTO_CURVE_SECP224R1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP224R1; break; case NRF_CRYPTO_CURVE_SECP256R1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP256R1; break; case NRF_CRYPTO_CURVE_SECP384R1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP384R1; break; case NRF_CRYPTO_CURVE_SECP521R1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP521R1; break; case NRF_CRYPTO_CURVE_SECP192K1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP192K1; break; case NRF_CRYPTO_CURVE_SECP224K1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP224K1; break; case NRF_CRYPTO_CURVE_SECP256K1: (*p_key_size) = NRF_CRYPTO_ECC_PUBLIC_KEY_SIZE_SECP256K1; break; default: (*p_key_size) = 0; return NRF_ERROR_NOT_SUPPORTED; } return NRF_SUCCESS; } uint32_t nrf_crypto_ecc_private_key_allocate(nrf_crypto_curve_info_t curve_info, nrf_value_length_t * p_private_key, nrf_value_length_t const * p_raw_key) { uint32_t ret_val; uint32_t key_size; if (p_private_key == NULL) { return NRF_ERROR_NULL; } ret_val = nrf_crypto_ecc_private_key_size_get(curve_info.curve_type, &key_size); if (ret_val != NRF_SUCCESS) { return ret_val; } ret_val = nrf_crypto_mem_allocate(key_size, p_private_key); if (ret_val == NRF_SUCCESS) { return ret_val; } return ret_val; } uint32_t nrf_crypto_ecc_private_key_free(nrf_value_length_t * p_private_key) { uint32_t ret_val; if (p_private_key == NULL) { return NRF_ERROR_NULL; } ret_val = nrf_crypto_mem_free(p_private_key); return ret_val; } uint32_t nrf_crypto_ecc_public_key_allocate(nrf_crypto_curve_info_t curve_info, nrf_value_length_t * p_public_key, nrf_value_length_t const * p_raw_key) { uint32_t ret_val; uint32_t key_size; if (p_public_key == NULL) { return NRF_ERROR_NULL; } ret_val = nrf_crypto_ecc_public_key_size_get(curve_info.curve_type, &key_size); if (ret_val != NRF_SUCCESS) { return ret_val; } ret_val = nrf_crypto_mem_allocate(key_size, p_public_key); if (ret_val == NRF_SUCCESS) { return ret_val; } return ret_val; } uint32_t nrf_crypto_ecc_public_key_free(nrf_value_length_t * p_public_key) { uint32_t ret_val; if (p_public_key == NULL) { return NRF_ERROR_NULL; } ret_val = nrf_crypto_mem_free(p_public_key); return ret_val; } #endif // NRF_MODULE_ENABLED(NRF_CRYPTO)