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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 MICRO_ECC_BACKEND_ECC_H__
- #define MICRO_ECC_BACKEND_ECC_H__
- #include "sdk_config.h"
- #include "nordic_common.h"
- #if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC)
- #include <stdint.h>
- #include <stdbool.h>
- #include "nrf_crypto_ecc_shared.h"
- #include "uECC.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- /** @internal See @ref nrf_crypto_backend_ecc_key_pair_generate_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_key_pair_generate(
- void * p_context,
- void * p_private_key,
- void * p_public_key);
- /** @internal See @ref nrf_crypto_backend_ecc_public_key_calculate_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_public_key_calculate(
- void * p_context,
- void const * p_private_key,
- void * p_public_key);
- /** @internal See @ref nrf_crypto_backend_ecc_private_key_from_raw_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_private_key_from_raw(
- void * p_private_key,
- uint8_t const * p_raw_data);
- /** @internal See @ref nrf_crypto_backend_ecc_private_key_to_raw_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_private_key_to_raw(
- void const * p_private_key,
- uint8_t * p_raw_data);
- /** @internal See @ref nrf_crypto_backend_ecc_public_key_from_raw_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_public_key_from_raw(
- void * p_public_key,
- uint8_t const * p_raw_data);
- /** @internal See @ref nrf_crypto_backend_ecc_public_key_to_raw_fn_t.
- */
- ret_code_t nrf_crypto_backend_micro_ecc_public_key_to_raw(
- void const * p_public_key,
- uint8_t * p_raw_data);
- /** @internal @brief Represents common uECC backend key structure.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[1]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_micro_ecc_common_key_t;
- /** @internal @brief Callback RNG function that can be provided to uECC API.
- * @param dest Destination buffer.
- * @param size Size of the buffer.
- * @return 1 on success, 0 on error.
- */
- int nrf_crypto_backend_micro_ecc_rng_callback(uint8_t * dest, unsigned size);
- /** @internal @brief Gets uECC type based on provided key.
- * @param p_key uECC backend key (public or private).
- * @return uECC specific value representing a curve.
- */
- uECC_Curve nrf_crypto_backend_micro_ecc_curve_get(
- nrf_crypto_backend_micro_ecc_common_key_t const * p_key);
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP192R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_ECC_SECP192R1)
- #error "More than one backend enabled for secp192r1 (NIST 192-bit).");
- #endif
- #define NRF_CRYPTO_ECC_SECP192R1_ENABLED 1
- /** @internal @brief Structure holding private key for secp192r1 (NIST 192-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[192 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp192r1_private_key_t;
- /** @internal @brief Structure holding public key for secp192r1 (NIST 192-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[2 * 192 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp192r1_public_key_t;
- // Aliases for one common micro-ecc implementation
- #define nrf_crypto_backend_secp192r1_key_pair_generate nrf_crypto_backend_micro_ecc_key_pair_generate
- #define nrf_crypto_backend_secp192r1_public_key_calculate nrf_crypto_backend_micro_ecc_public_key_calculate
- #define nrf_crypto_backend_secp192r1_private_key_from_raw nrf_crypto_backend_micro_ecc_private_key_from_raw
- #define nrf_crypto_backend_secp192r1_private_key_to_raw nrf_crypto_backend_micro_ecc_private_key_to_raw
- #define nrf_crypto_backend_secp192r1_public_key_from_raw nrf_crypto_backend_micro_ecc_public_key_from_raw
- #define nrf_crypto_backend_secp192r1_public_key_to_raw nrf_crypto_backend_micro_ecc_public_key_to_raw
- #define nrf_crypto_backend_secp192r1_private_key_free NULL
- #define nrf_crypto_backend_secp192r1_public_key_free NULL
- #define NRF_CRYPTO_BACKEND_SECP192R1_KEY_PAIR_GENERATE_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_SECP192R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE 0
- // Dummy typedef for unused context
- typedef uint32_t nrf_crypto_backend_secp192r1_key_pair_generate_context_t;
- typedef uint32_t nrf_crypto_backend_secp192r1_public_key_calculate_context_t;
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP192R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP224R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_ECC_SECP224R1)
- #error "More than one backend enabled for secp224r1 (NIST 224-bit).");
- #endif
- #define NRF_CRYPTO_ECC_SECP224R1_ENABLED 1
- /** @internal @brief Structure holding private key for secp224r1 (NIST 224-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[224 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp224r1_private_key_t;
- /** @internal @brief Structure holding public key for secp224r1 (NIST 224-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[2 * 224 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp224r1_public_key_t;
- // Aliases for one common micro-ecc implementation
- #define nrf_crypto_backend_secp224r1_key_pair_generate nrf_crypto_backend_micro_ecc_key_pair_generate
- #define nrf_crypto_backend_secp224r1_public_key_calculate nrf_crypto_backend_micro_ecc_public_key_calculate
- #define nrf_crypto_backend_secp224r1_private_key_from_raw nrf_crypto_backend_micro_ecc_private_key_from_raw
- #define nrf_crypto_backend_secp224r1_private_key_to_raw nrf_crypto_backend_micro_ecc_private_key_to_raw
- #define nrf_crypto_backend_secp224r1_public_key_from_raw nrf_crypto_backend_micro_ecc_public_key_from_raw
- #define nrf_crypto_backend_secp224r1_public_key_to_raw nrf_crypto_backend_micro_ecc_public_key_to_raw
- #define nrf_crypto_backend_secp224r1_private_key_free NULL
- #define nrf_crypto_backend_secp224r1_public_key_free NULL
- #define NRF_CRYPTO_BACKEND_SECP224R1_KEY_PAIR_GENERATE_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_SECP224R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE 0
- // Dummy typedef for unused context
- typedef uint32_t nrf_crypto_backend_secp224r1_key_pair_generate_context_t;
- typedef uint32_t nrf_crypto_backend_secp224r1_public_key_calculate_context_t;
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP224R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP256R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_ECC_SECP256R1)
- #error "More than one backend enabled for secp256r1 (NIST 256-bit).");
- #endif
- #define NRF_CRYPTO_ECC_SECP256R1_ENABLED 1
- /** @internal @brief Structure holding private key for secp256r1 (NIST 256-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[256 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp256r1_private_key_t;
- /** @internal @brief Structure holding public key for secp256r1 (NIST 256-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[2 * 256 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp256r1_public_key_t;
- // Aliases for one common micro-ecc implementation
- #define nrf_crypto_backend_secp256r1_key_pair_generate nrf_crypto_backend_micro_ecc_key_pair_generate
- #define nrf_crypto_backend_secp256r1_public_key_calculate nrf_crypto_backend_micro_ecc_public_key_calculate
- #define nrf_crypto_backend_secp256r1_private_key_from_raw nrf_crypto_backend_micro_ecc_private_key_from_raw
- #define nrf_crypto_backend_secp256r1_private_key_to_raw nrf_crypto_backend_micro_ecc_private_key_to_raw
- #define nrf_crypto_backend_secp256r1_public_key_from_raw nrf_crypto_backend_micro_ecc_public_key_from_raw
- #define nrf_crypto_backend_secp256r1_public_key_to_raw nrf_crypto_backend_micro_ecc_public_key_to_raw
- #define nrf_crypto_backend_secp256r1_private_key_free NULL
- #define nrf_crypto_backend_secp256r1_public_key_free NULL
- #define NRF_CRYPTO_BACKEND_SECP256R1_KEY_PAIR_GENERATE_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_SECP256R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE 0
- // Dummy typedef for unused context
- typedef uint32_t nrf_crypto_backend_secp256r1_key_pair_generate_context_t;
- typedef uint32_t nrf_crypto_backend_secp256r1_public_key_calculate_context_t;
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP256R1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP256K1)
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_ECC_SECP256K1)
- #error "More than one backend enabled for secp256k1 (Koblitz 256-bit).");
- #endif
- #define NRF_CRYPTO_ECC_SECP256K1_ENABLED 1
- /** @internal @brief Structure holding private key for secp256k1 (Koblitz 256-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[256 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp256k1_private_key_t;
- /** @internal @brief Structure holding public key for secp256k1 (Koblitz 256-bit) in micro-ecc.
- */
- typedef struct
- {
- nrf_crypto_internal_ecc_key_header_t header; /**< @internal @brief Common ECC key header */
- uint32_t key[2 * 256 / 32]; /**< @internal @brief micro-ecc specific key representation */
- } nrf_crypto_backend_secp256k1_public_key_t;
- // Aliases for one common micro-ecc implementation
- #define nrf_crypto_backend_secp256k1_key_pair_generate nrf_crypto_backend_micro_ecc_key_pair_generate
- #define nrf_crypto_backend_secp256k1_public_key_calculate nrf_crypto_backend_micro_ecc_public_key_calculate
- #define nrf_crypto_backend_secp256k1_private_key_from_raw nrf_crypto_backend_micro_ecc_private_key_from_raw
- #define nrf_crypto_backend_secp256k1_private_key_to_raw nrf_crypto_backend_micro_ecc_private_key_to_raw
- #define nrf_crypto_backend_secp256k1_public_key_from_raw nrf_crypto_backend_micro_ecc_public_key_from_raw
- #define nrf_crypto_backend_secp256k1_public_key_to_raw nrf_crypto_backend_micro_ecc_public_key_to_raw
- #define nrf_crypto_backend_secp256k1_private_key_free NULL
- #define nrf_crypto_backend_secp256k1_public_key_free NULL
- #define NRF_CRYPTO_BACKEND_SECP256K1_KEY_PAIR_GENERATE_CONTEXT_SIZE 0
- #define NRF_CRYPTO_BACKEND_SECP256K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE 0
- // Dummy typedef for unused context
- typedef uint32_t nrf_crypto_backend_secp256k1_key_pair_generate_context_t;
- typedef uint32_t nrf_crypto_backend_secp256k1_public_key_calculate_context_t;
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC_ECC_SECP256K1)
- #ifdef __cplusplus
- }
- #endif
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MICRO_ECC)
- #endif // MICRO_ECC_BACKEND_ECC_H__
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