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HL-PDJ-1/components/libraries/crypto/nrf_crypto_ecc.c

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初始版本
2025-08-19 09:49:41 +08:00
/**
* 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 <stdbool.h>
#include <stdint.h>
#include "nordic_common.h"
#include "nrf_crypto_error.h"
#include "nrf_crypto_mem.h"
#include "nrf_crypto_ecc.h"
#include "app_util.h"
#include "sdk_macros.h"
#if NRF_CRYPTO_ECC_ENABLED
#if NRF_CRYPTO_ECC_IMPLEMENTED_CURVES_COUNT > 1
static const nrf_crypto_backend_ecc_key_pair_generate_fn_t key_pair_generate_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_key_pair_generate,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_key_pair_generate,
#endif
};
static const uint16_t key_pair_generate_context_size[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
NRF_CRYPTO_BACKEND_SECP160R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
NRF_CRYPTO_BACKEND_SECP160R2_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
NRF_CRYPTO_BACKEND_SECP192R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
NRF_CRYPTO_BACKEND_SECP224R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
NRF_CRYPTO_BACKEND_SECP256R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
NRF_CRYPTO_BACKEND_SECP384R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
NRF_CRYPTO_BACKEND_SECP521R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
NRF_CRYPTO_BACKEND_SECP160K1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
NRF_CRYPTO_BACKEND_SECP192K1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
NRF_CRYPTO_BACKEND_SECP224K1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
NRF_CRYPTO_BACKEND_SECP256K1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
NRF_CRYPTO_BACKEND_BP256R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
NRF_CRYPTO_BACKEND_BP384R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
NRF_CRYPTO_BACKEND_BP512R1_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
NRF_CRYPTO_BACKEND_CURVE25519_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
NRF_CRYPTO_BACKEND_ED25519_KEY_PAIR_GENERATE_CONTEXT_SIZE,
#endif
};
static const nrf_crypto_backend_ecc_public_key_calculate_fn_t public_key_calculate_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_public_key_calculate,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_public_key_calculate,
#endif
};
static const uint16_t public_key_calculate_context_size[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
NRF_CRYPTO_BACKEND_SECP160R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
NRF_CRYPTO_BACKEND_SECP160R2_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
NRF_CRYPTO_BACKEND_SECP192R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
NRF_CRYPTO_BACKEND_SECP224R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
NRF_CRYPTO_BACKEND_SECP256R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
NRF_CRYPTO_BACKEND_SECP384R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
NRF_CRYPTO_BACKEND_SECP521R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
NRF_CRYPTO_BACKEND_SECP160K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
NRF_CRYPTO_BACKEND_SECP192K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
NRF_CRYPTO_BACKEND_SECP224K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
NRF_CRYPTO_BACKEND_SECP256K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
NRF_CRYPTO_BACKEND_BP256R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
NRF_CRYPTO_BACKEND_BP384R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
NRF_CRYPTO_BACKEND_BP512R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
NRF_CRYPTO_BACKEND_CURVE25519_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
NRF_CRYPTO_BACKEND_ED25519_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE,
#endif
};
static const nrf_crypto_backend_ecc_private_key_from_raw_fn_t private_key_from_raw_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_private_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_private_key_from_raw,
#endif
};
static const nrf_crypto_backend_ecc_private_key_to_raw_fn_t private_key_to_raw_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_private_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_private_key_to_raw,
#endif
};
static const nrf_crypto_backend_ecc_public_key_from_raw_fn_t public_key_from_raw_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_public_key_from_raw,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_public_key_from_raw,
#endif
};
static const nrf_crypto_backend_ecc_public_key_to_raw_fn_t public_key_to_raw_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_public_key_to_raw,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_public_key_to_raw,
#endif
};
static const nrf_crypto_backend_ecc_key_free_fn_t private_key_free_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_private_key_free,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_private_key_free,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_private_key_free,
#endif
};
static const nrf_crypto_backend_ecc_key_free_fn_t public_key_free_impl[] =
{
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
nrf_crypto_backend_secp160r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP160R2_ENABLED
nrf_crypto_backend_secp160r2_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP192R1_ENABLED
nrf_crypto_backend_secp192r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP224R1_ENABLED
nrf_crypto_backend_secp224r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP256R1_ENABLED
nrf_crypto_backend_secp256r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP384R1_ENABLED
nrf_crypto_backend_secp384r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP521R1_ENABLED
nrf_crypto_backend_secp521r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP160K1_ENABLED
nrf_crypto_backend_secp160k1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP192K1_ENABLED
nrf_crypto_backend_secp192k1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP224K1_ENABLED
nrf_crypto_backend_secp224k1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_SECP256K1_ENABLED
nrf_crypto_backend_secp256k1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_BP256R1_ENABLED
nrf_crypto_backend_bp256r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_BP384R1_ENABLED
nrf_crypto_backend_bp384r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_BP512R1_ENABLED
nrf_crypto_backend_bp512r1_public_key_free,
#endif
#if NRF_CRYPTO_ECC_CURVE25519_ENABLED
nrf_crypto_backend_curve25519_public_key_free,
#endif
#if NRF_CRYPTO_ECC_ED25519_ENABLED
nrf_crypto_backend_ed25519_public_key_free,
#endif
};
#define BACKEND_IMPL_GET(table, curve_type) (table)[(uint32_t)(curve_type)]
#else
#if NRF_CRYPTO_ECC_SECP160R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp160r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp160r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp160r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp160r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp160r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp160r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp160r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp160r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP160R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP160R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP160R2_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp160r2_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp160r2_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp160r2_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp160r2_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp160r2_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp160r2_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp160r2_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp160r2_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP160R2_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP160R2_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP192R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp192r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp192r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp192r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp192r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp192r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp192r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp192r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp192r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP192R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP192R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP224R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp224r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp224r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp224r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp224r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp224r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp224r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp224r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp224r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP224R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP224R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP256R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp256r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp256r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp256r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp256r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp256r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp256r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp256r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp256r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP256R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP256R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP384R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp384r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp384r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp384r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp384r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp384r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp384r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp384r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp384r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP384R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP384R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP521R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp521r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp521r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp521r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp521r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp521r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp521r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp521r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp521r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP521R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP521R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP160K1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp160k1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp160k1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp160k1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp160k1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp160k1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp160k1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp160k1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp160k1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP160K1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP160K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP192K1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp192k1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp192k1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp192k1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp192k1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp192k1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp192k1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp192k1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp192k1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP192K1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP192K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP224K1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp224k1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp224k1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp224k1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp224k1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp224k1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp224k1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp224k1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp224k1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP224K1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP224K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_SECP256K1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_secp256k1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_secp256k1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_secp256k1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_secp256k1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_secp256k1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_secp256k1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_secp256k1_private_key_free
#define public_key_free_impl nrf_crypto_backend_secp256k1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_SECP256K1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_SECP256K1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_BP256R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_bp256r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_bp256r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_bp256r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_bp256r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_bp256r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_bp256r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_bp256r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_bp256r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_BP256R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_BP256R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_BP384R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_bp384r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_bp384r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_bp384r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_bp384r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_bp384r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_bp384r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_bp384r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_bp384r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_BP384R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_BP384R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_BP512R1_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_bp512r1_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_bp512r1_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_bp512r1_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_bp512r1_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_bp512r1_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_bp512r1_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_bp512r1_private_key_free
#define public_key_free_impl nrf_crypto_backend_bp512r1_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_BP512R1_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_BP512R1_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_CURVE25519_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_curve25519_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_curve25519_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_curve25519_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_curve25519_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_curve25519_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_curve25519_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_curve25519_private_key_free
#define public_key_free_impl nrf_crypto_backend_curve25519_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_CURVE25519_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_CURVE25519_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#elif NRF_CRYPTO_ECC_ED25519_ENABLED
#define key_pair_generate_impl nrf_crypto_backend_ed25519_key_pair_generate
#define public_key_calculate_impl nrf_crypto_backend_ed25519_public_key_calculate
#define private_key_from_raw_impl nrf_crypto_backend_ed25519_private_key_from_raw
#define private_key_to_raw_impl nrf_crypto_backend_ed25519_private_key_to_raw
#define public_key_from_raw_impl nrf_crypto_backend_ed25519_public_key_from_raw
#define public_key_to_raw_impl nrf_crypto_backend_ed25519_public_key_to_raw
#define private_key_free_impl nrf_crypto_backend_ed25519_private_key_free
#define public_key_free_impl nrf_crypto_backend_ed25519_public_key_free
#define key_pair_generate_context_size \
NRF_CRYPTO_BACKEND_ED25519_KEY_PAIR_GENERATE_CONTEXT_SIZE
#define public_key_calculate_context_size \
NRF_CRYPTO_BACKEND_ED25519_PUBLIC_KEY_CALCULATE_CONTEXT_SIZE
#else
#define key_pair_generate_impl NULL
#define public_key_calculate_impl NULL
#define private_key_from_raw_impl NULL
#define private_key_to_raw_impl NULL
#define public_key_from_raw_impl NULL
#define public_key_to_raw_impl NULL
#define private_key_free_impl NULL
#define public_key_free_impl NULL
#define key_pair_generate_context_size 0
#define public_key_calculate_context_size 0
#endif
#define BACKEND_IMPL_GET(function, curve_type) (function)
#endif
ret_code_t nrf_crypto_internal_ecc_key_output_prepare(
nrf_crypto_ecc_curve_info_t const * p_curve_info,
nrf_crypto_internal_ecc_key_header_t * p_key_header)
{
// Check NULL pointers
VERIFY_TRUE(p_curve_info != NULL, NRF_ERROR_CRYPTO_INPUT_NULL);
VERIFY_TRUE(p_key_header != NULL, NRF_ERROR_CRYPTO_OUTPUT_NULL);
// Clear init value to indicate that this key is not valid yet.
p_key_header->init_value = 0;
// Save curve info inside the header
p_key_header->p_info = p_curve_info;
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_internal_ecc_key_input_check(
nrf_crypto_internal_ecc_key_header_t const * p_key_header,
uint32_t init_value)
{
// Check NULL pointer
VERIFY_TRUE(p_key_header != NULL, NRF_ERROR_CRYPTO_INPUT_NULL);
// Check init value
VERIFY_TRUE(p_key_header->init_value == init_value, NRF_ERROR_CRYPTO_ECC_KEY_NOT_INITIALIZED);
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_internal_ecc_raw_output_prepare(
uint8_t * p_raw_data,
size_t * p_raw_data_size,
size_t expected_size)
{
// Check NULL pointer
VERIFY_TRUE(p_raw_data != NULL, NRF_ERROR_CRYPTO_OUTPUT_NULL);
if (p_raw_data_size != NULL) // User can provide NULL as p_raw_data_size to skip size checking
{
// Check if data fits into buffer
VERIFY_TRUE(*p_raw_data_size >= expected_size, NRF_ERROR_CRYPTO_OUTPUT_LENGTH);
// Provide actual data size
*p_raw_data_size = expected_size;
}
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_internal_ecc_raw_input_check(
uint8_t const * p_raw_data,
size_t raw_data_size,
size_t expected_size)
{
VERIFY_TRUE(p_raw_data != NULL, NRF_ERROR_CRYPTO_INPUT_NULL);
VERIFY_TRUE(raw_data_size == expected_size, NRF_ERROR_CRYPTO_INPUT_LENGTH);
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_ecc_key_pair_generate(
nrf_crypto_ecc_key_pair_generate_context_t * p_context,
nrf_crypto_ecc_curve_info_t const * p_curve_info,
nrf_crypto_ecc_private_key_t * p_private_key,
nrf_crypto_ecc_public_key_t * p_public_key)
{
ret_code_t result;
void * p_allocated_context = NULL;
nrf_crypto_backend_ecc_key_pair_generate_fn_t backend_implementation;
size_t context_size;
// Get pointer to header for each key
nrf_crypto_internal_ecc_key_header_t * p_private_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_private_key;
nrf_crypto_internal_ecc_key_header_t * p_public_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_public_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_output_prepare(p_curve_info, p_private_key_header);
VERIFY_SUCCESS(result);
result = nrf_crypto_internal_ecc_key_output_prepare(p_curve_info, p_public_key_header);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(key_pair_generate_impl, p_curve_info->curve_type);
context_size = BACKEND_IMPL_GET(key_pair_generate_context_size, p_curve_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Allocate context if not provided
if (p_context == NULL && context_size > 0)
{
p_allocated_context = NRF_CRYPTO_ALLOC(context_size);
VERIFY_TRUE(p_allocated_context != NULL, NRF_ERROR_CRYPTO_ALLOC_FAILED);
p_context = p_allocated_context;
}
// Execute backend implementation
result = backend_implementation(p_context, p_private_key, p_public_key);
// Set init values to indicate valid key
if (result == NRF_SUCCESS)
{
p_private_key_header->init_value = NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE;
p_public_key_header->init_value = NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE;
}
// Deallocate context if allocated
if (p_allocated_context != NULL)
{
NRF_CRYPTO_FREE(p_allocated_context);
}
return result;
}
ret_code_t nrf_crypto_ecc_public_key_calculate(
nrf_crypto_ecc_public_key_calculate_context_t * p_context,
nrf_crypto_ecc_private_key_t const * p_private_key,
nrf_crypto_ecc_public_key_t * p_public_key)
{
ret_code_t result;
void * p_allocated_context = NULL;
nrf_crypto_backend_ecc_public_key_calculate_fn_t backend_implementation;
size_t context_size;
nrf_crypto_ecc_curve_info_t const * p_info;
// Get pointer to header for each key
nrf_crypto_internal_ecc_key_header_t const * p_private_key_header =
(nrf_crypto_internal_ecc_key_header_t const *)p_private_key;
nrf_crypto_internal_ecc_key_header_t * p_public_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_public_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_input_check(
p_private_key_header,
NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE);
VERIFY_SUCCESS(result);
p_info = p_private_key_header->p_info;
result = nrf_crypto_internal_ecc_key_output_prepare(p_info, p_public_key_header);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(public_key_calculate_impl, p_info->curve_type);
context_size = BACKEND_IMPL_GET(public_key_calculate_context_size, p_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Allocate context if not provided
if (p_context == NULL && context_size > 0)
{
p_allocated_context = NRF_CRYPTO_ALLOC(context_size);
VERIFY_TRUE(p_allocated_context != NULL, NRF_ERROR_CRYPTO_ALLOC_FAILED);
p_context = p_allocated_context;
}
// Execute backend implementation
result = backend_implementation(p_context, p_private_key, p_public_key);
// Set init values to indicate valid key
if (result == NRF_SUCCESS)
{
p_public_key_header->init_value = NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE;
}
// Deallocate context if allocated
if (p_allocated_context != NULL)
{
NRF_CRYPTO_FREE(p_allocated_context);
}
return result;
}
ret_code_t nrf_crypto_ecc_private_key_from_raw(
nrf_crypto_ecc_curve_info_t const * p_curve_info,
nrf_crypto_ecc_private_key_t * p_private_key,
uint8_t const * p_raw_data,
size_t raw_data_size)
{
ret_code_t result;
nrf_crypto_backend_ecc_private_key_from_raw_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t * p_private_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_private_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_output_prepare(p_curve_info,
p_private_key_header);
VERIFY_SUCCESS(result);
result = nrf_crypto_internal_ecc_raw_input_check(p_raw_data,
raw_data_size,
p_curve_info->raw_private_key_size);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(private_key_from_raw_impl, p_curve_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Execute backend implementation
result = backend_implementation(p_private_key, p_raw_data);
// Set init value to indicate valid key
if (result == NRF_SUCCESS)
{
p_private_key_header->init_value = NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE;
}
return result;
}
ret_code_t nrf_crypto_ecc_private_key_to_raw(
nrf_crypto_ecc_private_key_t const * p_private_key,
uint8_t * p_raw_data,
size_t * p_raw_data_size)
{
ret_code_t result;
nrf_crypto_ecc_curve_info_t const * p_info;
nrf_crypto_backend_ecc_private_key_to_raw_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t const * p_private_key_header =
(nrf_crypto_internal_ecc_key_header_t const *)p_private_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_input_check(
p_private_key_header,
NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE);
VERIFY_SUCCESS(result);
p_info = p_private_key_header->p_info;
result = nrf_crypto_internal_ecc_raw_output_prepare(p_raw_data,
p_raw_data_size,
p_info->raw_private_key_size);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(private_key_to_raw_impl, p_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Execute backend implementation
result = backend_implementation(p_private_key, p_raw_data);
return result;
}
ret_code_t nrf_crypto_ecc_public_key_from_raw(
nrf_crypto_ecc_curve_info_t const * p_curve_info,
nrf_crypto_ecc_public_key_t * p_public_key,
uint8_t const * p_raw_data,
size_t raw_data_size)
{
ret_code_t result;
nrf_crypto_backend_ecc_private_key_from_raw_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t * p_public_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_public_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_output_prepare(p_curve_info,
p_public_key_header);
VERIFY_SUCCESS(result);
result = nrf_crypto_internal_ecc_raw_input_check(p_raw_data,
raw_data_size,
p_curve_info->raw_public_key_size);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(public_key_from_raw_impl, p_curve_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Execute backend implementation
result = backend_implementation(p_public_key, p_raw_data);
// Set init value to indicate valid key
if (result == NRF_SUCCESS)
{
p_public_key_header->init_value = NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE;
}
return result;
}
ret_code_t nrf_crypto_ecc_public_key_to_raw(
nrf_crypto_ecc_public_key_t const * p_public_key,
uint8_t * p_raw_data,
size_t * p_raw_data_size)
{
ret_code_t result;
nrf_crypto_ecc_curve_info_t const * p_info;
nrf_crypto_backend_ecc_public_key_to_raw_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t const * p_public_key_header =
(nrf_crypto_internal_ecc_key_header_t const *)p_public_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_input_check(
p_public_key_header,
NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE);
VERIFY_SUCCESS(result);
p_info = p_public_key_header->p_info;
result = nrf_crypto_internal_ecc_raw_output_prepare(p_raw_data,
p_raw_data_size,
p_info->raw_public_key_size);
VERIFY_SUCCESS(result);
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(public_key_to_raw_impl, p_info->curve_type);
VERIFY_TRUE(backend_implementation != NULL, NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE);
// Execute backend implementation
result = backend_implementation(p_public_key, p_raw_data);
return result;
}
ret_code_t nrf_crypto_ecc_private_key_free(
nrf_crypto_ecc_private_key_t * p_private_key)
{
ret_code_t result;
nrf_crypto_ecc_curve_info_t const * p_info;
nrf_crypto_backend_ecc_key_free_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t * p_private_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_private_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_input_check(
p_private_key_header,
NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE);
VERIFY_SUCCESS(result);
p_info = p_private_key_header->p_info;
UNUSED_PARAMETER(p_info); // Is some situations BACKEND_IMPL_GET() macro may not use second parameter
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(private_key_free_impl, p_info->curve_type);
if (backend_implementation != NULL)
{
// Execute backend implementation
result = backend_implementation(p_private_key);
}
else
{
// Free is not implemented by the backend, so nothing have to deallocated.
result = NRF_SUCCESS;
}
// Clear init value to indicate invalid key
p_private_key_header->init_value = 0;
return result;
}
ret_code_t nrf_crypto_ecc_public_key_free(
nrf_crypto_ecc_public_key_t * p_public_key)
{
ret_code_t result;
nrf_crypto_ecc_curve_info_t const * p_info;
nrf_crypto_backend_ecc_key_free_fn_t backend_implementation;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t * p_public_key_header =
(nrf_crypto_internal_ecc_key_header_t *)p_public_key;
// Check and prepare parameters
result = nrf_crypto_internal_ecc_key_input_check(
p_public_key_header,
NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE);
VERIFY_SUCCESS(result);
p_info = p_public_key_header->p_info;
UNUSED_PARAMETER(p_info); // Is some situations BACKEND_IMPL_GET() macro may not use second parameter
// Get backend specific information
backend_implementation = BACKEND_IMPL_GET(public_key_free_impl, p_info->curve_type);
if (backend_implementation != NULL)
{
// Execute backend implementation
result = backend_implementation(p_public_key);
}
else
{
// Free is not implemented by the backend, so nothing have to deallocated.
result = NRF_SUCCESS;
}
// Clear init value to indicate invalid key
p_public_key_header->init_value = 0;
return result;
}
ret_code_t nrf_crypto_ecc_curve_info_get(
void const * p_key,
nrf_crypto_ecc_curve_info_t const ** pp_curve_info)
{
ret_code_t result;
// Get pointer to header
nrf_crypto_internal_ecc_key_header_t const * p_key_header =
(nrf_crypto_internal_ecc_key_header_t const *)p_key;
// Check and prepare parameters
VERIFY_TRUE(pp_curve_info != NULL, NRF_ERROR_CRYPTO_INPUT_NULL);
result = nrf_crypto_internal_ecc_key_input_check(
p_key_header,
NRF_CRYPTO_INTERNAL_ECC_PRIVATE_KEY_INIT_VALUE);
if (result != NRF_SUCCESS)
{
// p_key can be private or public key, so check second case here
result = nrf_crypto_internal_ecc_key_input_check(
p_key_header,
NRF_CRYPTO_INTERNAL_ECC_PUBLIC_KEY_INIT_VALUE);
}
VERIFY_SUCCESS(result);
// Write output parameter
*pp_curve_info = p_key_header->p_info;
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_ecc_byte_order_invert(
nrf_crypto_ecc_curve_info_t const * p_curve_info,
uint8_t const * p_raw_input,
uint8_t * p_raw_output,
size_t raw_data_size)
{
uint8_t temp;
size_t from_index;
size_t to_index;
size_t integer_size;
if (p_curve_info == NULL)
{
integer_size = raw_data_size;
}
else
{
integer_size = p_curve_info->raw_private_key_size;
}
VERIFY_TRUE(raw_data_size > 0, NRF_ERROR_CRYPTO_INPUT_LENGTH);
VERIFY_TRUE(p_raw_input != NULL, NRF_ERROR_CRYPTO_INPUT_NULL);
VERIFY_TRUE(p_raw_output != NULL, NRF_ERROR_CRYPTO_OUTPUT_NULL);
// Loop over each big integer of the input
while (raw_data_size >= integer_size)
{
// Swap byte by byte in current integer
from_index = 0;
to_index = integer_size - 1;
while (from_index <= to_index)
{
// Swap bytes from source to destination, this may be the same buffer, so use temporary variable
temp = p_raw_input[from_index];
p_raw_output[from_index] = p_raw_input[to_index];
p_raw_output[to_index] = temp;
// Go to next pair of bytes
from_index++;
to_index--;
}
// Go to next integer
raw_data_size -= integer_size;
p_raw_input += integer_size;
p_raw_output += integer_size;
}
if (raw_data_size != 0)
{
// Input size is not a multiple of big integer size, so it is invalid
return NRF_ERROR_CRYPTO_INPUT_LENGTH;
}
return NRF_SUCCESS;
}
#endif // NRF_CRYPTO_ECC_ENABLED
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