diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.c | 1314 |
1 files changed, 1314 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.c new file mode 100644 index 0000000..8bff9a7 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.c @@ -0,0 +1,1314 @@ +/** + * Copyright (c) 2018 - 2018, 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(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 |