246 lines
24 KiB
C
246 lines
24 KiB
C
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/**
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* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef NRF_CRYPTO_ECDSA_H__
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#define NRF_CRYPTO_ECDSA_H__
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/** @addtogroup nrf_crypto
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* @{
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* @addtogroup nrf_crypto_ecdsa Elliptic Curve Digital Signature (ECDSA)
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* @{
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* @brief Provides elliptic curve cryptography functions for digital signature.
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*
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* @addtogroup nrf_crypto_ecdsa_secp160r1 Definitions specific to secp160r1 (NIST 160-bit)
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* @addtogroup nrf_crypto_ecdsa_secp160r2 Definitions specific to secp160r2 (NIST 160-bit)
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* @addtogroup nrf_crypto_ecdsa_secp192r1 Definitions specific to secp192r1 (NIST 192-bit)
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* @addtogroup nrf_crypto_ecdsa_secp224r1 Definitions specific to secp224r1 (NIST 224-bit)
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* @addtogroup nrf_crypto_ecdsa_secp256r1 Definitions specific to secp256r1 (NIST 256-bit)
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* @addtogroup nrf_crypto_ecdsa_secp384r1 Definitions specific to secp384r1 (NIST 384-bit)
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* @addtogroup nrf_crypto_ecdsa_secp521r1 Definitions specific to secp521r1 (NIST 521-bit)
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* @addtogroup nrf_crypto_ecdsa_secp160k1 Definitions specific to secp160k1 (Koblitz 160-bit)
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* @addtogroup nrf_crypto_ecdsa_secp192k1 Definitions specific to secp192k1 (Koblitz 192-bit)
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* @addtogroup nrf_crypto_ecdsa_secp224k1 Definitions specific to secp224k1 (Koblitz 224-bit)
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* @addtogroup nrf_crypto_ecdsa_secp256k1 Definitions specific to secp256k1 (Koblitz 256-bit)
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* @addtogroup nrf_crypto_ecdsa_bp256r1 Definitions specific to bp256r1 (Brainpool 256-bit)
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* @addtogroup nrf_crypto_ecdsa_bp384r1 Definitions specific to bp384r1 (Brainpool 384-bit)
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* @addtogroup nrf_crypto_ecdsa_bp512r1 Definitions specific to bp512r1 (Brainpool 512-bit)
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* @addtogroup nrf_crypto_ecdsa_curve25519 Definitions specific to Curve25519
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include "nrf_crypto_error.h"
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#include "nrf_crypto_ecc.h"
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#include "nrf_crypto_ecdsa_shared.h"
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#include "nrf_crypto_ecdsa_backend.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NRF_CRYPTO_ECDSA_SECP160R1_SIGNATURE_SIZE (2 * 160 / 8) /**< @brief Size of a signature for secp160r1 (NIST 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160r1 */
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#define NRF_CRYPTO_ECDSA_SECP160R2_SIGNATURE_SIZE (2 * 160 / 8) /**< @brief Size of a signature for secp160r2 (NIST 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160r2 */
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#define NRF_CRYPTO_ECDSA_SECP192R1_SIGNATURE_SIZE (2 * 192 / 8) /**< @brief Size of a signature for secp192r1 (NIST 192-bit) curve. @ingroup nrf_crypto_ecdsa_secp192r1 */
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#define NRF_CRYPTO_ECDSA_SECP224R1_SIGNATURE_SIZE (2 * 224 / 8) /**< @brief Size of a signature for secp224r1 (NIST 224-bit) curve. @ingroup nrf_crypto_ecdsa_secp224r1 */
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#define NRF_CRYPTO_ECDSA_SECP256R1_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for secp256r1 (NIST 256-bit) curve. @ingroup nrf_crypto_ecdsa_secp256r1 */
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#define NRF_CRYPTO_ECDSA_SECP384R1_SIGNATURE_SIZE (2 * 384 / 8) /**< @brief Size of a signature for secp384r1 (NIST 384-bit) curve. @ingroup nrf_crypto_ecdsa_secp384r1 */
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#define NRF_CRYPTO_ECDSA_SECP521R1_SIGNATURE_SIZE (2 * 528 / 8) /**< @brief Size of a signature for secp521r1 (NIST 521-bit) curve. @ingroup nrf_crypto_ecdsa_secp521r1 */
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#define NRF_CRYPTO_ECDSA_SECP160K1_SIGNATURE_SIZE (2 * 160 / 8) /**< @brief Size of a signature for secp160k1 (Koblitz 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160k1 */
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#define NRF_CRYPTO_ECDSA_SECP192K1_SIGNATURE_SIZE (2 * 192 / 8) /**< @brief Size of a signature for secp192k1 (Koblitz 192-bit) curve. @ingroup nrf_crypto_ecdsa_secp192k1 */
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#define NRF_CRYPTO_ECDSA_SECP224K1_SIGNATURE_SIZE (2 * 224 / 8) /**< @brief Size of a signature for secp224k1 (Koblitz 224-bit) curve. @ingroup nrf_crypto_ecdsa_secp224k1 */
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#define NRF_CRYPTO_ECDSA_SECP256K1_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for secp256k1 (Koblitz 256-bit) curve. @ingroup nrf_crypto_ecdsa_secp256k1 */
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#define NRF_CRYPTO_ECDSA_BP256R1_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for bp256r1 (Brainpool 256-bit) curve. @ingroup nrf_crypto_ecdsa_bp256r1 */
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#define NRF_CRYPTO_ECDSA_BP384R1_SIGNATURE_SIZE (2 * 384 / 8) /**< @brief Size of a signature for bp384r1 (Brainpool 384-bit) curve. @ingroup nrf_crypto_ecdsa_bp384r1 */
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#define NRF_CRYPTO_ECDSA_BP512R1_SIGNATURE_SIZE (2 * 512 / 8) /**< @brief Size of a signature for bp512r1 (Brainpool 512-bit) curve. @ingroup nrf_crypto_ecdsa_bp512r1 */
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#define NRF_CRYPTO_ECDSA_CURVE25519_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for Curve25519 curve. @ingroup nrf_crypto_ecdsa_curve25519 */
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#define NRF_CRYPTO_ECDSA_SIGNATURE_MAX_SIZE (2 * NRF_CRYPTO_ECC_RAW_PRIVATE_KEY_MAX_SIZE) /**< @brief Maximum size of a signature for all enabled curves. */
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typedef uint8_t nrf_crypto_ecdsa_secp160r1_signature_t [NRF_CRYPTO_ECDSA_SECP160R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp160r1 (NIST 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp160r2_signature_t [NRF_CRYPTO_ECDSA_SECP160R2_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp160r2 (NIST 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160r2 */
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typedef uint8_t nrf_crypto_ecdsa_secp192r1_signature_t [NRF_CRYPTO_ECDSA_SECP192R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp192r1 (NIST 192-bit) curve. @ingroup nrf_crypto_ecdsa_secp192r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp224r1_signature_t [NRF_CRYPTO_ECDSA_SECP224R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp224r1 (NIST 224-bit) curve. @ingroup nrf_crypto_ecdsa_secp224r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp256r1_signature_t [NRF_CRYPTO_ECDSA_SECP256R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp256r1 (NIST 256-bit) curve. @ingroup nrf_crypto_ecdsa_secp256r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp384r1_signature_t [NRF_CRYPTO_ECDSA_SECP384R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp384r1 (NIST 384-bit) curve. @ingroup nrf_crypto_ecdsa_secp384r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp521r1_signature_t [NRF_CRYPTO_ECDSA_SECP521R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp521r1 (NIST 521-bit) curve. @ingroup nrf_crypto_ecdsa_secp521r1 */
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typedef uint8_t nrf_crypto_ecdsa_secp160k1_signature_t [NRF_CRYPTO_ECDSA_SECP160K1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp160k1 (Koblitz 160-bit) curve. @ingroup nrf_crypto_ecdsa_secp160k1 */
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typedef uint8_t nrf_crypto_ecdsa_secp192k1_signature_t [NRF_CRYPTO_ECDSA_SECP192K1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp192k1 (Koblitz 192-bit) curve. @ingroup nrf_crypto_ecdsa_secp192k1 */
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typedef uint8_t nrf_crypto_ecdsa_secp224k1_signature_t [NRF_CRYPTO_ECDSA_SECP224K1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp224k1 (Koblitz 224-bit) curve. @ingroup nrf_crypto_ecdsa_secp224k1 */
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typedef uint8_t nrf_crypto_ecdsa_secp256k1_signature_t [NRF_CRYPTO_ECDSA_SECP256K1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for secp256k1 (Koblitz 256-bit) curve. @ingroup nrf_crypto_ecdsa_secp256k1 */
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typedef uint8_t nrf_crypto_ecdsa_bp256r1_signature_t [NRF_CRYPTO_ECDSA_BP256R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for bp256r1 (Brainpool 256-bit) curve. @ingroup nrf_crypto_ecdsa_bp256r1 */
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typedef uint8_t nrf_crypto_ecdsa_bp384r1_signature_t [NRF_CRYPTO_ECDSA_BP384R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for bp384r1 (Brainpool 384-bit) curve. @ingroup nrf_crypto_ecdsa_bp384r1 */
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typedef uint8_t nrf_crypto_ecdsa_bp512r1_signature_t [NRF_CRYPTO_ECDSA_BP512R1_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for bp512r1 (Brainpool 512-bit) curve. @ingroup nrf_crypto_ecdsa_bp512r1 */
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typedef uint8_t nrf_crypto_ecdsa_curve25519_signature_t [NRF_CRYPTO_ECDSA_CURVE25519_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for Curve25519 curve. @ingroup nrf_crypto_ecdsa_curve25519 */
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typedef uint8_t nrf_crypto_ecdsa_signature_t [NRF_CRYPTO_ECDSA_SIGNATURE_MAX_SIZE]; /**< @brief Type big enough to hold signature output for any curve type. */
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typedef nrf_crypto_backend_secp160r1_sign_context_t nrf_crypto_ecdsa_secp160r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp160r1 (NIST 160-bit). @ingroup nrf_crypto_ecdsa_secp160r1 */
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typedef nrf_crypto_backend_secp160r2_sign_context_t nrf_crypto_ecdsa_secp160r2_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp160r2 (NIST 160-bit). @ingroup nrf_crypto_ecdsa_secp160r2 */
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typedef nrf_crypto_backend_secp192r1_sign_context_t nrf_crypto_ecdsa_secp192r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp192r1 (NIST 192-bit). @ingroup nrf_crypto_ecdsa_secp192r1 */
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typedef nrf_crypto_backend_secp224r1_sign_context_t nrf_crypto_ecdsa_secp224r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp224r1 (NIST 224-bit). @ingroup nrf_crypto_ecdsa_secp224r1 */
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typedef nrf_crypto_backend_secp256r1_sign_context_t nrf_crypto_ecdsa_secp256r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp256r1 (NIST 256-bit). @ingroup nrf_crypto_ecdsa_secp256r1 */
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typedef nrf_crypto_backend_secp384r1_sign_context_t nrf_crypto_ecdsa_secp384r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp384r1 (NIST 384-bit). @ingroup nrf_crypto_ecdsa_secp384r1 */
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typedef nrf_crypto_backend_secp521r1_sign_context_t nrf_crypto_ecdsa_secp521r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp521r1 (NIST 521-bit). @ingroup nrf_crypto_ecdsa_secp521r1 */
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typedef nrf_crypto_backend_secp160k1_sign_context_t nrf_crypto_ecdsa_secp160k1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp160k1 (Koblitz 160-bit). @ingroup nrf_crypto_ecdsa_secp160k1 */
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typedef nrf_crypto_backend_secp192k1_sign_context_t nrf_crypto_ecdsa_secp192k1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp192k1 (Koblitz 192-bit). @ingroup nrf_crypto_ecdsa_secp192k1 */
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typedef nrf_crypto_backend_secp224k1_sign_context_t nrf_crypto_ecdsa_secp224k1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp224k1 (Koblitz 224-bit). @ingroup nrf_crypto_ecdsa_secp224k1 */
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typedef nrf_crypto_backend_secp256k1_sign_context_t nrf_crypto_ecdsa_secp256k1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve secp256k1 (Koblitz 256-bit). @ingroup nrf_crypto_ecdsa_secp256k1 */
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typedef nrf_crypto_backend_bp256r1_sign_context_t nrf_crypto_ecdsa_bp256r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve bp256r1 (Brainpool 256-bit). @ingroup nrf_crypto_ecdsa_bp256r1 */
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typedef nrf_crypto_backend_bp384r1_sign_context_t nrf_crypto_ecdsa_bp384r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve bp384r1 (Brainpool 384-bit). @ingroup nrf_crypto_ecdsa_bp384r1 */
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typedef nrf_crypto_backend_bp512r1_sign_context_t nrf_crypto_ecdsa_bp512r1_sign_context_t; /**< @brief Context used to store temporary data during signing with curve bp512r1 (Brainpool 512-bit). @ingroup nrf_crypto_ecdsa_bp512r1 */
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typedef nrf_crypto_backend_curve25519_sign_context_t nrf_crypto_ecdsa_curve25519_sign_context_t; /**< @brief Context used to store temporary data during signing with curve Curve25519. @ingroup nrf_crypto_ecdsa_curve25519 */
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typedef nrf_crypto_backend_secp160r1_verify_context_t nrf_crypto_ecdsa_secp160r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp160r1 (NIST 160-bit). @ingroup nrf_crypto_ecdsa_secp160r1 */
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typedef nrf_crypto_backend_secp160r2_verify_context_t nrf_crypto_ecdsa_secp160r2_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp160r2 (NIST 160-bit). @ingroup nrf_crypto_ecdsa_secp160r2 */
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typedef nrf_crypto_backend_secp192r1_verify_context_t nrf_crypto_ecdsa_secp192r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp192r1 (NIST 192-bit). @ingroup nrf_crypto_ecdsa_secp192r1 */
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typedef nrf_crypto_backend_secp224r1_verify_context_t nrf_crypto_ecdsa_secp224r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp224r1 (NIST 224-bit). @ingroup nrf_crypto_ecdsa_secp224r1 */
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typedef nrf_crypto_backend_secp256r1_verify_context_t nrf_crypto_ecdsa_secp256r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp256r1 (NIST 256-bit). @ingroup nrf_crypto_ecdsa_secp256r1 */
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typedef nrf_crypto_backend_secp384r1_verify_context_t nrf_crypto_ecdsa_secp384r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp384r1 (NIST 384-bit). @ingroup nrf_crypto_ecdsa_secp384r1 */
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typedef nrf_crypto_backend_secp521r1_verify_context_t nrf_crypto_ecdsa_secp521r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp521r1 (NIST 521-bit). @ingroup nrf_crypto_ecdsa_secp521r1 */
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typedef nrf_crypto_backend_secp160k1_verify_context_t nrf_crypto_ecdsa_secp160k1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp160k1 (Koblitz 160-bit). @ingroup nrf_crypto_ecdsa_secp160k1 */
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typedef nrf_crypto_backend_secp192k1_verify_context_t nrf_crypto_ecdsa_secp192k1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp192k1 (Koblitz 192-bit). @ingroup nrf_crypto_ecdsa_secp192k1 */
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typedef nrf_crypto_backend_secp224k1_verify_context_t nrf_crypto_ecdsa_secp224k1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp224k1 (Koblitz 224-bit). @ingroup nrf_crypto_ecdsa_secp224k1 */
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typedef nrf_crypto_backend_secp256k1_verify_context_t nrf_crypto_ecdsa_secp256k1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve secp256k1 (Koblitz 256-bit). @ingroup nrf_crypto_ecdsa_secp256k1 */
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typedef nrf_crypto_backend_bp256r1_verify_context_t nrf_crypto_ecdsa_bp256r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve bp256r1 (Brainpool 256-bit). @ingroup nrf_crypto_ecdsa_bp256r1 */
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typedef nrf_crypto_backend_bp384r1_verify_context_t nrf_crypto_ecdsa_bp384r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve bp384r1 (Brainpool 384-bit). @ingroup nrf_crypto_ecdsa_bp384r1 */
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typedef nrf_crypto_backend_bp512r1_verify_context_t nrf_crypto_ecdsa_bp512r1_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve bp512r1 (Brainpool 512-bit). @ingroup nrf_crypto_ecdsa_bp512r1 */
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typedef nrf_crypto_backend_curve25519_verify_context_t nrf_crypto_ecdsa_curve25519_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve Curve25519. @ingroup nrf_crypto_ecdsa_curve25519 */
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/** @brief Union holding a context for ECDSA hash sign.
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*/
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typedef union
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{
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nrf_crypto_ecdsa_secp160r1_sign_context_t context_secp160r1; /**< @brief Occupies space for secp160r1 (NIST 160-bit). */
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nrf_crypto_ecdsa_secp160r2_sign_context_t context_secp160r2; /**< @brief Occupies space for secp160r2 (NIST 160-bit). */
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nrf_crypto_ecdsa_secp192r1_sign_context_t context_secp192r1; /**< @brief Occupies space for secp192r1 (NIST 192-bit). */
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nrf_crypto_ecdsa_secp224r1_sign_context_t context_secp224r1; /**< @brief Occupies space for secp224r1 (NIST 224-bit). */
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nrf_crypto_ecdsa_secp256r1_sign_context_t context_secp256r1; /**< @brief Occupies space for secp256r1 (NIST 256-bit). */
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nrf_crypto_ecdsa_secp384r1_sign_context_t context_secp384r1; /**< @brief Occupies space for secp384r1 (NIST 384-bit). */
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nrf_crypto_ecdsa_secp521r1_sign_context_t context_secp521r1; /**< @brief Occupies space for secp521r1 (NIST 521-bit). */
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nrf_crypto_ecdsa_secp160k1_sign_context_t context_secp160k1; /**< @brief Occupies space for secp160k1 (Koblitz 160-bit). */
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nrf_crypto_ecdsa_secp192k1_sign_context_t context_secp192k1; /**< @brief Occupies space for secp192k1 (Koblitz 192-bit). */
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nrf_crypto_ecdsa_secp224k1_sign_context_t context_secp224k1; /**< @brief Occupies space for secp224k1 (Koblitz 224-bit). */
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nrf_crypto_ecdsa_secp256k1_sign_context_t context_secp256k1; /**< @brief Occupies space for secp256k1 (Koblitz 256-bit). */
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nrf_crypto_ecdsa_bp256r1_sign_context_t context_bp256r1; /**< @brief Occupies space for bp256r1 (Brainpool 256-bit). */
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nrf_crypto_ecdsa_bp384r1_sign_context_t context_bp384r1; /**< @brief Occupies space for bp384r1 (Brainpool 384-bit). */
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nrf_crypto_ecdsa_bp512r1_sign_context_t context_bp512r1; /**< @brief Occupies space for bp512r1 (Brainpool 512-bit). */
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nrf_crypto_ecdsa_curve25519_sign_context_t context_curve25519; /**< @brief Occupies space for Curve25519. */
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} nrf_crypto_ecdsa_sign_context_t;
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/** @brief Union holding a context for ECDSA hash verify.
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*/
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typedef union
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{
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nrf_crypto_ecdsa_secp160r1_verify_context_t context_secp160r1; /**< @brief Occupies spece for secp160r1 (NIST 160-bit). */
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nrf_crypto_ecdsa_secp160r2_verify_context_t context_secp160r2; /**< @brief Occupies spece for secp160r2 (NIST 160-bit). */
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nrf_crypto_ecdsa_secp192r1_verify_context_t context_secp192r1; /**< @brief Occupies spece for secp192r1 (NIST 192-bit). */
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nrf_crypto_ecdsa_secp224r1_verify_context_t context_secp224r1; /**< @brief Occupies spece for secp224r1 (NIST 224-bit). */
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nrf_crypto_ecdsa_secp256r1_verify_context_t context_secp256r1; /**< @brief Occupies spece for secp256r1 (NIST 256-bit). */
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nrf_crypto_ecdsa_secp384r1_verify_context_t context_secp384r1; /**< @brief Occupies spece for secp384r1 (NIST 384-bit). */
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nrf_crypto_ecdsa_secp521r1_verify_context_t context_secp521r1; /**< @brief Occupies spece for secp521r1 (NIST 521-bit). */
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nrf_crypto_ecdsa_secp160k1_verify_context_t context_secp160k1; /**< @brief Occupies spece for secp160k1 (Koblitz 160-bit). */
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nrf_crypto_ecdsa_secp192k1_verify_context_t context_secp192k1; /**< @brief Occupies spece for secp192k1 (Koblitz 192-bit). */
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nrf_crypto_ecdsa_secp224k1_verify_context_t context_secp224k1; /**< @brief Occupies spece for secp224k1 (Koblitz 224-bit). */
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nrf_crypto_ecdsa_secp256k1_verify_context_t context_secp256k1; /**< @brief Occupies spece for secp256k1 (Koblitz 256-bit). */
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nrf_crypto_ecdsa_bp256r1_verify_context_t context_bp256r1; /**< @brief Occupies spece for bp256r1 (Brainpool 256-bit). */
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nrf_crypto_ecdsa_bp384r1_verify_context_t context_bp384r1; /**< @brief Occupies spece for bp384r1 (Brainpool 384-bit). */
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nrf_crypto_ecdsa_bp512r1_verify_context_t context_bp512r1; /**< @brief Occupies spece for bp512r1 (Brainpool 512-bit). */
|
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nrf_crypto_ecdsa_curve25519_verify_context_t context_curve25519; /**< @brief Occupies spece for Curve25519. */
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} nrf_crypto_ecdsa_verify_context_t;
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/** @brief Sign a hash of a message.
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*
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* @param[in] p_context Pointer to temporary structure holding context information.
|
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* If it is NULL, necessary data will be allocated with
|
||
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* @ref NRF_CRYPTO_ALLOC and freed at the end of the function.
|
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* @param[in] p_private_key Pointer to structure holding a private key.
|
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* @param[in] p_hash Pointer to hash to sign.
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* @param[in] hash_size Number of bytes in p_hash.
|
||
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* @param[out] p_signature Pointer to buffer where digital signature will be put.
|
||
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* @param[in,out] p_signature_size Maximum number of bytes that @p p_signature buffer can hold on input
|
||
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|
* and the actual number of bytes used by the data on output.
|
||
|
|
* Actual size for selected curve is defined by
|
||
|
|
* the preprocessor definitions, e.g.
|
||
|
|
* @ref NRF_CRYPTO_ECDSA_SECP256R1_SIGNATURE_SIZE.
|
||
|
|
*/
|
||
|
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ret_code_t nrf_crypto_ecdsa_sign(
|
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nrf_crypto_ecdsa_sign_context_t * p_context,
|
||
|
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nrf_crypto_ecc_private_key_t const * p_private_key,
|
||
|
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uint8_t const * p_hash,
|
||
|
|
size_t hash_size,
|
||
|
|
uint8_t * p_signature,
|
||
|
|
size_t * p_signature_size);
|
||
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|
||
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|
||
|
|
/** @brief Verify a signature using a hash of a message.
|
||
|
|
*
|
||
|
|
* @param[in] p_context Pointer to temporary structure holding context information.
|
||
|
|
* If it is NULL, necessary data will be allocated with
|
||
|
|
* @ref NRF_CRYPTO_ALLOC and freed at the end of the function.
|
||
|
|
* @param[in] p_public_key Pointer to structure holding a public key.
|
||
|
|
* @param[in] p_hash Pointer to hash to verify.
|
||
|
|
* @param[in] hash_size Number of bytes in p_hash.
|
||
|
|
* @param[in] p_signature Pointer to buffer containing digital signature.
|
||
|
|
* @param[in,out] signature_size Number of bytes in p_signature.
|
||
|
|
*/
|
||
|
|
ret_code_t nrf_crypto_ecdsa_verify(
|
||
|
|
nrf_crypto_ecdsa_verify_context_t * p_context,
|
||
|
|
nrf_crypto_ecc_public_key_t const * p_public_key,
|
||
|
|
uint8_t const * p_hash,
|
||
|
|
size_t hash_size,
|
||
|
|
uint8_t const * p_signature,
|
||
|
|
size_t signature_size);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** @}
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif // NRF_CRYPTO_ECDSA_H__
|