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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.h new file mode 100644 index 0000000..8fa825b --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecc.h @@ -0,0 +1,999 @@ +/** + * 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. + * + */ + +#ifndef NRF_CRYPTO_ECC_H__ +#define NRF_CRYPTO_ECC_H__ + +/** @addtogroup nrf_crypto + * @{ + * @addtogroup nrf_crypto_ecc Elliptic Curve Cryptography Key Management + * @{ + * @brief Provides elliptic curve cryptography API for public and private key management. + * + * @addtogroup nrf_crypto_ecc_secp160r1 Definitions specific to secp160r1 (NIST 160-bit) + * @addtogroup nrf_crypto_ecc_secp160r2 Definitions specific to secp160r2 (NIST 160-bit) + * @addtogroup nrf_crypto_ecc_secp192r1 Definitions specific to secp192r1 (NIST 192-bit) + * @addtogroup nrf_crypto_ecc_secp224r1 Definitions specific to secp224r1 (NIST 224-bit) + * @addtogroup nrf_crypto_ecc_secp256r1 Definitions specific to secp256r1 (NIST 256-bit) + * @addtogroup nrf_crypto_ecc_secp384r1 Definitions specific to secp384r1 (NIST 384-bit) + * @addtogroup nrf_crypto_ecc_secp521r1 Definitions specific to secp521r1 (NIST 521-bit) + * @addtogroup nrf_crypto_ecc_secp160k1 Definitions specific to secp160k1 (Koblitz 160-bit) + * @addtogroup nrf_crypto_ecc_secp192k1 Definitions specific to secp192k1 (Koblitz 192-bit) + * @addtogroup nrf_crypto_ecc_secp224k1 Definitions specific to secp224k1 (Koblitz 224-bit) + * @addtogroup nrf_crypto_ecc_secp256k1 Definitions specific to secp256k1 (Koblitz 256-bit) + * @addtogroup nrf_crypto_ecc_bp256r1 Definitions specific to bp256r1 (Brainpool 256-bit) + * @addtogroup nrf_crypto_ecc_bp384r1 Definitions specific to bp384r1 (Brainpool 384-bit) + * @addtogroup nrf_crypto_ecc_bp512r1 Definitions specific to bp512r1 (Brainpool 512-bit) + * @addtogroup nrf_crypto_ecc_curve25519 Definitions specific to Curve25519 + * @addtogroup nrf_crypto_ecc_ed25519 Definitions specific to Ed25519 + */ + +#include <stdint.h> +#include <stddef.h> + +#include "nrf_crypto_error.h" +#include "nrf_crypto_ecc_shared.h" +#include "nrf_crypto_ecc_backend.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +#if defined(__SDK_DOXYGEN__) +#define NRF_CRYPTO_ECC_SECP160R1_ENABLED 1 /**< @brief Defined as 1 if secp160r1 (NIST 160-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp160r1 */ +#define NRF_CRYPTO_ECC_SECP160R2_ENABLED 1 /**< @brief Defined as 1 if secp160r2 (NIST 160-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp160r2 */ +#define NRF_CRYPTO_ECC_SECP192R1_ENABLED 1 /**< @brief Defined as 1 if secp192r1 (NIST 192-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp192r1 */ +#define NRF_CRYPTO_ECC_SECP224R1_ENABLED 1 /**< @brief Defined as 1 if secp224r1 (NIST 224-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp224r1 */ +#define NRF_CRYPTO_ECC_SECP256R1_ENABLED 1 /**< @brief Defined as 1 if secp256r1 (NIST 256-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp256r1 */ +#define NRF_CRYPTO_ECC_SECP384R1_ENABLED 1 /**< @brief Defined as 1 if secp384r1 (NIST 384-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp384r1 */ +#define NRF_CRYPTO_ECC_SECP521R1_ENABLED 1 /**< @brief Defined as 1 if secp521r1 (NIST 521-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp521r1 */ +#define NRF_CRYPTO_ECC_SECP160K1_ENABLED 1 /**< @brief Defined as 1 if secp160k1 (Koblitz 160-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp160k1 */ +#define NRF_CRYPTO_ECC_SECP192K1_ENABLED 1 /**< @brief Defined as 1 if secp192k1 (Koblitz 192-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp192k1 */ +#define NRF_CRYPTO_ECC_SECP224K1_ENABLED 1 /**< @brief Defined as 1 if secp224k1 (Koblitz 224-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp224k1 */ +#define NRF_CRYPTO_ECC_SECP256K1_ENABLED 1 /**< @brief Defined as 1 if secp256k1 (Koblitz 256-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_secp256k1 */ +#define NRF_CRYPTO_ECC_BP256R1_ENABLED 1 /**< @brief Defined as 1 if bp256r1 (Brainpool 256-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_bp256r1 */ +#define NRF_CRYPTO_ECC_BP384R1_ENABLED 1 /**< @brief Defined as 1 if bp384r1 (Brainpool 384-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_bp384r1 */ +#define NRF_CRYPTO_ECC_BP512R1_ENABLED 1 /**< @brief Defined as 1 if bp512r1 (Brainpool 512-bit) is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_bp512r1 */ +#define NRF_CRYPTO_ECC_CURVE25519_ENABLED 1 /**< @brief Defined as 1 if Curve25519 is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_curve25519 */ +#define NRF_CRYPTO_ECC_ED25519_ENABLED 1 /**< @brief Defined as 1 if Ed25519 is enabled in any of the backends and it is usable in the API, 0 otherwise. @ingroup nrf_crypto_ecc_ed25519 */ +#endif + + +#define NRF_CRYPTO_ECC_SECP160R1_RAW_PRIVATE_KEY_SIZE (160 / 8) /**< @brief Raw private key size for secp160r1 (NIST 160-bit). @ingroup nrf_crypto_ecc_secp160r1 */ +#define NRF_CRYPTO_ECC_SECP160R2_RAW_PRIVATE_KEY_SIZE (160 / 8) /**< @brief Raw private key size for secp160r2 (NIST 160-bit). @ingroup nrf_crypto_ecc_secp160r2 */ +#define NRF_CRYPTO_ECC_SECP192R1_RAW_PRIVATE_KEY_SIZE (192 / 8) /**< @brief Raw private key size for secp192r1 (NIST 192-bit). @ingroup nrf_crypto_ecc_secp192r1 */ +#define NRF_CRYPTO_ECC_SECP224R1_RAW_PRIVATE_KEY_SIZE (224 / 8) /**< @brief Raw private key size for secp224r1 (NIST 224-bit). @ingroup nrf_crypto_ecc_secp224r1 */ +#define NRF_CRYPTO_ECC_SECP256R1_RAW_PRIVATE_KEY_SIZE (256 / 8) /**< @brief Raw private key size for secp256r1 (NIST 256-bit). @ingroup nrf_crypto_ecc_secp256r1 */ +#define NRF_CRYPTO_ECC_SECP384R1_RAW_PRIVATE_KEY_SIZE (384 / 8) /**< @brief Raw private key size for secp384r1 (NIST 384-bit). @ingroup nrf_crypto_ecc_secp384r1 */ +#define NRF_CRYPTO_ECC_SECP521R1_RAW_PRIVATE_KEY_SIZE (528 / 8) /**< @brief Raw private key size for secp521r1 (NIST 521-bit). @ingroup nrf_crypto_ecc_secp521r1 */ +#define NRF_CRYPTO_ECC_SECP160K1_RAW_PRIVATE_KEY_SIZE (160 / 8) /**< @brief Raw private key size for secp160k1 (Koblitz 160-bit). @ingroup nrf_crypto_ecc_secp160k1 */ +#define NRF_CRYPTO_ECC_SECP192K1_RAW_PRIVATE_KEY_SIZE (192 / 8) /**< @brief Raw private key size for secp192k1 (Koblitz 192-bit). @ingroup nrf_crypto_ecc_secp192k1 */ +#define NRF_CRYPTO_ECC_SECP224K1_RAW_PRIVATE_KEY_SIZE (224 / 8) /**< @brief Raw private key size for secp224k1 (Koblitz 224-bit). @ingroup nrf_crypto_ecc_secp224k1 */ +#define NRF_CRYPTO_ECC_SECP256K1_RAW_PRIVATE_KEY_SIZE (256 / 8) /**< @brief Raw private key size for secp256k1 (Koblitz 256-bit). @ingroup nrf_crypto_ecc_secp256k1 */ +#define NRF_CRYPTO_ECC_BP256R1_RAW_PRIVATE_KEY_SIZE (256 / 8) /**< @brief Raw private key size for bp256r1 (Brainpool 256-bit). @ingroup nrf_crypto_ecc_bp256r1 */ +#define NRF_CRYPTO_ECC_BP384R1_RAW_PRIVATE_KEY_SIZE (384 / 8) /**< @brief Raw private key size for bp384r1 (Brainpool 384-bit). @ingroup nrf_crypto_ecc_bp384r1 */ +#define NRF_CRYPTO_ECC_BP512R1_RAW_PRIVATE_KEY_SIZE (512 / 8) /**< @brief Raw private key size for bp512r1 (Brainpool 512-bit). @ingroup nrf_crypto_ecc_bp512r1 */ +#define NRF_CRYPTO_ECC_CURVE25519_RAW_PRIVATE_KEY_SIZE (256 / 8) /**< @brief Raw private key size for Curve25519. @ingroup nrf_crypto_ecc_curve25519 */ +#define NRF_CRYPTO_ECC_ED25519_RAW_PRIVATE_KEY_SIZE (256 / 8) /**< @brief Raw private key size for Ed25519. @ingroup nrf_crypto_ecc_ed25519 */ + + +#define NRF_CRYPTO_ECC_SECP160R1_RAW_PUBLIC_KEY_SIZE (2 * 160 / 8) /**< @brief Raw public key size for curve secp160r1 (NIST 160-bit). @ingroup nrf_crypto_ecc_secp160r1 */ +#define NRF_CRYPTO_ECC_SECP160R2_RAW_PUBLIC_KEY_SIZE (2 * 160 / 8) /**< @brief Raw public key size for curve secp160r2 (NIST 160-bit). @ingroup nrf_crypto_ecc_secp160r2 */ +#define NRF_CRYPTO_ECC_SECP192R1_RAW_PUBLIC_KEY_SIZE (2 * 192 / 8) /**< @brief Raw public key size for curve secp192r1 (NIST 192-bit). @ingroup nrf_crypto_ecc_secp192r1 */ +#define NRF_CRYPTO_ECC_SECP224R1_RAW_PUBLIC_KEY_SIZE (2 * 224 / 8) /**< @brief Raw public key size for curve secp224r1 (NIST 224-bit). @ingroup nrf_crypto_ecc_secp224r1 */ +#define NRF_CRYPTO_ECC_SECP256R1_RAW_PUBLIC_KEY_SIZE (2 * 256 / 8) /**< @brief Raw public key size for curve secp256r1 (NIST 256-bit). @ingroup nrf_crypto_ecc_secp256r1 */ +#define NRF_CRYPTO_ECC_SECP384R1_RAW_PUBLIC_KEY_SIZE (2 * 384 / 8) /**< @brief Raw public key size for curve secp384r1 (NIST 384-bit). @ingroup nrf_crypto_ecc_secp384r1 */ +#define NRF_CRYPTO_ECC_SECP521R1_RAW_PUBLIC_KEY_SIZE (2 * 528 / 8) /**< @brief Raw public key size for curve secp521r1 (NIST 521-bit). @ingroup nrf_crypto_ecc_secp521r1 */ +#define NRF_CRYPTO_ECC_SECP160K1_RAW_PUBLIC_KEY_SIZE (2 * 160 / 8) /**< @brief Raw public key size for curve secp160k1 (Koblitz 160-bit). @ingroup nrf_crypto_ecc_secp160k1 */ +#define NRF_CRYPTO_ECC_SECP192K1_RAW_PUBLIC_KEY_SIZE (2 * 192 / 8) /**< @brief Raw public key size for curve secp192k1 (Koblitz 192-bit). @ingroup nrf_crypto_ecc_secp192k1 */ +#define NRF_CRYPTO_ECC_SECP224K1_RAW_PUBLIC_KEY_SIZE (2 * 224 / 8) /**< @brief Raw public key size for curve secp224k1 (Koblitz 224-bit). @ingroup nrf_crypto_ecc_secp224k1 */ +#define NRF_CRYPTO_ECC_SECP256K1_RAW_PUBLIC_KEY_SIZE (2 * 256 / 8) /**< @brief Raw public key size for curve secp256k1 (Koblitz 256-bit). @ingroup nrf_crypto_ecc_secp256k1 */ +#define NRF_CRYPTO_ECC_BP256R1_RAW_PUBLIC_KEY_SIZE (2 * 256 / 8) /**< @brief Raw public key size for curve bp256r1 (Brainpool 256-bit). @ingroup nrf_crypto_ecc_bp256r1 */ +#define NRF_CRYPTO_ECC_BP384R1_RAW_PUBLIC_KEY_SIZE (2 * 384 / 8) /**< @brief Raw public key size for curve bp384r1 (Brainpool 384-bit). @ingroup nrf_crypto_ecc_bp384r1 */ +#define NRF_CRYPTO_ECC_BP512R1_RAW_PUBLIC_KEY_SIZE (2 * 512 / 8) /**< @brief Raw public key size for curve bp512r1 (Brainpool 512-bit). @ingroup nrf_crypto_ecc_bp512r1 */ +#define NRF_CRYPTO_ECC_CURVE25519_RAW_PUBLIC_KEY_SIZE (256 / 8) /**< @brief Raw public key size for curve Curve25519. @ingroup nrf_crypto_ecc_curve25519 */ +#define NRF_CRYPTO_ECC_ED25519_RAW_PUBLIC_KEY_SIZE (256 / 8) /**< @brief Raw public key size for curve Ed25519. @ingroup nrf_crypto_ecc_ed25519 */ + + +#define NRF_CRYPTO_ECC_RAW_PRIVATE_KEY_MAX_SIZE NRF_CRYPTO_BACKEND_ECC_RAW_PRIVATE_KEY_MAX_SIZE /**< @brief Maximum size of a raw private key for all enabled curves. */ +#define NRF_CRYPTO_ECC_RAW_PUBLIC_KEY_MAX_SIZE NRF_CRYPTO_BACKEND_ECC_RAW_PUBLIC_KEY_MAX_SIZE /**< @brief Maximum size of a raw public key for all enabled curves. */ + + +/** @brief Defines type of ECC curve. + */ +typedef enum +{ +#if NRF_CRYPTO_ECC_SECP160R1_ENABLED + NRF_CRYPTO_ECC_SECP160R1_CURVE_TYPE, /**< secp160r1 (NIST 160-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP160R2_ENABLED + NRF_CRYPTO_ECC_SECP160R2_CURVE_TYPE, /**< secp160r2 (NIST 160-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP192R1_ENABLED + NRF_CRYPTO_ECC_SECP192R1_CURVE_TYPE, /**< secp192r1 (NIST 192-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP224R1_ENABLED + NRF_CRYPTO_ECC_SECP224R1_CURVE_TYPE, /**< secp224r1 (NIST 224-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP256R1_ENABLED + NRF_CRYPTO_ECC_SECP256R1_CURVE_TYPE, /**< secp256r1 (NIST 256-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP384R1_ENABLED + NRF_CRYPTO_ECC_SECP384R1_CURVE_TYPE, /**< secp384r1 (NIST 384-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP521R1_ENABLED + NRF_CRYPTO_ECC_SECP521R1_CURVE_TYPE, /**< secp521r1 (NIST 521-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP160K1_ENABLED + NRF_CRYPTO_ECC_SECP160K1_CURVE_TYPE, /**< secp160k1 (Koblitz 160-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP192K1_ENABLED + NRF_CRYPTO_ECC_SECP192K1_CURVE_TYPE, /**< secp192k1 (Koblitz 192-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP224K1_ENABLED + NRF_CRYPTO_ECC_SECP224K1_CURVE_TYPE, /**< secp224k1 (Koblitz 224-bit) */ +#endif +#if NRF_CRYPTO_ECC_SECP256K1_ENABLED + NRF_CRYPTO_ECC_SECP256K1_CURVE_TYPE, /**< secp256k1 (Koblitz 256-bit) */ +#endif +#if NRF_CRYPTO_ECC_BP256R1_ENABLED + NRF_CRYPTO_ECC_BP256R1_CURVE_TYPE, /**< bp256r1 (Brainpool 256-bit) */ +#endif +#if NRF_CRYPTO_ECC_BP384R1_ENABLED + NRF_CRYPTO_ECC_BP384R1_CURVE_TYPE, /**< bp384r1 (Brainpool 384-bit) */ +#endif +#if NRF_CRYPTO_ECC_BP512R1_ENABLED + NRF_CRYPTO_ECC_BP512R1_CURVE_TYPE, /**< bp512r1 (Brainpool 512-bit) */ +#endif +#if NRF_CRYPTO_ECC_CURVE25519_ENABLED + NRF_CRYPTO_ECC_CURVE25519_CURVE_TYPE, /**< Curve25519 */ +#endif +#if NRF_CRYPTO_ECC_ED25519_ENABLED + NRF_CRYPTO_ECC_ED25519_CURVE_TYPE, /**< Ed25519 */ +#endif +#if !NRF_CRYPTO_ECC_SECP160R1_ENABLED + NRF_CRYPTO_ECC_SECP160R1_CURVE_TYPE, /**< secp160r1 (NIST 160-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP160R2_ENABLED + NRF_CRYPTO_ECC_SECP160R2_CURVE_TYPE, /**< secp160r2 (NIST 160-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP192R1_ENABLED + NRF_CRYPTO_ECC_SECP192R1_CURVE_TYPE, /**< secp192r1 (NIST 192-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP224R1_ENABLED + NRF_CRYPTO_ECC_SECP224R1_CURVE_TYPE, /**< secp224r1 (NIST 224-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP256R1_ENABLED + NRF_CRYPTO_ECC_SECP256R1_CURVE_TYPE, /**< secp256r1 (NIST 256-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP384R1_ENABLED + NRF_CRYPTO_ECC_SECP384R1_CURVE_TYPE, /**< secp384r1 (NIST 384-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP521R1_ENABLED + NRF_CRYPTO_ECC_SECP521R1_CURVE_TYPE, /**< secp521r1 (NIST 521-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP160K1_ENABLED + NRF_CRYPTO_ECC_SECP160K1_CURVE_TYPE, /**< secp160k1 (Koblitz 160-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP192K1_ENABLED + NRF_CRYPTO_ECC_SECP192K1_CURVE_TYPE, /**< secp192k1 (Koblitz 192-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP224K1_ENABLED + NRF_CRYPTO_ECC_SECP224K1_CURVE_TYPE, /**< secp224k1 (Koblitz 224-bit) */ +#endif +#if !NRF_CRYPTO_ECC_SECP256K1_ENABLED + NRF_CRYPTO_ECC_SECP256K1_CURVE_TYPE, /**< secp256k1 (Koblitz 256-bit) */ +#endif +#if !NRF_CRYPTO_ECC_BP256R1_ENABLED + NRF_CRYPTO_ECC_BP256R1_CURVE_TYPE, /**< bp256r1 (Brainpool 256-bit) */ +#endif +#if !NRF_CRYPTO_ECC_BP384R1_ENABLED + NRF_CRYPTO_ECC_BP384R1_CURVE_TYPE, /**< bp384r1 (Brainpool 384-bit) */ +#endif +#if !NRF_CRYPTO_ECC_BP512R1_ENABLED + NRF_CRYPTO_ECC_BP512R1_CURVE_TYPE, /**< bp512r1 (Brainpool 512-bit) */ +#endif +#if !NRF_CRYPTO_ECC_CURVE25519_ENABLED + NRF_CRYPTO_ECC_CURVE25519_CURVE_TYPE, /**< Curve25519 */ +#endif +#if !NRF_CRYPTO_ECC_ED25519_ENABLED + NRF_CRYPTO_ECC_ED25519_CURVE_TYPE, /**< Ed25519 */ +#endif +} nrf_crypto_ecc_curve_type_t; + + +/** @brief Structure holding information on a specific curve. + * + * @note This structure cannot be used to create a new variable. Only the variables defined by this + * library can be used, e.g. @ref g_nrf_crypto_ecc_secp256r1_curve_info. + */ +typedef struct nrf_crypto_ecc_curve_info_s +{ + uint16_t public_key_size; /**< @brief Size of a structure holding internal public key. */ + uint16_t private_key_size; /**< @brief Size of a structure holding internal private key. */ + nrf_crypto_ecc_curve_type_t curve_type; /**< @brief Type of the curve. */ + uint8_t raw_private_key_size; /**< @brief Size of a buffer containing raw private key. */ + uint8_t raw_public_key_size; /**< @brief Size of a buffer containing raw public key. */ + void * p_backend_data; /**< @brief Field to hold backend specific internal data. */ +} nrf_crypto_ecc_curve_info_t; + + +/** @addtogroup nrf_crypto_ecc_secp160r1 + * @{ */ + +typedef nrf_crypto_backend_secp160r1_key_pair_generate_context_t + nrf_crypto_ecc_secp160r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp160r1 (NIST 160-bit). */ +typedef nrf_crypto_backend_secp160r1_public_key_calculate_context_t + nrf_crypto_ecc_secp160r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp160r1 (NIST 160-bit). */ +typedef nrf_crypto_backend_secp160r1_private_key_t + nrf_crypto_ecc_secp160r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp160r1 (NIST 160-bit) */ +typedef nrf_crypto_backend_secp160r1_public_key_t + nrf_crypto_ecc_secp160r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp160r1 (NIST 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP160R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp160r1 (NIST 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP160R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp160r1 (NIST 160-bit) */ + + +#if NRF_CRYPTO_ECC_SECP160R1_ENABLED + +/** @brief Variable containing information on secp160r1 (NIST 160-bit). + * + * It can be used as a parameter for the functions creating secp160r1 (NIST 160-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp160r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp160r2 + * @{ */ + +typedef nrf_crypto_backend_secp160r2_key_pair_generate_context_t + nrf_crypto_ecc_secp160r2_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp160r2 (NIST 160-bit). */ +typedef nrf_crypto_backend_secp160r2_public_key_calculate_context_t + nrf_crypto_ecc_secp160r2_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp160r2 (NIST 160-bit). */ +typedef nrf_crypto_backend_secp160r2_private_key_t + nrf_crypto_ecc_secp160r2_private_key_t; /**< @brief Structure holding internal representation of a private key for secp160r2 (NIST 160-bit) */ +typedef nrf_crypto_backend_secp160r2_public_key_t + nrf_crypto_ecc_secp160r2_public_key_t; /**< @brief Structure holding internal representation of a public key for secp160r2 (NIST 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160r2_raw_private_key_t + [NRF_CRYPTO_ECC_SECP160R2_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp160r2 (NIST 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160r2_raw_public_key_t + [NRF_CRYPTO_ECC_SECP160R2_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp160r2 (NIST 160-bit) */ + + +#if NRF_CRYPTO_ECC_SECP160R2_ENABLED + +/** @brief Variable containing information on secp160r2 (NIST 160-bit). + * + * It can be used as a parameter for the functions creating secp160r2 (NIST 160-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp160r2_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp192r1 + * @{ */ + +typedef nrf_crypto_backend_secp192r1_key_pair_generate_context_t + nrf_crypto_ecc_secp192r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp192r1 (NIST 192-bit). */ +typedef nrf_crypto_backend_secp192r1_public_key_calculate_context_t + nrf_crypto_ecc_secp192r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp192r1 (NIST 192-bit). */ +typedef nrf_crypto_backend_secp192r1_private_key_t + nrf_crypto_ecc_secp192r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp192r1 (NIST 192-bit) */ +typedef nrf_crypto_backend_secp192r1_public_key_t + nrf_crypto_ecc_secp192r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp192r1 (NIST 192-bit) */ +typedef uint8_t nrf_crypto_ecc_secp192r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP192R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp192r1 (NIST 192-bit) */ +typedef uint8_t nrf_crypto_ecc_secp192r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP192R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp192r1 (NIST 192-bit) */ + + +#if NRF_CRYPTO_ECC_SECP192R1_ENABLED + +/** @brief Variable containing information on secp192r1 (NIST 192-bit). + * + * It can be used as a parameter for the functions creating secp192r1 (NIST 192-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp192r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp224r1 + * @{ */ + +typedef nrf_crypto_backend_secp224r1_key_pair_generate_context_t + nrf_crypto_ecc_secp224r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp224r1 (NIST 224-bit). */ +typedef nrf_crypto_backend_secp224r1_public_key_calculate_context_t + nrf_crypto_ecc_secp224r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp224r1 (NIST 224-bit). */ +typedef nrf_crypto_backend_secp224r1_private_key_t + nrf_crypto_ecc_secp224r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp224r1 (NIST 224-bit) */ +typedef nrf_crypto_backend_secp224r1_public_key_t + nrf_crypto_ecc_secp224r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp224r1 (NIST 224-bit) */ +typedef uint8_t nrf_crypto_ecc_secp224r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP224R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp224r1 (NIST 224-bit) */ +typedef uint8_t nrf_crypto_ecc_secp224r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP224R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp224r1 (NIST 224-bit) */ + + +#if NRF_CRYPTO_ECC_SECP224R1_ENABLED + +/** @brief Variable containing information on secp224r1 (NIST 224-bit). + * + * It can be used as a parameter for the functions creating secp224r1 (NIST 224-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp224r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp256r1 + * @{ */ + +typedef nrf_crypto_backend_secp256r1_key_pair_generate_context_t + nrf_crypto_ecc_secp256r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp256r1 (NIST 256-bit). */ +typedef nrf_crypto_backend_secp256r1_public_key_calculate_context_t + nrf_crypto_ecc_secp256r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp256r1 (NIST 256-bit). */ +typedef nrf_crypto_backend_secp256r1_private_key_t + nrf_crypto_ecc_secp256r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp256r1 (NIST 256-bit) */ +typedef nrf_crypto_backend_secp256r1_public_key_t + nrf_crypto_ecc_secp256r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp256r1 (NIST 256-bit) */ +typedef uint8_t nrf_crypto_ecc_secp256r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP256R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp256r1 (NIST 256-bit) */ +typedef uint8_t nrf_crypto_ecc_secp256r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP256R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp256r1 (NIST 256-bit) */ + + +#if NRF_CRYPTO_ECC_SECP256R1_ENABLED + +/** @brief Variable containing information on secp256r1 (NIST 256-bit). + * + * It can be used as a parameter for the functions creating secp256r1 (NIST 256-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp256r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp384r1 + * @{ */ + +typedef nrf_crypto_backend_secp384r1_key_pair_generate_context_t + nrf_crypto_ecc_secp384r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp384r1 (NIST 384-bit). */ +typedef nrf_crypto_backend_secp384r1_public_key_calculate_context_t + nrf_crypto_ecc_secp384r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp384r1 (NIST 384-bit). */ +typedef nrf_crypto_backend_secp384r1_private_key_t + nrf_crypto_ecc_secp384r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp384r1 (NIST 384-bit) */ +typedef nrf_crypto_backend_secp384r1_public_key_t + nrf_crypto_ecc_secp384r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp384r1 (NIST 384-bit) */ +typedef uint8_t nrf_crypto_ecc_secp384r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP384R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp384r1 (NIST 384-bit) */ +typedef uint8_t nrf_crypto_ecc_secp384r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP384R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp384r1 (NIST 384-bit) */ + + +#if NRF_CRYPTO_ECC_SECP384R1_ENABLED + +/** @brief Variable containing information on secp384r1 (NIST 384-bit). + * + * It can be used as a parameter for the functions creating secp384r1 (NIST 384-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp384r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp521r1 + * @{ */ + +typedef nrf_crypto_backend_secp521r1_key_pair_generate_context_t + nrf_crypto_ecc_secp521r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp521r1 (NIST 521-bit). */ +typedef nrf_crypto_backend_secp521r1_public_key_calculate_context_t + nrf_crypto_ecc_secp521r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp521r1 (NIST 521-bit). */ +typedef nrf_crypto_backend_secp521r1_private_key_t + nrf_crypto_ecc_secp521r1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp521r1 (NIST 521-bit) */ +typedef nrf_crypto_backend_secp521r1_public_key_t + nrf_crypto_ecc_secp521r1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp521r1 (NIST 521-bit) */ +typedef uint8_t nrf_crypto_ecc_secp521r1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP521R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp521r1 (NIST 521-bit) */ +typedef uint8_t nrf_crypto_ecc_secp521r1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP521R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp521r1 (NIST 521-bit) */ + + +#if NRF_CRYPTO_ECC_SECP521R1_ENABLED + +/** @brief Variable containing information on secp521r1 (NIST 521-bit). + * + * It can be used as a parameter for the functions creating secp521r1 (NIST 521-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp521r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp160k1 + * @{ */ + +typedef nrf_crypto_backend_secp160k1_key_pair_generate_context_t + nrf_crypto_ecc_secp160k1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp160k1 (Koblitz 160-bit). */ +typedef nrf_crypto_backend_secp160k1_public_key_calculate_context_t + nrf_crypto_ecc_secp160k1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp160k1 (Koblitz 160-bit). */ +typedef nrf_crypto_backend_secp160k1_private_key_t + nrf_crypto_ecc_secp160k1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp160k1 (Koblitz 160-bit) */ +typedef nrf_crypto_backend_secp160k1_public_key_t + nrf_crypto_ecc_secp160k1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp160k1 (Koblitz 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160k1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP160K1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp160k1 (Koblitz 160-bit) */ +typedef uint8_t nrf_crypto_ecc_secp160k1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP160K1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp160k1 (Koblitz 160-bit) */ + + +#if NRF_CRYPTO_ECC_SECP160K1_ENABLED + +/** @brief Variable containing information on secp160k1 (Koblitz 160-bit). + * + * It can be used as a parameter for the functions creating secp160k1 (Koblitz 160-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp160k1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp192k1 + * @{ */ + +typedef nrf_crypto_backend_secp192k1_key_pair_generate_context_t + nrf_crypto_ecc_secp192k1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp192k1 (Koblitz 192-bit). */ +typedef nrf_crypto_backend_secp192k1_public_key_calculate_context_t + nrf_crypto_ecc_secp192k1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp192k1 (Koblitz 192-bit). */ +typedef nrf_crypto_backend_secp192k1_private_key_t + nrf_crypto_ecc_secp192k1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp192k1 (Koblitz 192-bit) */ +typedef nrf_crypto_backend_secp192k1_public_key_t + nrf_crypto_ecc_secp192k1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp192k1 (Koblitz 192-bit) */ +typedef uint8_t nrf_crypto_ecc_secp192k1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP192K1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp192k1 (Koblitz 192-bit) */ +typedef uint8_t nrf_crypto_ecc_secp192k1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP192K1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp192k1 (Koblitz 192-bit) */ + + +#if NRF_CRYPTO_ECC_SECP192K1_ENABLED + +/** @brief Variable containing information on secp192k1 (Koblitz 192-bit). + * + * It can be used as a parameter for the functions creating secp192k1 (Koblitz 192-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp192k1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp224k1 + * @{ */ + +typedef nrf_crypto_backend_secp224k1_key_pair_generate_context_t + nrf_crypto_ecc_secp224k1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp224k1 (Koblitz 224-bit). */ +typedef nrf_crypto_backend_secp224k1_public_key_calculate_context_t + nrf_crypto_ecc_secp224k1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp224k1 (Koblitz 224-bit). */ +typedef nrf_crypto_backend_secp224k1_private_key_t + nrf_crypto_ecc_secp224k1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp224k1 (Koblitz 224-bit) */ +typedef nrf_crypto_backend_secp224k1_public_key_t + nrf_crypto_ecc_secp224k1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp224k1 (Koblitz 224-bit) */ +typedef uint8_t nrf_crypto_ecc_secp224k1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP224K1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp224k1 (Koblitz 224-bit) */ +typedef uint8_t nrf_crypto_ecc_secp224k1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP224K1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp224k1 (Koblitz 224-bit) */ + + +#if NRF_CRYPTO_ECC_SECP224K1_ENABLED + +/** @brief Variable containing information on secp224k1 (Koblitz 224-bit). + * + * It can be used as a parameter for the functions creating secp224k1 (Koblitz 224-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp224k1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_secp256k1 + * @{ */ + +typedef nrf_crypto_backend_secp256k1_key_pair_generate_context_t + nrf_crypto_ecc_secp256k1_key_pair_generate_context_t; /**< @brief Context structure for key generation using secp256k1 (Koblitz 256-bit). */ +typedef nrf_crypto_backend_secp256k1_public_key_calculate_context_t + nrf_crypto_ecc_secp256k1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using secp256k1 (Koblitz 256-bit). */ +typedef nrf_crypto_backend_secp256k1_private_key_t + nrf_crypto_ecc_secp256k1_private_key_t; /**< @brief Structure holding internal representation of a private key for secp256k1 (Koblitz 256-bit) */ +typedef nrf_crypto_backend_secp256k1_public_key_t + nrf_crypto_ecc_secp256k1_public_key_t; /**< @brief Structure holding internal representation of a public key for secp256k1 (Koblitz 256-bit) */ +typedef uint8_t nrf_crypto_ecc_secp256k1_raw_private_key_t + [NRF_CRYPTO_ECC_SECP256K1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for secp256k1 (Koblitz 256-bit) */ +typedef uint8_t nrf_crypto_ecc_secp256k1_raw_public_key_t + [NRF_CRYPTO_ECC_SECP256K1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for secp256k1 (Koblitz 256-bit) */ + + +#if NRF_CRYPTO_ECC_SECP256K1_ENABLED + +/** @brief Variable containing information on secp256k1 (Koblitz 256-bit). + * + * It can be used as a parameter for the functions creating secp256k1 (Koblitz 256-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_secp256k1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_bp256r1 + * @{ */ + +typedef nrf_crypto_backend_bp256r1_key_pair_generate_context_t + nrf_crypto_ecc_bp256r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using bp256r1 (Brainpool 256-bit). */ +typedef nrf_crypto_backend_bp256r1_public_key_calculate_context_t + nrf_crypto_ecc_bp256r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using bp256r1 (Brainpool 256-bit). */ +typedef nrf_crypto_backend_bp256r1_private_key_t + nrf_crypto_ecc_bp256r1_private_key_t; /**< @brief Structure holding internal representation of a private key for bp256r1 (Brainpool 256-bit) */ +typedef nrf_crypto_backend_bp256r1_public_key_t + nrf_crypto_ecc_bp256r1_public_key_t; /**< @brief Structure holding internal representation of a public key for bp256r1 (Brainpool 256-bit) */ +typedef uint8_t nrf_crypto_ecc_bp256r1_raw_private_key_t + [NRF_CRYPTO_ECC_BP256R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for bp256r1 (Brainpool 256-bit) */ +typedef uint8_t nrf_crypto_ecc_bp256r1_raw_public_key_t + [NRF_CRYPTO_ECC_BP256R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for bp256r1 (Brainpool 256-bit) */ + + +#if NRF_CRYPTO_ECC_BP256R1_ENABLED + +/** @brief Variable containing information on bp256r1 (Brainpool 256-bit). + * + * It can be used as a parameter for the functions creating bp256r1 (Brainpool 256-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_bp256r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_bp384r1 + * @{ */ + +typedef nrf_crypto_backend_bp384r1_key_pair_generate_context_t + nrf_crypto_ecc_bp384r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using bp384r1 (Brainpool 384-bit). */ +typedef nrf_crypto_backend_bp384r1_public_key_calculate_context_t + nrf_crypto_ecc_bp384r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using bp384r1 (Brainpool 384-bit). */ +typedef nrf_crypto_backend_bp384r1_private_key_t + nrf_crypto_ecc_bp384r1_private_key_t; /**< @brief Structure holding internal representation of a private key for bp384r1 (Brainpool 384-bit) */ +typedef nrf_crypto_backend_bp384r1_public_key_t + nrf_crypto_ecc_bp384r1_public_key_t; /**< @brief Structure holding internal representation of a public key for bp384r1 (Brainpool 384-bit) */ +typedef uint8_t nrf_crypto_ecc_bp384r1_raw_private_key_t + [NRF_CRYPTO_ECC_BP384R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for bp384r1 (Brainpool 384-bit) */ +typedef uint8_t nrf_crypto_ecc_bp384r1_raw_public_key_t + [NRF_CRYPTO_ECC_BP384R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for bp384r1 (Brainpool 384-bit) */ + + +#if NRF_CRYPTO_ECC_BP384R1_ENABLED + +/** @brief Variable containing information on bp384r1 (Brainpool 384-bit). + * + * It can be used as a parameter for the functions creating bp384r1 (Brainpool 384-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_bp384r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_bp512r1 + * @{ */ + +typedef nrf_crypto_backend_bp512r1_key_pair_generate_context_t + nrf_crypto_ecc_bp512r1_key_pair_generate_context_t; /**< @brief Context structure for key generation using bp512r1 (Brainpool 512-bit). */ +typedef nrf_crypto_backend_bp512r1_public_key_calculate_context_t + nrf_crypto_ecc_bp512r1_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using bp512r1 (Brainpool 512-bit). */ +typedef nrf_crypto_backend_bp512r1_private_key_t + nrf_crypto_ecc_bp512r1_private_key_t; /**< @brief Structure holding internal representation of a private key for bp512r1 (Brainpool 512-bit) */ +typedef nrf_crypto_backend_bp512r1_public_key_t + nrf_crypto_ecc_bp512r1_public_key_t; /**< @brief Structure holding internal representation of a public key for bp512r1 (Brainpool 512-bit) */ +typedef uint8_t nrf_crypto_ecc_bp512r1_raw_private_key_t + [NRF_CRYPTO_ECC_BP512R1_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for bp512r1 (Brainpool 512-bit) */ +typedef uint8_t nrf_crypto_ecc_bp512r1_raw_public_key_t + [NRF_CRYPTO_ECC_BP512R1_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for bp512r1 (Brainpool 512-bit) */ + + +#if NRF_CRYPTO_ECC_BP512R1_ENABLED + +/** @brief Variable containing information on bp512r1 (Brainpool 512-bit). + * + * It can be used as a parameter for the functions creating bp512r1 (Brainpool 512-bit) keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_bp512r1_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_curve25519 + * @{ */ + +typedef nrf_crypto_backend_curve25519_key_pair_generate_context_t + nrf_crypto_ecc_curve25519_key_pair_generate_context_t; /**< @brief Context structure for key generation using Curve25519. */ +typedef nrf_crypto_backend_curve25519_public_key_calculate_context_t + nrf_crypto_ecc_curve25519_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using Curve25519. */ +typedef nrf_crypto_backend_curve25519_private_key_t + nrf_crypto_ecc_curve25519_private_key_t; /**< @brief Structure holding internal representation of a private key for Curve25519 */ +typedef nrf_crypto_backend_curve25519_public_key_t + nrf_crypto_ecc_curve25519_public_key_t; /**< @brief Structure holding internal representation of a public key for Curve25519 */ +typedef uint8_t nrf_crypto_ecc_curve25519_raw_private_key_t + [NRF_CRYPTO_ECC_CURVE25519_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for Curve25519 */ +typedef uint8_t nrf_crypto_ecc_curve25519_raw_public_key_t + [NRF_CRYPTO_ECC_CURVE25519_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for Curve25519 */ + + +#if NRF_CRYPTO_ECC_CURVE25519_ENABLED + +/** @brief Variable containing information on Curve25519. + * + * It can be used as a parameter for the functions creating Curve25519 keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_curve25519_curve_info; + +#endif + +/** @} */ + + +/** @addtogroup nrf_crypto_ecc_ed25519 + * @{ */ + +typedef nrf_crypto_backend_ed25519_key_pair_generate_context_t + nrf_crypto_ecc_ed25519_key_pair_generate_context_t; /**< @brief Context structure for key generation using Ed25519. */ +typedef nrf_crypto_backend_ed25519_public_key_calculate_context_t + nrf_crypto_ecc_ed25519_public_key_calculate_context_t; /**< @brief Context structure for public key calculation using Ed25519. */ +typedef nrf_crypto_backend_ed25519_private_key_t + nrf_crypto_ecc_ed25519_private_key_t; /**< @brief Structure holding internal representation of a private key for Ed25519 */ +typedef nrf_crypto_backend_ed25519_public_key_t + nrf_crypto_ecc_ed25519_public_key_t; /**< @brief Structure holding internal representation of a public key for Ed25519 */ +typedef uint8_t nrf_crypto_ecc_ed25519_raw_private_key_t + [NRF_CRYPTO_ECC_ED25519_RAW_PRIVATE_KEY_SIZE]; /**< @brief Array holding raw private key for Ed25519 */ +typedef uint8_t nrf_crypto_ecc_ed25519_raw_public_key_t + [NRF_CRYPTO_ECC_ED25519_RAW_PUBLIC_KEY_SIZE]; /**< @brief Array holding raw public key for Ed25519 */ + + +#if NRF_CRYPTO_ECC_ED25519_ENABLED + +/** @brief Variable containing information on Ed25519. + * + * It can be used as a parameter for the functions creating Ed25519 keys. + */ +extern const nrf_crypto_ecc_curve_info_t g_nrf_crypto_ecc_ed25519_curve_info; + +#endif + +/** @} */ + + +typedef uint8_t nrf_crypto_ecc_raw_private_key_t[NRF_CRYPTO_ECC_RAW_PRIVATE_KEY_MAX_SIZE]; /**< @brief Type big enough to hold a raw private key for any the enabled curves. */ +typedef uint8_t nrf_crypto_ecc_raw_public_key_t [NRF_CRYPTO_ECC_RAW_PUBLIC_KEY_MAX_SIZE]; /**< @brief Type big enough to hold a raw public key for any the enabled curves. */ + + +/** @brief Union holding a context for a key pair generation. + */ +typedef union +{ + nrf_crypto_ecc_secp160r1_key_pair_generate_context_t context_secp160r1; /**< @brief Holds context for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecc_secp160r2_key_pair_generate_context_t context_secp160r2; /**< @brief Holds context for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecc_secp192r1_key_pair_generate_context_t context_secp192r1; /**< @brief Holds context for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecc_secp224r1_key_pair_generate_context_t context_secp224r1; /**< @brief Holds context for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecc_secp256r1_key_pair_generate_context_t context_secp256r1; /**< @brief Holds context for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecc_secp384r1_key_pair_generate_context_t context_secp384r1; /**< @brief Holds context for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecc_secp521r1_key_pair_generate_context_t context_secp521r1; /**< @brief Holds context for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecc_secp160k1_key_pair_generate_context_t context_secp160k1; /**< @brief Holds context for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecc_secp192k1_key_pair_generate_context_t context_secp192k1; /**< @brief Holds context for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecc_secp224k1_key_pair_generate_context_t context_secp224k1; /**< @brief Holds context for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecc_secp256k1_key_pair_generate_context_t context_secp256k1; /**< @brief Holds context for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecc_bp256r1_key_pair_generate_context_t context_bp256r1; /**< @brief Holds context for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecc_bp384r1_key_pair_generate_context_t context_bp384r1; /**< @brief Holds context for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecc_bp512r1_key_pair_generate_context_t context_bp512r1; /**< @brief Holds context for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecc_curve25519_key_pair_generate_context_t context_curve25519; /**< @brief Holds context for Curve25519. */ + nrf_crypto_ecc_ed25519_key_pair_generate_context_t context_ed25519; /**< @brief Holds context for Ed25519. */ +} nrf_crypto_ecc_key_pair_generate_context_t; + + +/** @brief Union holding a context for a public key calculation. + */ +typedef union +{ + nrf_crypto_ecc_secp160r1_public_key_calculate_context_t context_secp160r1; /**< @brief Holds context for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecc_secp160r2_public_key_calculate_context_t context_secp160r2; /**< @brief Holds context for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecc_secp192r1_public_key_calculate_context_t context_secp192r1; /**< @brief Holds context for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecc_secp224r1_public_key_calculate_context_t context_secp224r1; /**< @brief Holds context for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecc_secp256r1_public_key_calculate_context_t context_secp256r1; /**< @brief Holds context for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecc_secp384r1_public_key_calculate_context_t context_secp384r1; /**< @brief Holds context for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecc_secp521r1_public_key_calculate_context_t context_secp521r1; /**< @brief Holds context for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecc_secp160k1_public_key_calculate_context_t context_secp160k1; /**< @brief Holds context for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecc_secp192k1_public_key_calculate_context_t context_secp192k1; /**< @brief Holds context for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecc_secp224k1_public_key_calculate_context_t context_secp224k1; /**< @brief Holds context for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecc_secp256k1_public_key_calculate_context_t context_secp256k1; /**< @brief Holds context for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecc_bp256r1_public_key_calculate_context_t context_bp256r1; /**< @brief Holds context for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecc_bp384r1_public_key_calculate_context_t context_bp384r1; /**< @brief Holds context for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecc_bp512r1_public_key_calculate_context_t context_bp512r1; /**< @brief Holds context for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecc_curve25519_public_key_calculate_context_t context_curve25519; /**< @brief Holds context for Curve25519. */ + nrf_crypto_ecc_ed25519_public_key_calculate_context_t context_ed25519; /**< @brief Holds context for Ed25519. */ +} nrf_crypto_ecc_public_key_calculate_context_t; + + +/** @brief Union holding representation of a private key for any curve type. + */ +typedef union +{ + nrf_crypto_ecc_secp160r1_private_key_t key_secp160r1; /**< @brief Holds internal representation of a private key for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecc_secp160r2_private_key_t key_secp160r2; /**< @brief Holds internal representation of a private key for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecc_secp192r1_private_key_t key_secp192r1; /**< @brief Holds internal representation of a private key for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecc_secp224r1_private_key_t key_secp224r1; /**< @brief Holds internal representation of a private key for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecc_secp256r1_private_key_t key_secp256r1; /**< @brief Holds internal representation of a private key for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecc_secp384r1_private_key_t key_secp384r1; /**< @brief Holds internal representation of a private key for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecc_secp521r1_private_key_t key_secp521r1; /**< @brief Holds internal representation of a private key for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecc_secp160k1_private_key_t key_secp160k1; /**< @brief Holds internal representation of a private key for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecc_secp192k1_private_key_t key_secp192k1; /**< @brief Holds internal representation of a private key for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecc_secp224k1_private_key_t key_secp224k1; /**< @brief Holds internal representation of a private key for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecc_secp256k1_private_key_t key_secp256k1; /**< @brief Holds internal representation of a private key for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecc_bp256r1_private_key_t key_bp256r1; /**< @brief Holds internal representation of a private key for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecc_bp384r1_private_key_t key_bp384r1; /**< @brief Holds internal representation of a private key for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecc_bp512r1_private_key_t key_bp512r1; /**< @brief Holds internal representation of a private key for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecc_curve25519_private_key_t key_curve25519; /**< @brief Holds internal representation of a private key for Curve25519. */ + nrf_crypto_ecc_ed25519_private_key_t key_ed25519; /**< @brief Holds internal representation of a private key for Ed25519. */ +} nrf_crypto_ecc_private_key_t; + + +/** @brief Union holding representation of a public key for any curve type. + */ +typedef union +{ + nrf_crypto_ecc_secp160r1_public_key_t key_secp160r1; /**< @brief Holds internal representation of a public key for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecc_secp160r2_public_key_t key_secp160r2; /**< @brief Holds internal representation of a public key for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecc_secp192r1_public_key_t key_secp192r1; /**< @brief Holds internal representation of a public key for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecc_secp224r1_public_key_t key_secp224r1; /**< @brief Holds internal representation of a public key for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecc_secp256r1_public_key_t key_secp256r1; /**< @brief Holds internal representation of a public key for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecc_secp384r1_public_key_t key_secp384r1; /**< @brief Holds internal representation of a public key for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecc_secp521r1_public_key_t key_secp521r1; /**< @brief Holds internal representation of a public key for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecc_secp160k1_public_key_t key_secp160k1; /**< @brief Holds internal representation of a public key for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecc_secp192k1_public_key_t key_secp192k1; /**< @brief Holds internal representation of a public key for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecc_secp224k1_public_key_t key_secp224k1; /**< @brief Holds internal representation of a public key for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecc_secp256k1_public_key_t key_secp256k1; /**< @brief Holds internal representation of a public key for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecc_bp256r1_public_key_t key_bp256r1; /**< @brief Holds internal representation of a public key for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecc_bp384r1_public_key_t key_bp384r1; /**< @brief Holds internal representation of a public key for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecc_bp512r1_public_key_t key_bp512r1; /**< @brief Holds internal representation of a public key for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecc_curve25519_public_key_t key_curve25519; /**< @brief Holds internal representation of a public key for Curve25519. */ + nrf_crypto_ecc_ed25519_public_key_t key_ed25519; /**< @brief Holds internal representation of a public key for Ed25519. */ +} nrf_crypto_ecc_public_key_t; + + +/** @brief Generate a new pair of a public key and a private key. + * + * Generated keys have to deallocated using @ref nrf_crypto_ecc_private_key_free and + * @ref nrf_crypto_ecc_public_key_free. + * @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_curve_info Pointer to information on selected curve. Use only global variables + * defined by nrf_crypto, e.g. @ref g_nrf_crypto_ecc_secp256r1_curve_info. + * @param[out] p_private_key Pointer to structure where newly generated private key will be put. + * @param[out] p_public_key Pointer to structure where newly generated public key will be put. + */ +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); + + +/** @brief Calculate public key associated with provided private key. + * + * Calculated public key has to be deallocated using @ref nrf_crypto_ecc_public_key_free. + * @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_private_key Pointer to structure holding a private key that will be used for computation. + * @param[out] p_public_key Pointer to structure where newly generated public key will be put. + */ +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); + + +/** @brief Create a private key from a raw data. + * + * Generated private key has to be deallocated using @ref nrf_crypto_ecc_private_key_free. + * @param[in] p_curve_info Pointer to information on selected curve. Use only global variables + * defined by nrf_crypto, e.g. @ref g_nrf_crypto_ecc_secp256r1_curve_info. + * @param[out] p_private_key Pointer to structure where newly converted private key will be put. + * @param[in] p_raw_data Pointer to buffer containing a big endian raw data. + * @param[in] raw_data_size Number of bytes of a raw data. Correct size for selected curve can be found in + * @p p_curve_info and it is also defined by the preprocessor definitions, e.g. + * @ref NRF_CRYPTO_ECC_SECP256R1_RAW_PRIVATE_KEY_SIZE. + */ +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); + + +/** @brief Convert a private key to a raw data. + * + * @param[in] p_private_key Pointer to structure holding private key that will be convert. + * @param[out] p_raw_data Pointer to buffer containing a big endian raw data. + * @param[in,out] p_raw_data_size Maximum number of bytes that @p p_raw_data buffer can hold on input + * and the actual number of bytes used by the raw data on output. + * Actual size for selected curve can be found in + * @ref nrf_crypto_ecc_curve_info_t and it is also defined by + * the preprocessor definitions, e.g. + * @ref NRF_CRYPTO_ECC_SECP256R1_RAW_PRIVATE_KEY_SIZE. + */ +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); + + +/** @brief Create a public key from a raw data. + * + * Generated public key has to be deallocated using @ref nrf_crypto_ecc_public_key_free. + * @param[in] p_curve_info Pointer to information on selected curve. Use only global variables + * defined by nrf_crypto, e.g. @ref g_nrf_crypto_ecc_secp256r1_curve_info. + * @param[out] p_public_key Pointer to structure where newly converted public key will be put. + * @param[in] p_raw_data Pointer to buffer containing a big endian raw data. + * @param[in] raw_data_size Number of bytes of a raw data. Correct size for selected curve can be found in + * @p p_curve_info and it is also defined by the preprocessor definitions, e.g. + * @ref NRF_CRYPTO_ECC_SECP256R1_RAW_PUBLIC_KEY_SIZE. + */ +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); + + +/** @brief Convert a public key to a raw data. + * + * @param[in] p_public_key Pointer to structure holding public key that will be convert. + * @param[out] p_raw_data Pointer to buffer containing a big endian raw data. + * @param[in,out] p_raw_data_size Maximum number of bytes that @p p_raw_data buffer can hold on input + * and the actual number of bytes used by the raw data on output. + * Actual size for selected curve can be found in + * @ref nrf_crypto_ecc_curve_info_t and it is also defined by + * the preprocessor definitions, e.g. + * @ref NRF_CRYPTO_ECC_SECP256R1_RAW_PUBLIC_KEY_SIZE. + */ +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); + + +/** @brief Release resources taken by a private key. + * + * @param[in] p_private_key Pointer to structure holding private key to release. + */ +ret_code_t nrf_crypto_ecc_private_key_free( + nrf_crypto_ecc_private_key_t * p_private_key); + + +/** @brief Release resources taken by a public key. + * + * @param[in] p_public_key Pointer to structure holding public key to release. + */ +ret_code_t nrf_crypto_ecc_public_key_free( + nrf_crypto_ecc_public_key_t * p_public_key); + + +/** @brief Gets curve information structure from provided key (private or public). + * + * @param[in] p_key Pointer to structure holding private or public key. + * @param[out] pp_curve_info Pointer to location where put retrieved pointer to curve information structure. + */ +ret_code_t nrf_crypto_ecc_curve_info_get( + void const * p_key, + nrf_crypto_ecc_curve_info_t const ** pp_curve_info); + + +/** @brief Inverts byte order of a big integers contained in a raw data. + * + * All the ECC API accepts only data with big endian integers, so this function have to be used + * if little endian is required. If input is in little endian byte order it will be converted + * to big endian. If input is in big endian byte order it will be converted to little endian. + * It works for ECC raw private key, raw public key, signature and shared secret. If raw data + * contains two big integers (e.g. R, S, or X, Y) each integer is inverted separately. + * If @p p_curve_info is NULL then all bytes in buffer will be inverted regardless what is the + * content of the buffer. + * + * @param[in] p_curve_info Pointer to information on selected curve. Use only global variables + * defined by nrf_crypto, e.g. @ref g_nrf_crypto_ecc_secp256r1_curve_info. + * @param[in] p_raw_input Pointer to buffer holding source data. + * @param[out] p_raw_output Pointer to buffer that will be filled with inverted byte order. + * This parameter can be the same as @p p_raw_input, otherwise the + * buffers cannot overlap. + * @param[in] raw_data_size Size of input and output buffer. + */ +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); + + +#ifdef __cplusplus +} +#endif + +/** @} + * @} + */ + +#endif // NRF_CRYPTO_ECC_H__ |