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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecdsa.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecdsa.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecdsa.h new file mode 100644 index 0000000..a7726a5 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_ecdsa.h @@ -0,0 +1,252 @@ +/** + * 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_ECDSA_H__ +#define NRF_CRYPTO_ECDSA_H__ + +/** @addtogroup nrf_crypto + * @{ + * @addtogroup nrf_crypto_ecdsa Elliptic Curve Digital Signature (ECDSA) + * @{ + * @brief Provides elliptic curve cryptography functions for digital signature. + * + * @addtogroup nrf_crypto_ecdsa_secp160r1 Definitions specific to secp160r1 (NIST 160-bit) + * @addtogroup nrf_crypto_ecdsa_secp160r2 Definitions specific to secp160r2 (NIST 160-bit) + * @addtogroup nrf_crypto_ecdsa_secp192r1 Definitions specific to secp192r1 (NIST 192-bit) + * @addtogroup nrf_crypto_ecdsa_secp224r1 Definitions specific to secp224r1 (NIST 224-bit) + * @addtogroup nrf_crypto_ecdsa_secp256r1 Definitions specific to secp256r1 (NIST 256-bit) + * @addtogroup nrf_crypto_ecdsa_secp384r1 Definitions specific to secp384r1 (NIST 384-bit) + * @addtogroup nrf_crypto_ecdsa_secp521r1 Definitions specific to secp521r1 (NIST 521-bit) + * @addtogroup nrf_crypto_ecdsa_secp160k1 Definitions specific to secp160k1 (Koblitz 160-bit) + * @addtogroup nrf_crypto_ecdsa_secp192k1 Definitions specific to secp192k1 (Koblitz 192-bit) + * @addtogroup nrf_crypto_ecdsa_secp224k1 Definitions specific to secp224k1 (Koblitz 224-bit) + * @addtogroup nrf_crypto_ecdsa_secp256k1 Definitions specific to secp256k1 (Koblitz 256-bit) + * @addtogroup nrf_crypto_ecdsa_bp256r1 Definitions specific to bp256r1 (Brainpool 256-bit) + * @addtogroup nrf_crypto_ecdsa_bp384r1 Definitions specific to bp384r1 (Brainpool 384-bit) + * @addtogroup nrf_crypto_ecdsa_bp512r1 Definitions specific to bp512r1 (Brainpool 512-bit) + * @addtogroup nrf_crypto_ecdsa_curve25519 Definitions specific to Curve25519 + * @addtogroup nrf_crypto_ecdsa_ed25519 Definitions specific to Ed25519 + */ + +#include <stdint.h> +#include <stddef.h> + +#include "nrf_crypto_error.h" +#include "nrf_crypto_ecc.h" +#include "nrf_crypto_ecdsa_shared.h" +#include "nrf_crypto_ecdsa_backend.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#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 */ +#define NRF_CRYPTO_ECDSA_CURVE25519_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for Curve25519 curve. @ingroup nrf_crypto_ecdsa_curve25519 */ +#define NRF_CRYPTO_ECDSA_ED25519_SIGNATURE_SIZE (2 * 256 / 8) /**< @brief Size of a signature for Ed25519 curve. @ingroup nrf_crypto_ecdsa_ed25519 */ +#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. */ + + +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +typedef uint8_t nrf_crypto_ecdsa_ed25519_signature_t [NRF_CRYPTO_ECDSA_ED25519_SIGNATURE_SIZE]; /**< @brief Type to hold signature output for Ed25519 curve. @ingroup nrf_crypto_ecdsa_ed25519 */ +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. */ + + +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +typedef nrf_crypto_backend_ed25519_sign_context_t nrf_crypto_ecdsa_ed25519_sign_context_t; /**< @brief Context used to store temporary data during signing with curve Ed25519. @ingroup nrf_crypto_ecdsa_ed25519 */ + + +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +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 */ +typedef nrf_crypto_backend_ed25519_verify_context_t nrf_crypto_ecdsa_ed25519_verify_context_t; /**< @brief Context used to store temporary data during verifying with curve Ed25519. @ingroup nrf_crypto_ecdsa_ed25519 */ + + +/** @brief Union holding a context for ECDSA hash sign. + */ +typedef union +{ + nrf_crypto_ecdsa_secp160r1_sign_context_t context_secp160r1; /**< @brief Occupies space for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecdsa_secp160r2_sign_context_t context_secp160r2; /**< @brief Occupies space for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecdsa_secp192r1_sign_context_t context_secp192r1; /**< @brief Occupies space for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecdsa_secp224r1_sign_context_t context_secp224r1; /**< @brief Occupies space for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecdsa_secp256r1_sign_context_t context_secp256r1; /**< @brief Occupies space for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecdsa_secp384r1_sign_context_t context_secp384r1; /**< @brief Occupies space for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecdsa_secp521r1_sign_context_t context_secp521r1; /**< @brief Occupies space for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecdsa_secp160k1_sign_context_t context_secp160k1; /**< @brief Occupies space for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecdsa_secp192k1_sign_context_t context_secp192k1; /**< @brief Occupies space for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecdsa_secp224k1_sign_context_t context_secp224k1; /**< @brief Occupies space for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecdsa_secp256k1_sign_context_t context_secp256k1; /**< @brief Occupies space for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecdsa_bp256r1_sign_context_t context_bp256r1; /**< @brief Occupies space for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecdsa_bp384r1_sign_context_t context_bp384r1; /**< @brief Occupies space for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecdsa_bp512r1_sign_context_t context_bp512r1; /**< @brief Occupies space for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecdsa_curve25519_sign_context_t context_curve25519; /**< @brief Occupies space for Curve25519. */ + nrf_crypto_ecdsa_ed25519_sign_context_t context_ed25519; /**< @brief Occupies space for Ed25519. */ +} nrf_crypto_ecdsa_sign_context_t; + + +/** @brief Union holding a context for ECDSA hash verify. + */ +typedef union +{ + nrf_crypto_ecdsa_secp160r1_verify_context_t context_secp160r1; /**< @brief Occupies spece for secp160r1 (NIST 160-bit). */ + nrf_crypto_ecdsa_secp160r2_verify_context_t context_secp160r2; /**< @brief Occupies spece for secp160r2 (NIST 160-bit). */ + nrf_crypto_ecdsa_secp192r1_verify_context_t context_secp192r1; /**< @brief Occupies spece for secp192r1 (NIST 192-bit). */ + nrf_crypto_ecdsa_secp224r1_verify_context_t context_secp224r1; /**< @brief Occupies spece for secp224r1 (NIST 224-bit). */ + nrf_crypto_ecdsa_secp256r1_verify_context_t context_secp256r1; /**< @brief Occupies spece for secp256r1 (NIST 256-bit). */ + nrf_crypto_ecdsa_secp384r1_verify_context_t context_secp384r1; /**< @brief Occupies spece for secp384r1 (NIST 384-bit). */ + nrf_crypto_ecdsa_secp521r1_verify_context_t context_secp521r1; /**< @brief Occupies spece for secp521r1 (NIST 521-bit). */ + nrf_crypto_ecdsa_secp160k1_verify_context_t context_secp160k1; /**< @brief Occupies spece for secp160k1 (Koblitz 160-bit). */ + nrf_crypto_ecdsa_secp192k1_verify_context_t context_secp192k1; /**< @brief Occupies spece for secp192k1 (Koblitz 192-bit). */ + nrf_crypto_ecdsa_secp224k1_verify_context_t context_secp224k1; /**< @brief Occupies spece for secp224k1 (Koblitz 224-bit). */ + nrf_crypto_ecdsa_secp256k1_verify_context_t context_secp256k1; /**< @brief Occupies spece for secp256k1 (Koblitz 256-bit). */ + nrf_crypto_ecdsa_bp256r1_verify_context_t context_bp256r1; /**< @brief Occupies spece for bp256r1 (Brainpool 256-bit). */ + nrf_crypto_ecdsa_bp384r1_verify_context_t context_bp384r1; /**< @brief Occupies spece for bp384r1 (Brainpool 384-bit). */ + nrf_crypto_ecdsa_bp512r1_verify_context_t context_bp512r1; /**< @brief Occupies spece for bp512r1 (Brainpool 512-bit). */ + nrf_crypto_ecdsa_curve25519_verify_context_t context_curve25519; /**< @brief Occupies spece for Curve25519. */ + nrf_crypto_ecdsa_ed25519_verify_context_t context_ed25519; /**< @brief Occupies spece for Ed25519. */ +} nrf_crypto_ecdsa_verify_context_t; + + +/** @brief Sign 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_private_key Pointer to structure holding a private key. + * @param[in] p_hash Pointer to hash to sign. + * @param[in] hash_size Number of bytes in p_hash. + * @param[out] p_signature Pointer to buffer where digital signature will be put. + * @param[in,out] p_signature_size Maximum number of bytes that @p p_signature buffer can hold on input + * 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. + */ +ret_code_t nrf_crypto_ecdsa_sign( + nrf_crypto_ecdsa_sign_context_t * p_context, + nrf_crypto_ecc_private_key_t const * p_private_key, + uint8_t const * p_hash, + size_t hash_size, + uint8_t * p_signature, + size_t * p_signature_size); + + +/** @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__ |