/**
 * Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 */

#ifndef MBEDTLS_BACKEND_ECDSA_H__
#define MBEDTLS_BACKEND_ECDSA_H__

#include "sdk_config.h"
#include "nordic_common.h"

#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)

#include "nrf_crypto_ecc_shared.h"
#include "nrf_crypto_ecdsa_shared.h"


#ifdef __cplusplus
extern "C" {
#endif


/** @internal See @ref nrf_crypto_backend_ecdsa_sign_fn_t.
 */
ret_code_t nrf_crypto_backend_mbedtls_sign(
    void           * p_context,
    void     const * p_private_key,
    uint8_t  const * p_data,
    size_t           data_size,
    uint8_t        * p_signature);


/** @internal See @ref nrf_crypto_backend_ecdsa_verify_fn_t.
 */
ret_code_t nrf_crypto_backend_mbedtls_verify(
    void           * p_context,
    void     const * p_public_key,
    uint8_t  const * p_data,
    size_t           data_size,
    uint8_t  const * p_signature);


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP192R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP192R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP192R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp192r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp192r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp192r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp192r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP224R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP224R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP224R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp224r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp224r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp224r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp224r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP256R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP256R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP256R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp256r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp256r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp256r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp256r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP384R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP384R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP384R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp384r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp384r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp384r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp384r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP521R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP521R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP521R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp521r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp521r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp521r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp521r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP192K1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP192K1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP192K1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp192k1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp192k1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp192k1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp192k1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP224K1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP224K1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP224K1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp224k1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp224k1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp224k1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp224k1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP256K1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_SECP256K1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_SECP256K1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_secp256k1_sign_context_t;
typedef uint32_t nrf_crypto_backend_secp256k1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_secp256k1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_secp256k1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP256R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_BP256R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_BP256R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_bp256r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_bp256r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_bp256r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_bp256r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP384R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_BP384R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_BP384R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_bp384r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_bp384r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_bp384r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_bp384r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP512R1)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_BP512R1_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_BP512R1_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_bp512r1_sign_context_t;
typedef uint32_t nrf_crypto_backend_bp512r1_verify_context_t;
// Alias for common mbed TLS
#define nrf_crypto_backend_bp512r1_sign   nrf_crypto_backend_mbedtls_sign
#define nrf_crypto_backend_bp512r1_verify nrf_crypto_backend_mbedtls_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_CURVE25519)
// Context is not used by mbed TLS, so its size is 0
#define NRF_CRYPTO_BACKEND_CURVE25519_SIGN_CONTEXT_SIZE   0
#define NRF_CRYPTO_BACKEND_CURVE25519_VERIFY_CONTEXT_SIZE 0
// Dummy typedefs for unused contexts
typedef uint32_t nrf_crypto_backend_curve25519_sign_context_t;
typedef uint32_t nrf_crypto_backend_curve25519_verify_context_t;
// No ECDSA implementation for Curve25519
#define nrf_crypto_backend_curve25519_sign   NULL
#define nrf_crypto_backend_curve25519_verify NULL
#endif


#ifdef __cplusplus
}
#endif

#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)

#endif // MBEDTLS_BACKEND_ECDSA_H__
