/**
 * 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
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 *    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.
 *
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#ifndef CC310_BACKEND_ECDSA_H__
#define CC310_BACKEND_ECDSA_H__

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

#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)

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


#ifdef __cplusplus
extern "C" {
#endif


/** @internal @brief Common structure holding context for ECDSA sign.
 */
typedef struct
{
    CRYS_ECDSA_SignUserContext_t user_context;        /**< @internal @brief Temporary buffer for CC310 internal storage */
} nrf_crypto_backend_cc310_sign_context_t;


/** @internal @brief Common structure holding context for ECDSA verify.
 */
typedef union
{
    CRYS_ECDSA_VerifyUserContext_t user_context;        /**< @internal @brief Temporary buffer for CC310 internal storage */
    CRYS_ECPKI_BUILD_TempData_t    key_build_temp_data; /**< @internal @brief Temporary buffer for CC310 public key build */
} nrf_crypto_backend_cc310_verify_context_t;


/** @internal See @ref nrf_crypto_backend_ecdsa_sign_fn_t.
 */
ret_code_t nrf_crypto_backend_cc310_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_cc310_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_CC310_ECC_SECP160R1)
#define NRF_CRYPTO_BACKEND_SECP160R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP160R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp160r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp160r1_verify_context_t;
#define nrf_crypto_backend_secp160r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp160r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP160R2)
#define NRF_CRYPTO_BACKEND_SECP160R2_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP160R2_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp160r2_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp160r2_verify_context_t;
#define nrf_crypto_backend_secp160r2_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp160r2_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP192R1)
#define NRF_CRYPTO_BACKEND_SECP192R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP192R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp192r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp192r1_verify_context_t;
#define nrf_crypto_backend_secp192r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp192r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP224R1)
#define NRF_CRYPTO_BACKEND_SECP224R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP224R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp224r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp224r1_verify_context_t;
#define nrf_crypto_backend_secp224r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp224r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP256R1)
#define NRF_CRYPTO_BACKEND_SECP256R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP256R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp256r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp256r1_verify_context_t;
#define nrf_crypto_backend_secp256r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp256r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP384R1)
#define NRF_CRYPTO_BACKEND_SECP384R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP384R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp384r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp384r1_verify_context_t;
#define nrf_crypto_backend_secp384r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp384r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP521R1)
#define NRF_CRYPTO_BACKEND_SECP521R1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP521R1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp521r1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp521r1_verify_context_t;
#define nrf_crypto_backend_secp521r1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp521r1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP160K1)
#define NRF_CRYPTO_BACKEND_SECP160K1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP160K1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp160k1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp160k1_verify_context_t;
#define nrf_crypto_backend_secp160k1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp160k1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP192K1)
#define NRF_CRYPTO_BACKEND_SECP192K1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP192K1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp192k1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp192k1_verify_context_t;
#define nrf_crypto_backend_secp192k1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp192k1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP224K1)
#define NRF_CRYPTO_BACKEND_SECP224K1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP224K1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp224k1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp224k1_verify_context_t;
#define nrf_crypto_backend_secp224k1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp224k1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_SECP256K1)
#define NRF_CRYPTO_BACKEND_SECP256K1_SIGN_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_sign_context_t)
#define NRF_CRYPTO_BACKEND_SECP256K1_VERIFY_CONTEXT_SIZE \
    sizeof(nrf_crypto_backend_cc310_verify_context_t)
typedef nrf_crypto_backend_cc310_sign_context_t   nrf_crypto_backend_secp256k1_sign_context_t;
typedef nrf_crypto_backend_cc310_verify_context_t nrf_crypto_backend_secp256k1_verify_context_t;
#define nrf_crypto_backend_secp256k1_sign         nrf_crypto_backend_cc310_sign
#define nrf_crypto_backend_secp256k1_verify       nrf_crypto_backend_cc310_verify
#endif


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_ECC_CURVE25519)
// Curve25519 is not designed for ECDSA
#define NRF_CRYPTO_BACKEND_CURVE25519_SIGN_CONTEXT_SIZE     0
#define NRF_CRYPTO_BACKEND_CURVE25519_VERIFY_CONTEXT_SIZE   0
typedef uint32_t                                  nrf_crypto_backend_curve25519_sign_context_t;
typedef uint32_t                                  nrf_crypto_backend_curve25519_verify_context_t;
#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_CC310)

#endif // CC310_BACKEND_ECDSA_H__
