HL-PDJ-1/components/libraries/crypto/backend/cc310/cc310_backend_hmac.h

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#ifndef CC310_BACKEND_HMAC_H__
#define CC310_BACKEND_HMAC_H__

/** @file
 *
 * @defgroup nrf_crypto_cc310_backend_hmac CC310 backend for HMAC
 * @{
 * @ingroup nrf_crypto_cc310_backend
 *
 * @brief Backend wrapper for CryptoCell (CC310). None of these types should be used directly by the
 * application.
 */

#include "sdk_common.h"

#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310) &&                   \
        ( NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA256) || \
          NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA512) )

#include "nrf_crypto_hmac_shared.h"
#include "crys_hmac.h"

#ifdef __cplusplus
extern "C" {
#endif

#undef  NRF_CRYPTO_HMAC_ENABLED
#define NRF_CRYPTO_HMAC_ENABLED         1


/**
 * @internal @brief Internal context object used by the CC310 backend wrapper.
 *
 * @details The same type is used for all variants (hash types).
 *
 * @note This should never be used directly. Use @ref nrf_crypto_backend_hmac_sha256_context_t or
 * @ref nrf_crypto_backend_hmac_sha512_context_t instead.
 */
typedef struct
{
    nrf_crypto_hmac_internal_context_t  header;         //!< Internal nrf_crypto_hmac context header.
    CRYS_HMACUserContext_t              crys_context;   //!< CC310 context object.
} nrf_crypto_backend_cc310_hmac_context_t;


#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA256)

#if NRF_MODULE_ENABLED(NRF_CRYPTO_HMAC_SHA256)
#error "Duplicate definition of HMAC SHA-256. More than one backend enabled"
#endif // NRF_CRYPTO_HMAC_SHA256_ENABLED
#define NRF_CRYPTO_HMAC_SHA256_ENABLED  1

/**
 * @internal @brief Context for HMAC SHA256 using CC310 backend.
 */
typedef nrf_crypto_backend_cc310_hmac_context_t nrf_crypto_backend_hmac_sha256_context_t;

#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA256)

#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA512)

#if NRF_MODULE_ENABLED(NRF_CRYPTO_HMAC_SHA512)
#error "Duplicate definition of HMAC SHA-512. More than one backend enabled"
#endif // NRF_CRYPTO_HMAC_SHA512_ENABLED
#define NRF_CRYPTO_HMAC_SHA512_ENABLED  1

/**
 * @internal @brief Context for HMAC SHA512 using CC310 backend.
 */
typedef nrf_crypto_backend_cc310_hmac_context_t nrf_crypto_backend_hmac_sha512_context_t;

#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA256)

#ifdef __cplusplus
}
#endif

#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310) && ( NRF_MODULE_ENABLED((NRF_CRYPTO_BACKEND_CC310_HMAC_SHA256) || NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_HMAC_SHA512) )

/**@} */

#endif // CC310_BACKEND_HMAC_H__