ECDHLPF3HSM.h

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/*
 * Copyright (c) 2024, Texas Instruments Incorporated
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 * *  Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
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 *    from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 */

#ifndef ti_drivers_ecdh_ECDHLPF3HSM__include
#define ti_drivers_ecdh_ECDHLPF3HSM__include

#include <stdint.h>
#include <stdbool.h>
#include <ti/drivers/ECDH.h>

#include <third_party/hsmddk/include/Kit/EIP130/DomainHelper/incl/eip130_domain_ecc_curves.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Defines */
/* The largest signature will be for NIST521 which will produce 72B per component (S and R) */
#define ECDH_COMPONENT_VECTOR_LENGTH 144

#define ECDHLPF3HSM_STATUS_HARDWARE_ERROR (ECDH_STATUS_RESERVED - 0)

#define ECDHLPF3HSM_STATUS_NO_VALID_CURVE_TYPE_PROVIDED (ECDH_STATUS_RESERVED - 1)

#define ECDHLPF3HSM_STATUS_INVALID_PRIVATE_KEY_ENCODING (ECDH_STATUS_RESERVED - 2)

#define ECDHLPF3HSM_STATUS_INVALID_PUBLIC_KEY_ENCODING (ECDH_STATUS_RESERVED - 3)

#define ECDHLPF3HSM_STATUS_INVALID_SHARED_SECRET_KEY_ENCODING (ECDH_STATUS_RESERVED - 4)

#define ECDHLPF3HSM_STATUS_INVALID_PRIVATE_KEY_SIZE (ECDH_STATUS_RESERVED - 5)

#define ECDHLPF3HSM_STATUS_INVALID_PUBLIC_KEY_SIZE (ECDH_STATUS_RESERVED - 6)

#define ECDHLPF3HSM_STATUS_INVALID_SHARED_SECRET_KEY_SIZE (ECDH_STATUS_RESERVED - 7)

#define ECDHLPF3HSM_STATUS_INVALID_ECC_KEYS (ECDH_STATUS_RESERVED - 8)

#define ECDHLPF3HSM_STATUS_INVALID_PUBLIC_KEY_OCTET_VALUE (ECDH_STATUS_RESERVED - 9)

typedef struct
{
    uint8_t reserved1;
} ECDHLPF3HSM_HWAttrs;

typedef enum
{
    ECDH_DOMAIN_ID_SEC = 0,
    ECDH_DOMAIN_ID_BRP = 1,
} ECDH_DomainID;

typedef struct
{
    const CryptoKey *privateKey;
    CryptoKey *publicKey;
    CryptoKey *sharedSecret;
    ECDH_CurveType curveType;
    ECDH_CurveLength curveLength;
    ECDH_DomainID domainId;
    Eip130Domain_ECCurveFamily_t curveFamily;
    ECDH_CallbackFxn callbackFxn;
    ECDH_Operation *operation;
    ECDH_OperationType operationType;
    ECDH_ReturnBehavior returnBehavior;
    ECDH_KeyMaterialEndianness keyMaterialEndianness;
    uint32_t accessTimeout;
    int_fast16_t returnStatus;
    int_fast16_t hsmStatus;
    uint32_t privateKeyAssetID;
    uint32_t publicKeyAssetID;
    uint32_t publicDataAssetID;
    uint32_t paramAssetID;
    const uint8_t *curveParam;
    uint32_t curveParamSize;
    uint8_t output[ECDH_COMPONENT_VECTOR_LENGTH];
    bool driverCreatedKeyAsset;
    bool isOpen;
} ECDHLPF3HSM_Object;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_ecdh_ECDHLPF3HSM__include */