ECDSALPF3HSM.h

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/*
 * Copyright (c) 2024-2025, Texas Instruments Incorporated
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 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
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 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef ti_drivers_ecdsa_ECDSALPF3HSM__include
#define ti_drivers_ecdsa_ECDSALPF3HSM__include

#include <stdint.h>
#include <stdbool.h>

#include <ti/drivers/ECDSA.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Defines */
/* The largest signature will be for NIST521 which will produce 72B per component (S and R) */
#define ECDSALPF3HSM_COMPONENT_VECTOR_LENGTH 144

#define ECDSALPF3HSM_STATUS_NO_VALID_CURVE_TYPE_PROVIDED (ECDSA_STATUS_RESERVED - 0)

#define ECDSALPF3HSM_STATUS_INVALID_KEY_ENCODING (ECDSA_STATUS_RESERVED - 1)

#define ECDSALPF3HSM_STATUS_HARDWARE_ERROR (ECDSA_STATUS_RESERVED - 2)

typedef struct
{
    uint8_t dummy;
} ECDSALPF3HSM_HWAttrs;

typedef enum
{
    ECDSA_DOMAIN_ID_SEC = 0,
    ECDSA_DOMAIN_ID_BRP = 1,
} ECDSA_DomainID;

typedef struct
{
    CryptoKey *key;
    uint32_t keyAssetID;
    uint32_t paramAssetID;
    uint32_t publicObjAssetID;
    uint32_t curveParamSize;
    uint8_t signature[ECDSALPF3HSM_COMPONENT_VECTOR_LENGTH] __attribute__((aligned(4)));
    int_fast16_t returnStatus;
    int_fast16_t hsmStatus;
    ECDSA_ReturnBehavior returnBehavior;
    uint32_t accessTimeout;
    ECDSA_CurveType curveType;
    ECDSA_DomainID domainId;
    ECDSA_CurveLength curveLength;
    ECDSA_DigestLength digestLength;
    ECDSA_OperationType operationType;
    ECDSA_Operation *operation;
    ECDSA_CallbackFxn callbackFxn;
    const uint8_t *curveParam;
    uint8_t *input;
    bool driverCreatedKeyAsset;
    bool isOpen;
} ECDSALPF3HSM_Object;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_ecdsa_ECDSALPF3HSM__include */