EDDSAXXF3HSM.h

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/*
 * Copyright (c) 2025, Texas Instruments Incorporated
 * All rights reserved.
 *
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 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef ti_drivers_eddsa_EDDSAXXF3HSM__include
#define ti_drivers_eddsa_EDDSAXXF3HSM__include

#include <ti/drivers/EDDSA.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Defines */
/* The largest signature will be for NIST521 which will produce 72B per component (S and R) */
#define EDDSA_COMPONENT_VECTOR_LENGTH_BYTES 72
#define EDDSA_CURVE_LENGTH_25519            255

#define EDDSAXXF3HSM_STATUS_RESOURCE_UNAVAILABLE (ECDSA_STATUS_RESERVED - 0)

#define EDDSAXXF3HSM_STATUS_HARDWARE_ERROR (ECDSA_STATUS_RESERVED - 1)

#define EDDSAXXF3HSM_STATUS_INVALID_MESSAGE_LENGTH (ECDSA_STATUS_RESERVED - 2)

#define EDDSAXXF3HSM_STATUS_INVALID_KEY_ENCODING (ECDSA_STATUS_RESERVED - 3)

typedef struct
{
    uint16_t reserved1;
} EDDSAXXF3HSM_HWAttrs;

typedef struct
{
    CryptoKey *privateKey;
    CryptoKey *publicKey;
    bool isOpen;
    bool driverCreatedPrivateKeyAsset;
    bool driverCreatedPublicKeyAsset;
    int_fast16_t returnStatus;
    EDDSA_Operation *operation;
    EDDSA_OperationType operationType;
    EDDSA_CallbackFxn callbackFxn;
    EDDSA_ReturnBehavior returnBehavior;
    uint32_t semaphoreTimeout;
    int_fast16_t hsmStatus;
    uint32_t privateKeyAssetID;
    uint32_t publicKeyAssetID;
    uint32_t paramAssetID;
    uint32_t tempAssetID;
    uint32_t stateAssetID;
    const uint8_t *curveParam;
    uint32_t curveParamSize;
    uint8_t *input;
    size_t inputLength;
    size_t inputLengthRemaining;
    uint8_t signature[EDDSA_COMPONENT_VECTOR_LENGTH_BYTES];
} EDDSAXXF3HSM_Object;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_eddsa_EDDSAXXF3HSM__include */