AESCCMCC26X4.h

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/*
 * Copyright (c) 2021, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  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
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 */
#ifndef ti_drivers_aesccm_AESCCMCC26X4__include
#define ti_drivers_aesccm_AESCCMCC26X4__include

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

#include <ti/drivers/Power.h>
#include <ti/drivers/AESCCM.h>
#include <ti/drivers/cryptoutils/cryptokey/CryptoKey.h>

#include <ti/drivers/dpl/HwiP.h>
#include <ti/drivers/dpl/SwiP.h>
#include <ti/drivers/dpl/SemaphoreP.h>

#include <ti/devices/DeviceFamily.h>
#include DeviceFamily_constructPath(driverlib/aes.h)

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    uint8_t    intPriority;
} AESCCMCC26X4_HWAttrs;

typedef struct {
    uint32_t                        intermediateIV[AES_IV_LENGTH_BYTES / 4];
    uint32_t                        intermediateTag[AES_TAG_LENGTH_BYTES / 4];
    uint32_t                        blockCounter;
    uint32_t                        alignmentInfo;
    uint32_t                        semaphoreTimeout;
    AESCCM_CallbackFxn              callbackFxn;
    AESCCM_OperationUnion           *operation;
    size_t                          expectedAADLength;
    size_t                          expectedPlaintextLength;
    size_t                          actualAADLength;
    size_t                          actualPlaintextLength;
    CryptoKey                       key;
    volatile int_fast16_t           returnStatus;
    AESCCM_ReturnBehavior           returnBehavior;
    AESCCM_OperationType            operationType;
    /* MAC and nonceLength are stored for configuring the AESCTL register */
    uint8_t                         macLength;
    uint8_t                         nonceLength;
    /* Track when to set gcm_ccm_continue or continue_aad bit */
    bool                            continueAADOperation;
    bool                            continueDataOperation;
    bool                            isOpen;
    volatile bool                   operationInProgress;
    volatile bool                   hwBusy;
    volatile bool                   cryptoResourceLocked;
} AESCCMCC26X4_Object;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_aesccm_AESCCMCC26X4__include */