aesdrv.h

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#ifndef __SILICON_LABS_AESDRV_H
#define __SILICON_LABS_AESDRV_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include "em_device.h"
#if ( defined(CRYPTO_COUNT) && (CRYPTO_COUNT > 0) ) || \
  ( defined(AES_COUNT) && (AES_COUNT > 0) )

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

#ifdef __cplusplus
extern "C" {
#endif

/*******************************************************************************
 ******************************* ERROR CODES  **********************************
 ******************************************************************************/

#define MBEDTLS_ECODE_AESDRV_NOT_SUPPORTED         ((int)MBEDTLS_ECODE_AESDRV_BASE | 0x1)
#define MBEDTLS_ECODE_AESDRV_AUTHENTICATION_FAILED ((int)MBEDTLS_ECODE_AESDRV_BASE | 0x2)
#define MBEDTLS_ECODE_AESDRV_OUT_OF_RESOURCES      ((int)MBEDTLS_ECODE_AESDRV_BASE | 0x3)
#define MBEDTLS_ECODE_AESDRV_INVALID_PARAM         ((int)MBEDTLS_ECODE_AESDRV_BASE | 0x4)

/*******************************************************************************
 *******************************   TYPEDEFS   **********************************
 ******************************************************************************/

typedef enum
{
  aesdrvIoModeCore,  
  aesdrvIoModeDma    
} AESDRV_IoMode_t;

typedef struct
{
  unsigned int dmaChIn;  
  unsigned int dmaChOut; 
} AESDRV_DmaConfig_t;

typedef union
{
  AESDRV_DmaConfig_t  dmaConfig;
} AESDRV_IoModeSpecific_t;

typedef void (*AESDRV_CtrCallback_t)(uint8_t *ctr);

#if ( defined(CRYPTO_COUNT) && (CRYPTO_COUNT > 0) )
#include "cryptodrv.h"

/* Main AESDRV context structure. */
typedef struct
{
  CRYPTODRV_Context_t     cryptodrvContext; 
  AESDRV_IoMode_t         ioMode;           
  AESDRV_IoModeSpecific_t ioModeSpecific;   
  bool                    authTagOptimize;  
} AESDRV_Context_t;
  
#elif ( defined(AES_COUNT) && (AES_COUNT > 0) )

typedef struct
{
  uint32_t                ccmCounter[4];    
} AESDRV_Context_t;
  
#endif

#ifdef __cplusplus
}
#endif

#endif /* #if ( defined(CRYPTO_COUNT) && (CRYPTO_COUNT > 0) ) || \
          ( defined(AES_COUNT) && (AES_COUNT > 0) ) */

#endif /* __SILICON_LABS_AESDRV_H */