#include <stdbool.h>
#include <stdint.h>
#include <inc/hw_types.h>
#include <inc/hw_memmap.h>
#include <inc/hw_ints.h>
#include <inc/hw_crypto.h>
#include <driverlib/debug.h>
#include <driverlib/interrupt.h>
#include <driverlib/cpu.h>

Macros
#define	AES_ECB_LENGTH 16

#define	CRYPTO_DMA_IN_DONE 0x00000002

#define	CRYPTO_RESULT_RDY 0x00000001

#define	CRYPTO_DMA_BUS_ERR 0x80000000

#define	CRYPTO_KEY_ST_WR_ERR 0x40000000

#define	CRYPTO_KEY_ST_RD_ERR 0x20000000

#define	CRYPTO_INT_LEVEL 0x00000001

#define	CRYPTO_INT_PULSE 0x00000000

#define	CRYPTO_DMA_CHAN0 0x00000001

#define	CRYPTO_DMA_CHAN1 0x00000002

#define	CRYPTO_AES128_ENCRYPT 0x0000000C

#define	CRYPTO_AES128_DECRYPT 0x00000008

#define	CRYPTO_DMA_READY 0x00000000

#define	CRYPTO_DMA_BSY 0x00000003

#define	CRYPTO_DMA_BUS_ERROR 0x00020000

#define	AES_SUCCESS 0

#define	AES_KEYSTORE_READ_ERROR 1

#define	AES_KEYSTORE_WRITE_ERROR 2

#define	AES_DMA_BUS_ERROR 3

#define	CCM_AUTHENTICATION_FAILED 4

#define	AES_ECB_TEST_ERROR 8

#define	AES_NULL_ERROR 9

#define	AES_CCM_TEST_ERROR 10

#define	AES_DMA_BSY 11

#define	STATE_BLENGTH 16

#define	KEY_BLENGTH 16

#define	KEY_EXP_LENGTH 176

#define	KEY_STORE_SIZE_128 0x00000001

#define	KEY_STORE_SIZE_192 0x00000002

#define	KEY_STORE_SIZE_256 0x00000003

#define	KEY_STORE_SIZE_BITS 0x00000003

#define	CRYPTO_KEY_AREA_0 0

#define	CRYPTO_KEY_AREA_1 1

#define	CRYPTO_KEY_AREA_2 2

#define	CRYPTO_KEY_AREA_3 3

#define	CRYPTO_KEY_AREA_4 4

#define	CRYPTO_KEY_AREA_5 5

#define	CRYPTO_KEY_AREA_6 6

#define	CRYPTO_KEY_AREA_7 7

#define	CRYPTO_AES_NONE 0

#define	CRYPTO_AES_KEYL0AD 1

#define	CRYPTO_AES_ECB 2

#define	CRYPTO_AES_CCM 3

#define	CRYPTO_AES_RNG 4

#define	CRYPTO_AES_CTR_32 0x0

#define	CRYPTO_AES_CTR_64 0x1

#define	CRYPTO_AES_CTR_96 0x2

#define	CRYPTO_AES_CTR_128 0x3

Functions
uint32_t	CRYPTOAesLoadKey (uint32_t *pui32AesKey, uint32_t ui32KeyLocation)
	Write the key into the Key Ram. More...

uint32_t	CRYPTOAesEcb (uint32_t pui32MsgIn, uint32_t pui32MsgOut, uint32_t ui32KeyLocation, bool bEncrypt, bool bIntEnable)
	Start an AES-ECB operation (encryption or decryption). More...

uint32_t	CRYPTOAesEcbStatus (void)
	Check the result of an AES ECB operation. More...

static void	CRYPTOAesEcbFinish (void)
	Finish the encryption operation by resetting the operation mode. More...

uint32_t	CRYPTOCcmAuthEncrypt (bool bEncrypt, uint32_t ui32AuthLength, uint32_t pui32Nonce, uint32_t pui32PlainText, uint32_t ui32PlainTextLength, uint32_t *pui32Header, uint32_t ui32HeaderLength, uint32_t ui32KeyLocation, uint32_t ui32FieldLength, bool bIntEnable)
	Start CCM operation. More...

uint32_t	CRYPTOCcmAuthEncryptStatus (void)
	Check the result of an AES CCM operation. More...

uint32_t	CRYPTOCcmAuthEncryptResultGet (uint32_t ui32TagLength, uint32_t *pui32CcmTag)
	Get the result of an AES CCM operation. More...

uint32_t	CRYPTOCcmInvAuthDecrypt (bool bDecrypt, uint32_t ui32AuthLength, uint32_t pui32Nonce, uint32_t pui32CipherText, uint32_t ui32CipherTextLength, uint32_t *pui32Header, uint32_t ui32HeaderLength, uint32_t ui32KeyLocation, uint32_t ui32FieldLength, bool bIntEnable)
	Start a CCM Decryption and Inverse Authentication operation. More...

uint32_t	CRYPTOCcmInvAuthDecryptStatus (void)
	Checks CCM decrypt and Inverse Authentication result. More...

uint32_t	CRYPTOCcmInvAuthDecryptResultGet (uint32_t ui32AuthLength, uint32_t pui32CipherText, uint32_t ui32CipherTextLength, uint32_t pui32CcmTag)
	Get the result of the CCM operation. More...

static uint32_t	CRYPTODmaStatus (void)
	Get the current status of the Crypto DMA controller. More...

void	CRYPTODmaEnable (uint32_t ui32Channels)
	Enable Crypto DMA operation. More...

void	CRYPTODmaDisable (uint32_t ui32Channels)
	Disable Crypto DMA operation. More...

static void	CRYPTOIntEnable (uint32_t ui32IntFlags)
	Enables individual Crypto interrupt sources. More...

static void	CRYPTOIntDisable (uint32_t ui32IntFlags)
	Disables individual CRYPTO interrupt sources. More...

static uint32_t	CRYPTOIntStatus (bool bMasked)
	Gets the current interrupt status. More...

static void	CRYPTOIntClear (uint32_t ui32IntFlags)
	Clears Crypto interrupt sources. More...

static void	CRYPTOIntRegister (void(*pfnHandler)(void))
	Registers an interrupt handler for a Crypto interrupt. More...

static void	CRYPTOIntUnregister (void)
	Unregisters an interrupt handler for a Crypto interrupt. More...

Macros

Functions