#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 "debug.h"
#include "interrupt.h"
#include "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_IRQTYPE_LEVEL 0x00000001

#define	CRYPTO_IRQTYPE_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_CBC 5

#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	CRYPTOAesCbc (uint32_t pui32MsgIn, uint32_t pui32MsgOut, uint32_t ui32MsgLength, uint32_t *pui32Nonce, uint32_t ui32KeyLocation, bool bEncrypt, bool bIntEnable)
	Start an AES-CBC operation (encryption or decryption). More...

uint32_t	CRYPTOAesCbcStatus (void)
	Check the result of an AES CBC operation. 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...

static void	CRYPTOAesCbcFinish (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 in the dynamic interrupt table. More...

static void	CRYPTOIntUnregister (void)
	Unregisters an interrupt handler for a Crypto interrupt in the dynamic interrupt table. More...

Macros

Functions