SEC_AES

Collaboration diagram for SEC_AES:

Modules
	aes mode definition
	aes link mode keybits definition

Data Structures
struct	bflb_aes_link_s
struct	bflb_aes_xts_link_s

Macros
#define	AES_LINK_XTS_MODE1   0
#define	AES_LINK_XTS_MODE2   1

Functions
struct bflb_aes_link_s	__attribute__ ((aligned(4)))
void	bflb_aes_init (struct bflb_device_s *dev)
	Enable aes. More...
void	bflb_aes_deinit (struct bflb_device_s *dev)
	Disable aes. More...
void	bflb_aes_set_hwkey (uint8_t keysel)
	Set aes hardware key. More...
void	bflb_aes_set_hwkey_source (struct bflb_device_s *dev, uint8_t source)
	Set aes hardware key source. More...
void	bflb_aes_set_mode (struct bflb_device_s *dev, uint8_t mode)
	Set aes mode. More...
void	bflb_aes_setkey (struct bflb_device_s *dev, const uint8_t *key, uint16_t keybits)
	Set aes key. More...
int	bflb_aes_encrypt (struct bflb_device_s *dev, const uint8_t *input, const uint8_t *iv, uint8_t *output, uint32_t len)
	Perform aes encrypt. More...
int	bflb_aes_decrypt (struct bflb_device_s *dev, const uint8_t *input, const uint8_t *iv, uint8_t *output, uint32_t len)
	Perform aes decrypt. More...
void	bflb_aes_link_init (struct bflb_device_s *dev)
	Enable aes link mode. More...
void	bflb_aes_link_deinit (struct bflb_device_s *dev)
	Disable aes link mode. More...
int	bflb_aes_link_update (struct bflb_device_s *dev, uint32_t link_addr, const uint8_t *input, uint8_t *output, uint32_t len)
	Perform encrypt or decrypt with link mode. More...
void	bflb_group0_request_aes_access (struct bflb_device_s *dev)
	Enable aes in group0. More...
void	bflb_group0_release_aes_access (struct bflb_device_s *dev)
	Disable aes in group0. More...

Detailed Description

Macro Definition Documentation

AES_LINK_XTS_MODE1

#define AES_LINK_XTS_MODE1   0

Definition at line 36 of file bflb_sec_aes.h.

AES_LINK_XTS_MODE2

#define AES_LINK_XTS_MODE2   1

Definition at line 37 of file bflb_sec_aes.h.

Function Documentation

__attribute__()

struct bflb_aes_link_s __attribute__

(

(aligned(4))

)

bflb_aes_decrypt()

int bflb_aes_decrypt	(	struct bflb_device_s *	dev,
		const uint8_t *	input,
		const uint8_t *	iv,
		uint8_t *	output,
		uint32_t	len
	)

Perform aes decrypt.

Parameters

[in]	dev	device handle
[in]	input	pointer to ciphertext
[in]	iv	input iv, if NULL, means use last iv.
[in]	output	pointer to plaintext
[in]	len	decrypt length, muse be multiple of 16

Returns

A negated errno value on failure.

bflb_aes_deinit()

void bflb_aes_deinit

(

struct bflb_device_s *

dev

)

Disable aes.

Parameters

[in]

dev

bflb_aes_encrypt()

int bflb_aes_encrypt	(	struct bflb_device_s *	dev,
		const uint8_t *	input,
		const uint8_t *	iv,
		uint8_t *	output,
		uint32_t	len
	)

Perform aes encrypt.

Parameters

[in]	dev	device handle
[in]	input	pointer to plaintext
[in]	iv	input iv, if NULL, means use last iv.
[in]	output	pointer to ciphertext
[in]	len	encrypt length, muse be multiple of 16

Returns

A negated errno value on failure.

bflb_aes_init()

void bflb_aes_init

(

struct bflb_device_s *

dev

)

Enable aes.

Parameters

[in]

dev

bflb_aes_link_deinit()

void bflb_aes_link_deinit

(

struct bflb_device_s *

dev

)

Disable aes link mode.

Parameters

[in]

dev

device handle

bflb_aes_link_init()

void bflb_aes_link_init

(

struct bflb_device_s *

dev

)

Enable aes link mode.

Parameters

[in]

dev

device handle

bflb_aes_link_update()

int bflb_aes_link_update	(	struct bflb_device_s *	dev,
		uint32_t	link_addr,
		const uint8_t *	input,
		uint8_t *	output,
		uint32_t	len
	)

Perform encrypt or decrypt with link mode.

Parameters

[in]	dev	device handle
[in]	link_addr	link struct pointer address, must be located in 0x2xxxxxxx
[in]	input	pointer to plaintext or ciphertext
[in]	output	pointer to plaintext or ciphertext
[in]	len	update length, muse be multiple of 16

Returns

A negated errno value on failure.

bflb_aes_set_hwkey()

void bflb_aes_set_hwkey

(

uint8_t

keysel

)

Set aes hardware key.

Parameters

[in]

keysel

hardware key mode in efuse table

bflb_aes_set_hwkey_source()

void bflb_aes_set_hwkey_source	(	struct bflb_device_s *	dev,
		uint8_t	source
	)

Set aes hardware key source.

Parameters

[in]	dev	device handle
[in]	source	hardware key source

bflb_aes_set_mode()

void bflb_aes_set_mode	(	struct bflb_device_s *	dev,
		uint8_t	mode
	)

Set aes mode.

Parameters

[in]	dev	device handle
[in]	mode	aes mode, use aes mode definition

bflb_aes_setkey()

void bflb_aes_setkey	(	struct bflb_device_s *	dev,
		const uint8_t *	key,
		uint16_t	keybits
	)

Set aes key.

Parameters

[in]	dev	device handle
[in]	key	pointer to aes key, if NULL, means use hardware key
[in]	keybits	aes keybits, can be 128/192/256

bflb_group0_release_aes_access()

void bflb_group0_release_aes_access

(

struct bflb_device_s *

dev

)

Disable aes in group0.

Parameters

[in]

dev

device handle

bflb_group0_request_aes_access()

void bflb_group0_request_aes_access

(

struct bflb_device_s *

dev

)

Enable aes in group0.

Parameters

[in]

dev

device handle