Functions
static HAL_StatusTypeDef	CRYP_ProcessData (CRYP_HandleTypeDef hcryp, uint8_t Input, uint16_t Ilength, uint8_t *Output, uint32_t Timeout)
	Write/read input/output data in polling mode.
static HAL_StatusTypeDef	CRYP_ReadKey (CRYP_HandleTypeDef hcryp, uint8_t Output, uint32_t Timeout)
	Read derivative key in polling mode when CRYP hardware block is set in key derivation operating mode (mode 2).
static void	CRYP_SetDMAConfig (CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr)
	Set the DMA configuration and start the DMA transfer.
static void	CRYP_Authentication_SetDMAConfig (CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr)
	Set the DMA configuration and start the DMA transfer for GCM, GMAC, CCM or CMAC chaining modes.
static void	CRYP_Authentication_DMAInCplt (DMA_HandleTypeDef *hdma)
	DMA CRYP Input Data process complete callback for GCM, GMAC, CCM or CMAC chaining modes.
static void	CRYP_Authentication_DMAError (DMA_HandleTypeDef *hdma)
	DMA CRYP communication error callback for GCM, GMAC, CCM or CMAC chaining modes.
static void	CRYP_Authentication_DMAOutCplt (DMA_HandleTypeDef *hdma)
	DMA CRYP Output Data process complete callback for GCM, GMAC, CCM or CMAC chaining modes.
static HAL_StatusTypeDef	CRYP_WaitOnCCFlag (CRYP_HandleTypeDef const *const hcryp, uint32_t Timeout)
	Handle CRYP hardware block Timeout when waiting for CCF flag to be raised.
static HAL_StatusTypeDef	CRYP_WaitOnBusyFlagReset (CRYP_HandleTypeDef const *const hcryp, uint32_t Timeout)
	Wait for Busy Flag to be reset during a GCM payload encryption process suspension.
static void	CRYP_DMAInCplt (DMA_HandleTypeDef *hdma)
	DMA CRYP Input Data process complete callback.
static void	CRYP_DMAOutCplt (DMA_HandleTypeDef *hdma)
	DMA CRYP Output Data process complete callback.
static void	CRYP_DMAError (DMA_HandleTypeDef *hdma)
	DMA CRYP communication error callback.
static void	CRYP_Padding (CRYP_HandleTypeDef *hcryp, uint32_t difflength, uint32_t polling)
	Last header or payload block padding when size is not a multiple of 128 bits.
HAL_StatusTypeDef	CRYP_AES_Auth_IT (CRYP_HandleTypeDef *hcryp)
	Handle CRYP block input/output data handling under interruption for GCM, GMAC, CCM or CMAC chaining modes.

Function Documentation

HAL_StatusTypeDef CRYP_AES_Auth_IT ( CRYP_HandleTypeDef * hcryp )

Handle CRYP block input/output data handling under interruption for GCM, GMAC, CCM or CMAC chaining modes.

Note:: The function is called under interruption only, once interruptions have been enabled by HAL_CRYPEx_AES_Auth_IT().

Parameters:

hcryp pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module

Return values:

HAL status

Definition at line 2234 of file stm32l4xx_hal_cryp_ex.c.

Referenced by HAL_CRYP_IRQHandler().

static void CRYP_Authentication_DMAError ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP communication error callback for GCM, GMAC, CCM or CMAC chaining modes.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 2208 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, CRYP_ERR_CLEAR, __CRYP_HandleTypeDef::ErrorCallback, __CRYP_HandleTypeDef::ErrorCode, HAL_CRYP_DMA_ERROR, HAL_CRYP_ErrorCallback(), HAL_CRYP_STATE_ERROR, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_Authentication_SetDMAConfig().

static void CRYP_Authentication_DMAInCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP Input Data process complete callback for GCM, GMAC, CCM or CMAC chaining modes.

Note:: Specific setting of hcryp fields are required only in the case of header phase where no output data DMA transfer is on-going (only input data transfer is enabled in such a case).

Parameters:

hdma	DMA handle.

Return values:

None

Definition at line 2124 of file stm32l4xx_hal_cryp_ex.c.

References CRYP_HEADER_PHASE, CRYP_Padding(), CRYP_POLLING_OFF, __CRYP_HandleTypeDef::CrypInCount, CRYP_InitTypeDef::GCMCMACPhase, HAL_CRYP_InCpltCallback(), HAL_CRYP_PHASE_HEADER_OVER, HAL_CRYP_STATE_READY, __CRYP_HandleTypeDef::InCpltCallback, __CRYP_HandleTypeDef::Init, __CRYP_HandleTypeDef::Instance, __CRYP_HandleTypeDef::Phase, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_Authentication_SetDMAConfig().

static void CRYP_Authentication_DMAOutCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP Output Data process complete callback for GCM, GMAC, CCM or CMAC chaining modes.

Note:: This callback is called only in the payload phase.

Parameters:

hdma	DMA handle.

Return values:

None

Definition at line 2168 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, CRYP_CCF_CLEAR, CRYP_Padding(), CRYP_POLLING_ON, __CRYP_HandleTypeDef::CrypInCount, HAL_CRYP_OutCpltCallback(), HAL_CRYP_PHASE_PAYLOAD_OVER, HAL_CRYP_STATE_READY, __CRYP_HandleTypeDef::Instance, __CRYP_HandleTypeDef::OutCpltCallback, __CRYP_HandleTypeDef::Phase, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_Authentication_SetDMAConfig().

static void CRYP_Authentication_SetDMAConfig	(	CRYP_HandleTypeDef *	hcryp,
		uint32_t	inputaddr,
		uint16_t	Size,
		uint32_t	outputaddr
	)		`[static]`

Set the DMA configuration and start the DMA transfer for GCM, GMAC, CCM or CMAC chaining modes.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
inputaddr	Address of the Input buffer.
Size	Size of the Input buffer un bytes, must be a multiple of 16.
outputaddr	Address of the Output buffer, null pointer when no output DMA stream has to be configured.

Return values:

None

Definition at line 2716 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_ENABLE, CRYP_Authentication_DMAError(), CRYP_Authentication_DMAInCplt(), CRYP_Authentication_DMAOutCplt(), __CRYP_HandleTypeDef::ErrorCallback, HAL_CRYP_ErrorCallback(), HAL_DMA_Start_IT(), __CRYP_HandleTypeDef::hdmain, __CRYP_HandleTypeDef::hdmaout, __CRYP_HandleTypeDef::Instance, __DMA_HandleTypeDef::XferCpltCallback, and __DMA_HandleTypeDef::XferErrorCallback.

Referenced by HAL_CRYPEx_AES_Auth_DMA().

static void CRYP_DMAError ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP communication error callback.

Parameters:

hdma	DMA handle.

Return values:

None

Definition at line 3057 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, CRYP_ERR_CLEAR, __CRYP_HandleTypeDef::ErrorCallback, __CRYP_HandleTypeDef::ErrorCode, HAL_CRYP_DMA_ERROR, HAL_CRYP_ErrorCallback(), HAL_CRYP_STATE_ERROR, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_SetDMAConfig().

static void CRYP_DMAInCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP Input Data process complete callback.

Parameters:

hdma	DMA handle.

Return values:

None

Definition at line 3008 of file stm32l4xx_hal_cryp_ex.c.

References HAL_CRYP_InCpltCallback(), __CRYP_HandleTypeDef::InCpltCallback, and __CRYP_HandleTypeDef::Instance.

Referenced by CRYP_SetDMAConfig().

static void CRYP_DMAOutCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA CRYP Output Data process complete callback.

Parameters:

hdma	DMA handle.

Return values:

None

Definition at line 3028 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, __HAL_CRYP_DISABLE, CRYP_CCF_CLEAR, HAL_CRYP_OutCpltCallback(), HAL_CRYP_STATE_READY, __CRYP_HandleTypeDef::Instance, __CRYP_HandleTypeDef::OutCpltCallback, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_SetDMAConfig().

static void CRYP_Padding	(	CRYP_HandleTypeDef *	hcryp,
		uint32_t	difflength,
		uint32_t	polling
	)		`[static]`

Last header or payload block padding when size is not a multiple of 128 bits.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
difflength	size remainder after having fed all complete 128-bit blocks.
polling	specifies whether or not polling on CCF must be done after having entered a complete block.

Return values:

None

Definition at line 3081 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, __HAL_CRYP_SET_CHAININGMODE, CRYP_ALGOMODE_DECRYPT, CRYP_ALGOMODE_ENCRYPT, CRYP_CCF_CLEAR, CRYP_CCF_TIMEOUTVALUE, CRYP_CHAINMODE_AES_CTR, CRYP_CHAINMODE_AES_GCM_GMAC, CRYP_FINAL_PHASE, CRYP_PAYLOAD_PHASE, CRYP_POLLING_ON, CRYP_WaitOnCCFlag(), CRYP_InitTypeDef::DataType, __CRYP_HandleTypeDef::ErrorCallback, CRYP_InitTypeDef::GCMCMACPhase, HAL_CRYP_ErrorCallback(), HAL_CRYP_STATE_READY, __CRYP_HandleTypeDef::Init, __CRYP_HandleTypeDef::Instance, CRYP_InitTypeDef::OperatingMode, __CRYP_HandleTypeDef::pCrypInBuffPtr, __CRYP_HandleTypeDef::pCrypOutBuffPtr, and __CRYP_HandleTypeDef::State.

Referenced by CRYP_Authentication_DMAInCplt(), CRYP_Authentication_DMAOutCplt(), HAL_CRYPEx_AES_Auth(), and HAL_CRYPEx_AES_Auth_DMA().

static HAL_StatusTypeDef CRYP_ProcessData	(	CRYP_HandleTypeDef *	hcryp,
		uint8_t *	Input,
		uint16_t	Ilength,
		uint8_t *	Output,
		uint32_t	Timeout
	)		`[static]`

Write/read input/output data in polling mode.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
Input	Pointer to the Input buffer.
Ilength	Length of the Input buffer in bytes, must be a multiple of 16.
Output	Pointer to the returned buffer.
Timeout	Specify Timeout value.

Return values:

HAL status

Definition at line 2778 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, CRYP_CCF_CLEAR, CRYP_WaitOnCCFlag(), __CRYP_HandleTypeDef::CrypInCount, HAL_CRYP_STATE_READY, HAL_CRYP_STATE_SUSPENDED, HAL_CRYP_SUSPEND, HAL_CRYP_SUSPEND_NONE, __CRYP_HandleTypeDef::Instance, __CRYP_HandleTypeDef::pCrypInBuffPtr, __CRYP_HandleTypeDef::pCrypOutBuffPtr, __CRYP_HandleTypeDef::State, and __CRYP_HandleTypeDef::SuspendRequest.

Referenced by HAL_CRYPEx_AES().

static HAL_StatusTypeDef CRYP_ReadKey	(	CRYP_HandleTypeDef *	hcryp,
		uint8_t *	Output,
		uint32_t	Timeout
	)		`[static]`

Read derivative key in polling mode when CRYP hardware block is set in key derivation operating mode (mode 2).

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
Output	Pointer to the returned buffer.
Timeout	Specify Timeout value.

Return values:

HAL status

Definition at line 2857 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_CLEAR_FLAG, CRYP_CCF_CLEAR, CRYP_KEYSIZE_256B, CRYP_WaitOnCCFlag(), HAL_CRYP_STATE_READY, __CRYP_HandleTypeDef::Init, __CRYP_HandleTypeDef::Instance, CRYP_InitTypeDef::KeySize, and __CRYP_HandleTypeDef::State.

Referenced by HAL_CRYPEx_AES().

static void CRYP_SetDMAConfig	(	CRYP_HandleTypeDef *	hcryp,
		uint32_t	inputaddr,
		uint16_t	Size,
		uint32_t	outputaddr
	)		`[static]`

Set the DMA configuration and start the DMA transfer.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
inputaddr	Address of the Input buffer.
Size	Size of the Input buffer in bytes, must be a multiple of 16.
outputaddr	Address of the Output buffer.

Return values:

None

Definition at line 2906 of file stm32l4xx_hal_cryp_ex.c.

References __HAL_CRYP_ENABLE, CRYP_DMAError(), CRYP_DMAInCplt(), CRYP_DMAOutCplt(), __CRYP_HandleTypeDef::ErrorCallback, HAL_CRYP_ErrorCallback(), HAL_DMA_Start_IT(), __CRYP_HandleTypeDef::hdmain, __CRYP_HandleTypeDef::hdmaout, __CRYP_HandleTypeDef::Instance, __DMA_HandleTypeDef::XferCpltCallback, and __DMA_HandleTypeDef::XferErrorCallback.

Referenced by HAL_CRYPEx_AES_DMA().

static HAL_StatusTypeDef CRYP_WaitOnBusyFlagReset	(	CRYP_HandleTypeDef const *const	hcryp,
		uint32_t	Timeout
	)		`[static]`

Wait for Busy Flag to be reset during a GCM payload encryption process suspension.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
Timeout	Timeout duration.

Return values:

HAL status

Definition at line 2981 of file stm32l4xx_hal_cryp_ex.c.

References HAL_GetTick(), and __CRYP_HandleTypeDef::Instance.

Referenced by HAL_CRYPEx_AES_Auth(), and HAL_CRYPEx_Read_SuspendRegisters().

static HAL_StatusTypeDef CRYP_WaitOnCCFlag	(	CRYP_HandleTypeDef const *const	hcryp,
		uint32_t	Timeout
	)		`[static]`

Handle CRYP hardware block Timeout when waiting for CCF flag to be raised.

Parameters:

hcryp	pointer to a CRYP_HandleTypeDef structure that contains the configuration information for CRYP module.
Timeout	Timeout duration.

Return values:

HAL status

Definition at line 2953 of file stm32l4xx_hal_cryp_ex.c.

References HAL_GetTick(), and __CRYP_HandleTypeDef::Instance.

Referenced by CRYP_Padding(), CRYP_ProcessData(), CRYP_ReadKey(), HAL_CRYPEx_AES_Auth(), and HAL_CRYPEx_AES_Auth_DMA().

Functions

Function Documentation