diff options
Diffstat (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cryp.c')
| -rw-r--r-- | Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cryp.c | 5204 |
1 files changed, 5204 insertions, 0 deletions
diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cryp.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cryp.c new file mode 100644 index 0000000..0de210d --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cryp.c @@ -0,0 +1,5204 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_hal_cryp.c
+ * @author MCD Application Team
+ * @brief CRYP HAL module driver.
+ * This file provides firmware functions to manage the following
+ * functionalities of the Cryptography (CRYP) peripheral:
+ * + Initialization and de-initialization functions
+ * + AES processing functions
+ * + DES processing functions
+ * + TDES processing functions
+ * + DMA callback functions
+ * + CRYP IRQ handler management
+ * + Peripheral State functions
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ The CRYP HAL driver can be used in CRYP IP as follows:
+
+ (#)Initialize the CRYP low level resources by implementing the HAL_CRYP_MspInit():
+ (##) Enable the CRYP interface clock using __HAL_RCC_CRYP_CLK_ENABLE()
+ (##) In case of using interrupts (e.g. HAL_CRYP_Encrypt_IT())
+ (+++) Configure the CRYP interrupt priority using HAL_NVIC_SetPriority()
+ (+++) Enable the CRYP IRQ handler using HAL_NVIC_EnableIRQ()
+ (+++) In CRYP IRQ handler, call HAL_CRYP_IRQHandler()
+ (##) In case of using DMA to control data transfer (e.g. HAL_CRYP_Encrypt_DMA())
+ (+++) Enable the DMAx interface clock using __RCC_DMAx_CLK_ENABLE()
+ (+++) Configure and enable two DMA streams one for managing data transfer from
+ memory to peripheral (input stream) and another stream for managing data
+ transfer from peripheral to memory (output stream)
+ (+++) Associate the initialized DMA handle to the CRYP DMA handle
+ using __HAL_LINKDMA()
+ (+++) Configure the priority and enable the NVIC for the transfer complete
+ interrupt on the two DMA Streams. The output stream should have higher
+ priority than the input stream HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ()
+
+ (#)Initialize the CRYP according to the specified parameters :
+ (##) The data type: bit swap(1-bit data), byte swap(8-bit data), half word swap(16-bit data)
+ or no swap(32-bit data).
+ (##) The key size: 128, 192 or 256.
+ (##) The AlgoMode DES/ TDES Algorithm ECB/CBC or AES Algorithm ECB/CBC/CTR/GCM or CCM.
+ (##) The initialization vector (counter). It is not used in ECB mode.
+ (##) The key buffer used for encryption/decryption.
+ (##) The Header used only in AES GCM and CCM Algorithm for authentication.
+ (##) The HeaderSize The size of header buffer in word.
+ (##) The B0 block is the first authentication block used only in AES CCM mode.
+
+ (#)Three processing (encryption/decryption) functions are available:
+ (##) Polling mode: encryption and decryption APIs are blocking functions
+ i.e. they process the data and wait till the processing is finished,
+ e.g. HAL_CRYP_Encrypt & HAL_CRYP_Decrypt
+ (##) Interrupt mode: encryption and decryption APIs are not blocking functions
+ i.e. they process the data under interrupt,
+ e.g. HAL_CRYP_Encrypt_IT & HAL_CRYP_Decrypt_IT
+ (##) DMA mode: encryption and decryption APIs are not blocking functions
+ i.e. the data transfer is ensured by DMA,
+ e.g. HAL_CRYP_Encrypt_DMA & HAL_CRYP_Decrypt_DMA
+
+ (#)When the processing function is called at first time after HAL_CRYP_Init()
+ the CRYP peripheral is configured and processes the buffer in input.
+ At second call, no need to Initialize the CRYP, user have to get current configuration via
+ HAL_CRYP_GetConfig() API, then only HAL_CRYP_SetConfig() is requested to set
+ new parametres, finally user can start encryption/decryption.
+
+ (#)Call HAL_CRYP_DeInit() to deinitialize the CRYP peripheral.
+
+ (#)To process a single message with consecutive calls to HAL_CRYP_Encrypt() or HAL_CRYP_Decrypt()
+ without having to configure again the Key or the Initialization Vector between each API call,
+ the field KeyIVConfigSkip of the initialization structure must be set to CRYP_KEYIVCONFIG_ONCE.
+ Same is true for consecutive calls of HAL_CRYP_Encrypt_IT(), HAL_CRYP_Decrypt_IT(), HAL_CRYP_Encrypt_DMA()
+ or HAL_CRYP_Decrypt_DMA().
+
+ [..]
+ The cryptographic processor supports following standards:
+ (#) The data encryption standard (DES) and Triple-DES (TDES) supported only by CRYP1 IP:
+ (##)64-bit data block processing
+ (##) chaining modes supported :
+ (+++) Electronic Code Book(ECB)
+ (+++) Cipher Block Chaining (CBC)
+ (##) keys length supported :64-bit, 128-bit and 192-bit.
+ (#) The advanced encryption standard (AES) supported by CRYP1:
+ (##)128-bit data block processing
+ (##) chaining modes supported :
+ (+++) Electronic Code Book(ECB)
+ (+++) Cipher Block Chaining (CBC)
+ (+++) Counter mode (CTR)
+ (+++) Galois/counter mode (GCM/GMAC)
+ (+++) Counter with Cipher Block Chaining-Message(CCM)
+ (##) keys length Supported :
+ (+++) for CRYP1 IP: 128-bit, 192-bit and 256-bit.
+
+ [..] This section describes the AES Galois/counter mode (GCM) supported by both CRYP1 IP:
+ (#) Algorithm supported :
+ (##) Galois/counter mode (GCM)
+ (##) Galois message authentication code (GMAC) :is exactly the same as
+ GCM algorithm composed only by an header.
+ (#) Four phases are performed in GCM :
+ (##) Init phase: IP prepares the GCM hash subkey (H) and do the IV processing
+ (##) Header phase: IP processes the Additional Authenticated Data (AAD), with hash
+ computation only.
+ (##) Payload phase: IP processes the plaintext (P) with hash computation + keystream
+ encryption + data XORing. It works in a similar way for ciphertext (C).
+ (##) Final phase: IP generates the authenticated tag (T) using the last block of data.
+ HAL_CRYPEx_AESGCM_GenerateAuthTAG API used in this phase to generate 4 words which correspond
+ to the Tag. user should consider only part of this 4 words, if Tag length is less than 128 bits.
+ (#) structure of message construction in GCM is defined as below :
+ (##) 16 bytes Initial Counter Block (ICB)composed of IV and counter
+ (##) The authenticated header A (also knows as Additional Authentication Data AAD)
+ this part of the message is only authenticated, not encrypted.
+ (##) The plaintext message P is both authenticated and encrypted as ciphertext.
+ GCM standard specifies that ciphertext has same bit length as the plaintext.
+ (##) The last block is composed of the length of A (on 64 bits) and the length of ciphertext
+ (on 64 bits)
+
+ [..] This section describe The AES Counter with Cipher Block Chaining-Message
+ Authentication Code (CCM) supported by both CRYP1 IP:
+ (#) Specific parameters for CCM :
+
+ (##) B0 block : According to NIST Special Publication 800-38C,
+ The first block B0 is formatted as follows, where l(m) is encoded in
+ most-significant-byte first order(see below table 3)
+
+ (+++) Q: a bit string representation of the octet length of P (plaintext)
+ (+++) q The octet length of the binary representation of the octet length of the payload
+ (+++) A nonce (N), n The octet length of the where n+q=15.
+ (+++) Flags: most significant octet containing four flags for control information,
+ (+++) t The octet length of the MAC.
+ (##) B1 block (header) : associated data length(a) concatenated with Associated Data (A)
+ the associated data length expressed in bytes (a) defined as below:
+ (+++) If 0 < a < 216-28, then it is encoded as [a]16, i.e. two octets
+ (+++) If 216-28 < a < 232, then it is encoded as 0xff || 0xfe || [a]32, i.e. six octets
+ (+++) If 232 < a < 264, then it is encoded as 0xff || 0xff || [a]64, i.e. ten octets
+ (##) CTRx block : control blocks
+ (+++) Generation of CTR1 from first block B0 information :
+ equal to B0 with first 5 bits zeroed and most significant bits storing octet
+ length of P also zeroed, then incremented by one ( see below Table 4)
+ (+++) Generation of CTR0: same as CTR1 with bit[0] set to zero.
+
+ (#) Four phases are performed in CCM for CRYP1 IP:
+ (##) Init phase: IP prepares the GCM hash subkey (H) and do the IV processing
+ (##) Header phase: IP processes the Additional Authenticated Data (AAD), with hash
+ computation only.
+ (##) Payload phase: IP processes the plaintext (P) with hash computation + keystream
+ encryption + data XORing. It works in a similar way for ciphertext (C).
+ (##) Final phase: IP generates the authenticated tag (T) using the last block of data.
+ HAL_CRYPEx_AESCCM_GenerateAuthTAG API used in this phase to generate 4 words which correspond to the Tag.
+ user should consider only part of this 4 words, if Tag length is less than 128 bits
+
+ *** Callback registration ***
+ =============================
+
+ [..]
+ The compilation define USE_HAL_CRYP_REGISTER_CALLBACKS when set to 1
+ allows the user to configure dynamically the driver callbacks.
+ Use Functions @ref HAL_CRYP_RegisterCallback() or HAL_CRYP_RegisterXXXCallback()
+ to register an interrupt callback.
+
+ [..]
+ Function @ref HAL_CRYP_RegisterCallback() allows to register following callbacks:
+ (+) InCpltCallback : Input FIFO transfer completed callback.
+ (+) OutCpltCallback : Output FIFO transfer completed callback.
+ (+) ErrorCallback : callback for error detection.
+ (+) MspInitCallback : CRYP MspInit.
+ (+) MspDeInitCallback : CRYP MspDeInit.
+ This function takes as parameters the HAL peripheral handle, the Callback ID
+ and a pointer to the user callback function.
+
+ [..]
+ Use function @ref HAL_CRYP_UnRegisterCallback() to reset a callback to the default
+ weak function.
+ @ref HAL_CRYP_UnRegisterCallback() takes as parameters the HAL peripheral handle,
+ and the Callback ID.
+ This function allows to reset following callbacks:
+ (+) InCpltCallback : Input FIFO transfer completed callback.
+ (+) OutCpltCallback : Output FIFO transfer completed callback.
+ (+) ErrorCallback : callback for error detection.
+ (+) MspInitCallback : CRYP MspInit.
+ (+) MspDeInitCallback : CRYP MspDeInit.
+
+ [..]
+ By default, after the @ref HAL_CRYP_Init() and when the state is HAL_CRYP_STATE_RESET
+ all callbacks are set to the corresponding weak functions :
+ examples @ref HAL_CRYP_InCpltCallback() , @ref HAL_CRYP_OutCpltCallback().
+ Exception done for MspInit and MspDeInit functions that are
+ reset to the legacy weak function in the @ref HAL_CRYP_Init()/ @ref HAL_CRYP_DeInit() only when
+ these callbacks are null (not registered beforehand).
+ if not, MspInit or MspDeInit are not null, the @ref HAL_CRYP_Init() / @ref HAL_CRYP_DeInit()
+ keep and use the user MspInit/MspDeInit functions (registered beforehand)
+
+ [..]
+ Callbacks can be registered/unregistered in HAL_CRYP_STATE_READY state only.
+ Exception done MspInit/MspDeInit callbacks that can be registered/unregistered
+ in HAL_CRYP_STATE_READY or HAL_CRYP_STATE_RESET state,
+ thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit.
+ In that case first register the MspInit/MspDeInit user callbacks
+ using @ref HAL_CRYP_RegisterCallback() before calling @ref HAL_CRYP_DeInit()
+ or @ref HAL_CRYP_Init() function.
+
+ [..]
+ When The compilation define USE_HAL_CRYP_REGISTER_CALLBACKS is set to 0 or
+ not defined, the callback registration feature is not available and all callbacks
+ are set to the corresponding weak functions.
+
+ @endverbatim
+
+ Table 1. Initial Counter Block (ICB)
+ +-------------------------------------------------------+
+ | Initialization vector (IV) | Counter |
+ |----------------|----------------|-----------|---------|
+ 127 95 63 31 0
+
+
+ Bit Number Register Contents
+ ---------- --------------- -----------
+ 127 ...96 CRYP_IV1R[31:0] ICB[127:96]
+ 95 ...64 CRYP_IV1L[31:0] B0[95:64]
+ 63 ... 32 CRYP_IV0R[31:0] ICB[63:32]
+ 31 ... 0 CRYP_IV0L[31:0] ICB[31:0], where 32-bit counter= 0x2
+
+ Table 2. GCM last block definition
+
+ +-------------------------------------------------------------------+
+ | Bit[0] | Bit[32] | Bit[64] | Bit[96] |
+ |-----------|--------------------|-----------|----------------------|
+ | 0x0 | Header length[31:0]| 0x0 | Payload length[31:0] |
+ |-----------|--------------------|-----------|----------------------|
+
+ Table 3. B0 block
+ Octet Number Contents
+ ------------ ---------
+ 0 Flags
+ 1 ... 15-q Nonce N
+ 16-q ... 15 Q
+
+ the Flags field is formatted as follows:
+
+ Bit Number Contents
+ ---------- ----------------------
+ 7 Reserved (always zero)
+ 6 Adata
+ 5 ... 3 (t-2)/2
+ 2 ... 0 [q-1]3
+
+ Table 4. CTRx block
+ Bit Number Register Contents
+ ---------- --------------- -----------
+ 127 ...96 CRYP_IV1R[31:0] B0[127:96], where Q length bits are set to 0, except for
+ bit 0 that is set to 1
+ 95 ...64 CRYP_IV1L[31:0] B0[95:64]
+ 63 ... 32 CRYP_IV0R[31:0] B0[63:32]
+ 31 ... 0 CRYP_IV0L[31:0] B0[31:0], where flag bits set to 0
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_hal.h"
+
+/** @addtogroup STM32H7xx_HAL_Driver
+ * @{
+ */
+
+#if defined (CRYP)
+
+/** @defgroup CRYP CRYP
+ * @brief CRYP HAL module driver.
+ * @{
+ */
+
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/** @addtogroup CRYP_Private_Defines
+ * @{
+ */
+#define CRYP_TIMEOUT_KEYPREPARATION 82U /*!< The latency of key preparation operation is 82 clock cycles.*/
+#define CRYP_TIMEOUT_GCMCCMINITPHASE 299U /*!< The latency of GCM/CCM init phase to prepare hash subkey is 299 clock cycles.*/
+#define CRYP_TIMEOUT_GCMCCMHEADERPHASE 290U /*!< The latency of GCM/CCM header phase is 290 clock cycles.*/
+
+#define CRYP_PHASE_READY 0x00000001U /*!< CRYP peripheral is ready for initialization. */
+#define CRYP_PHASE_PROCESS 0x00000002U /*!< CRYP peripheral is in processing phase */
+
+#define CRYP_PHASE_INIT 0x00000000U /*!< GCM/GMAC (or CCM) init phase */
+#define CRYP_PHASE_HEADER CRYP_CR_GCM_CCMPH_0 /*!< GCM/GMAC or CCM header phase */
+#define CRYP_PHASE_PAYLOAD CRYP_CR_GCM_CCMPH_1 /*!< GCM(/CCM) payload phase */
+#define CRYP_PHASE_FINAL CRYP_CR_GCM_CCMPH /*!< GCM/GMAC or CCM final phase */
+#define CRYP_OPERATINGMODE_ENCRYPT 0x00000000U /*!< Encryption mode */
+#define CRYP_OPERATINGMODE_DECRYPT CRYP_CR_ALGODIR /*!< Decryption */
+
+
+/* CTR1 information to use in CCM algorithm */
+#define CRYP_CCM_CTR1_0 0x07FFFFFFU
+#define CRYP_CCM_CTR1_1 0xFFFFFF00U
+#define CRYP_CCM_CTR1_2 0x00000001U
+
+/**
+ * @}
+ */
+
+
+/* Private macro -------------------------------------------------------------*/
+/** @addtogroup CRYP_Private_Macros
+ * @{
+ */
+
+#define CRYP_SET_PHASE(__HANDLE__, __PHASE__) do{(__HANDLE__)->Instance->CR &= (uint32_t)(~CRYP_CR_GCM_CCMPH);\
+ (__HANDLE__)->Instance->CR |= (uint32_t)(__PHASE__);\
+ }while(0)
+
+#define HAL_CRYP_FIFO_FLUSH(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRYP_CR_FFLUSH)
+
+
+/**
+ * @}
+ */
+
+/* Private struct -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/** @addtogroup CRYP_Private_Functions_prototypes
+ * @{
+ */
+
+static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr);
+static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma);
+static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma);
+static void CRYP_DMAError(DMA_HandleTypeDef *hdma);
+static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint32_t KeySize);
+static void CRYP_AES_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static void CRYP_GCMCCM_SetPayloadPhase_IT(CRYP_HandleTypeDef *hcryp);
+static void CRYP_GCMCCM_SetHeaderPhase_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase_DMA(CRYP_HandleTypeDef *hcryp);
+#if !defined (CRYP_VER_2_2)
+static void CRYP_Workaround(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+#endif /*End of not defined CRYP_VER_2_2*/
+static HAL_StatusTypeDef CRYP_AESGCM_Process_DMA(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_AESGCM_Process_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_AESGCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_AESCCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_AESCCM_Process_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_AESCCM_Process_DMA(CRYP_HandleTypeDef *hcryp);
+static void CRYP_AES_ProcessData(CRYP_HandleTypeDef *hcrypt, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_AES_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_AES_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_AES_Decrypt_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_AES_Encrypt_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_AES_Decrypt_DMA(CRYP_HandleTypeDef *hcryp);
+static void CRYP_TDES_IT(CRYP_HandleTypeDef *hcryp);
+static HAL_StatusTypeDef CRYP_WaitOnIFEMFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_WaitOnBUSYFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_WaitOnOFNEFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+static HAL_StatusTypeDef CRYP_TDES_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
+
+/**
+ * @}
+ */
+
+/* Exported functions ---------------------------------------------------------*/
+
+/** @defgroup CRYP_Exported_Functions CRYP Exported Functions
+ * @{
+ */
+
+
+/** @defgroup CRYP_Exported_Functions_Group1 Initialization and de-initialization functions
+ * @brief CRYP Initialization and Configuration functions.
+ *
+@verbatim
+ ========================================================================================
+ ##### Initialization, de-initialization and Set and Get configuration functions #####
+ ========================================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize the CRYP
+ (+) DeInitialize the CRYP
+ (+) Initialize the CRYP MSP
+ (+) DeInitialize the CRYP MSP
+ (+) configure CRYP (HAL_CRYP_SetConfig) with the specified parameters in the CRYP_ConfigTypeDef
+ Parameters which are configured in This section are :
+ (++) Key size
+ (++) Data Type : 32,16, 8 or 1bit
+ (++) AlgoMode : for CRYP1 IP
+ ECB and CBC in DES/TDES Standard
+ ECB,CBC,CTR,GCM/GMAC and CCM in AES Standard.
+ (+) Get CRYP configuration (HAL_CRYP_GetConfig) from the specified parameters in the CRYP_HandleTypeDef
+
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Initializes the CRYP according to the specified
+ * parameters in the CRYP_ConfigTypeDef and creates the associated handle.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Init(CRYP_HandleTypeDef *hcryp)
+{
+ /* Check the CRYP handle allocation */
+ if (hcryp == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check parameters */
+ assert_param(IS_CRYP_KEYSIZE(hcryp->Init.KeySize));
+ assert_param(IS_CRYP_DATATYPE(hcryp->Init.DataType));
+ assert_param(IS_CRYP_ALGORITHM(hcryp->Init.Algorithm));
+ assert_param(IS_CRYP_INIT(hcryp->Init.KeyIVConfigSkip));
+
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ if (hcryp->State == HAL_CRYP_STATE_RESET)
+ {
+ /* Allocate lock resource and initialize it */
+ hcryp->Lock = HAL_UNLOCKED;
+
+ hcryp->InCpltCallback = HAL_CRYP_InCpltCallback; /* Legacy weak InCpltCallback */
+ hcryp->OutCpltCallback = HAL_CRYP_OutCpltCallback; /* Legacy weak OutCpltCallback */
+ hcryp->ErrorCallback = HAL_CRYP_ErrorCallback; /* Legacy weak ErrorCallback */
+
+ if (hcryp->MspInitCallback == NULL)
+ {
+ hcryp->MspInitCallback = HAL_CRYP_MspInit; /* Legacy weak MspInit */
+ }
+
+ /* Init the low level hardware */
+ hcryp->MspInitCallback(hcryp);
+ }
+#else
+ if (hcryp->State == HAL_CRYP_STATE_RESET)
+ {
+ /* Allocate lock resource and initialize it */
+ hcryp->Lock = HAL_UNLOCKED;
+
+ /* Init the low level hardware */
+ HAL_CRYP_MspInit(hcryp);
+ }
+#endif /* (USE_HAL_CRYP_REGISTER_CALLBACKS) */
+
+ /* Set the key size(This bit field is don't care in the DES or TDES modes) data type and Algorithm */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
+ hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
+#if !defined (CRYP_VER_2_2)
+ /* Read Device ID to indicate CRYP1 IP Version */
+ hcryp->Version = HAL_GetREVID();
+#endif /*End of not defined CRYP_VER_2_2*/
+ /* Reset Error Code field */
+ hcryp->ErrorCode = HAL_CRYP_ERROR_NONE;
+
+ /* Reset peripheral Key and IV configuration flag */
+ hcryp->KeyIVConfig = 0U;
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Set the default CRYP phase */
+ hcryp->Phase = CRYP_PHASE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief De-Initializes the CRYP peripheral.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_DeInit(CRYP_HandleTypeDef *hcryp)
+{
+ /* Check the CRYP handle allocation */
+ if (hcryp == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Set the default CRYP phase */
+ hcryp->Phase = CRYP_PHASE_READY;
+
+ /* Reset CrypInCount and CrypOutCount */
+ hcryp->CrypInCount = 0;
+ hcryp->CrypOutCount = 0;
+ hcryp->CrypHeaderCount = 0;
+
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ if (hcryp->MspDeInitCallback == NULL)
+ {
+ hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit; /* Legacy weak MspDeInit */
+ }
+ /* DeInit the low level hardware */
+ hcryp->MspDeInitCallback(hcryp);
+
+#else
+ /* DeInit the low level hardware: CLOCK, NVIC.*/
+ HAL_CRYP_MspDeInit(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_RESET;
+
+ /* Release Lock */
+ __HAL_UNLOCK(hcryp);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Configure the CRYP according to the specified
+ * parameters in the CRYP_ConfigTypeDef
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure
+ * @param pConf: pointer to a CRYP_ConfigTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_SetConfig(CRYP_HandleTypeDef *hcryp, CRYP_ConfigTypeDef *pConf)
+{
+ /* Check the CRYP handle allocation */
+ if ((hcryp == NULL) || (pConf == NULL))
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check parameters */
+ assert_param(IS_CRYP_KEYSIZE(pConf->KeySize));
+ assert_param(IS_CRYP_DATATYPE(pConf->DataType));
+ assert_param(IS_CRYP_ALGORITHM(pConf->Algorithm));
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Set CRYP parameters */
+ hcryp->Init.DataType = pConf->DataType;
+ hcryp->Init.pKey = pConf->pKey;
+ hcryp->Init.Algorithm = pConf->Algorithm;
+ hcryp->Init.KeySize = pConf->KeySize;
+ hcryp->Init.pInitVect = pConf->pInitVect;
+ hcryp->Init.Header = pConf->Header;
+ hcryp->Init.HeaderSize = pConf->HeaderSize;
+ hcryp->Init.B0 = pConf->B0;
+ hcryp->Init.DataWidthUnit = pConf->DataWidthUnit;
+ hcryp->Init.HeaderWidthUnit = pConf->HeaderWidthUnit;
+ hcryp->Init.KeyIVConfigSkip = pConf->KeyIVConfigSkip;
+
+ /* Set the key size(This bit field is don't care in the DES or TDES modes) data type, AlgoMode and operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
+ hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Reset Error Code field */
+ hcryp->ErrorCode = HAL_CRYP_ERROR_NONE;
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Set the default CRYP phase */
+ hcryp->Phase = CRYP_PHASE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+ }
+ else
+ {
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ return HAL_ERROR;
+ }
+}
+
+/**
+ * @brief Get CRYP Configuration parameters in associated handle.
+ * @param pConf: pointer to a CRYP_ConfigTypeDef structure
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_GetConfig(CRYP_HandleTypeDef *hcryp, CRYP_ConfigTypeDef *pConf)
+{
+ /* Check the CRYP handle allocation */
+ if ((hcryp == NULL) || (pConf == NULL))
+ {
+ return HAL_ERROR;
+ }
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Get CRYP parameters */
+ pConf->DataType = hcryp->Init.DataType;
+ pConf->pKey = hcryp->Init.pKey;
+ pConf->Algorithm = hcryp->Init.Algorithm;
+ pConf->KeySize = hcryp->Init.KeySize ;
+ pConf->pInitVect = hcryp->Init.pInitVect;
+ pConf->Header = hcryp->Init.Header ;
+ pConf->HeaderSize = hcryp->Init.HeaderSize;
+ pConf->B0 = hcryp->Init.B0;
+ pConf->DataWidthUnit = hcryp->Init.DataWidthUnit;
+ pConf->HeaderWidthUnit = hcryp->Init.HeaderWidthUnit;
+ pConf->KeyIVConfigSkip = hcryp->Init.KeyIVConfigSkip;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+ }
+ else
+ {
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ return HAL_ERROR;
+ }
+}
+/**
+ * @brief Initializes the CRYP MSP.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval None
+ */
+__weak void HAL_CRYP_MspInit(CRYP_HandleTypeDef *hcryp)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hcryp);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_CRYP_MspInit could be implemented in the user file
+ */
+}
+
+/**
+ * @brief DeInitializes CRYP MSP.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval None
+ */
+__weak void HAL_CRYP_MspDeInit(CRYP_HandleTypeDef *hcryp)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hcryp);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_CRYP_MspDeInit could be implemented in the user file
+ */
+}
+
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+/**
+ * @brief Register a User CRYP Callback
+ * To be used instead of the weak predefined callback
+ * @param hcryp cryp handle
+ * @param CallbackID ID of the callback to be registered
+ * This parameter can be one of the following values:
+ * @arg @ref HAL_CRYP_INPUT_COMPLETE_CB_ID Input FIFO transfer completed callback ID
+ * @arg @ref HAL_CRYP_OUTPUT_COMPLETE_CB_ID Output FIFO transfer completed callback ID
+ * @arg @ref HAL_CRYP_ERROR_CB_ID Rx Half Error callback ID
+ * @arg @ref HAL_CRYP_MSPINIT_CB_ID MspInit callback ID
+ * @arg @ref HAL_CRYP_MSPDEINIT_CB_ID MspDeInit callback ID
+ * @param pCallback pointer to the Callback function
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_CRYP_RegisterCallback(CRYP_HandleTypeDef *hcryp, HAL_CRYP_CallbackIDTypeDef CallbackID,
+ pCRYP_CallbackTypeDef pCallback)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+ if (pCallback == NULL)
+ {
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+
+ return HAL_ERROR;
+ }
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ switch (CallbackID)
+ {
+ case HAL_CRYP_INPUT_COMPLETE_CB_ID :
+ hcryp->InCpltCallback = pCallback;
+ break;
+
+ case HAL_CRYP_OUTPUT_COMPLETE_CB_ID :
+ hcryp->OutCpltCallback = pCallback;
+ break;
+
+ case HAL_CRYP_ERROR_CB_ID :
+ hcryp->ErrorCallback = pCallback;
+ break;
+
+ case HAL_CRYP_MSPINIT_CB_ID :
+ hcryp->MspInitCallback = pCallback;
+ break;
+
+ case HAL_CRYP_MSPDEINIT_CB_ID :
+ hcryp->MspDeInitCallback = pCallback;
+ break;
+
+ default :
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+ /* Return error status */
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else if (hcryp->State == HAL_CRYP_STATE_RESET)
+ {
+ switch (CallbackID)
+ {
+ case HAL_CRYP_MSPINIT_CB_ID :
+ hcryp->MspInitCallback = pCallback;
+ break;
+
+ case HAL_CRYP_MSPDEINIT_CB_ID :
+ hcryp->MspDeInitCallback = pCallback;
+ break;
+
+ default :
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+ /* Return error status */
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+ /* Return error status */
+ status = HAL_ERROR;
+ }
+
+ /* Release Lock */
+ __HAL_UNLOCK(hcryp);
+
+ return status;
+}
+
+/**
+ * @brief Unregister an CRYP Callback
+ * CRYP callabck is redirected to the weak predefined callback
+ * @param hcryp cryp handle
+ * @param CallbackID ID of the callback to be unregistered
+ * This parameter can be one of the following values:
+ * @arg @ref HAL_CRYP_INPUT_COMPLETE_CB_ID Input FIFO transfer completed callback ID
+ * @arg @ref HAL_CRYP_OUTPUT_COMPLETE_CB_ID Output FIFO transfer completed callback ID
+ * @arg @ref HAL_CRYP_ERROR_CB_ID Rx Half Error callback ID
+ * @arg @ref HAL_CRYP_MSPINIT_CB_ID MspInit callback ID
+ * @arg @ref HAL_CRYP_MSPDEINIT_CB_ID MspDeInit callback ID
+ * @retval status
+ */
+HAL_StatusTypeDef HAL_CRYP_UnRegisterCallback(CRYP_HandleTypeDef *hcryp, HAL_CRYP_CallbackIDTypeDef CallbackID)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ switch (CallbackID)
+ {
+ case HAL_CRYP_INPUT_COMPLETE_CB_ID :
+ hcryp->InCpltCallback = HAL_CRYP_InCpltCallback; /* Legacy weak InCpltCallback */
+ break;
+
+ case HAL_CRYP_OUTPUT_COMPLETE_CB_ID :
+ hcryp->OutCpltCallback = HAL_CRYP_OutCpltCallback; /* Legacy weak OutCpltCallback */
+ break;
+
+ case HAL_CRYP_ERROR_CB_ID :
+ hcryp->ErrorCallback = HAL_CRYP_ErrorCallback; /* Legacy weak ErrorCallback */
+ break;
+
+ case HAL_CRYP_MSPINIT_CB_ID :
+ hcryp->MspInitCallback = HAL_CRYP_MspInit;
+ break;
+
+ case HAL_CRYP_MSPDEINIT_CB_ID :
+ hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit;
+ break;
+
+ default :
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+ /* Return error status */
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else if (hcryp->State == HAL_CRYP_STATE_RESET)
+ {
+ switch (CallbackID)
+ {
+ case HAL_CRYP_MSPINIT_CB_ID :
+ hcryp->MspInitCallback = HAL_CRYP_MspInit;
+ break;
+
+ case HAL_CRYP_MSPDEINIT_CB_ID :
+ hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit;
+ break;
+
+ default :
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
+ /* Return error status */
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Update the error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;;
+ /* Return error status */
+ status = HAL_ERROR;
+ }
+
+ /* Release Lock */
+ __HAL_UNLOCK(hcryp);
+
+ return status;
+}
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+
+/**
+ * @}
+ */
+
+/** @defgroup CRYP_Exported_Functions_Group2 Encrypt Decrypt functions
+ * @brief CRYP processing functions.
+ *
+@verbatim
+ ==============================================================================
+ ##### Encrypt Decrypt functions #####
+ ==============================================================================
+ [..] This section provides API allowing to Encrypt/Decrypt Data following
+ Standard DES/TDES or AES, and Algorithm configured by the user:
+ (+) Standard DES/TDES only supported by CRYP1 IP, below list of Algorithm supported :
+ (++) Electronic Code Book(ECB)
+ (++) Cipher Block Chaining (CBC)
+ (+) Standard AES supported by CRYP1 IP , list of Algorithm supported:
+ (++) Electronic Code Book(ECB)
+ (++) Cipher Block Chaining (CBC)
+ (++) Counter mode (CTR)
+ (++) Cipher Block Chaining (CBC)
+ (++) Counter mode (CTR)
+ (++) Galois/counter mode (GCM)
+ (++) Counter with Cipher Block Chaining-Message(CCM)
+ [..] Three processing functions are available:
+ (+) Polling mode : HAL_CRYP_Encrypt & HAL_CRYP_Decrypt
+ (+) Interrupt mode : HAL_CRYP_Encrypt_IT & HAL_CRYP_Decrypt_IT
+ (+) DMA mode : HAL_CRYP_Encrypt_DMA & HAL_CRYP_Decrypt_DMA
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Encryption mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (plaintext)
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit.
+ * @param Output: Pointer to the output buffer(ciphertext)
+ * @param Timeout: Specify Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output,
+ uint32_t Timeout)
+{
+ uint32_t algo;
+ HAL_StatusTypeDef status;
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set Encryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
+
+ /* algo get algorithm selected */
+ algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+
+ /*Set Initialization Vector (IV)*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Start DES/TDES encryption process */
+ status = CRYP_TDES_Process(hcryp, Timeout);
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ /* AES encryption */
+ status = CRYP_AES_Encrypt(hcryp, Timeout);
+ break;
+
+ case CRYP_AES_GCM:
+
+ /* AES GCM encryption */
+ status = CRYP_AESGCM_Process(hcryp, Timeout);
+ break;
+
+ case CRYP_AES_CCM:
+
+ /* AES CCM encryption */
+ status = CRYP_AESCCM_Process(hcryp, Timeout);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+
+ if (status == HAL_OK)
+ {
+ /* Change the CRYP peripheral state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ }
+ }
+ else
+ {
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status ;
+}
+
+/**
+ * @brief Decryption mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (ciphertext )
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit
+ * @param Output: Pointer to the output buffer(plaintext)
+ * @param Timeout: Specify Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output,
+ uint32_t Timeout)
+{
+ HAL_StatusTypeDef status;
+ uint32_t algo;
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set Decryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
+
+ /* algo get algorithm selected */
+ algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+
+ /*Set Initialization Vector (IV)*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Start DES/TDES decryption process */
+ status = CRYP_TDES_Process(hcryp, Timeout);
+
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ /* AES decryption */
+ status = CRYP_AES_Decrypt(hcryp, Timeout);
+ break;
+
+ case CRYP_AES_GCM:
+
+ /* AES GCM decryption */
+ status = CRYP_AESGCM_Process(hcryp, Timeout) ;
+ break;
+
+ case CRYP_AES_CCM:
+
+ /* AES CCM decryption */
+ status = CRYP_AESCCM_Process(hcryp, Timeout);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+
+ if (status == HAL_OK)
+ {
+ /* Change the CRYP peripheral state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ }
+ }
+ else
+ {
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status;
+}
+
+/**
+ * @brief Encryption in interrupt mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (plaintext)
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit
+ * @param Output: Pointer to the output buffer(ciphertext)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
+{
+ uint32_t algo;
+ HAL_StatusTypeDef status;
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set encryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
+
+ /* algo get algorithm selected */
+ algo = (hcryp->Instance->CR & CRYP_CR_ALGOMODE);
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+ /* Set the Initialization Vector*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Enable CRYP to start DES/TDES process*/
+ __HAL_CRYP_ENABLE(hcryp);
+
+ status = HAL_OK;
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ status = CRYP_AES_Encrypt_IT(hcryp);
+ break;
+
+ case CRYP_AES_GCM:
+
+ status = CRYP_AESGCM_Process_IT(hcryp) ;
+ break;
+
+ case CRYP_AES_CCM:
+
+ status = CRYP_AESCCM_Process_IT(hcryp);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status ;
+}
+
+/**
+ * @brief Decryption in itnterrupt mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (ciphertext )
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit
+ * @param Output: Pointer to the output buffer(plaintext)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
+{
+ uint32_t algo;
+ HAL_StatusTypeDef status = HAL_OK;
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set decryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
+
+ /* algo get algorithm selected */
+ algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+
+ /* Set the Initialization Vector*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Enable CRYP and start DES/TDES process*/
+ __HAL_CRYP_ENABLE(hcryp);
+
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ /* AES decryption */
+ status = CRYP_AES_Decrypt_IT(hcryp);
+ break;
+
+ case CRYP_AES_GCM:
+
+ /* AES GCM decryption */
+ status = CRYP_AESGCM_Process_IT(hcryp) ;
+ break;
+
+ case CRYP_AES_CCM:
+
+ /* AES CCMdecryption */
+ status = CRYP_AESCCM_Process_IT(hcryp);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status;
+}
+
+/**
+ * @brief Encryption in DMA mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (plaintext)
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit
+ * @param Output: Pointer to the output buffer(ciphertext)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+ uint32_t algo;
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set encryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
+
+ /* algo get algorithm selected */
+ algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+
+ /* Set the Initialization Vector*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Start DMA process transfer for DES/TDES */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U),
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the Initialization Vector*/
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1U);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2U);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3U);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Start DMA process transfer for AES */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U),
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+ break;
+
+ case CRYP_AES_GCM:
+
+ /* AES GCM encryption */
+ status = CRYP_AESGCM_Process_DMA(hcryp) ;
+ break;
+
+ case CRYP_AES_CCM:
+
+ /* AES CCM encryption */
+ status = CRYP_AESCCM_Process_DMA(hcryp);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status;
+}
+
+/**
+ * @brief Decryption in DMA mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Input: Pointer to the input buffer (ciphertext )
+ * @param Size: Length of the plaintext buffer either in word or in byte, according to DataWidthUnit
+ * @param Output: Pointer to the output buffer(plaintext)
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_CRYP_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
+{
+ uint32_t algo;
+ HAL_StatusTypeDef status = HAL_OK;
+
+ if (hcryp->State == HAL_CRYP_STATE_READY)
+ {
+ /* Change state Busy */
+ hcryp->State = HAL_CRYP_STATE_BUSY;
+
+ /* Process locked */
+ __HAL_LOCK(hcryp);
+
+ /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
+ hcryp->CrypInCount = 0U;
+ hcryp->CrypOutCount = 0U;
+ hcryp->pCrypInBuffPtr = Input;
+ hcryp->pCrypOutBuffPtr = Output;
+
+ /* Calculate Size parameter in Byte*/
+ if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
+ {
+ hcryp->Size = Size * 4U;
+ }
+ else
+ {
+ hcryp->Size = Size;
+ }
+
+ /* Set decryption operating mode*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
+
+ /* algo get algorithm selected */
+ algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
+
+ switch (algo)
+ {
+ case CRYP_DES_ECB:
+ case CRYP_DES_CBC:
+ case CRYP_TDES_ECB:
+ case CRYP_TDES_CBC:
+
+ /*Set Key */
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ }
+
+ /* Set the Initialization Vector*/
+ if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ }
+
+ /* Flush FIFO */
+ HAL_CRYP_FIFO_FLUSH(hcryp);
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Start DMA process transfer for DES/TDES */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U),
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+ break;
+
+ case CRYP_AES_ECB:
+ case CRYP_AES_CBC:
+ case CRYP_AES_CTR:
+
+ /* AES decryption */
+ status = CRYP_AES_Decrypt_DMA(hcryp);
+ break;
+
+ case CRYP_AES_GCM:
+
+ /* AES GCM decryption */
+ status = CRYP_AESGCM_Process_DMA(hcryp) ;
+
+ break;
+
+ case CRYP_AES_CCM:
+
+ /* AES CCM decryption */
+ status = CRYP_AESCCM_Process_DMA(hcryp);
+ break;
+
+ default:
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
+ status = HAL_ERROR;
+ break;
+ }
+ }
+ else
+ {
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+ status = HAL_ERROR;
+ }
+
+ /* Return function status */
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup CRYP_Exported_Functions_Group3 CRYP IRQ handler management
+ * @brief CRYP IRQ handler.
+ *
+@verbatim
+ ==============================================================================
+ ##### CRYP IRQ handler management #####
+ ==============================================================================
+[..] This section provides CRYP IRQ handler and callback functions.
+ (+) HAL_CRYP_IRQHandler CRYP interrupt request
+ (+) HAL_CRYP_InCpltCallback input data transfer complete callback
+ (+) HAL_CRYP_OutCpltCallback output data transfer complete callback
+ (+) HAL_CRYP_ErrorCallback CRYP error callback
+ (+) HAL_CRYP_GetState return the CRYP state
+ (+) HAL_CRYP_GetError return the CRYP error code
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief This function handles cryptographic interrupt request.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval None
+ */
+void HAL_CRYP_IRQHandler(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t itstatus = hcryp->Instance->MISR;
+
+ if ((itstatus & (CRYP_IT_INI | CRYP_IT_OUTI)) != 0U)
+ {
+ if ((hcryp->Init.Algorithm == CRYP_DES_ECB) || (hcryp->Init.Algorithm == CRYP_DES_CBC) ||
+ (hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
+ {
+ CRYP_TDES_IT(hcryp); /* DES or TDES*/
+ }
+ else if ((hcryp->Init.Algorithm == CRYP_AES_ECB) || (hcryp->Init.Algorithm == CRYP_AES_CBC) ||
+ (hcryp->Init.Algorithm == CRYP_AES_CTR))
+ {
+ CRYP_AES_IT(hcryp); /*AES*/
+ }
+
+ else if ((hcryp->Init.Algorithm == CRYP_AES_GCM) || (hcryp->Init.Algorithm == CRYP_CR_ALGOMODE_AES_CCM))
+ {
+ /* if header phase */
+ if ((hcryp->Instance->CR & CRYP_PHASE_HEADER) == CRYP_PHASE_HEADER)
+ {
+ CRYP_GCMCCM_SetHeaderPhase_IT(hcryp);
+ }
+ else /* if payload phase */
+ {
+ CRYP_GCMCCM_SetPayloadPhase_IT(hcryp);
+ }
+ }
+ else
+ {
+ /* Nothing to do */
+ }
+ }
+}
+
+/**
+ * @brief Return the CRYP error code.
+ * @param hcryp : pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for the CRYP IP
+ * @retval CRYP error code
+ */
+uint32_t HAL_CRYP_GetError(CRYP_HandleTypeDef *hcryp)
+{
+ return hcryp->ErrorCode;
+}
+
+/**
+ * @brief Returns the CRYP state.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval HAL state
+ */
+HAL_CRYP_STATETypeDef HAL_CRYP_GetState(CRYP_HandleTypeDef *hcryp)
+{
+ return hcryp->State;
+}
+
+/**
+ * @brief Input FIFO transfer completed callback.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval None
+ */
+__weak void HAL_CRYP_InCpltCallback(CRYP_HandleTypeDef *hcryp)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hcryp);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_CRYP_InCpltCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Output FIFO transfer completed callback.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval None
+ */
+__weak void HAL_CRYP_OutCpltCallback(CRYP_HandleTypeDef *hcryp)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hcryp);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_CRYP_OutCpltCallback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief CRYP error callback.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval None
+ */
+__weak void HAL_CRYP_ErrorCallback(CRYP_HandleTypeDef *hcryp)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hcryp);
+
+ /* NOTE : This function Should not be modified, when the callback is needed,
+ the HAL_CRYP_ErrorCallback could be implemented in the user file
+ */
+}
+/**
+ * @}
+ */
+
+/* Private functions ---------------------------------------------------------*/
+/** @addtogroup CRYP_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Encryption in ECB/CBC Algorithm with DES/TDES standard.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Timeout: Timeout value
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_TDES_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+
+ uint32_t temp; /* Temporary CrypOutBuff */
+ uint16_t incount; /* Temporary CrypInCount Value */
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ /*Start processing*/
+ while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
+ {
+ /* Temporary CrypInCount Value */
+ incount = hcryp->CrypInCount;
+ /* Write plain data and get cipher data */
+ if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < (hcryp->Size / 4U)))
+ {
+ /* Write the input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state & errorCode*/
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < (hcryp->Size / 4U)))
+ {
+ /* Read the output block from the Output FIFO and put them in temporary Buffer
+ then get CrypOutBuff from temporary buffer */
+ temp = hcryp->Instance->DOUT;
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp;
+ hcryp->CrypOutCount++;
+ temp = hcryp->Instance->DOUT;
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp;
+ hcryp->CrypOutCount++;
+ }
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+ }
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief CRYP block input/output data handling under interruption with DES/TDES standard.
+ * @note The function is called under interruption only, once
+ * interruptions have been enabled by CRYP_Decrypt_IT() and CRYP_Encrypt_IT().
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval HAL status
+ */
+static void CRYP_TDES_IT(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t temp; /* Temporary CrypOutBuff */
+
+ if (hcryp->State == HAL_CRYP_STATE_BUSY)
+ {
+ if (__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI) != 0x0U)
+ {
+ if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_FLAG_INRIS) != 0x0U)
+ {
+ /* Write input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+
+ if (hcryp->CrypInCount == (hcryp->Size / 4U))
+ {
+ /* Disable interruption */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
+
+ /* Call the input data transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Input complete callback*/
+ hcryp->InCpltCallback(hcryp);
+#else
+ /*Call legacy weak Input complete callback*/
+ HAL_CRYP_InCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+ }
+
+ if (__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI) != 0x0U)
+ {
+ if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_FLAG_OUTRIS) != 0x0U)
+ {
+ /* Read the output block from the Output FIFO and put them in temporary Buffer
+ then get CrypOutBuff from temporary buffer */
+ temp = hcryp->Instance->DOUT;
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp;
+ hcryp->CrypOutCount++;
+ temp = hcryp->Instance->DOUT;
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp;
+ hcryp->CrypOutCount++;
+ if (hcryp->CrypOutCount == (hcryp->Size / 4U))
+ {
+ /* Disable interruption */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
+
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Call output transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Output complete callback*/
+ hcryp->OutCpltCallback(hcryp);
+#else
+ /*Call legacy weak Output complete callback*/
+ HAL_CRYP_OutCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+
+ }
+ }
+ }
+ }
+ else
+ {
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+}
+
+/**
+ * @brief Encryption in ECB/CBC & CTR Algorithm with AES Standard
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure
+ * @param Timeout: specify Timeout value
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AES_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ /* Set the Initialization Vector*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1U);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2U);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3U);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
+ {
+ /* Write plain Ddta and get cipher data */
+ CRYP_AES_ProcessData(hcryp, Timeout);
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+ }
+
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Encryption in ECB/CBC & CTR mode with AES Standard using interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AES_Encrypt_IT(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ /* Set the Initialization Vector*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1U);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2U);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3U);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ if (hcryp->Size != 0U)
+ {
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ else
+ {
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Decryption in ECB/CBC & CTR mode with AES Standard
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure
+ * @param Timeout: Specify Timeout value
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AES_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Key preparation for ECB/CBC */
+ if (hcryp->Init.Algorithm != CRYP_AES_CTR) /*ECB or CBC*/
+ {
+ /* change ALGOMODE to key preparation for decryption*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
+
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Wait for BUSY flag to be raised */
+ if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ /* Turn back to ALGOMODE of the configuration */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
+ }
+ else /*Algorithm CTR */
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+ }
+
+ /* Set IV */
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ /* Set the Initialization Vector*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
+ {
+ /* Write plain data and get cipher data */
+ CRYP_AES_ProcessData(hcryp, Timeout);
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+ }
+
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Return function status */
+ return HAL_OK;
+}
+/**
+ * @brief Decryption in ECB/CBC & CTR mode with AES Standard using interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AES_Decrypt_IT(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Key preparation for ECB/CBC */
+ if (hcryp->Init.Algorithm != CRYP_AES_CTR)
+ {
+ /* change ALGOMODE to key preparation for decryption*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
+
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Wait for BUSY flag to be raised */
+ count = CRYP_TIMEOUT_KEYPREPARATION;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
+
+ /* Turn back to ALGOMODE of the configuration */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
+ }
+ else /*Algorithm CTR */
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+ }
+
+ /* Set IV */
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ /* Set the Initialization Vector*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+ if (hcryp->Size != 0U)
+ {
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ else
+ {
+ /* Process locked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+ }
+ /* Return function status */
+ return HAL_OK;
+}
+/**
+ * @brief Decryption in ECB/CBC & CTR mode with AES Standard using DMA mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AES_Decrypt_DMA(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ }
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Key preparation for ECB/CBC */
+ if (hcryp->Init.Algorithm != CRYP_AES_CTR)
+ {
+ /* change ALGOMODE to key preparation for decryption*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
+
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Wait for BUSY flag to be raised */
+ count = CRYP_TIMEOUT_KEYPREPARATION;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
+
+ /* Turn back to ALGOMODE of the configuration */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
+ }
+ else /*Algorithm CTR */
+ {
+ /* Set the Key*/
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+ }
+
+ if (hcryp->Init.Algorithm != CRYP_AES_ECB)
+ {
+ /* Set the Initialization Vector*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+ }
+ } /* if (DoKeyIVConfig == 1U) */
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ if (hcryp->Size != 0U)
+ {
+ /* Set the input and output addresses and start DMA transfer */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U),
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+ }
+ else
+ {
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @brief DMA CRYP input data process complete callback.
+ * @param hdma: DMA handle
+ * @retval None
+ */
+static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma)
+{
+ CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+
+ /* Disable the DMA transfer for input FIFO request by resetting the DIEN bit
+ in the DMACR register */
+ hcryp->Instance->DMACR &= (uint32_t)(~CRYP_DMACR_DIEN);
+
+ /* Call input data transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Input complete callback*/
+ hcryp->InCpltCallback(hcryp);
+#else
+ /*Call legacy weak Input complete callback*/
+ HAL_CRYP_InCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+}
+
+/**
+ * @brief DMA CRYP output data process complete callback.
+ * @param hdma: DMA handle
+ * @retval None
+ */
+static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma)
+{
+ uint32_t count;
+ uint32_t npblb;
+ uint32_t lastwordsize;
+ uint32_t temp; /* Temporary CrypOutBuff */
+ uint32_t temp_cr_algodir;
+ CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+
+
+ /* Disable the DMA transfer for output FIFO */
+ hcryp->Instance->DMACR &= (uint32_t)(~CRYP_DMACR_DOEN);
+
+ /* Last block transfer in case of GCM or CCM with Size not %16*/
+ if (((hcryp->Size) % 16U) != 0U)
+ {
+ /* set CrypInCount and CrypOutCount to exact number of word already computed via DMA */
+ hcryp->CrypInCount = (hcryp->Size / 16U) * 4U ;
+ hcryp->CrypOutCount = hcryp->CrypInCount;
+
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Case of AES GCM payload encryption or AES CCM payload decryption to get right tag */
+ temp_cr_algodir = hcryp->Instance->CR & CRYP_CR_ALGODIR;
+ if (((temp_cr_algodir == CRYP_OPERATINGMODE_ENCRYPT) && (hcryp->Init.Algorithm == CRYP_AES_GCM)) ||
+ ((temp_cr_algodir == CRYP_OPERATINGMODE_DECRYPT) && (hcryp->Init.Algorithm == CRYP_AES_CCM)))
+ {
+ /* Disable the CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Specify the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ }
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+ /* Write the last input block in the IN FIFO */
+ for (count = 0U; count < lastwordsize; count ++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+ /* Pad the data with zeros to have a complete block */
+ while (count < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ count++;
+ }
+ /* Wait for OFNE flag to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE));
+
+ /*Read the output block from the output FIFO */
+ for (count = 0U; count < 4U; count++)
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ temp = hcryp->Instance->DOUT;
+
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp;
+ hcryp->CrypOutCount++;
+ }
+ } /*End of last block transfer in case of GCM or CCM */
+
+ if ((hcryp->Init.Algorithm & CRYP_AES_GCM) != CRYP_AES_GCM)
+ {
+ /* Disable CRYP (not allowed in GCM)*/
+ __HAL_CRYP_DISABLE(hcryp);
+ }
+
+ /* Change the CRYP state to ready */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Call output data transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Output complete callback*/
+ hcryp->OutCpltCallback(hcryp);
+#else
+ /*Call legacy weak Output complete callback*/
+ HAL_CRYP_OutCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+}
+
+/**
+ * @brief DMA CRYP communication error callback.
+ * @param hdma: DMA handle
+ * @retval None
+ */
+static void CRYP_DMAError(DMA_HandleTypeDef *hdma)
+{
+ CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+
+ /* Change the CRYP peripheral state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* DMA error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
+
+ /* Call error callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+}
+
+/**
+ * @brief Set the DMA configuration and start the DMA transfer
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param inputaddr: address of the input buffer
+ * @param Size: size of the input buffer, must be a multiple of 16.
+ * @param outputaddr: address of the output buffer
+ * @retval None
+ */
+static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr)
+{
+ /* Set the CRYP DMA transfer complete callback */
+ hcryp->hdmain->XferCpltCallback = CRYP_DMAInCplt;
+
+ /* Set the DMA input error callback */
+ hcryp->hdmain->XferErrorCallback = CRYP_DMAError;
+
+ /* Set the CRYP DMA transfer complete callback */
+ hcryp->hdmaout->XferCpltCallback = CRYP_DMAOutCplt;
+
+ /* Set the DMA output error callback */
+ hcryp->hdmaout->XferErrorCallback = CRYP_DMAError;
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Enable the input DMA Stream */
+ if (HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DIN, Size) != HAL_OK)
+ {
+ /* DMA error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
+
+ /* Call error callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ /* Enable the output DMA Stream */
+ if (HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUT, outputaddr, Size) != HAL_OK)
+ {
+ /* DMA error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
+
+ /* Call error callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ /* Enable In/Out DMA request */
+ hcryp->Instance->DMACR = CRYP_DMACR_DOEN | CRYP_DMACR_DIEN;
+}
+
+/**
+ * @brief Process Data: Write Input data in polling mode and used in AES functions.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Timeout: Specify Timeout value
+ * @retval None
+ */
+static void CRYP_AES_ProcessData(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint16_t incount; /* Temporary CrypInCount Value */
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t i;
+
+ /*Temporary CrypOutCount Value*/
+ incount = hcryp->CrypInCount;
+
+ if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < ((hcryp->Size) / 4U)))
+ {
+ /* Write the input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state & error code*/
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < ((hcryp->Size) / 4U)))
+ {
+ /* Read the output block from the Output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ for (i = 0U; i < 4U; i++)
+ {
+ temp[i] = hcryp->Instance->DOUT;
+ }
+ i = 0U;
+ while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
+ hcryp->CrypOutCount++;
+ i++;
+ }
+ }
+}
+
+/**
+ * @brief Handle CRYP block input/output data handling under interruption.
+ * @note The function is called under interruption only, once
+ * interruptions have been enabled by HAL_CRYP_Encrypt_IT or HAL_CRYP_Decrypt_IT.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @retval HAL status
+ */
+static void CRYP_AES_IT(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint16_t incount; /* Temporary CrypInCount Value */
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t i;
+
+ if (hcryp->State == HAL_CRYP_STATE_BUSY)
+ {
+ /*Temporary CrypOutCount Value*/
+ incount = hcryp->CrypInCount;
+
+ if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < (hcryp->Size / 4U)))
+ {
+ /* Write the input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ if (hcryp->CrypInCount == (hcryp->Size / 4U))
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
+
+ /* Call the input data transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Input complete callback*/
+ hcryp->InCpltCallback(hcryp);
+#else
+ /*Call legacy weak Input complete callback*/
+ HAL_CRYP_InCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < (hcryp->Size / 4U)))
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ for (i = 0U; i < 4U; i++)
+ {
+ temp[i] = hcryp->Instance->DOUT;
+ }
+ i = 0U;
+ while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
+ hcryp->CrypOutCount++;
+ i++;
+ }
+ if (hcryp->CrypOutCount == (hcryp->Size / 4U))
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Call output transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered Output complete callback*/
+ hcryp->OutCpltCallback(hcryp);
+#else
+ /*Call legacy weak Output complete callback*/
+ HAL_CRYP_OutCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+ }
+ else
+ {
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ /* Busy error code field */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+}
+
+/**
+ * @brief Writes Key in Key registers.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param KeySize: Size of Key
+ * @retval None
+ */
+static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint32_t KeySize)
+{
+ switch (KeySize)
+ {
+ case CRYP_KEYSIZE_256B:
+ hcryp->Instance->K0LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K0RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 6);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 7);
+ break;
+ case CRYP_KEYSIZE_192B:
+ hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
+ break;
+ case CRYP_KEYSIZE_128B:
+ hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey);
+ hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 1);
+ hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 2);
+ hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 3);
+
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Timeout: Timeout duration
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESGCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t tickstart;
+ uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U;
+ uint32_t npblb ;
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint32_t index ;
+ uint32_t lastwordsize ;
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /****************************** Init phase **********************************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ /*Wait for the CRYPEN bit to be cleared*/
+ while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN)
+ {
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ }
+
+ /************************ Header phase *************************************/
+
+ if (CRYP_GCMCCM_SetHeaderPhase(hcryp, Timeout) != HAL_OK)
+ {
+ return HAL_ERROR;
+ }
+
+ /*************************Payload phase ************************************/
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Disable the CRYP peripheral */
+ __HAL_CRYP_DISABLE(hcryp);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set to 0 the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, 0U);
+ }
+
+ /* Select payload phase once the header phase is performed */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+ } /* if (DoKeyIVConfig == 1U) */
+
+ if ((hcryp->Size % 16U) != 0U)
+ {
+ /* recalculate wordsize */
+ wordsize = ((wordsize / 4U) * 4U) ;
+ }
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ /* Write input data and get output Data */
+ while ((hcryp->CrypInCount < wordsize) && (outcount < wordsize))
+ {
+ /* Write plain data and get cipher data */
+ CRYP_AES_ProcessData(hcryp, Timeout);
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state & error code */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ }
+
+ if ((hcryp->Size % 16U) != 0U)
+ {
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
+
+ /* Set Npblb in case of AES GCM payload encryption to get right tag*/
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
+ {
+ /* Disable the CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Specify the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Write the last input block in the IN FIFO */
+ for (index = 0U; index < lastwordsize; index ++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Pad the data with zeros to have a complete block */
+ while (index < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ /*Read the output block from the output FIFO */
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ temp[index] = hcryp->Instance->DOUT;
+ }
+ for (index = 0; index < lastwordsize; index++)
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = temp[index];
+ hcryp->CrypOutCount++;
+ }
+ }
+ }
+#if !defined (CRYP_VER_2_2)
+ else /* Workaround to be used */
+ {
+ /* Workaround 2 for STM32H7 below rev.B To generate correct TAG only when size of the last block of
+ payload is inferior to 128 bits, in case of GCM encryption or CCM decryption*/
+ CRYP_Workaround(hcryp, Timeout);
+ } /* end of NPBLB or Workaround*/
+#endif /*End of not defined CRYP_VER_2_2*/
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG in interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESGCM_Process_IT(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ /* Configure Key, IV and process message (header and payload) */
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /******************************* Init phase *********************************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /*Wait for the CRYPEN bit to be cleared*/
+ count = CRYP_TIMEOUT_GCMCCMINITPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
+
+ /***************************** Header phase *********************************/
+
+ /* Select header phase */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
+ } /* end of if (DoKeyIVConfig == 1U) */
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG using DMA
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESGCM_Process_DMA(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U ;
+ uint32_t index;
+ uint32_t npblb;
+ uint32_t lastwordsize;
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /*************************** Init phase ************************************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
+ hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
+ hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
+ hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
+ hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /*Wait for the CRYPEN bit to be cleared*/
+ count = CRYP_TIMEOUT_GCMCCMINITPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
+
+ /************************ Header phase *************************************/
+
+ if (CRYP_GCMCCM_SetHeaderPhase_DMA(hcryp) != HAL_OK)
+ {
+ return HAL_ERROR;
+ }
+
+ /************************ Payload phase ************************************/
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Disable the CRYP peripheral */
+ __HAL_CRYP_DISABLE(hcryp);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set to 0 the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, 0U);
+ }
+
+ /* Select payload phase once the header phase is performed */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
+
+ } /* if (DoKeyIVConfig == 1U) */
+
+ if (hcryp->Size == 0U)
+ {
+ /* Process unLocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state and phase */
+ hcryp->State = HAL_CRYP_STATE_READY;
+ }
+ else if (hcryp->Size >= 16U)
+ {
+ /* for STM32H7 below rev.B : Size should be %4 otherwise Tag will be incorrectly generated for GCM Encryption:
+ Workaround is implemented in polling mode, so if last block of payload <128bit don't use DMA mode otherwise
+ TAG is incorrectly generated */
+
+ /*DMA transfer must not include the last block in case of Size is not %16 */
+ wordsize = wordsize - (wordsize % 4U);
+
+ /*DMA transfer */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (uint16_t)wordsize,
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+ }
+ else /* length of input data is < 16 */
+ {
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = 16U - (uint32_t)hcryp->Size;
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set Npblb in case of AES GCM payload encryption to get right tag*/
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
+ {
+ /* Specify the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+ }
+ }
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Write the last input block in the IN FIFO */
+ for (index = 0; index < lastwordsize; index ++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Pad the data with zeros to have a complete block */
+ while (index < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE));
+
+ /*Read the output block from the output FIFO */
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ temp[index] = hcryp->Instance->DOUT;
+ }
+ for (index = 0; index < lastwordsize; index++)
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[index];
+ hcryp->CrypOutCount++;
+ }
+
+ /* Change the CRYP state to ready */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @brief AES CCM encryption/decryption processing in polling mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Timeout: Timeout duration
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESCCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t tickstart;
+ uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U;
+ uint32_t npblb ;
+ uint32_t lastwordsize ;
+ uint32_t temp[4] ; /* Temporary CrypOutBuff */
+ uint32_t index ;
+ uint16_t outcount; /* Temporary CrypOutCount Value */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /********************** Init phase ******************************************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector (IV) with CTR1 information */
+ hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
+ hcryp->Instance->IV0RR = hcryp->Init.B0[1];
+ hcryp->Instance->IV1LR = hcryp->Init.B0[2];
+ hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+#if defined (CRYP_VER_2_2)
+ {
+ /* for STM32H7 rev.B and above Write B0 packet into CRYP_DR*/
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+#else
+ if (hcryp->Version >= REV_ID_B)
+ {
+ /* for STM32H7 rev.B and above Write B0 packet into CRYP_DR*/
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+ else /* data has to be swapped according to the DATATYPE */
+ {
+ if (hcryp->Init.DataType == CRYP_BYTE_SWAP)
+ {
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else if (hcryp->Init.DataType == CRYP_HALFWORD_SWAP)
+ {
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
+ }
+ else if (hcryp->Init.DataType == CRYP_BIT_SWAP)
+ {
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+ }
+#endif /* CRYP_VER_2_2 */
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ /*Wait for the CRYPEN bit to be cleared*/
+ while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN)
+ {
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ }
+
+ /************************* Header phase *************************************/
+ /* Header block(B1) : associated data length expressed in bytes concatenated
+ with Associated Data (A)*/
+
+ if (CRYP_GCMCCM_SetHeaderPhase(hcryp, Timeout) != HAL_OK)
+ {
+ return HAL_ERROR;
+ }
+ /********************** Payload phase ***************************************/
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Disable the CRYP peripheral */
+ __HAL_CRYP_DISABLE(hcryp);
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set to 0 the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, 0U);
+ }
+
+ /* Select payload phase once the header phase is performed */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ } /* if (DoKeyIVConfig == 1U) */
+
+ if ((hcryp->Size % 16U) != 0U)
+ {
+ /* recalculate wordsize */
+ wordsize = ((wordsize / 4U) * 4U) ;
+ }
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ /* Write input data and get output data */
+ while ((hcryp->CrypInCount < wordsize) && (outcount < wordsize))
+ {
+ /* Write plain data and get cipher data */
+ CRYP_AES_ProcessData(hcryp, Timeout);
+
+ /*Temporary CrypOutCount Value*/
+ outcount = hcryp->CrypOutCount;
+
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ }
+
+ if ((hcryp->Size % 16U) != 0U)
+ {
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
+
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
+ {
+ /* Disable the CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Set Npblb in case of AES CCM payload decryption to get right tag */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Write the last input block in the IN FIFO */
+ for (index = 0U; index < lastwordsize; index ++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Pad the data with zeros to have a complete block */
+ while (index < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ /*Read the output block from the output FIFO */
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ temp[index] = hcryp->Instance->DOUT;
+ }
+ for (index = 0; index < lastwordsize; index++)
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[index];
+ hcryp->CrypOutCount++;
+ }
+ }
+ }
+#if !defined (CRYP_VER_2_2)
+ else /* No NPBLB, Workaround to be used */
+ {
+ /* CRYP Workaround : CRYP1 generates correct TAG during CCM decryption only when ciphertext
+ blocks size is multiple of 128 bits. If lthe size of the last block of payload is inferior to 128 bits,
+ when CCM decryption is selected, then the TAG message will be wrong.*/
+ CRYP_Workaround(hcryp, Timeout);
+ }
+#endif /*End of not defined CRYP_VER_2_2*/
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief AES CCM encryption/decryption process in interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESCCM_Process_IT(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ /* Configure Key, IV and process message (header and payload) */
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /************ Init phase ************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector (IV) with CTR1 information */
+ hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
+ hcryp->Instance->IV0RR = hcryp->Init.B0[1];
+ hcryp->Instance->IV1LR = hcryp->Init.B0[2];
+ hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /*Write the B0 packet into CRYP_DR*/
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* for STM32H7 rev.B and above data has not to be swapped */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+#if !defined (CRYP_VER_2_2)
+ else /* data has to be swapped according to the DATATYPE */
+ {
+ if (hcryp->Init.DataType == CRYP_BYTE_SWAP)
+ {
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else if (hcryp->Init.DataType == CRYP_HALFWORD_SWAP)
+ {
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
+ }
+ else if (hcryp->Init.DataType == CRYP_BIT_SWAP)
+ {
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+ }
+#endif /*End of not defined CRYP_VER_2_2*/
+ /*Wait for the CRYPEN bit to be cleared*/
+ count = CRYP_TIMEOUT_GCMCCMINITPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
+
+ /* Select header phase */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
+ } /* end of if (DoKeyIVConfig == 1U) */
+ /* Enable interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI);
+
+ /* Enable CRYP */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Return function status */
+ return HAL_OK;
+}
+/**
+ * @brief AES CCM encryption/decryption process in DMA mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_AESCCM_Process_DMA(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U ;
+ uint32_t index;
+ uint32_t npblb;
+ uint32_t lastwordsize;
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
+
+ if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
+ {
+ if (hcryp->KeyIVConfig == 1U)
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has already been done, skip it */
+ DoKeyIVConfig = 0U;
+ hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
+ }
+ else
+ {
+ /* If the Key and IV configuration has to be done only once
+ and if it has not been done already, do it and set KeyIVConfig
+ to keep track it won't have to be done again next time */
+ hcryp->KeyIVConfig = 1U;
+ hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
+ }
+ }
+ else
+ {
+ hcryp->SizesSum = hcryp->Size;
+ }
+
+ if (DoKeyIVConfig == 1U)
+ {
+ /* Reset CrypHeaderCount */
+ hcryp->CrypHeaderCount = 0U;
+
+ /************************** Init phase **************************************/
+
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
+
+ /* Set the key */
+ CRYP_SetKey(hcryp, hcryp->Init.KeySize);
+
+ /* Set the initialization vector (IV) with CTR1 information */
+ hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
+ hcryp->Instance->IV0RR = hcryp->Init.B0[1];
+ hcryp->Instance->IV1LR = hcryp->Init.B0[2];
+ hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /*Write the B0 packet into CRYP_DR*/
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* for STM32H7 rev.B and above data has not to be swapped */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+#if !defined (CRYP_VER_2_2)
+ else /* data has to be swapped according to the DATATYPE */
+ {
+ if (hcryp->Init.DataType == CRYP_BYTE_SWAP)
+ {
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else if (hcryp->Init.DataType == CRYP_HALFWORD_SWAP)
+ {
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
+ hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
+ }
+ else if (hcryp->Init.DataType == CRYP_BIT_SWAP)
+ {
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
+ hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
+ }
+ else
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
+ }
+ }
+#endif /*End of not defined CRYP_VER_2_2*/
+ /*Wait for the CRYPEN bit to be cleared*/
+ count = CRYP_TIMEOUT_GCMCCMINITPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
+
+ /********************* Header phase *****************************************/
+
+ if (CRYP_GCMCCM_SetHeaderPhase_DMA(hcryp) != HAL_OK)
+ {
+ return HAL_ERROR;
+ }
+
+ /******************** Payload phase *****************************************/
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Disable the CRYP peripheral */
+ __HAL_CRYP_DISABLE(hcryp);
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set to 0 the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, 0U);
+ }
+
+ /* Select payload phase once the header phase is performed */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
+ } /* if (DoKeyIVConfig == 1U) */
+
+ if (hcryp->Size == 0U)
+ {
+ /* Process unLocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state and phase */
+ hcryp->State = HAL_CRYP_STATE_READY;
+ }
+ else if (hcryp->Size >= 16U)
+ {
+ /* for STM32H7 below rev.B :: Size should be %4 otherwise Tag will be incorrectly generated for CCM Decryption,
+ Workaround is implemented in polling mode*/
+ /*DMA transfer must not include the last block in case of Size is not %16 */
+ wordsize = wordsize - (wordsize % 4U);
+
+ /*DMA transfer */
+ CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (uint16_t) wordsize,
+ (uint32_t)(hcryp->pCrypOutBuffPtr));
+ }
+ else /* length of input data is < 16U */
+ {
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = 16U - (uint32_t)(hcryp->Size);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set Npblb in case of AES CCM payload decryption to get right tag*/
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
+ {
+ /* Specify the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+ }
+ }
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Write the last input block in the IN FIFO */
+ for (index = 0U; index < lastwordsize; index ++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+
+ /* Pad the data with zeros to have a complete block */
+ while (index < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+
+ /* Wait for OFNE flag to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE));
+
+ /*Read the output block from the output FIFO */
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the output block from the output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ temp[index] = hcryp->Instance->DOUT;
+ }
+ for (index = 0; index < lastwordsize; index++)
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[index];
+ hcryp->CrypOutCount++;
+ }
+
+ /* Change the CRYP state to ready */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Sets the payload phase in interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @retval state
+ */
+static void CRYP_GCMCCM_SetPayloadPhase_IT(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t loopcounter;
+ uint32_t temp[4]; /* Temporary CrypOutBuff */
+ uint32_t lastwordsize;
+ uint32_t npblb;
+ uint32_t temp_cr_algodir;
+ uint8_t negative = 0U;
+ uint32_t i;
+
+ /***************************** Payload phase *******************************/
+
+ if ((hcryp->Size / 4U) < hcryp->CrypInCount)
+ {
+ negative = 1U;
+ }
+
+ if (hcryp->Size == 0U)
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+ }
+
+ else if ((((hcryp->Size / 4U) - (hcryp->CrypInCount)) >= 4U) &&
+ (negative == 0U))
+ {
+ if ((hcryp->Instance->IMSCR & CRYP_IMSCR_INIM) != 0x0U)
+ {
+ /* Write the input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ if (((hcryp->Size / 4U) == hcryp->CrypInCount) && ((hcryp->Size % 16U) == 0U))
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
+ /* Call the input data transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
+ /*Call registered Input complete callback*/
+ hcryp->InCpltCallback(hcryp);
+#else
+ /*Call legacy weak Input complete callback*/
+ HAL_CRYP_InCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ if (hcryp->CrypOutCount < (hcryp->Size / 4U))
+ {
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ /* Read the output block from the Output FIFO and put them in temporary buffer
+ then get CrypOutBuff from temporary buffer */
+ for (i = 0U; i < 4U; i++)
+ {
+ temp[i] = hcryp->Instance->DOUT;
+ }
+ i = 0U;
+ while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
+ hcryp->CrypOutCount++;
+ i++;
+ }
+ if (((hcryp->Size / 4U) == hcryp->CrypOutCount) && ((hcryp->Size % 16U) == 0U))
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
+
+ /* Change the CRYP state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Disable CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Call output transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
+ /*Call registered Output complete callback*/
+ hcryp->OutCpltCallback(hcryp);
+#else
+ /*Call legacy weak Output complete callback*/
+ HAL_CRYP_OutCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+ }
+ }
+ }
+ else if ((hcryp->Size % 16U) != 0U)
+ {
+ /* Set padding only in case of input fifo interrupt */
+ if ((hcryp->Instance->IMSCR & CRYP_IMSCR_INIM) != 0x0U)
+ {
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = ((((uint32_t)hcryp->Size / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set Npblb in case of AES GCM payload encryption and CCM decryption to get right tag */
+ temp_cr_algodir = hcryp->Instance->CR & CRYP_CR_ALGODIR;
+
+ if (((temp_cr_algodir == CRYP_OPERATINGMODE_ENCRYPT) && (hcryp->Init.Algorithm == CRYP_AES_GCM)) ||
+ ((temp_cr_algodir == CRYP_OPERATINGMODE_DECRYPT) && (hcryp->Init.Algorithm == CRYP_AES_CCM)))
+ {
+ /* Disable the CRYP */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Specify the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, npblb << 20);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ }
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Write the last input block in the IN FIFO */
+ for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+ /* Pad the data with zeros to have a complete block */
+ while (loopcounter < 4U)
+ {
+ hcryp->Instance->DIN = 0U;
+ loopcounter++;
+ }
+
+ /* Disable the input FIFO Interrupt */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
+ }
+
+ /*Read the output block from the output FIFO */
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (i = 0U; i < 4U; i++)
+ {
+ temp[i] = hcryp->Instance->DOUT;
+ }
+ if (((hcryp->Size) / 4U) == 0U)
+ {
+ for (i = 0U; (uint16_t)i < ((hcryp->Size) % 4U); i++)
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
+ hcryp->CrypOutCount++;
+ }
+ }
+ i = 0U;
+ while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
+ {
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
+ hcryp->CrypOutCount++;
+ i++;
+ }
+ }
+
+ /* Disable the output FIFO Interrupt */
+ if (hcryp->CrypOutCount >= ((hcryp->Size) / 4U))
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI | CRYP_IT_INI);
+
+ /* Change the CRYP peripheral state */
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+
+ /* Call output transfer complete callback */
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
+ /*Call registered Output complete callback*/
+ hcryp->OutCpltCallback(hcryp);
+#else
+ /*Call legacy weak Output complete callback*/
+ HAL_CRYP_OutCpltCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+ else
+ {
+ /* Nothing to do */
+ }
+}
+
+
+/**
+ * @brief Sets the header phase in polling mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module(Header & HeaderSize)
+ * @param Timeout: Timeout value
+ * @retval state
+ */
+static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t loopcounter;
+ uint32_t size_in_bytes;
+ uint32_t tmp;
+ uint32_t mask[4] = {0x0U, 0x0FFU, 0x0FFFFU, 0x0FFFFFFU};
+
+ /***************************** Header phase for GCM/GMAC or CCM *********************************/
+
+
+ if (hcryp->Init.HeaderWidthUnit == CRYP_HEADERWIDTHUNIT_WORD)
+ {
+ size_in_bytes = hcryp->Init.HeaderSize * 4U;
+ }
+ else
+ {
+ size_in_bytes = hcryp->Init.HeaderSize;
+ }
+
+ if ((size_in_bytes != 0U))
+ {
+ /* Select header phase */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ /* If size_in_bytes is a multiple of blocks (a multiple of four 32-bits words ) */
+ if ((size_in_bytes % 16U) == 0U)
+ {
+ /* No padding */
+ for (loopcounter = 0U; (loopcounter < (size_in_bytes / 4U)); loopcounter += 4U)
+
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+
+ /* Wait for IFEM to be raised */
+ if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ }
+ else
+ {
+ /* Write header block in the IN FIFO without last block */
+ for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 16U) * 4U)); loopcounter += 4U)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+
+ /* Wait for IFEM to be raised */
+ if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ /* Last block optionally pad the data with zeros*/
+ for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 4U) % 4U)); loopcounter++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ }
+ /* If the header size is a multiple of words */
+ if ((size_in_bytes % 4U) == 0U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ while (loopcounter < 4U)
+ {
+ hcryp->Instance->DIN = 0x0U;
+ loopcounter++;
+ }
+ }
+ else
+ {
+ /* Enter last bytes, padded with zeroes */
+ tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ tmp &= mask[size_in_bytes % 4U];
+ hcryp->Instance->DIN = tmp;
+ loopcounter++;
+ /* Pad the data with zeros to have a complete block */
+ while (loopcounter < 4U)
+ {
+ hcryp->Instance->DIN = 0x0U;
+ loopcounter++;
+ }
+ }
+ /* Wait for CCF IFEM to be raised */
+ if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ /* Wait until the complete message has been processed */
+ if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked & return error */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ }
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Sets the header phase when using DMA in process
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module(Header & HeaderSize)
+ * @retval None
+ */
+static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase_DMA(CRYP_HandleTypeDef *hcryp)
+{
+ __IO uint32_t count = 0U;
+ uint32_t loopcounter;
+
+ /***************************** Header phase for GCM/GMAC or CCM *********************************/
+ if ((hcryp->Init.HeaderSize != 0U))
+ {
+ /* Select header phase */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+
+ if ((hcryp->Init.HeaderSize % 4U) == 0U)
+ {
+ /* HeaderSize %4, no padding */
+ for (loopcounter = 0U; (loopcounter < hcryp->Init.HeaderSize); loopcounter += 4U)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+
+ /* Wait for IFEM to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
+ }
+ }
+ else
+ {
+ /*Write header block in the IN FIFO without last block */
+ for (loopcounter = 0U; (loopcounter < ((hcryp->Init.HeaderSize) - (hcryp->Init.HeaderSize % 4U)));
+ loopcounter += 4U)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+
+ /* Wait for IFEM to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
+ }
+ /* Last block optionally pad the data with zeros*/
+ for (loopcounter = 0U; (loopcounter < (hcryp->Init.HeaderSize % 4U)); loopcounter++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ }
+ while (loopcounter < 4U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ hcryp->Instance->DIN = 0x0U;
+ loopcounter++;
+ }
+ /* Wait for IFEM to be raised */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
+ }
+ /* Wait until the complete message has been processed */
+ count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
+ do
+ {
+ count-- ;
+ if (count == 0U)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+ return HAL_ERROR;
+ }
+ } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Sets the header phase in interrupt mode
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module(Header & HeaderSize)
+ * @retval None
+ */
+static void CRYP_GCMCCM_SetHeaderPhase_IT(CRYP_HandleTypeDef *hcryp)
+{
+ uint32_t loopcounter;
+
+ /***************************** Header phase *********************************/
+
+ if (hcryp->Init.HeaderSize == hcryp->CrypHeaderCount)
+ {
+ /* Disable interrupts */
+ __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
+
+ /* Disable the CRYP peripheral */
+ __HAL_CRYP_DISABLE(hcryp);
+
+#if !defined (CRYP_VER_2_2)
+ if (hcryp->Version >= REV_ID_B)
+#endif /*End of not defined CRYP_VER_2_2*/
+ {
+ /* Set to 0 the number of non-valid bytes using NPBLB register*/
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_NPBLB, 0U);
+ }
+
+ /* Set the phase */
+ hcryp->Phase = CRYP_PHASE_PROCESS;
+
+ /* Select payload phase once the header phase is performed */
+ CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
+
+ /* Enable Interrupts */
+ __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
+
+ /* Enable the CRYP peripheral */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ else if (((hcryp->Init.HeaderSize) - (hcryp->CrypHeaderCount)) >= 4U)
+
+ {
+ /* HeaderSize %4, no padding */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ }
+ else
+ {
+ /* Last block optionally pad the data with zeros*/
+ for (loopcounter = 0U; loopcounter < (hcryp->Init.HeaderSize % 4U); loopcounter++)
+ {
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
+ hcryp->CrypHeaderCount++ ;
+ }
+ while (loopcounter < 4U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ hcryp->Instance->DIN = 0x0U;
+ loopcounter++;
+ }
+ }
+}
+
+#if !defined (CRYP_VER_2_2)
+/**
+ * @brief Workaround used for GCM/CCM mode.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module
+ * @param Timeout: Timeout value
+ * @retval None
+ */
+static void CRYP_Workaround(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t iv1temp;
+ uint32_t temp[4] = {0};
+ uint32_t temp2[4] = {0};
+ uint32_t intermediate_data[4] = {0};
+ uint32_t index;
+ uint32_t lastwordsize;
+ uint32_t npblb;
+
+ /* Compute the number of padding bytes in last block of payload */
+ npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
+
+ /* Number of valid words (lastwordsize) in last block */
+ if ((npblb % 4U) == 0U)
+ {
+ lastwordsize = (16U - npblb) / 4U;
+ }
+ else
+ {
+ lastwordsize = ((16U - npblb) / 4U) + 1U;
+ }
+
+ /* Workaround 2, case GCM encryption */
+ if (hcryp->Init.Algorithm == CRYP_AES_GCM)
+ {
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
+ {
+ /*Workaround in order to properly compute authentication tags while doing
+ a GCM encryption with the last block of payload size inferior to 128 bits*/
+ /* Disable CRYP to start the final phase */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /*Update CRYP_IV1R register and ALGOMODE*/
+ hcryp->Instance->IV1RR = ((hcryp->Instance->CSGCMCCM7R) - 1U);
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CTR);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+
+ for (index = 0; index < lastwordsize ; index ++)
+ {
+ /* Write the last input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+ while (index < 4U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the output block from the output FIFO */
+ intermediate_data[index] = hcryp->Instance->DOUT;
+
+ /* Intermediate data buffer to be used in for the workaround*/
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = intermediate_data[index];
+ hcryp->CrypOutCount++;
+ }
+ }
+
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
+ {
+ /*workaround in order to properly compute authentication tags while doing
+ a GCM encryption with the last block of payload size inferior to 128 bits*/
+ /* Change the AES mode to GCM mode and Select Final phase */
+ /* configured CHMOD GCM */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_GCM);
+
+ /* configured final phase */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH, CRYP_PHASE_FINAL);
+
+ if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_NO_SWAP)
+ {
+ if ((npblb % 4U) == 1U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFFFFFF00U;
+ }
+ if ((npblb % 4U) == 2U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFFFF0000U;
+ }
+ if ((npblb % 4U) == 3U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFF000000U;
+ }
+ }
+ else if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_BYTE_SWAP)
+ {
+ if ((npblb % 4U) == 1U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __REV(0xFFFFFF00U);
+ }
+ if ((npblb % 4U) == 2U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __REV(0xFFFF0000U);
+ }
+ if ((npblb % 4U) == 3U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __REV(0xFF000000U);
+ }
+ }
+ else if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_HALFWORD_SWAP)
+ {
+ if ((npblb % 4U) == 1U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFFFF00U), 16);
+ }
+ if ((npblb % 4U) == 2U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFF0000U), 16);
+ }
+ if ((npblb % 4U) == 3U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __ROR((0xFF000000U), 16);
+ }
+ }
+ else /*CRYP_BIT_SWAP*/
+ {
+ if ((npblb % 4U) == 1U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFFFF00U);
+ }
+ if ((npblb % 4U) == 2U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFF0000U);
+ }
+ if ((npblb % 4U) == 3U)
+ {
+ intermediate_data[lastwordsize - 1U] &= __RBIT(0xFF000000U);
+ }
+ }
+
+ for (index = 0U; index < lastwordsize ; index ++)
+ {
+ /*Write the intermediate_data in the IN FIFO */
+ hcryp->Instance->DIN = intermediate_data[index];
+ }
+ while (index < 4U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ hcryp->Instance->DIN = 0x0U;
+ index++;
+ }
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (index = 0U; index < 4U; index++)
+ {
+ intermediate_data[index] = hcryp->Instance->DOUT;
+ }
+ }
+ }
+ } /* End of GCM encryption */
+ else
+ {
+ /* Workaround 2, case CCM decryption, in order to properly compute
+ authentication tags while doing a CCM decryption with the last block
+ of payload size inferior to 128 bits*/
+
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
+ {
+ iv1temp = hcryp->Instance->CSGCMCCM7R;
+
+ /* Disable CRYP to start the final phase */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ temp[0] = hcryp->Instance->CSGCMCCM0R;
+ temp[1] = hcryp->Instance->CSGCMCCM1R;
+ temp[2] = hcryp->Instance->CSGCMCCM2R;
+ temp[3] = hcryp->Instance->CSGCMCCM3R;
+
+ hcryp->Instance->IV1RR = iv1temp;
+
+ /* Configured CHMOD CTR */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CTR);
+
+ /* Enable CRYP to start the final phase */
+ __HAL_CRYP_ENABLE(hcryp);
+ }
+ /* Last block optionally pad the data with zeros*/
+ for (index = 0U; index < lastwordsize; index ++)
+ {
+ /* Write the last Input block in the IN FIFO */
+ hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
+ hcryp->CrypInCount++;
+ }
+ while (index < 4U)
+ {
+ /* Pad the data with zeros to have a complete block */
+ hcryp->Instance->DIN = 0U;
+ index++;
+ }
+ /* Wait for OFNE flag to be raised */
+ if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+
+ if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
+ {
+ for (index = 0U; index < 4U; index++)
+ {
+ /* Read the Output block from the Output FIFO */
+ intermediate_data[index] = hcryp->Instance->DOUT;
+
+ /*intermediate data buffer to be used in for the workaround*/
+ *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = intermediate_data[index];
+ hcryp->CrypOutCount++;
+ }
+ }
+
+ if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
+ {
+ temp2[0] = hcryp->Instance->CSGCMCCM0R;
+ temp2[1] = hcryp->Instance->CSGCMCCM1R;
+ temp2[2] = hcryp->Instance->CSGCMCCM2R;
+ temp2[3] = hcryp->Instance->CSGCMCCM3R;
+
+ /* configured CHMOD CCM */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CCM);
+
+ /* configured Header phase */
+ MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH, CRYP_PHASE_HEADER);
+
+ /*set to zero the bits corresponding to the padded bits*/
+ for (index = lastwordsize; index < 4U; index ++)
+ {
+ intermediate_data[index] = 0U;
+ }
+
+ if ((npblb % 4U) == 1U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFFFFFF00U;
+ }
+ if ((npblb % 4U) == 2U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFFFF0000U;
+ }
+ if ((npblb % 4U) == 3U)
+ {
+ intermediate_data[lastwordsize - 1U] &= 0xFF000000U;
+ }
+
+ for (index = 0U; index < 4U ; index ++)
+ {
+ intermediate_data[index] ^= temp[index];
+ intermediate_data[index] ^= temp2[index];
+ }
+ for (index = 0U; index < 4U; index ++)
+ {
+ /* Write the last Input block in the IN FIFO */
+ hcryp->Instance->DIN = intermediate_data[index] ;
+ }
+
+ /* Wait for BUSY flag to be raised */
+ if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
+ {
+ /* Disable the CRYP peripheral clock */
+ __HAL_CRYP_DISABLE(hcryp);
+
+ /* Change state */
+ hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
+ hcryp->State = HAL_CRYP_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+#if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
+ /*Call registered error callback*/
+ hcryp->ErrorCallback(hcryp);
+#else
+ /*Call legacy weak error callback*/
+ HAL_CRYP_ErrorCallback(hcryp);
+#endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
+ }
+ }
+ } /* End of CCM WKA*/
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hcryp);
+}
+#endif /*End of not defined CRYP_VER_2_2*/
+
+/**
+ * @brief Handle CRYP hardware block Timeout when waiting for IFEM flag to be raised.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @param Timeout: Timeout duration.
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_WaitOnIFEMFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t tickstart;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM))
+ {
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ return HAL_ERROR;
+ }
+ }
+ }
+ return HAL_OK;
+}
+/**
+ * @brief Handle CRYP hardware block Timeout when waiting for BUSY flag to be raised.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @param Timeout: Timeout duration.
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_WaitOnBUSYFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t tickstart;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY))
+ {
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ return HAL_ERROR;
+ }
+ }
+ }
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Handle CRYP hardware block Timeout when waiting for OFNE flag to be raised.
+ * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
+ * the configuration information for CRYP module.
+ * @param Timeout: Timeout duration.
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef CRYP_WaitOnOFNEFlag(const CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
+{
+ uint32_t tickstart;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE))
+ {
+ /* Check for the Timeout */
+ if (Timeout != HAL_MAX_DELAY)
+ {
+ if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+ {
+ return HAL_ERROR;
+ }
+ }
+ }
+ return HAL_OK;
+}
+
+
+/**
+ * @}
+ */
+
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+
+/**
+ * @}
+ */
+#endif /* CRYP */
+/**
+ * @}
+ */
+
|