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diff Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cryp.c @ 128:c78bcbd5deda FlipDisplay
Added current STM32 standandard libraries in version independend folder structure
author | Ideenmodellierer |
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date | Sun, 17 Feb 2019 21:12:22 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cryp.c Sun Feb 17 21:12:22 2019 +0100 @@ -0,0 +1,5159 @@ +/** + ****************************************************************************** + * @file stm32f4xx_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 + * + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + The CRYP HAL driver can be used 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_AESECB_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_AESECB_Encrypt_DMA()) + (+++) Enable the DMAx interface clock using __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 HAL using HAL_CRYP_Init(). This function configures mainly: + (##) The data type: 1-bit, 8-bit, 16-bit and 32-bit + (##) The key size: 128, 192 and 256. This parameter is relevant only for AES + (##) The encryption/decryption key. It's size depends on the algorithm + used for encryption/decryption + (##) The initialization vector (counter). It is not used ECB 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_AESCBC_Encrypt() + (##) Interrupt mode: encryption and decryption APIs are not blocking functions + i.e. they process the data under interrupt, + e.g. HAL_CRYP_AESCBC_Encrypt_IT() + (##) DMA mode: encryption and decryption APIs are not blocking functions + i.e. the data transfer is ensured by DMA, + e.g. HAL_CRYP_AESCBC_Encrypt_DMA() + + (#)When the processing function is called at first time after HAL_CRYP_Init() + the CRYP peripheral is initialized and processes the buffer in input. + At second call, the processing function performs an append of the already + processed buffer. + When a new data block is to be processed, call HAL_CRYP_Init() then the + processing function. + + (#)Call HAL_CRYP_DeInit() to deinitialize the CRYP peripheral. + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +#ifdef HAL_CRYP_MODULE_ENABLED + +#if defined(CRYP) + +/** @defgroup CRYP CRYP + * @brief CRYP HAL module driver. + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @addtogroup CRYP_Private_define + * @{ + */ +#define CRYP_TIMEOUT_VALUE 1U +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/** @addtogroup CRYP_Private_Functions_prototypes + * @{ + */ +static void CRYP_SetInitVector(CRYP_HandleTypeDef *hcryp, uint8_t *InitVector, uint32_t IVSize); +static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint8_t *Key, uint32_t KeySize); +static HAL_StatusTypeDef CRYP_ProcessData(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout); +static HAL_StatusTypeDef CRYP_ProcessData2Words(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout); +static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma); +static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma); +static void CRYP_DMAError(DMA_HandleTypeDef *hdma); +static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr); +static void CRYP_SetTDESECBMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction); +static void CRYP_SetTDESCBCMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction); +static void CRYP_SetDESECBMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction); +static void CRYP_SetDESCBCMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction); +/** + * @} + */ + + +/* Private functions ---------------------------------------------------------*/ + +/** @addtogroup CRYP_Private_Functions + * @{ + */ + + +/** + * @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 */ + HAL_CRYP_InCpltCallback(hcryp); +} + +/** + * @brief DMA CRYP Output Data process complete callback. + * @param hdma DMA handle + * @retval None + */ +static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma) +{ + CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; + + /* Disable the DMA transfer for output FIFO request by resetting the DOEN bit + in the DMACR register */ + hcryp->Instance->DMACR &= (uint32_t)(~CRYP_DMACR_DOEN); + + /* Disable CRYP */ + __HAL_CRYP_DISABLE(hcryp); + + /* Change the CRYP state to ready */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Call output data transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); +} + +/** + * @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; + hcryp->State= HAL_CRYP_STATE_READY; + HAL_CRYP_ErrorCallback(hcryp); +} + +/** + * @brief Writes the Key in Key registers. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Key Pointer to Key buffer + * @param KeySize Size of Key + * @retval None + */ +static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint8_t *Key, uint32_t KeySize) +{ + uint32_t keyaddr = (uint32_t)Key; + + switch(KeySize) + { + case CRYP_KEYSIZE_256B: + /* Key Initialisation */ + hcryp->Instance->K0LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K0RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K1LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K1RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K2LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K2RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3RR = __REV(*(uint32_t*)(keyaddr)); + break; + case CRYP_KEYSIZE_192B: + hcryp->Instance->K1LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K1RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K2LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K2RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3RR = __REV(*(uint32_t*)(keyaddr)); + break; + case CRYP_KEYSIZE_128B: + hcryp->Instance->K2LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K2RR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3LR = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->K3RR = __REV(*(uint32_t*)(keyaddr)); + break; + default: + break; + } +} + +/** + * @brief Writes the InitVector/InitCounter in IV registers. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param InitVector Pointer to InitVector/InitCounter buffer + * @param IVSize Size of the InitVector/InitCounter + * @retval None + */ +static void CRYP_SetInitVector(CRYP_HandleTypeDef *hcryp, uint8_t *InitVector, uint32_t IVSize) +{ + uint32_t ivaddr = (uint32_t)InitVector; + + switch(IVSize) + { + case CRYP_KEYSIZE_128B: + hcryp->Instance->IV0LR = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IV0RR = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IV1LR = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IV1RR = __REV(*(uint32_t*)(ivaddr)); + break; + /* Whatever key size 192 or 256, Init vector is written in IV0LR and IV0RR */ + case CRYP_KEYSIZE_192B: + hcryp->Instance->IV0LR = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IV0RR = __REV(*(uint32_t*)(ivaddr)); + break; + case CRYP_KEYSIZE_256B: + hcryp->Instance->IV0LR = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IV0RR = __REV(*(uint32_t*)(ivaddr)); + break; + default: + break; + } +} + +/** + * @brief Process Data: Writes Input data in polling mode and read the output data + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Input Pointer to the Input buffer + * @param Ilength Length of the Input buffer, must be a multiple of 16. + * @param Output Pointer to the returned buffer + * @param Timeout Timeout value + * @retval None + */ +static HAL_StatusTypeDef CRYP_ProcessData(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout) +{ + uint32_t tickstart = 0U; + + uint32_t i = 0U; + uint32_t inputaddr = (uint32_t)Input; + uint32_t outputaddr = (uint32_t)Output; + + for(i=0U; (i < Ilength); i+=16U) + { + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE)) + { + /* Check for the Timeout */ + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + } + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Process Data: Write Input data in polling mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Input Pointer to the Input buffer + * @param Ilength Length of the Input buffer, must be a multiple of 8 + * @param Output Pointer to the returned buffer + * @param Timeout Specify Timeout value + * @retval None + */ +static HAL_StatusTypeDef CRYP_ProcessData2Words(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout) +{ + uint32_t tickstart = 0U; + + uint32_t i = 0U; + uint32_t inputaddr = (uint32_t)Input; + uint32_t outputaddr = (uint32_t)Output; + + for(i=0U; (i < Ilength); i+=8U) + { + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE)) + { + /* Check for the Timeout */ + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + } + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @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 error callback */ + hcryp->hdmain->XferErrorCallback = CRYP_DMAError; + + /* Set the CRYP DMA transfer complete callback */ + hcryp->hdmaout->XferCpltCallback = CRYP_DMAOutCplt; + /* Set the DMA error callback */ + hcryp->hdmaout->XferErrorCallback = CRYP_DMAError; + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Enable the DMA In DMA Stream */ + HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DR, Size/4U); + + /* Enable In DMA request */ + hcryp->Instance->DMACR = (CRYP_DMACR_DIEN); + + /* Enable the DMA Out DMA Stream */ + HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUT, outputaddr, Size/4U); + + /* Enable Out DMA request */ + hcryp->Instance->DMACR |= CRYP_DMACR_DOEN; + +} + +/** + * @brief Sets the CRYP peripheral in DES ECB mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Direction Encryption or decryption + * @retval None + */ +static void CRYP_SetDESECBMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction) +{ + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_DES_ECB | Direction); + + /* Set the key */ + hcryp->Instance->K1LR = __REV(*(uint32_t*)(hcryp->Init.pKey)); + hcryp->Instance->K1RR = __REV(*(uint32_t*)(hcryp->Init.pKey+4U)); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } +} + +/** + * @brief Sets the CRYP peripheral in DES CBC mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Direction Encryption or decryption + * @retval None + */ +static void CRYP_SetDESCBCMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction) +{ + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_DES_CBC | Direction); + + /* Set the key */ + hcryp->Instance->K1LR = __REV(*(uint32_t*)(hcryp->Init.pKey)); + hcryp->Instance->K1RR = __REV(*(uint32_t*)(hcryp->Init.pKey+4U)); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_256B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } +} + +/** + * @brief Sets the CRYP peripheral in TDES ECB mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Direction Encryption or decryption + * @retval None + */ +static void CRYP_SetTDESECBMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction) +{ + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_TDES_ECB | Direction); + + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, CRYP_KEYSIZE_192B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } +} + +/** + * @brief Sets the CRYP peripheral in TDES CBC mode + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param Direction Encryption or decryption + * @retval None + */ +static void CRYP_SetTDESCBCMode(CRYP_HandleTypeDef *hcryp, uint32_t Direction) +{ + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the CRYP peripheral in AES CBC mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_TDES_CBC | Direction); + + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, CRYP_KEYSIZE_192B); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_256B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } +} + +/** + * @} + */ + + /* Exported functions --------------------------------------------------------*/ +/** @addtogroup CRYP_Exported_Functions + * @{ + */ + +/** @defgroup CRYP_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions. + * +@verbatim + ============================================================================== + ##### Initialization and de-initialization functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Initialize the CRYP according to the specified parameters + in the CRYP_InitTypeDef and creates the associated handle + (+) DeInitialize the CRYP peripheral + (+) Initialize the CRYP MSP + (+) DeInitialize CRYP MSP + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the CRYP according to the specified + * parameters in the CRYP_InitTypeDef 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 the parameters */ + assert_param(IS_CRYP_KEYSIZE(hcryp->Init.KeySize)); + assert_param(IS_CRYP_DATATYPE(hcryp->Init.DataType)); + + 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); + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set the key size and data type*/ + CRYP->CR = (uint32_t) (hcryp->Init.KeySize | hcryp->Init.DataType); + + /* Reset CrypInCount and CrypOutCount */ + hcryp->CrypInCount = 0U; + hcryp->CrypOutCount = 0U; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Set the default CRYP phase */ + hcryp->Phase = HAL_CRYP_PHASE_READY; + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief DeInitializes 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; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set the default CRYP phase */ + hcryp->Phase = HAL_CRYP_PHASE_READY; + + /* Reset CrypInCount and CrypOutCount */ + hcryp->CrypInCount = 0U; + hcryp->CrypOutCount = 0U; + + /* Disable the CRYP Peripheral Clock */ + __HAL_CRYP_DISABLE(hcryp); + + /* DeInit the low level hardware: CLOCK, NVIC.*/ + HAL_CRYP_MspDeInit(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_RESET; + + /* Release Lock */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @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 + */ +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group2 AES processing functions + * @brief processing functions. + * +@verbatim + ============================================================================== + ##### AES processing functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Encrypt plaintext using AES-128/192/256 using chaining modes + (+) Decrypt cyphertext using AES-128/192/256 using chaining modes + [..] Three processing functions are available: + (+) Polling mode + (+) Interrupt mode + (+) DMA mode + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the CRYP peripheral in AES ECB encryption mode + * then encrypt pPlainData. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CBC encryption mode + * then encrypt pPlainData. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp,pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR encryption mode + * then encrypt pPlainData. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + + + +/** + * @brief Initializes the CRYP peripheral in AES ECB decryption mode + * then decrypted pCypherData. The cypher data are available in pPlainData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + uint32_t tickstart = 0U; + + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + } + + /* Disable CRYP */ + __HAL_CRYP_DISABLE(hcryp); + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES ECB decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB | CRYP_CR_ALGODIR); + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES ECB decryption mode + * then decrypted pCypherData. The cypher data are available in pPlainData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + uint32_t tickstart = 0U; + + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + } + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES CBC decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR decryption mode + * then decrypted pCypherData. The cypher data are available in pPlainData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES CTR mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES ECB encryption mode using Interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Locked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CBC encryption mode using Interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES CBC mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Locked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR encryption mode using Interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES CTR mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + + +/** + * @brief Initializes the CRYP peripheral in AES ECB decryption mode using Interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t tickstart = 0U; + + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if((HAL_GetTick() - tickstart ) > CRYP_TIMEOUT_VALUE) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES ECB decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB | CRYP_CR_ALGODIR); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CBC decryption mode using IT. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + + uint32_t tickstart = 0U; + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Get the buffer addresses and sizes */ + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if((HAL_GetTick() - tickstart ) > CRYP_TIMEOUT_VALUE) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES CBC decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR decryption mode using Interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Get the buffer addresses and sizes */ + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES CTR mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + if(hcryp->CrypOutCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI); + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + /* Call Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in AES ECB encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in AES CBC encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES ECB mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in AES ECB decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t tickstart = 0U; + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if((HAL_GetTick() - tickstart ) > CRYP_TIMEOUT_VALUE) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES ECB decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_ECB | CRYP_CR_ALGODIR); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in AES CBC encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 bytes + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t tickstart = 0U; + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES Key mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_KEY | CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Get tick */ + tickstart = HAL_GetTick(); + + while(HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY)) + { + /* Check for the Timeout */ + if((HAL_GetTick() - tickstart ) > CRYP_TIMEOUT_VALUE) + { + /* Change state */ + hcryp->State = HAL_CRYP_STATE_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_TIMEOUT; + } + } + + /* Reset the ALGOMODE bits*/ + CRYP->CR &= (uint32_t)(~CRYP_CR_ALGOMODE); + + /* Set the CRYP peripheral in AES CBC decryption mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CBC | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in AES CTR decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16 + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Check if initialization phase has already been performed */ + if(hcryp->Phase == HAL_CRYP_PHASE_READY) + { + /* Set the key */ + CRYP_SetKey(hcryp, hcryp->Init.pKey, hcryp->Init.KeySize); + + /* Set the CRYP peripheral in AES CTR mode */ + __HAL_CRYP_SET_MODE(hcryp, CRYP_CR_ALGOMODE_AES_CTR | CRYP_CR_ALGODIR); + + /* Set the Initialization Vector */ + CRYP_SetInitVector(hcryp, hcryp->Init.pInitVect, CRYP_KEYSIZE_128B); + + /* Flush FIFO */ + __HAL_CRYP_FIFO_FLUSH(hcryp); + + /* Set the phase */ + hcryp->Phase = HAL_CRYP_PHASE_PROCESS; + } + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group3 DES processing functions + * @brief processing functions. + * +@verbatim + ============================================================================== + ##### DES processing functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Encrypt plaintext using DES using ECB or CBC chaining modes + (+) Decrypt cyphertext using ECB or CBC chaining modes + [..] Three processing functions are available: + (+) Polling mode + (+) Interrupt mode + (+) DMA mode + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the CRYP peripheral in DES ECB encryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB encryption mode */ + CRYP_SetDESECBMode(hcryp, 0U); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB decryption mode */ + CRYP_SetDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES CBC encryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC encryption mode */ + CRYP_SetDESCBCMode(hcryp, 0U); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC decryption mode */ + CRYP_SetDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB encryption mode using IT. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB encryption mode */ + CRYP_SetDESECBMode(hcryp, 0U); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + /* Disable IT */ + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES CBC encryption mode using interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC encryption mode */ + CRYP_SetDESCBCMode(hcryp, 0U); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + /* Disable IT */ + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode using IT. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB decryption mode */ + CRYP_SetDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + /* Disable IT */ + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode using interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC decryption mode */ + CRYP_SetDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + /* Disable IT */ + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB encryption mode */ + CRYP_SetDESECBMode(hcryp, 0U); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in DES CBC encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC encryption mode */ + CRYP_SetDESCBCMode(hcryp, 0U); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESECB_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES ECB decryption mode */ + CRYP_SetDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in DES ECB decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_DESCBC_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in DES CBC decryption mode */ + CRYP_SetDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group4 TDES processing functions + * @brief processing functions. + * +@verbatim + ============================================================================== + ##### TDES processing functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Encrypt plaintext using TDES based on ECB or CBC chaining modes + (+) Decrypt cyphertext using TDES based on ECB or CBC chaining modes + [..] Three processing functions are available: + (+) Polling mode + (+) Interrupt mode + (+) DMA mode + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the CRYP peripheral in TDES ECB encryption mode + * then encrypt pPlainData. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB encryption mode */ + CRYP_SetTDESECBMode(hcryp, 0U); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES ECB decryption mode + * then decrypted pCypherData. The cypher data are available in pPlainData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB decryption mode */ + CRYP_SetTDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Cypher Data and Get Plain Data */ + if(CRYP_ProcessData2Words(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC encryption mode + * then encrypt pPlainData. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC encryption mode */ + CRYP_SetTDESCBCMode(hcryp, 0U); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Plain Data and Get Cypher Data */ + if(CRYP_ProcessData2Words(hcryp, pPlainData, Size, pCypherData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC decryption mode + * then decrypted pCypherData. The cypher data are available in pPlainData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Process Locked */ + __HAL_LOCK(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC decryption mode */ + CRYP_SetTDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Write Cypher Data and Get Plain Data */ + if(CRYP_ProcessData2Words(hcryp, pCypherData, Size, pPlainData, Timeout) != HAL_OK) + { + return HAL_TIMEOUT; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES ECB encryption mode using interrupt. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB encryption mode */ + CRYP_SetTDESECBMode(hcryp, 0U); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + /* Disable IT */ + __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 the Output data transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC encryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pPlainData; + hcryp->pCrypOutBuffPtr = pCypherData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC encryption mode */ + CRYP_SetTDESCBCMode(hcryp, 0U); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES ECB decryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB decryption mode */ + CRYP_SetTDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC decryption mode. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if(hcryp->State == HAL_CRYP_STATE_READY) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + hcryp->CrypInCount = Size; + hcryp->pCrypInBuffPtr = pCypherData; + hcryp->pCrypOutBuffPtr = pPlainData; + hcryp->CrypOutCount = Size; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC decryption mode */ + CRYP_SetTDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Enable Interrupts */ + __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI); + + /* Enable CRYP */ + __HAL_CRYP_ENABLE(hcryp); + + /* Return function status */ + return HAL_OK; + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI)) + { + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + /* Write the Input block in the IN FIFO */ + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DR = *(uint32_t*)(inputaddr); + + hcryp->pCrypInBuffPtr += 8U; + hcryp->CrypInCount -= 8U; + if(hcryp->CrypInCount == 0U) + { + __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI); + /* Call the Input data transfer complete callback */ + HAL_CRYP_InCpltCallback(hcryp); + } + } + else if(__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI)) + { + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + /* Read the Output block from the Output FIFO */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUT; + + hcryp->pCrypOutBuffPtr += 8U; + hcryp->CrypOutCount -= 8U; + if(hcryp->CrypOutCount == 0U) + { + __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 Input transfer complete callback */ + HAL_CRYP_OutCpltCallback(hcryp); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the CRYP peripheral in TDES ECB encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB encryption mode */ + CRYP_SetTDESECBMode(hcryp, 0U); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC encryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pPlainData; + outputaddr = (uint32_t)pCypherData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC encryption mode */ + CRYP_SetTDESCBCMode(hcryp, 0U); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in TDES ECB decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pCypherData Pointer to the cyphertext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESECB_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES ECB decryption mode */ + CRYP_SetTDESECBMode(hcryp, CRYP_CR_ALGODIR); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @brief Initializes the CRYP peripheral in TDES CBC decryption mode using DMA. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 8 + * @param pPlainData Pointer to the plaintext buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_TDESCBC_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + uint32_t inputaddr; + uint32_t outputaddr; + + if((hcryp->State == HAL_CRYP_STATE_READY) || (hcryp->Phase == HAL_CRYP_PHASE_PROCESS)) + { + /* Process Locked */ + __HAL_LOCK(hcryp); + + inputaddr = (uint32_t)pCypherData; + outputaddr = (uint32_t)pPlainData; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set CRYP peripheral in TDES CBC decryption mode */ + CRYP_SetTDESCBCMode(hcryp, CRYP_CR_ALGODIR); + + /* Set the input and output addresses and start DMA transfer */ + CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; + } + else + { + return HAL_ERROR; + } +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group5 DMA callback functions + * @brief DMA callback functions. + * +@verbatim + ============================================================================== + ##### DMA callback functions ##### + ============================================================================== + [..] This section provides DMA callback functions: + (+) DMA Input data transfer complete + (+) DMA Output data transfer complete + (+) DMA error + +@endverbatim + * @{ + */ + +/** + * @brief Input FIFO transfer completed callbacks. + * @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 callbacks. + * @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 callbacks. + * @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 + */ +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group6 CRYP IRQ handler management + * @brief CRYP IRQ handler. + * +@verbatim + ============================================================================== + ##### CRYP IRQ handler management ##### + ============================================================================== +[..] This section provides CRYP IRQ handler function. + +@endverbatim + * @{ + */ + +/** + * @brief This function handles CRYP 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) +{ + switch(CRYP->CR & CRYP_CR_ALGOMODE_DIRECTION) + { + case CRYP_CR_ALGOMODE_TDES_ECB_ENCRYPT: + HAL_CRYP_TDESECB_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_TDES_ECB_DECRYPT: + HAL_CRYP_TDESECB_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_TDES_CBC_ENCRYPT: + HAL_CRYP_TDESCBC_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_TDES_CBC_DECRYPT: + HAL_CRYP_TDESCBC_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_DES_ECB_ENCRYPT: + HAL_CRYP_DESECB_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_DES_ECB_DECRYPT: + HAL_CRYP_DESECB_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_DES_CBC_ENCRYPT: + HAL_CRYP_DESCBC_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_DES_CBC_DECRYPT: + HAL_CRYP_DESCBC_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_ECB_ENCRYPT: + HAL_CRYP_AESECB_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_ECB_DECRYPT: + HAL_CRYP_AESECB_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_CBC_ENCRYPT: + HAL_CRYP_AESCBC_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_CBC_DECRYPT: + HAL_CRYP_AESCBC_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_CTR_ENCRYPT: + HAL_CRYP_AESCTR_Encrypt_IT(hcryp, NULL, 0U, NULL); + break; + + case CRYP_CR_ALGOMODE_AES_CTR_DECRYPT: + HAL_CRYP_AESCTR_Decrypt_IT(hcryp, NULL, 0U, NULL); + break; + + default: + break; + } +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group7 Peripheral State functions + * @brief Peripheral State functions. + * +@verbatim + ============================================================================== + ##### Peripheral State functions ##### + ============================================================================== + [..] + This subsection permits to get in run-time the status of the peripheral. + +@endverbatim + * @{ + */ + +/** + * @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; +} + +/** + * @} + */ + + +/** + * @} + */ + +#endif /* CRYP */ + +#if defined (AES) + +/** @defgroup AES AES + * @brief AES HAL module driver. + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private functions --------------------------------------------------------*/ + +/** @defgroup CRYP_Private_Functions CRYP Private Functions + * @{ + */ + +static HAL_StatusTypeDef CRYP_SetInitVector(CRYP_HandleTypeDef *hcryp); +static HAL_StatusTypeDef CRYP_SetKey(CRYP_HandleTypeDef *hcryp); +static HAL_StatusTypeDef CRYP_AES_IT(CRYP_HandleTypeDef *hcryp); + +/** + * @} + */ + +/* Exported functions ---------------------------------------------------------*/ + +/** @defgroup CRYP_Exported_Functions CRYP Exported Functions + * @{ + */ + +/** @defgroup CRYP_Exported_Functions_Group1 Initialization and deinitialization functions + * @brief Initialization and Configuration functions. + * +@verbatim + ============================================================================== + ##### Initialization and deinitialization functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Initialize the CRYP according to the specified parameters + in the CRYP_InitTypeDef and creates the associated handle + (+) DeInitialize the CRYP peripheral + (+) Initialize the CRYP MSP (MCU Specific Package) + (+) De-Initialize the CRYP MSP + + [..] + (@) Specific care must be taken to format the key and the Initialization Vector IV! + + [..] If the key is defined as a 128-bit long array key[127..0] = {b127 ... b0} where + b127 is the MSB and b0 the LSB, the key must be stored in MCU memory + (+) as a sequence of words where the MSB word comes first (occupies the + lowest memory address) + (+) where each word is byte-swapped: + (++) address n+0 : 0b b103 .. b96 b111 .. b104 b119 .. b112 b127 .. b120 + (++) address n+4 : 0b b71 .. b64 b79 .. b72 b87 .. b80 b95 .. b88 + (++) address n+8 : 0b b39 .. b32 b47 .. b40 b55 .. b48 b63 .. b56 + (++) address n+C : 0b b7 .. b0 b15 .. b8 b23 .. b16 b31 .. b24 + [..] Hereafter, another illustration when considering a 128-bit long key made of 16 bytes {B15..B0}. + The 4 32-bit words that make the key must be stored as follows in MCU memory: + (+) address n+0 : 0x B12 B13 B14 B15 + (+) address n+4 : 0x B8 B9 B10 B11 + (+) address n+8 : 0x B4 B5 B6 B7 + (+) address n+C : 0x B0 B1 B2 B3 + [..] which leads to the expected setting + (+) AES_KEYR3 = 0x B15 B14 B13 B12 + (+) AES_KEYR2 = 0x B11 B10 B9 B8 + (+) AES_KEYR1 = 0x B7 B6 B5 B4 + (+) AES_KEYR0 = 0x B3 B2 B1 B0 + + [..] Same format must be applied for a 256-bit long key made of 32 bytes {B31..B0}. + The 8 32-bit words that make the key must be stored as follows in MCU memory: + (+) address n+00 : 0x B28 B29 B30 B31 + (+) address n+04 : 0x B24 B25 B26 B27 + (+) address n+08 : 0x B20 B21 B22 B23 + (+) address n+0C : 0x B16 B17 B18 B19 + (+) address n+10 : 0x B12 B13 B14 B15 + (+) address n+14 : 0x B8 B9 B10 B11 + (+) address n+18 : 0x B4 B5 B6 B7 + (+) address n+1C : 0x B0 B1 B2 B3 + [..] which leads to the expected setting + (+) AES_KEYR7 = 0x B31 B30 B29 B28 + (+) AES_KEYR6 = 0x B27 B26 B25 B24 + (+) AES_KEYR5 = 0x B23 B22 B21 B20 + (+) AES_KEYR4 = 0x B19 B18 B17 B16 + (+) AES_KEYR3 = 0x B15 B14 B13 B12 + (+) AES_KEYR2 = 0x B11 B10 B9 B8 + (+) AES_KEYR1 = 0x B7 B6 B5 B4 + (+) AES_KEYR0 = 0x B3 B2 B1 B0 + + [..] Initialization Vector IV (4 32-bit words) format must follow the same as + that of a 128-bit long key. + + [..] + +@endverbatim + * @{ + */ + +/** + * @brief Initialize the CRYP according to the specified + * parameters in the CRYP_InitTypeDef and initialize the associated handle. + * @note Specific care must be taken to format the key and the Initialization Vector IV + * stored in the MCU memory before calling HAL_CRYP_Init(). Refer to explanations + * hereabove. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_Init(CRYP_HandleTypeDef *hcryp) +{ + /* Check the CRYP handle allocation */ + if(hcryp == NULL) + { + return HAL_ERROR; + } + + /* Check the instance */ + assert_param(IS_AES_ALL_INSTANCE(hcryp->Instance)); + + /* Check the parameters */ + assert_param(IS_CRYP_KEYSIZE(hcryp->Init.KeySize)); + assert_param(IS_CRYP_DATATYPE(hcryp->Init.DataType)); + assert_param(IS_CRYP_ALGOMODE(hcryp->Init.OperatingMode)); + /* ChainingMode parameter is irrelevant when mode is set to Key derivation */ + if (hcryp->Init.OperatingMode != CRYP_ALGOMODE_KEYDERIVATION) + { + assert_param(IS_CRYP_CHAINMODE(hcryp->Init.ChainingMode)); + } + assert_param(IS_CRYP_WRITE(hcryp->Init.KeyWriteFlag)); + + /*========================================================*/ + /* Check the proper operating/chaining modes combinations */ + /*========================================================*/ + /* Check the proper chaining when the operating mode is key derivation and decryption */ +#if defined(AES_CR_NPBLB) + if ((hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION_DECRYPT) &&\ + ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CTR) \ + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) \ + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CCM_CMAC))) +#else + if ((hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION_DECRYPT) &&\ + ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CTR) \ + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) \ + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC))) +#endif + { + return HAL_ERROR; + } + /* Check that key derivation is not set in CMAC mode or CCM mode when applicable */ +#if defined(AES_CR_NPBLB) + if ((hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) + && (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CCM_CMAC)) +#else + if ((hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) + && (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) +#endif + { + return HAL_ERROR; + } + + + /*================*/ + /* Initialization */ + /*================*/ + /* Initialization start */ + 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); + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Disable the Peripheral */ + __HAL_CRYP_DISABLE(); + + /*=============================================================*/ + /* AES initialization common to all operating modes */ + /*=============================================================*/ + /* Set the Key size selection */ + MODIFY_REG(hcryp->Instance->CR, AES_CR_KEYSIZE, hcryp->Init.KeySize); + + /* Set the default CRYP phase when this parameter is not used. + Phase is updated below in case of GCM/GMAC/CMAC(/CCM) setting. */ + hcryp->Phase = HAL_CRYP_PHASE_NOT_USED; + + + + /*=============================================================*/ + /* Carry on the initialization based on the AES operating mode */ + /*=============================================================*/ + /* Key derivation */ + if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) + { + MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_ALGOMODE_KEYDERIVATION); + + /* Configure the Key registers */ + if (CRYP_SetKey(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + } + else + /* Encryption / Decryption (with or without key derivation) / authentication */ + { + /* Set data type, operating and chaining modes. + In case of GCM or GMAC, data type is forced to 0b00 */ + if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + { + MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE|AES_CR_MODE|AES_CR_CHMOD, hcryp->Init.OperatingMode|hcryp->Init.ChainingMode); + } + else + { + MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE|AES_CR_MODE|AES_CR_CHMOD, hcryp->Init.DataType|hcryp->Init.OperatingMode|hcryp->Init.ChainingMode); + } + + + /* Specify the encryption/decryption phase in case of Galois counter mode (GCM), + Galois message authentication code (GMAC), cipher message authentication code (CMAC) + or Counter with Cipher Mode (CCM) when applicable */ +#if defined(AES_CR_NPBLB) + if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CCM_CMAC)) +#else + if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) +#endif + { + MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, hcryp->Init.GCMCMACPhase); + hcryp->Phase = HAL_CRYP_PHASE_START; + } + + + /* Configure the Key registers if no need to bypass this step */ + if (hcryp->Init.KeyWriteFlag == CRYP_KEY_WRITE_ENABLE) + { + if (CRYP_SetKey(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + } + + /* If applicable, configure the Initialization Vector */ + if (hcryp->Init.ChainingMode != CRYP_CHAINMODE_AES_ECB) + { + if (CRYP_SetInitVector(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + } + } + +#if defined(AES_CR_NPBLB) + /* Clear NPBLB field */ + CLEAR_BIT(hcryp->Instance->CR, AES_CR_NPBLB); +#endif + + /* Reset CrypInCount and CrypOutCount */ + hcryp->CrypInCount = 0U; + hcryp->CrypOutCount = 0U; + + /* Reset ErrorCode field */ + hcryp->ErrorCode = HAL_CRYP_ERROR_NONE; + + /* Reset Mode suspension request */ + hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Enable the Peripheral */ + __HAL_CRYP_ENABLE(); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief DeInitialize 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; + } + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_BUSY; + + /* Set the default CRYP phase */ + hcryp->Phase = HAL_CRYP_PHASE_READY; + + /* Reset CrypInCount and CrypOutCount */ + hcryp->CrypInCount = 0U; + hcryp->CrypOutCount = 0U; + + /* Disable the CRYP Peripheral Clock */ + __HAL_CRYP_DISABLE(); + + /* DeInit the low level hardware: CLOCK, NVIC.*/ + HAL_CRYP_MspDeInit(hcryp); + + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_RESET; + + /* Release Lock */ + __HAL_UNLOCK(hcryp); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initialize 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 can be implemented in the user file + */ +} + +/** + * @brief DeInitialize 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 can be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group2 AES processing functions + * @brief Processing functions. + * +@verbatim + ============================================================================== + ##### AES processing functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Encrypt plaintext using AES algorithm in different chaining modes + (+) Decrypt cyphertext using AES algorithm in different chaining modes + [..] Three processing functions are available: + (+) Polling mode + (+) Interrupt mode + (+) DMA mode + +@endverbatim + * @{ + */ + + +/** + * @brief Encrypt pPlainData in AES ECB encryption mode. The cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pPlainData, Size, pCypherData, Timeout); +} + + +/** + * @brief Encrypt pPlainData in AES CBC encryption mode with key derivation. The cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pPlainData, Size, pCypherData, Timeout); +} + + +/** + * @brief Encrypt pPlainData in AES CTR encryption mode. The cypher data are available in pCypherData + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pPlainData, Size, pCypherData, Timeout); +} + +/** + * @brief Decrypt pCypherData in AES ECB decryption mode with key derivation, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pCypherData, Size, pPlainData, Timeout); +} + +/** + * @brief Decrypt pCypherData in AES ECB decryption mode with key derivation, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pCypherData, Size, pPlainData, Timeout); +} + +/** + * @brief Decrypt pCypherData in AES CTR decryption mode, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @param Timeout Specify Timeout value + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData, uint32_t Timeout) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES(hcryp, pCypherData, Size, pPlainData, Timeout); +} + +/** + * @brief Encrypt pPlainData in AES ECB encryption mode using Interrupt, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pPlainData, Size, pCypherData); +} + +/** + * @brief Encrypt pPlainData in AES CBC encryption mode using Interrupt, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pPlainData, Size, pCypherData); +} + + +/** + * @brief Encrypt pPlainData in AES CTR encryption mode using Interrupt, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pPlainData, Size, pCypherData); +} + +/** + * @brief Decrypt pCypherData in AES ECB decryption mode using Interrupt, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer. + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pCypherData, Size, pPlainData); +} + +/** + * @brief Decrypt pCypherData in AES CBC decryption mode using Interrupt, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pCypherData, Size, pPlainData); +} + +/** + * @brief Decrypt pCypherData in AES CTR decryption mode using Interrupt, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_IT() API instead (usage recommended). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_IT(hcryp, pCypherData, Size, pPlainData); +} + +/** + * @brief Encrypt pPlainData in AES ECB encryption mode using DMA, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pPlainData, Size, pCypherData); +} + + + +/** + * @brief Encrypt pPlainData in AES CBC encryption mode using DMA, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pPlainData, Size, pCypherData); +} + +/** + * @brief Encrypt pPlainData in AES CTR encryption mode using DMA, + * the cypher data are available in pCypherData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pPlainData Pointer to the plaintext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pCypherData Pointer to the cyphertext buffer. + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pPlainData, Size, pCypherData); +} + +/** + * @brief Decrypt pCypherData in AES ECB decryption mode using DMA, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_ECB; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pCypherData, Size, pPlainData); +} + +/** + * @brief Decrypt pCypherData in AES CBC decryption mode using DMA, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CBC; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pCypherData, Size, pPlainData); +} + +/** + * @brief Decrypt pCypherData in AES CTR decryption mode using DMA, + * the decyphered data are available in pPlainData. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @param pCypherData Pointer to the cyphertext buffer + * @param Size Length of the plaintext buffer in bytes, must be a multiple of 16. + * @param pPlainData Pointer to the plaintext buffer + * @note This API is provided only to maintain compatibility with legacy software. Users should directly + * resort to generic HAL_CRYPEx_AES_DMA() API instead (usage recommended). + * @note pPlainData and pCypherData buffers must be 32-bit aligned to ensure a correct DMA transfer to and from the IP. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + /* Re-initialize AES IP with proper parameters */ + if (HAL_CRYP_DeInit(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + hcryp->Init.OperatingMode = CRYP_ALGOMODE_DECRYPT; + hcryp->Init.ChainingMode = CRYP_CHAINMODE_AES_CTR; + hcryp->Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE; + if (HAL_CRYP_Init(hcryp) != HAL_OK) + { + return HAL_ERROR; + } + + return HAL_CRYPEx_AES_DMA(hcryp, pCypherData, Size, pPlainData); +} + + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group3 Callback functions + * @brief Callback functions. + * +@verbatim + ============================================================================== + ##### Callback functions ##### + ============================================================================== + [..] This section provides Interruption and DMA callback functions: + (+) DMA Input data transfer complete + (+) DMA Output data transfer complete + (+) DMA or Interrupt error + +@endverbatim + * @{ + */ + +/** + * @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 can be implemented in the user file + */ +} + +/** + * @brief Input DMA transfer complete 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 can be implemented in the user file + */ +} + +/** + * @brief Output DMA transfer complete 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 can be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group4 CRYP IRQ handler + * @brief AES IRQ handler. + * +@verbatim + ============================================================================== + ##### AES IRQ handler management ##### + ============================================================================== +[..] This section provides AES IRQ handler function. + +@endverbatim + * @{ + */ + +/** + * @brief Handle AES 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) +{ + /* Check if error occurred */ + if (__HAL_CRYP_GET_IT_SOURCE(CRYP_IT_ERRIE) != RESET) + { + /* If Write Error occurred */ + if (__HAL_CRYP_GET_FLAG(CRYP_IT_WRERR) != RESET) + { + hcryp->ErrorCode |= HAL_CRYP_WRITE_ERROR; + hcryp->State = HAL_CRYP_STATE_ERROR; + } + /* If Read Error occurred */ + if (__HAL_CRYP_GET_FLAG(CRYP_IT_RDERR) != RESET) + { + hcryp->ErrorCode |= HAL_CRYP_READ_ERROR; + hcryp->State = HAL_CRYP_STATE_ERROR; + } + + /* If an error has been reported */ + if (hcryp->State == HAL_CRYP_STATE_ERROR) + { + /* Disable Error and Computation Complete Interrupts */ + __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); + /* Clear all Interrupt flags */ + __HAL_CRYP_CLEAR_FLAG(CRYP_ERR_CLEAR|CRYP_CCF_CLEAR); + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + HAL_CRYP_ErrorCallback(hcryp); + + return; + } + } + + /* Check if computation complete interrupt is enabled + and if the computation complete flag is raised */ + if((__HAL_CRYP_GET_FLAG(CRYP_IT_CCF) != RESET) && (__HAL_CRYP_GET_IT_SOURCE(CRYP_IT_CCFIE) != RESET)) + { +#if defined(AES_CR_NPBLB) + if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CCM_CMAC)) +#else + if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) +#endif + { + /* To ensure proper suspension requests management, CCF flag + is reset in CRYP_AES_Auth_IT() according to the current + phase under handling */ + CRYP_AES_Auth_IT(hcryp); + } + else + { + /* Clear Computation Complete Flag */ + __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); + CRYP_AES_IT(hcryp); + } + } +} + +/** + * @} + */ + +/** @defgroup CRYP_Exported_Functions_Group5 Peripheral State functions + * @brief Peripheral State functions. + * +@verbatim + ============================================================================== + ##### Peripheral State functions ##### + ============================================================================== + [..] + This subsection permits to get in run-time the status of the peripheral. + +@endverbatim + * @{ + */ + +/** + * @brief Return the CRYP handle 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 CRYP handle state */ + return hcryp->State; +} + +/** + * @brief Return the CRYP peripheral error. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @note The returned error is a bit-map combination of possible errors + * @retval Error bit-map + */ +uint32_t HAL_CRYP_GetError(CRYP_HandleTypeDef *hcryp) +{ + return hcryp->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup CRYP_Private_Functions + * @{ + */ + + +/** + * @brief Write the Key in KeyRx registers. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @retval None + */ +static HAL_StatusTypeDef CRYP_SetKey(CRYP_HandleTypeDef *hcryp) +{ + uint32_t keyaddr = 0x0U; + + if ((uint32_t)(hcryp->Init.pKey == NULL)) + { + return HAL_ERROR; + } + + + keyaddr = (uint32_t)(hcryp->Init.pKey); + + if (hcryp->Init.KeySize == CRYP_KEYSIZE_256B) + { + hcryp->Instance->KEYR7 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR6 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR5 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR4 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + } + + hcryp->Instance->KEYR3 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR2 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR1 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4U; + hcryp->Instance->KEYR0 = __REV(*(uint32_t*)(keyaddr)); + + return HAL_OK; +} + +/** + * @brief Write the InitVector/InitCounter in IVRx registers. + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module + * @retval None + */ +static HAL_StatusTypeDef CRYP_SetInitVector(CRYP_HandleTypeDef *hcryp) +{ + uint32_t ivaddr = 0x0U; + +#if !defined(AES_CR_NPBLB) + if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) + { + hcryp->Instance->IVR3 = 0U; + hcryp->Instance->IVR2 = 0U; + hcryp->Instance->IVR1 = 0U; + hcryp->Instance->IVR0 = 0U; + } + else +#endif + { + if (hcryp->Init.pInitVect == NULL) + { + return HAL_ERROR; + } + + ivaddr = (uint32_t)(hcryp->Init.pInitVect); + + hcryp->Instance->IVR3 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IVR2 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IVR1 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4U; + hcryp->Instance->IVR0 = __REV(*(uint32_t*)(ivaddr)); + } + return HAL_OK; +} + + + +/** + * @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_CRYPEx_AES_IT(). + * @param hcryp pointer to a CRYP_HandleTypeDef structure that contains + * the configuration information for CRYP module. + * @retval HAL status + */ +static HAL_StatusTypeDef CRYP_AES_IT(CRYP_HandleTypeDef *hcryp) +{ + uint32_t inputaddr = 0U; + uint32_t outputaddr = 0U; + + if(hcryp->State == HAL_CRYP_STATE_BUSY) + { + if (hcryp->Init.OperatingMode != CRYP_ALGOMODE_KEYDERIVATION) + { + /* Get the output data address */ + outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; + + /* Read the last available output block from the Data Output Register */ + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + outputaddr+=4U; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + hcryp->pCrypOutBuffPtr += 16U; + hcryp->CrypOutCount -= 16U; + + } + else + { + /* Read the derived key from the Key registers */ + if (hcryp->Init.KeySize == CRYP_KEYSIZE_256B) + { + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR7); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR6); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR5); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR4); + outputaddr+=4U; + } + + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR3); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR2); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR1); + outputaddr+=4U; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR0); + } + + /* In case of ciphering or deciphering, check if all output text has been retrieved; + In case of key derivation, stop right there */ + if ((hcryp->CrypOutCount == 0U) || (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION)) + { + /* Disable Computation Complete Flag and Errors Interrupts */ + __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + /* Call computation complete callback */ + HAL_CRYPEx_ComputationCpltCallback(hcryp); + + return HAL_OK; + } + /* If suspension flag has been raised, suspend processing */ + else if (hcryp->SuspendRequest == HAL_CRYP_SUSPEND) + { + /* reset ModeSuspend */ + hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; + + /* Disable Computation Complete Flag and Errors Interrupts */ + __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); + /* Change the CRYP state */ + hcryp->State = HAL_CRYP_STATE_SUSPENDED; + + /* Process Unlocked */ + __HAL_UNLOCK(hcryp); + + return HAL_OK; + } + else /* Process the rest of input data */ + { + /* Get the Intput data address */ + inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; + + /* Increment/decrement instance pointer/counter */ + hcryp->pCrypInBuffPtr += 16U; + hcryp->CrypInCount -= 16U; + + /* Write the next input block in the Data Input register */ + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4U; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + + return HAL_OK; + } + } + else + { + return HAL_BUSY; + } +} + +/** + * @} + */ + +#endif /* AES */ + +#endif /* HAL_CRYP_MODULE_ENABLED */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/