fix LPC812 PWM
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Diff: targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_cryp.c
- Revision:
- 0:9b334a45a8ff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_cryp.c Thu Oct 01 15:25:22 2015 +0300 @@ -0,0 +1,1199 @@ +/** + ****************************************************************************** + * @file stm32l4xx_hal_cryp.c + * @author MCD Application Team + * @version V1.0.0 + * @date 26-June-2015 + * @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 + * + Processing functions using polling mode + * + Processing functions using interrupt mode + * + Processing functions using DMA mode + * + 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_AES_CLK_ENABLE() + (++) In case of using interrupts (e.g. HAL_CRYP_AES_IT()) + (+++) Configure the CRYP interrupt priority using HAL_NVIC_SetPriority() + (+++) Enable the AES IRQ handler using HAL_NVIC_EnableIRQ() + (+++) In AES IRQ handler, call HAL_CRYP_IRQHandler() + (++) In case of using DMA to control data transfer (e.g. HAL_CRYPEx_AES_DMA()) + (+++) Enable the DMA2 interface clock using + __HAL_RCC_DMA2_CLK_ENABLE() + (+++) Configure and enable two DMA channels one for managing data transfer from + memory to peripheral (input channel) and another channel for managing data + transfer from peripheral to memory (output channel) + (+++) 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 channels. The output channel should have higher + priority than the input channel. + Resort to HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ() + + (#)Initialize the CRYP HAL using HAL_CRYP_Init(). This function configures: + (++) The data type: 1-bit, 8-bit, 16-bit and 32-bit + (++) The AES operating mode (encryption, key derivation and/or decryption) + (++) The AES chaining mode (ECB, CBC, CTR, GCM, GMAC, CMAC) + (++) The encryption/decryption key if so required + (++) The initialization vector or nonce if applicable (not used in 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 + (++) Interrupt mode: encryption and decryption APIs are not blocking functions + i.e. they process the data under interrupt + (++) DMA mode: encryption and decryption APIs are not blocking functions + i.e. the data transfer is ensured by DMA + + (#)Call HAL_CRYP_DeInit() to deinitialize the CRYP peripheral. + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 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 "stm32l4xx_hal.h" + +#ifdef HAL_CRYP_MODULE_ENABLED + +#if defined(STM32L485xx) || defined(STM32L486xx) + +/** @addtogroup STM32L4xx_HAL_Driver + * @{ + */ + +/** @defgroup CRYP CRYP + * @brief CRYP 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_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) + (+) DeInitialize the CRC MSP + +@endverbatim + * @{ + */ + +/** + * @brief Initialize the CRYP according to the specified + * parameters in the CRYP_InitTypeDef and initialize 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 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 ((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))) + { + return HAL_ERROR; + } + /* Check that key derivation is not set in CMAC mode */ + if ((hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) + && (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) + { + 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 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) or cipher message authentication code (CMAC) */ + if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) + { + 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; + } + } + } + + /* Reset CrypInCount and CrypOutCount */ + hcryp->CrypInCount = 0; + hcryp->CrypOutCount = 0; + + /* 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 = 0; + hcryp->CrypOutCount = 0; + + /* 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) +{ + /* 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) +{ + /* 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_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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pPlainData, uint16_t Size, uint8_t *pCypherData) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESECB_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCBC_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + 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). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CRYP_AESCTR_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pCypherData, uint16_t Size, uint8_t *pPlainData) +{ + return HAL_CRYPEx_AES_DMA(hcryp, pCypherData, Size, pPlainData); +} + + +/** + * @} + */ + +/** @defgroup CRYP_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) +{ + /* 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) +{ + /* 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) +{ + /* 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_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 ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) + || (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC)) + { + /* 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_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 HAL status + */ +static HAL_StatusTypeDef CRYP_SetKey(CRYP_HandleTypeDef *hcryp) +{ + uint32_t keyaddr = 0x0; + + if (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+=4; + hcryp->Instance->KEYR6 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + hcryp->Instance->KEYR5 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + hcryp->Instance->KEYR4 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + } + + hcryp->Instance->KEYR3 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + hcryp->Instance->KEYR2 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + hcryp->Instance->KEYR1 = __REV(*(uint32_t*)(keyaddr)); + keyaddr+=4; + 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 HAL status + */ +static HAL_StatusTypeDef CRYP_SetInitVector(CRYP_HandleTypeDef *hcryp) +{ + uint32_t ivaddr = 0x0; + + if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) + { + hcryp->Instance->IVR3 = 0; + hcryp->Instance->IVR2 = 0; + hcryp->Instance->IVR1 = 0; + hcryp->Instance->IVR0 = 0; + } + else + { + if (hcryp->Init.pInitVect == NULL) + { + return HAL_ERROR; + } + + ivaddr = (uint32_t)(hcryp->Init.pInitVect); + + hcryp->Instance->IVR3 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4; + hcryp->Instance->IVR2 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4; + hcryp->Instance->IVR1 = __REV(*(uint32_t*)(ivaddr)); + ivaddr+=4; + 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 = 0; + uint32_t outputaddr = 0; + + 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+=4; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + outputaddr+=4; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + outputaddr+=4; + *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; + hcryp->pCrypOutBuffPtr += 16; + hcryp->CrypOutCount -= 16; + + } + else + { + /* Read the derived key from the Key registers */ + if (hcryp->Init.KeySize == CRYP_KEYSIZE_256B) + { + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR7); + outputaddr+=4; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR6); + outputaddr+=4; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR5); + outputaddr+=4; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR4); + outputaddr+=4; + } + + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR3); + outputaddr+=4; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR2); + outputaddr+=4; + *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR1); + outputaddr+=4; + *(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 == 0) || (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 += 16; + hcryp->CrypInCount -= 16; + + /* Write the next input block in the Data Input register */ + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + inputaddr+=4; + hcryp->Instance->DINR = *(uint32_t*)(inputaddr); + + return HAL_OK; + } + } + else + { + return HAL_BUSY; + } +} + + + + +/** + * @} + */ + + + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined(STM32L485xx) || defined(STM32L486xx) */ + +#endif /* HAL_CRYP_MODULE_ENABLED */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/