fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_cryp_ex.c@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 0:9b334a45a8ff
PWM Fix:Duty 0%??H???????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l4xx_hal_cryp_ex.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.0.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 26-June-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief CRYPEx HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the extended |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Cryptography (CRYP) peripheral. |
bogdanm | 0:9b334a45a8ff | 10 | * |
bogdanm | 0:9b334a45a8ff | 11 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 12 | * @attention |
bogdanm | 0:9b334a45a8ff | 13 | * |
bogdanm | 0:9b334a45a8ff | 14 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 15 | * |
bogdanm | 0:9b334a45a8ff | 16 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 17 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 18 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 19 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 20 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 21 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 22 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 23 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 24 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 25 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 26 | * |
bogdanm | 0:9b334a45a8ff | 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 28 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 30 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 33 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 34 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 35 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 36 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 37 | * |
bogdanm | 0:9b334a45a8ff | 38 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 39 | */ |
bogdanm | 0:9b334a45a8ff | 40 | |
bogdanm | 0:9b334a45a8ff | 41 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 42 | #include "stm32l4xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 43 | |
bogdanm | 0:9b334a45a8ff | 44 | #ifdef HAL_CRYP_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 45 | |
bogdanm | 0:9b334a45a8ff | 46 | #if defined(STM32L485xx) || defined(STM32L486xx) |
bogdanm | 0:9b334a45a8ff | 47 | |
bogdanm | 0:9b334a45a8ff | 48 | /** @addtogroup STM32L4xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 49 | * @{ |
bogdanm | 0:9b334a45a8ff | 50 | */ |
bogdanm | 0:9b334a45a8ff | 51 | |
bogdanm | 0:9b334a45a8ff | 52 | /** @defgroup CRYPEx CRYPEx |
bogdanm | 0:9b334a45a8ff | 53 | * @brief CRYP Extended HAL module driver |
bogdanm | 0:9b334a45a8ff | 54 | * @{ |
bogdanm | 0:9b334a45a8ff | 55 | */ |
bogdanm | 0:9b334a45a8ff | 56 | |
bogdanm | 0:9b334a45a8ff | 57 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 58 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 59 | /** @defgroup CRYPEx_Private_Constants CRYPEx Private Constants |
bogdanm | 0:9b334a45a8ff | 60 | * @{ |
bogdanm | 0:9b334a45a8ff | 61 | */ |
bogdanm | 0:9b334a45a8ff | 62 | #define CRYP_CCF_TIMEOUTVALUE 22000 /*!< CCF flag raising time-out value */ |
bogdanm | 0:9b334a45a8ff | 63 | #define CRYP_BUSY_TIMEOUTVALUE 22000 /*!< BUSY flag reset time-out value */ |
bogdanm | 0:9b334a45a8ff | 64 | /** |
bogdanm | 0:9b334a45a8ff | 65 | * @} |
bogdanm | 0:9b334a45a8ff | 66 | */ |
bogdanm | 0:9b334a45a8ff | 67 | |
bogdanm | 0:9b334a45a8ff | 68 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 69 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 70 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 71 | /** @defgroup CRYPEx_Private_Functions CRYPEx Private Functions |
bogdanm | 0:9b334a45a8ff | 72 | * @{ |
bogdanm | 0:9b334a45a8ff | 73 | */ |
bogdanm | 0:9b334a45a8ff | 74 | static HAL_StatusTypeDef CRYP_ProcessData(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 75 | static HAL_StatusTypeDef CRYP_ReadKey(CRYP_HandleTypeDef *hcryp, uint8_t* Output, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 76 | static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr); |
bogdanm | 0:9b334a45a8ff | 77 | static void CRYP_GCMCMAC_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr); |
bogdanm | 0:9b334a45a8ff | 78 | static void CRYP_GCMCMAC_DMAInCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 79 | static void CRYP_GCMCMAC_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 80 | static void CRYP_GCMCMAC_DMAOutCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 81 | static HAL_StatusTypeDef CRYP_WaitOnCCFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 82 | static HAL_StatusTypeDef CRYP_WaitOnBusyFlagReset(CRYP_HandleTypeDef *hcryp, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 83 | static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 84 | static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 85 | static void CRYP_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 86 | /** |
bogdanm | 0:9b334a45a8ff | 87 | * @} |
bogdanm | 0:9b334a45a8ff | 88 | */ |
bogdanm | 0:9b334a45a8ff | 89 | |
bogdanm | 0:9b334a45a8ff | 90 | /* Exported functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 91 | |
bogdanm | 0:9b334a45a8ff | 92 | /** @defgroup CRYPEx_Exported_Functions CRYPEx Exported Functions |
bogdanm | 0:9b334a45a8ff | 93 | * @{ |
bogdanm | 0:9b334a45a8ff | 94 | */ |
bogdanm | 0:9b334a45a8ff | 95 | |
bogdanm | 0:9b334a45a8ff | 96 | |
bogdanm | 0:9b334a45a8ff | 97 | /** @defgroup CRYPEx_Exported_Functions_Group1 Extended callback function |
bogdanm | 0:9b334a45a8ff | 98 | * @brief Extended callback functions. |
bogdanm | 0:9b334a45a8ff | 99 | * |
bogdanm | 0:9b334a45a8ff | 100 | @verbatim |
bogdanm | 0:9b334a45a8ff | 101 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 102 | ##### Extended callback functions ##### |
bogdanm | 0:9b334a45a8ff | 103 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 104 | [..] This section provides callback function: |
bogdanm | 0:9b334a45a8ff | 105 | (+) Computation completed. |
bogdanm | 0:9b334a45a8ff | 106 | |
bogdanm | 0:9b334a45a8ff | 107 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 108 | * @{ |
bogdanm | 0:9b334a45a8ff | 109 | */ |
bogdanm | 0:9b334a45a8ff | 110 | |
bogdanm | 0:9b334a45a8ff | 111 | |
bogdanm | 0:9b334a45a8ff | 112 | /** |
bogdanm | 0:9b334a45a8ff | 113 | * @brief Computation completed callbacks. |
bogdanm | 0:9b334a45a8ff | 114 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 115 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 116 | * @retval None |
bogdanm | 0:9b334a45a8ff | 117 | */ |
bogdanm | 0:9b334a45a8ff | 118 | __weak void HAL_CRYPEx_ComputationCpltCallback(CRYP_HandleTypeDef *hcryp) |
bogdanm | 0:9b334a45a8ff | 119 | { |
bogdanm | 0:9b334a45a8ff | 120 | /* NOTE : This function should not be modified; when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 121 | the HAL_CRYP_ErrorCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 122 | */ |
bogdanm | 0:9b334a45a8ff | 123 | } |
bogdanm | 0:9b334a45a8ff | 124 | |
bogdanm | 0:9b334a45a8ff | 125 | /** |
bogdanm | 0:9b334a45a8ff | 126 | * @} |
bogdanm | 0:9b334a45a8ff | 127 | */ |
bogdanm | 0:9b334a45a8ff | 128 | |
bogdanm | 0:9b334a45a8ff | 129 | /** @defgroup CRYPEx_Exported_Functions_Group2 AES extended processing functions |
bogdanm | 0:9b334a45a8ff | 130 | * @brief Extended processing functions. |
bogdanm | 0:9b334a45a8ff | 131 | * |
bogdanm | 0:9b334a45a8ff | 132 | @verbatim |
bogdanm | 0:9b334a45a8ff | 133 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 134 | ##### AES extended processing functions ##### |
bogdanm | 0:9b334a45a8ff | 135 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 136 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 137 | (+) Encrypt plaintext or decrypt cipher text using AES algorithm in different chaining modes. |
bogdanm | 0:9b334a45a8ff | 138 | Functions are generic (handles ECB, CBC and CTR and all modes) and are only differentiated |
bogdanm | 0:9b334a45a8ff | 139 | based on the processing type. Three processing types are available: |
bogdanm | 0:9b334a45a8ff | 140 | (++) Polling mode |
bogdanm | 0:9b334a45a8ff | 141 | (++) Interrupt mode |
bogdanm | 0:9b334a45a8ff | 142 | (++) DMA mode |
bogdanm | 0:9b334a45a8ff | 143 | (+) Generate and authentication tag in addition to encrypt/decrypt a plain/cipher text using AES |
bogdanm | 0:9b334a45a8ff | 144 | algorithm in different chaining modes. |
bogdanm | 0:9b334a45a8ff | 145 | Functions are generic (handles GCM, GMAC and CMAC) and process only one phase so that steps |
bogdanm | 0:9b334a45a8ff | 146 | can be skipped if so required. Functions are only differentiated based on the processing type. |
bogdanm | 0:9b334a45a8ff | 147 | Three processing types are available: |
bogdanm | 0:9b334a45a8ff | 148 | (++) Polling mode |
bogdanm | 0:9b334a45a8ff | 149 | (++) Interrupt mode |
bogdanm | 0:9b334a45a8ff | 150 | (++) DMA mode |
bogdanm | 0:9b334a45a8ff | 151 | |
bogdanm | 0:9b334a45a8ff | 152 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 153 | * @{ |
bogdanm | 0:9b334a45a8ff | 154 | */ |
bogdanm | 0:9b334a45a8ff | 155 | |
bogdanm | 0:9b334a45a8ff | 156 | /** |
bogdanm | 0:9b334a45a8ff | 157 | * @brief Carry out in polling mode the ciphering or deciphering operation according to |
bogdanm | 0:9b334a45a8ff | 158 | * hcryp->Init structure fields, all operating modes (encryption, key derivation and/or decryption) and |
bogdanm | 0:9b334a45a8ff | 159 | * chaining modes ECB, CBC and CTR are managed by this function in polling mode. |
bogdanm | 0:9b334a45a8ff | 160 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 161 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 162 | * @param pInputData: Pointer to the plain text in case of encryption or cipher text in case of decryption |
bogdanm | 0:9b334a45a8ff | 163 | * or key derivation+decryption. |
bogdanm | 0:9b334a45a8ff | 164 | * Parameter is meaningless in case of key derivation. |
bogdanm | 0:9b334a45a8ff | 165 | * @param Size: Length of the input data buffer in bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 166 | * Parameter is meaningless in case of key derivation. |
bogdanm | 0:9b334a45a8ff | 167 | * @param pOutputData: Pointer to the cipher text in case of encryption or plain text in case of |
bogdanm | 0:9b334a45a8ff | 168 | * decryption/key derivation+decryption, or pointer to the derivative keys in |
bogdanm | 0:9b334a45a8ff | 169 | * case of key derivation only. |
bogdanm | 0:9b334a45a8ff | 170 | * @param Timeout: Specify Timeout value |
bogdanm | 0:9b334a45a8ff | 171 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 172 | */ |
bogdanm | 0:9b334a45a8ff | 173 | HAL_StatusTypeDef HAL_CRYPEx_AES(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint16_t Size, uint8_t *pOutputData, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 174 | { |
bogdanm | 0:9b334a45a8ff | 175 | |
bogdanm | 0:9b334a45a8ff | 176 | if (hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 177 | { |
bogdanm | 0:9b334a45a8ff | 178 | /* Check parameters setting */ |
bogdanm | 0:9b334a45a8ff | 179 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 180 | { |
bogdanm | 0:9b334a45a8ff | 181 | if (pOutputData == NULL) |
bogdanm | 0:9b334a45a8ff | 182 | { |
bogdanm | 0:9b334a45a8ff | 183 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 184 | } |
bogdanm | 0:9b334a45a8ff | 185 | } |
bogdanm | 0:9b334a45a8ff | 186 | else |
bogdanm | 0:9b334a45a8ff | 187 | { |
bogdanm | 0:9b334a45a8ff | 188 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 189 | { |
bogdanm | 0:9b334a45a8ff | 190 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 191 | } |
bogdanm | 0:9b334a45a8ff | 192 | } |
bogdanm | 0:9b334a45a8ff | 193 | |
bogdanm | 0:9b334a45a8ff | 194 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 195 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 196 | |
bogdanm | 0:9b334a45a8ff | 197 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 198 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 199 | |
bogdanm | 0:9b334a45a8ff | 200 | /* Call CRYP_ReadKey() API if the operating mode is set to |
bogdanm | 0:9b334a45a8ff | 201 | key derivation, CRYP_ProcessData() otherwise */ |
bogdanm | 0:9b334a45a8ff | 202 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 203 | { |
bogdanm | 0:9b334a45a8ff | 204 | if(CRYP_ReadKey(hcryp, pOutputData, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 205 | { |
bogdanm | 0:9b334a45a8ff | 206 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 207 | } |
bogdanm | 0:9b334a45a8ff | 208 | } |
bogdanm | 0:9b334a45a8ff | 209 | else |
bogdanm | 0:9b334a45a8ff | 210 | { |
bogdanm | 0:9b334a45a8ff | 211 | if(CRYP_ProcessData(hcryp, pInputData, Size, pOutputData, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 212 | { |
bogdanm | 0:9b334a45a8ff | 213 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 214 | } |
bogdanm | 0:9b334a45a8ff | 215 | } |
bogdanm | 0:9b334a45a8ff | 216 | |
bogdanm | 0:9b334a45a8ff | 217 | /* If the state has not been set to SUSPENDED, set it to |
bogdanm | 0:9b334a45a8ff | 218 | READY, otherwise keep it as it is */ |
bogdanm | 0:9b334a45a8ff | 219 | if (hcryp->State != HAL_CRYP_STATE_SUSPENDED) |
bogdanm | 0:9b334a45a8ff | 220 | { |
bogdanm | 0:9b334a45a8ff | 221 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 222 | } |
bogdanm | 0:9b334a45a8ff | 223 | |
bogdanm | 0:9b334a45a8ff | 224 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 225 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 226 | |
bogdanm | 0:9b334a45a8ff | 227 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 228 | } |
bogdanm | 0:9b334a45a8ff | 229 | else |
bogdanm | 0:9b334a45a8ff | 230 | { |
bogdanm | 0:9b334a45a8ff | 231 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 232 | } |
bogdanm | 0:9b334a45a8ff | 233 | } |
bogdanm | 0:9b334a45a8ff | 234 | |
bogdanm | 0:9b334a45a8ff | 235 | |
bogdanm | 0:9b334a45a8ff | 236 | |
bogdanm | 0:9b334a45a8ff | 237 | /** |
bogdanm | 0:9b334a45a8ff | 238 | * @brief Carry out in interrupt mode the ciphering or deciphering operation according to |
bogdanm | 0:9b334a45a8ff | 239 | * hcryp->Init structure fields, all operating modes (encryption, key derivation and/or decryption) and |
bogdanm | 0:9b334a45a8ff | 240 | * chaining modes ECB, CBC and CTR are managed by this function in interrupt mode. |
bogdanm | 0:9b334a45a8ff | 241 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 242 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 243 | * @param pInputData: Pointer to the plain text in case of encryption or cipher text in case of decryption |
bogdanm | 0:9b334a45a8ff | 244 | * or key derivation+decryption. |
bogdanm | 0:9b334a45a8ff | 245 | * Parameter is meaningless in case of key derivation. |
bogdanm | 0:9b334a45a8ff | 246 | * @param Size: Length of the input data buffer in bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 247 | * Parameter is meaningless in case of key derivation. |
bogdanm | 0:9b334a45a8ff | 248 | * @param pOutputData: Pointer to the cipher text in case of encryption or plain text in case of |
bogdanm | 0:9b334a45a8ff | 249 | * decryption/key derivation+decryption, or pointer to the derivative keys in |
bogdanm | 0:9b334a45a8ff | 250 | * case of key derivation only. |
bogdanm | 0:9b334a45a8ff | 251 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 252 | */ |
bogdanm | 0:9b334a45a8ff | 253 | HAL_StatusTypeDef HAL_CRYPEx_AES_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint16_t Size, uint8_t *pOutputData) |
bogdanm | 0:9b334a45a8ff | 254 | { |
bogdanm | 0:9b334a45a8ff | 255 | uint32_t inputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 256 | |
bogdanm | 0:9b334a45a8ff | 257 | if(hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 258 | { |
bogdanm | 0:9b334a45a8ff | 259 | /* Check parameters setting */ |
bogdanm | 0:9b334a45a8ff | 260 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 261 | { |
bogdanm | 0:9b334a45a8ff | 262 | if (pOutputData == NULL) |
bogdanm | 0:9b334a45a8ff | 263 | { |
bogdanm | 0:9b334a45a8ff | 264 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 265 | } |
bogdanm | 0:9b334a45a8ff | 266 | } |
bogdanm | 0:9b334a45a8ff | 267 | else |
bogdanm | 0:9b334a45a8ff | 268 | { |
bogdanm | 0:9b334a45a8ff | 269 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 270 | { |
bogdanm | 0:9b334a45a8ff | 271 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 272 | } |
bogdanm | 0:9b334a45a8ff | 273 | } |
bogdanm | 0:9b334a45a8ff | 274 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 275 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 276 | |
bogdanm | 0:9b334a45a8ff | 277 | /* If operating mode is not limited to key derivation only, |
bogdanm | 0:9b334a45a8ff | 278 | get the buffers addresses and sizes */ |
bogdanm | 0:9b334a45a8ff | 279 | if (hcryp->Init.OperatingMode != CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 280 | { |
bogdanm | 0:9b334a45a8ff | 281 | |
bogdanm | 0:9b334a45a8ff | 282 | hcryp->CrypInCount = Size; |
bogdanm | 0:9b334a45a8ff | 283 | hcryp->pCrypInBuffPtr = pInputData; |
bogdanm | 0:9b334a45a8ff | 284 | hcryp->pCrypOutBuffPtr = pOutputData; |
bogdanm | 0:9b334a45a8ff | 285 | hcryp->CrypOutCount = Size; |
bogdanm | 0:9b334a45a8ff | 286 | } |
bogdanm | 0:9b334a45a8ff | 287 | |
bogdanm | 0:9b334a45a8ff | 288 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 289 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 290 | |
bogdanm | 0:9b334a45a8ff | 291 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 292 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 293 | |
bogdanm | 0:9b334a45a8ff | 294 | /* Enable Computation Complete Flag and Error Interrupts */ |
bogdanm | 0:9b334a45a8ff | 295 | __HAL_CRYP_ENABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 296 | |
bogdanm | 0:9b334a45a8ff | 297 | |
bogdanm | 0:9b334a45a8ff | 298 | /* If operating mode is key derivation only, the input data have |
bogdanm | 0:9b334a45a8ff | 299 | already been entered during the initialization process. For |
bogdanm | 0:9b334a45a8ff | 300 | the other operating modes, they are fed to the CRYP hardware |
bogdanm | 0:9b334a45a8ff | 301 | block at this point. */ |
bogdanm | 0:9b334a45a8ff | 302 | if (hcryp->Init.OperatingMode != CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 303 | { |
bogdanm | 0:9b334a45a8ff | 304 | /* Initiate the processing under interrupt in entering |
bogdanm | 0:9b334a45a8ff | 305 | the first input data */ |
bogdanm | 0:9b334a45a8ff | 306 | inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; |
bogdanm | 0:9b334a45a8ff | 307 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 308 | hcryp->pCrypInBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 309 | hcryp->CrypInCount -= 16; |
bogdanm | 0:9b334a45a8ff | 310 | /* Write the first input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 311 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 312 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 313 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 314 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 315 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 316 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 317 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 318 | } |
bogdanm | 0:9b334a45a8ff | 319 | |
bogdanm | 0:9b334a45a8ff | 320 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 321 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 322 | } |
bogdanm | 0:9b334a45a8ff | 323 | else |
bogdanm | 0:9b334a45a8ff | 324 | { |
bogdanm | 0:9b334a45a8ff | 325 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 326 | } |
bogdanm | 0:9b334a45a8ff | 327 | } |
bogdanm | 0:9b334a45a8ff | 328 | |
bogdanm | 0:9b334a45a8ff | 329 | |
bogdanm | 0:9b334a45a8ff | 330 | |
bogdanm | 0:9b334a45a8ff | 331 | |
bogdanm | 0:9b334a45a8ff | 332 | |
bogdanm | 0:9b334a45a8ff | 333 | /** |
bogdanm | 0:9b334a45a8ff | 334 | * @brief Carry out in DMA mode the ciphering or deciphering operation according to |
bogdanm | 0:9b334a45a8ff | 335 | * hcryp->Init structure fields. |
bogdanm | 0:9b334a45a8ff | 336 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 337 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 338 | * @param pInputData: Pointer to the plain text in case of encryption or cipher text in case of decryption |
bogdanm | 0:9b334a45a8ff | 339 | * or key derivation+decryption. |
bogdanm | 0:9b334a45a8ff | 340 | * @param Size: Length of the input data buffer in bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 341 | * @param pOutputData: Pointer to the cipher text in case of encryption or plain text in case of |
bogdanm | 0:9b334a45a8ff | 342 | * decryption/key derivation+decryption. |
bogdanm | 0:9b334a45a8ff | 343 | * @note Chaining modes ECB, CBC and CTR are managed by this function in DMA mode. |
bogdanm | 0:9b334a45a8ff | 344 | * @note Supported operating modes are encryption, decryption and key derivation with decryption. |
bogdanm | 0:9b334a45a8ff | 345 | * @note No DMA channel is provided for key derivation only and therefore, access to AES_KEYRx |
bogdanm | 0:9b334a45a8ff | 346 | * registers must be done by software. |
bogdanm | 0:9b334a45a8ff | 347 | * @note This API is not applicable to key derivation only; for such a mode, access to AES_KEYRx |
bogdanm | 0:9b334a45a8ff | 348 | * registers must be done by software thru HAL_CRYPEx_AES() or HAL_CRYPEx_AES_IT() APIs. |
bogdanm | 0:9b334a45a8ff | 349 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 350 | */ |
bogdanm | 0:9b334a45a8ff | 351 | HAL_StatusTypeDef HAL_CRYPEx_AES_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint16_t Size, uint8_t *pOutputData) |
bogdanm | 0:9b334a45a8ff | 352 | { |
bogdanm | 0:9b334a45a8ff | 353 | uint32_t inputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 354 | uint32_t outputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 355 | |
bogdanm | 0:9b334a45a8ff | 356 | if (hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 357 | { |
bogdanm | 0:9b334a45a8ff | 358 | /* Check parameters setting */ |
bogdanm | 0:9b334a45a8ff | 359 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_KEYDERIVATION) |
bogdanm | 0:9b334a45a8ff | 360 | { |
bogdanm | 0:9b334a45a8ff | 361 | /* no DMA channel is provided for key derivation operating mode, |
bogdanm | 0:9b334a45a8ff | 362 | access to AES_KEYRx registers must be done by software */ |
bogdanm | 0:9b334a45a8ff | 363 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 364 | } |
bogdanm | 0:9b334a45a8ff | 365 | else |
bogdanm | 0:9b334a45a8ff | 366 | { |
bogdanm | 0:9b334a45a8ff | 367 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 368 | { |
bogdanm | 0:9b334a45a8ff | 369 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 370 | } |
bogdanm | 0:9b334a45a8ff | 371 | } |
bogdanm | 0:9b334a45a8ff | 372 | |
bogdanm | 0:9b334a45a8ff | 373 | |
bogdanm | 0:9b334a45a8ff | 374 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 375 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 376 | |
bogdanm | 0:9b334a45a8ff | 377 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 378 | outputaddr = (uint32_t)pOutputData; |
bogdanm | 0:9b334a45a8ff | 379 | |
bogdanm | 0:9b334a45a8ff | 380 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 381 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 382 | |
bogdanm | 0:9b334a45a8ff | 383 | /* Set the input and output addresses and start DMA transfer */ |
bogdanm | 0:9b334a45a8ff | 384 | CRYP_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); |
bogdanm | 0:9b334a45a8ff | 385 | |
bogdanm | 0:9b334a45a8ff | 386 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 387 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 388 | |
bogdanm | 0:9b334a45a8ff | 389 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 390 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 391 | } |
bogdanm | 0:9b334a45a8ff | 392 | else |
bogdanm | 0:9b334a45a8ff | 393 | { |
bogdanm | 0:9b334a45a8ff | 394 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 395 | } |
bogdanm | 0:9b334a45a8ff | 396 | } |
bogdanm | 0:9b334a45a8ff | 397 | |
bogdanm | 0:9b334a45a8ff | 398 | |
bogdanm | 0:9b334a45a8ff | 399 | |
bogdanm | 0:9b334a45a8ff | 400 | |
bogdanm | 0:9b334a45a8ff | 401 | |
bogdanm | 0:9b334a45a8ff | 402 | |
bogdanm | 0:9b334a45a8ff | 403 | /** |
bogdanm | 0:9b334a45a8ff | 404 | * @brief Carry out in polling mode the authentication tag generation as well as the ciphering or deciphering |
bogdanm | 0:9b334a45a8ff | 405 | * operation according to hcryp->Init structure fields. |
bogdanm | 0:9b334a45a8ff | 406 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 407 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 408 | * @param pInputData: Pointer to payload data in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 409 | * Parameter is meaningless in case of GCM/GMAC init, header and final phases, |
bogdanm | 0:9b334a45a8ff | 410 | * Pointer to B0 blocks in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 411 | * Pointer to C block in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 412 | * @param Size: Length of the input payload data buffer in bytes, must be a multiple of 16, |
bogdanm | 0:9b334a45a8ff | 413 | * Parameter is meaningless in case of GCM/GMAC init and header phases, |
bogdanm | 0:9b334a45a8ff | 414 | * Length of B blocks (in bytes, must be a multiple of 16) in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 415 | * Length of C block (in bytes) in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 416 | * @param pOutputData: Pointer to plain or cipher text in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 417 | * pointer to authentication tag in GCM/GMAC and CMAC final phases. |
bogdanm | 0:9b334a45a8ff | 418 | * Parameter is meaningless in case of GCM/GMAC init and header phases |
bogdanm | 0:9b334a45a8ff | 419 | * and in case of CMAC header phase. |
bogdanm | 0:9b334a45a8ff | 420 | * @param Timeout: Specify Timeout value |
bogdanm | 0:9b334a45a8ff | 421 | * @note Supported operating modes are encryption and decryption, supported chaining modes are GCM, GMAC and CMAC. |
bogdanm | 0:9b334a45a8ff | 422 | * @note Phases are singly processed according to hcryp->Init.GCMCMACPhase so that steps in these specific chaining modes |
bogdanm | 0:9b334a45a8ff | 423 | * can be skipped by the user if so required. |
bogdanm | 0:9b334a45a8ff | 424 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 425 | */ |
bogdanm | 0:9b334a45a8ff | 426 | HAL_StatusTypeDef HAL_CRYPEx_AES_Auth(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint64_t Size, uint8_t *pOutputData, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 427 | { |
bogdanm | 0:9b334a45a8ff | 428 | uint32_t index = 0; |
bogdanm | 0:9b334a45a8ff | 429 | uint32_t inputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 430 | uint32_t outputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 431 | uint32_t tagaddr = 0; |
bogdanm | 0:9b334a45a8ff | 432 | uint64_t headerlength = 0; |
bogdanm | 0:9b334a45a8ff | 433 | uint64_t inputlength = 0; |
bogdanm | 0:9b334a45a8ff | 434 | |
bogdanm | 0:9b334a45a8ff | 435 | if (hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 436 | { |
bogdanm | 0:9b334a45a8ff | 437 | /* input/output parameters check */ |
bogdanm | 0:9b334a45a8ff | 438 | if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 439 | { |
bogdanm | 0:9b334a45a8ff | 440 | if ((hcryp->Init.Header == NULL) || (hcryp->Init.HeaderSize == 0)) |
bogdanm | 0:9b334a45a8ff | 441 | { |
bogdanm | 0:9b334a45a8ff | 442 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 443 | } |
bogdanm | 0:9b334a45a8ff | 444 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 445 | { |
bogdanm | 0:9b334a45a8ff | 446 | /* In case of CMAC header phase resumption, we can have pInputData = NULL and Size = 0 */ |
bogdanm | 0:9b334a45a8ff | 447 | if (((pInputData != NULL) && (Size == 0)) || ((pInputData == NULL) && (Size != 0))) |
bogdanm | 0:9b334a45a8ff | 448 | { |
bogdanm | 0:9b334a45a8ff | 449 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 450 | } |
bogdanm | 0:9b334a45a8ff | 451 | } |
bogdanm | 0:9b334a45a8ff | 452 | } |
bogdanm | 0:9b334a45a8ff | 453 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 454 | { |
bogdanm | 0:9b334a45a8ff | 455 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 456 | { |
bogdanm | 0:9b334a45a8ff | 457 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 458 | } |
bogdanm | 0:9b334a45a8ff | 459 | } |
bogdanm | 0:9b334a45a8ff | 460 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 461 | { |
bogdanm | 0:9b334a45a8ff | 462 | if (pOutputData == NULL) |
bogdanm | 0:9b334a45a8ff | 463 | { |
bogdanm | 0:9b334a45a8ff | 464 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 465 | } |
bogdanm | 0:9b334a45a8ff | 466 | if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) && (pInputData == NULL)) |
bogdanm | 0:9b334a45a8ff | 467 | { |
bogdanm | 0:9b334a45a8ff | 468 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 469 | } |
bogdanm | 0:9b334a45a8ff | 470 | } |
bogdanm | 0:9b334a45a8ff | 471 | |
bogdanm | 0:9b334a45a8ff | 472 | |
bogdanm | 0:9b334a45a8ff | 473 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 474 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 475 | |
bogdanm | 0:9b334a45a8ff | 476 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 477 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 478 | |
bogdanm | 0:9b334a45a8ff | 479 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 480 | /* GCM/GMAC init phase */ |
bogdanm | 0:9b334a45a8ff | 481 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 482 | /* In case of init phase, the input data (Key and Initialization Vector) have |
bogdanm | 0:9b334a45a8ff | 483 | already been entered during the initialization process. Therefore, the |
bogdanm | 0:9b334a45a8ff | 484 | API just waits for the CCF flag to be set. */ |
bogdanm | 0:9b334a45a8ff | 485 | if (hcryp->Init.GCMCMACPhase == CRYP_GCM_INIT_PHASE) |
bogdanm | 0:9b334a45a8ff | 486 | { |
bogdanm | 0:9b334a45a8ff | 487 | /* just wait for hash computation */ |
bogdanm | 0:9b334a45a8ff | 488 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 489 | { |
bogdanm | 0:9b334a45a8ff | 490 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 491 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 492 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 493 | } |
bogdanm | 0:9b334a45a8ff | 494 | |
bogdanm | 0:9b334a45a8ff | 495 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 496 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 497 | /* Mark that the initialization phase is over */ |
bogdanm | 0:9b334a45a8ff | 498 | hcryp->Phase = HAL_CRYP_PHASE_INIT_OVER; |
bogdanm | 0:9b334a45a8ff | 499 | } |
bogdanm | 0:9b334a45a8ff | 500 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 501 | /* GCM/GMAC or CMAC header phase */ |
bogdanm | 0:9b334a45a8ff | 502 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 503 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 504 | { |
bogdanm | 0:9b334a45a8ff | 505 | /* Set header phase; for GCM or GMAC, set data-byte at this point */ |
bogdanm | 0:9b334a45a8ff | 506 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 507 | { |
bogdanm | 0:9b334a45a8ff | 508 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH|AES_CR_DATATYPE, CRYP_GCMCMAC_HEADER_PHASE|hcryp->Init.DataType); |
bogdanm | 0:9b334a45a8ff | 509 | } |
bogdanm | 0:9b334a45a8ff | 510 | else |
bogdanm | 0:9b334a45a8ff | 511 | { |
bogdanm | 0:9b334a45a8ff | 512 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_HEADER_PHASE); |
bogdanm | 0:9b334a45a8ff | 513 | } |
bogdanm | 0:9b334a45a8ff | 514 | |
bogdanm | 0:9b334a45a8ff | 515 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 516 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 517 | |
bogdanm | 0:9b334a45a8ff | 518 | /* in case of CMAC, enter B0 block in header phase, before the header itself. */ |
bogdanm | 0:9b334a45a8ff | 519 | /* If Size = 0 (possible case of resumption after CMAC header phase suspension), |
bogdanm | 0:9b334a45a8ff | 520 | skip these steps and go directly to header buffer feeding to the HW */ |
bogdanm | 0:9b334a45a8ff | 521 | if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) && (Size != 0)) |
bogdanm | 0:9b334a45a8ff | 522 | { |
bogdanm | 0:9b334a45a8ff | 523 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 524 | |
bogdanm | 0:9b334a45a8ff | 525 | for(index=0; (index < Size); index += 16) |
bogdanm | 0:9b334a45a8ff | 526 | { |
bogdanm | 0:9b334a45a8ff | 527 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 528 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 529 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 530 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 531 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 532 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 533 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 534 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 535 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 536 | |
bogdanm | 0:9b334a45a8ff | 537 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 538 | { |
bogdanm | 0:9b334a45a8ff | 539 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 540 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 541 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 542 | } |
bogdanm | 0:9b334a45a8ff | 543 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 544 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 545 | |
bogdanm | 0:9b334a45a8ff | 546 | /* If the suspension flag has been raised and if the processing is not about |
bogdanm | 0:9b334a45a8ff | 547 | to end, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 548 | if ((hcryp->SuspendRequest == HAL_CRYP_SUSPEND) && ((index+16) < Size)) |
bogdanm | 0:9b334a45a8ff | 549 | { |
bogdanm | 0:9b334a45a8ff | 550 | /* reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 551 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 552 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 553 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 554 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 555 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 556 | |
bogdanm | 0:9b334a45a8ff | 557 | /* Save current reading and writing locations of Input and Output buffers */ |
bogdanm | 0:9b334a45a8ff | 558 | hcryp->pCrypInBuffPtr = (uint8_t *)inputaddr; |
bogdanm | 0:9b334a45a8ff | 559 | /* Save the total number of bytes (B blocks + header) that remain to be |
bogdanm | 0:9b334a45a8ff | 560 | processed at this point */ |
bogdanm | 0:9b334a45a8ff | 561 | hcryp->CrypInCount = hcryp->Init.HeaderSize + Size - (index+16); |
bogdanm | 0:9b334a45a8ff | 562 | |
bogdanm | 0:9b334a45a8ff | 563 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 564 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 565 | |
bogdanm | 0:9b334a45a8ff | 566 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 567 | } |
bogdanm | 0:9b334a45a8ff | 568 | } /* for(index=0; (index < Size); index += 16) */ |
bogdanm | 0:9b334a45a8ff | 569 | } |
bogdanm | 0:9b334a45a8ff | 570 | |
bogdanm | 0:9b334a45a8ff | 571 | /* Enter header */ |
bogdanm | 0:9b334a45a8ff | 572 | inputaddr = (uint32_t)hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 573 | for(index=0; (index < hcryp->Init.HeaderSize); index += 16) |
bogdanm | 0:9b334a45a8ff | 574 | { |
bogdanm | 0:9b334a45a8ff | 575 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 576 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 577 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 578 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 579 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 580 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 581 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 582 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 583 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 584 | |
bogdanm | 0:9b334a45a8ff | 585 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 586 | { |
bogdanm | 0:9b334a45a8ff | 587 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 588 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 589 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 590 | } |
bogdanm | 0:9b334a45a8ff | 591 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 592 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 593 | |
bogdanm | 0:9b334a45a8ff | 594 | /* If the suspension flag has been raised and if the processing is not about |
bogdanm | 0:9b334a45a8ff | 595 | to end, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 596 | if ((hcryp->SuspendRequest == HAL_CRYP_SUSPEND) && ((index+16) < hcryp->Init.HeaderSize)) |
bogdanm | 0:9b334a45a8ff | 597 | { |
bogdanm | 0:9b334a45a8ff | 598 | /* reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 599 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 600 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 601 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 602 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 603 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 604 | |
bogdanm | 0:9b334a45a8ff | 605 | /* Save current reading and writing locations of Input and Output buffers */ |
bogdanm | 0:9b334a45a8ff | 606 | hcryp->pCrypInBuffPtr = (uint8_t *)inputaddr; |
bogdanm | 0:9b334a45a8ff | 607 | /* Save the total number of bytes that remain to be processed at this point */ |
bogdanm | 0:9b334a45a8ff | 608 | hcryp->CrypInCount = hcryp->Init.HeaderSize - (index+16); |
bogdanm | 0:9b334a45a8ff | 609 | |
bogdanm | 0:9b334a45a8ff | 610 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 611 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 612 | |
bogdanm | 0:9b334a45a8ff | 613 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 614 | } |
bogdanm | 0:9b334a45a8ff | 615 | } |
bogdanm | 0:9b334a45a8ff | 616 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 617 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_OVER; |
bogdanm | 0:9b334a45a8ff | 618 | } |
bogdanm | 0:9b334a45a8ff | 619 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 620 | /* GCM/GMAC payload phase */ |
bogdanm | 0:9b334a45a8ff | 621 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 622 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 623 | { |
bogdanm | 0:9b334a45a8ff | 624 | |
bogdanm | 0:9b334a45a8ff | 625 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCM_PAYLOAD_PHASE); |
bogdanm | 0:9b334a45a8ff | 626 | |
bogdanm | 0:9b334a45a8ff | 627 | /* if the header phase has been bypassed, AES must be enabled again */ |
bogdanm | 0:9b334a45a8ff | 628 | if (hcryp->Phase == HAL_CRYP_PHASE_INIT_OVER) |
bogdanm | 0:9b334a45a8ff | 629 | { |
bogdanm | 0:9b334a45a8ff | 630 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 631 | } |
bogdanm | 0:9b334a45a8ff | 632 | |
bogdanm | 0:9b334a45a8ff | 633 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 634 | outputaddr = (uint32_t)pOutputData; |
bogdanm | 0:9b334a45a8ff | 635 | |
bogdanm | 0:9b334a45a8ff | 636 | /* Enter payload */ |
bogdanm | 0:9b334a45a8ff | 637 | for(index=0; (index < Size); index += 16) |
bogdanm | 0:9b334a45a8ff | 638 | { |
bogdanm | 0:9b334a45a8ff | 639 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 640 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 641 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 642 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 643 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 644 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 645 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 646 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 647 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 648 | |
bogdanm | 0:9b334a45a8ff | 649 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 650 | { |
bogdanm | 0:9b334a45a8ff | 651 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 652 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 653 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 654 | } |
bogdanm | 0:9b334a45a8ff | 655 | |
bogdanm | 0:9b334a45a8ff | 656 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 657 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 658 | |
bogdanm | 0:9b334a45a8ff | 659 | /* Retrieve output data: read the output block |
bogdanm | 0:9b334a45a8ff | 660 | from the Data Output Register */ |
bogdanm | 0:9b334a45a8ff | 661 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 662 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 663 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 664 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 665 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 666 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 667 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 668 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 669 | |
bogdanm | 0:9b334a45a8ff | 670 | /* If the suspension flag has been raised and if the processing is not about |
bogdanm | 0:9b334a45a8ff | 671 | to end, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 672 | if ((hcryp->SuspendRequest == HAL_CRYP_SUSPEND) && ((index+16) < Size)) |
bogdanm | 0:9b334a45a8ff | 673 | { |
bogdanm | 0:9b334a45a8ff | 674 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_ENCRYPT) |
bogdanm | 0:9b334a45a8ff | 675 | { |
bogdanm | 0:9b334a45a8ff | 676 | /* Ensure that Busy flag is reset */ |
bogdanm | 0:9b334a45a8ff | 677 | if(CRYP_WaitOnBusyFlagReset(hcryp, CRYP_BUSY_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 678 | { |
bogdanm | 0:9b334a45a8ff | 679 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 680 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 681 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 682 | } |
bogdanm | 0:9b334a45a8ff | 683 | } |
bogdanm | 0:9b334a45a8ff | 684 | /* reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 685 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 686 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 687 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 688 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 689 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 690 | |
bogdanm | 0:9b334a45a8ff | 691 | /* Save current reading and writing locations of Input and Output buffers */ |
bogdanm | 0:9b334a45a8ff | 692 | hcryp->pCrypOutBuffPtr = (uint8_t *)outputaddr; |
bogdanm | 0:9b334a45a8ff | 693 | hcryp->pCrypInBuffPtr = (uint8_t *)inputaddr; |
bogdanm | 0:9b334a45a8ff | 694 | /* Save the number of bytes that remain to be processed at this point */ |
bogdanm | 0:9b334a45a8ff | 695 | hcryp->CrypInCount = Size - (index+16); |
bogdanm | 0:9b334a45a8ff | 696 | |
bogdanm | 0:9b334a45a8ff | 697 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 698 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 699 | |
bogdanm | 0:9b334a45a8ff | 700 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 701 | } |
bogdanm | 0:9b334a45a8ff | 702 | |
bogdanm | 0:9b334a45a8ff | 703 | } |
bogdanm | 0:9b334a45a8ff | 704 | /* Mark that the payload phase is over */ |
bogdanm | 0:9b334a45a8ff | 705 | hcryp->Phase = HAL_CRYP_PHASE_PAYLOAD_OVER; |
bogdanm | 0:9b334a45a8ff | 706 | } |
bogdanm | 0:9b334a45a8ff | 707 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 708 | /* GCM/GMAC or CMAC final phase */ |
bogdanm | 0:9b334a45a8ff | 709 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 710 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 711 | { |
bogdanm | 0:9b334a45a8ff | 712 | tagaddr = (uint32_t)pOutputData; |
bogdanm | 0:9b334a45a8ff | 713 | |
bogdanm | 0:9b334a45a8ff | 714 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_FINAL_PHASE); |
bogdanm | 0:9b334a45a8ff | 715 | |
bogdanm | 0:9b334a45a8ff | 716 | /* if the header and payload phases have been bypassed, AES must be enabled again */ |
bogdanm | 0:9b334a45a8ff | 717 | if (hcryp->Phase == HAL_CRYP_PHASE_INIT_OVER) |
bogdanm | 0:9b334a45a8ff | 718 | { |
bogdanm | 0:9b334a45a8ff | 719 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 720 | } |
bogdanm | 0:9b334a45a8ff | 721 | |
bogdanm | 0:9b334a45a8ff | 722 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 723 | { |
bogdanm | 0:9b334a45a8ff | 724 | headerlength = hcryp->Init.HeaderSize * 8; /* Header length in bits */ |
bogdanm | 0:9b334a45a8ff | 725 | inputlength = Size * 8; /* input length in bits */ |
bogdanm | 0:9b334a45a8ff | 726 | |
bogdanm | 0:9b334a45a8ff | 727 | |
bogdanm | 0:9b334a45a8ff | 728 | if(hcryp->Init.DataType == CRYP_DATATYPE_1B) |
bogdanm | 0:9b334a45a8ff | 729 | { |
bogdanm | 0:9b334a45a8ff | 730 | hcryp->Instance->DINR = __RBIT((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 731 | hcryp->Instance->DINR = __RBIT(headerlength); |
bogdanm | 0:9b334a45a8ff | 732 | hcryp->Instance->DINR = __RBIT((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 733 | hcryp->Instance->DINR = __RBIT(inputlength); |
bogdanm | 0:9b334a45a8ff | 734 | } |
bogdanm | 0:9b334a45a8ff | 735 | else if(hcryp->Init.DataType == CRYP_DATATYPE_8B) |
bogdanm | 0:9b334a45a8ff | 736 | { |
bogdanm | 0:9b334a45a8ff | 737 | hcryp->Instance->DINR = __REV((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 738 | hcryp->Instance->DINR = __REV(headerlength); |
bogdanm | 0:9b334a45a8ff | 739 | hcryp->Instance->DINR = __REV((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 740 | hcryp->Instance->DINR = __REV(inputlength); |
bogdanm | 0:9b334a45a8ff | 741 | } |
bogdanm | 0:9b334a45a8ff | 742 | else if(hcryp->Init.DataType == CRYP_DATATYPE_16B) |
bogdanm | 0:9b334a45a8ff | 743 | { |
bogdanm | 0:9b334a45a8ff | 744 | hcryp->Instance->DINR = __ROR((headerlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 745 | hcryp->Instance->DINR = __ROR(headerlength, 16); |
bogdanm | 0:9b334a45a8ff | 746 | hcryp->Instance->DINR = __ROR((inputlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 747 | hcryp->Instance->DINR = __ROR(inputlength, 16); |
bogdanm | 0:9b334a45a8ff | 748 | } |
bogdanm | 0:9b334a45a8ff | 749 | else if(hcryp->Init.DataType == CRYP_DATATYPE_32B) |
bogdanm | 0:9b334a45a8ff | 750 | { |
bogdanm | 0:9b334a45a8ff | 751 | hcryp->Instance->DINR = (uint32_t)(headerlength>>32); |
bogdanm | 0:9b334a45a8ff | 752 | hcryp->Instance->DINR = (uint32_t)(headerlength); |
bogdanm | 0:9b334a45a8ff | 753 | hcryp->Instance->DINR = (uint32_t)(inputlength>>32); |
bogdanm | 0:9b334a45a8ff | 754 | hcryp->Instance->DINR = (uint32_t)(inputlength); |
bogdanm | 0:9b334a45a8ff | 755 | } |
bogdanm | 0:9b334a45a8ff | 756 | } |
bogdanm | 0:9b334a45a8ff | 757 | else if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 758 | { |
bogdanm | 0:9b334a45a8ff | 759 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 760 | /* Enter the last block made of a 128-bit value formatted |
bogdanm | 0:9b334a45a8ff | 761 | from the original B0 packet. */ |
bogdanm | 0:9b334a45a8ff | 762 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 763 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 764 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 765 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 766 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 767 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 768 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 769 | } |
bogdanm | 0:9b334a45a8ff | 770 | |
bogdanm | 0:9b334a45a8ff | 771 | |
bogdanm | 0:9b334a45a8ff | 772 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 773 | { |
bogdanm | 0:9b334a45a8ff | 774 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 775 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 776 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 777 | } |
bogdanm | 0:9b334a45a8ff | 778 | |
bogdanm | 0:9b334a45a8ff | 779 | /* Read the Auth TAG in the Data Out register */ |
bogdanm | 0:9b334a45a8ff | 780 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 781 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 782 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 783 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 784 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 785 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 786 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 787 | |
bogdanm | 0:9b334a45a8ff | 788 | |
bogdanm | 0:9b334a45a8ff | 789 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 790 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 791 | /* Mark that the final phase is over */ |
bogdanm | 0:9b334a45a8ff | 792 | hcryp->Phase = HAL_CRYP_PHASE_FINAL_OVER; |
bogdanm | 0:9b334a45a8ff | 793 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 794 | __HAL_CRYP_DISABLE(); |
bogdanm | 0:9b334a45a8ff | 795 | } |
bogdanm | 0:9b334a45a8ff | 796 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 797 | /* case incorrect hcryp->Init.GCMCMACPhase setting */ |
bogdanm | 0:9b334a45a8ff | 798 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 799 | else |
bogdanm | 0:9b334a45a8ff | 800 | { |
bogdanm | 0:9b334a45a8ff | 801 | hcryp->State = HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 802 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 803 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 804 | } |
bogdanm | 0:9b334a45a8ff | 805 | |
bogdanm | 0:9b334a45a8ff | 806 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 807 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 808 | |
bogdanm | 0:9b334a45a8ff | 809 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 810 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 811 | |
bogdanm | 0:9b334a45a8ff | 812 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 813 | } |
bogdanm | 0:9b334a45a8ff | 814 | else |
bogdanm | 0:9b334a45a8ff | 815 | { |
bogdanm | 0:9b334a45a8ff | 816 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 817 | } |
bogdanm | 0:9b334a45a8ff | 818 | } |
bogdanm | 0:9b334a45a8ff | 819 | |
bogdanm | 0:9b334a45a8ff | 820 | |
bogdanm | 0:9b334a45a8ff | 821 | |
bogdanm | 0:9b334a45a8ff | 822 | |
bogdanm | 0:9b334a45a8ff | 823 | /** |
bogdanm | 0:9b334a45a8ff | 824 | * @brief Carry out in interrupt mode the authentication tag generation as well as the ciphering or deciphering |
bogdanm | 0:9b334a45a8ff | 825 | * operation according to hcryp->Init structure fields. |
bogdanm | 0:9b334a45a8ff | 826 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 827 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 828 | * @param pInputData: Pointer to payload data in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 829 | * Parameter is meaningless in case of GCM/GMAC init, header and final phases, |
bogdanm | 0:9b334a45a8ff | 830 | * Pointer to B0 blocks in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 831 | * Pointer to C block in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 832 | * @param Size: Length of the input payload data buffer in bytes, must be a multiple of 16, |
bogdanm | 0:9b334a45a8ff | 833 | * Parameter is meaningless in case of GCM/GMAC init and header phases, |
bogdanm | 0:9b334a45a8ff | 834 | * Length of B blocks (in bytes, must be a multiple of 16) in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 835 | * Length of C block (in bytes) in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 836 | * @param pOutputData: Pointer to plain or cipher text in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 837 | * pointer to authentication tag in GCM/GMAC and CMAC final phases. |
bogdanm | 0:9b334a45a8ff | 838 | * Parameter is meaningless in case of GCM/GMAC init and header phases |
bogdanm | 0:9b334a45a8ff | 839 | * and in case of CMAC header phase. |
bogdanm | 0:9b334a45a8ff | 840 | * @note Supported operating modes are encryption and decryption, supported chaining modes are GCM, GMAC and CMAC. |
bogdanm | 0:9b334a45a8ff | 841 | * @note Phases are singly processed according to hcryp->Init.GCMCMACPhase so that steps in these specific chaining modes |
bogdanm | 0:9b334a45a8ff | 842 | * can be skipped by the user if so required. |
bogdanm | 0:9b334a45a8ff | 843 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 844 | */ |
bogdanm | 0:9b334a45a8ff | 845 | HAL_StatusTypeDef HAL_CRYPEx_AES_Auth_IT(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint64_t Size, uint8_t *pOutputData) |
bogdanm | 0:9b334a45a8ff | 846 | { |
bogdanm | 0:9b334a45a8ff | 847 | |
bogdanm | 0:9b334a45a8ff | 848 | uint32_t inputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 849 | uint64_t headerlength = 0; |
bogdanm | 0:9b334a45a8ff | 850 | uint64_t inputlength = 0; |
bogdanm | 0:9b334a45a8ff | 851 | |
bogdanm | 0:9b334a45a8ff | 852 | |
bogdanm | 0:9b334a45a8ff | 853 | if (hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 854 | { |
bogdanm | 0:9b334a45a8ff | 855 | /* input/output parameters check */ |
bogdanm | 0:9b334a45a8ff | 856 | if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 857 | { |
bogdanm | 0:9b334a45a8ff | 858 | if ((hcryp->Init.Header == NULL) || (hcryp->Init.HeaderSize == 0)) |
bogdanm | 0:9b334a45a8ff | 859 | { |
bogdanm | 0:9b334a45a8ff | 860 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 861 | } |
bogdanm | 0:9b334a45a8ff | 862 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 863 | { |
bogdanm | 0:9b334a45a8ff | 864 | /* In case of CMAC header phase resumption, we can have pInputData = NULL and Size = 0 */ |
bogdanm | 0:9b334a45a8ff | 865 | if (((pInputData != NULL) && (Size == 0)) || ((pInputData == NULL) && (Size != 0))) |
bogdanm | 0:9b334a45a8ff | 866 | { |
bogdanm | 0:9b334a45a8ff | 867 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 868 | } |
bogdanm | 0:9b334a45a8ff | 869 | } |
bogdanm | 0:9b334a45a8ff | 870 | } |
bogdanm | 0:9b334a45a8ff | 871 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 872 | { |
bogdanm | 0:9b334a45a8ff | 873 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 874 | { |
bogdanm | 0:9b334a45a8ff | 875 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 876 | } |
bogdanm | 0:9b334a45a8ff | 877 | } |
bogdanm | 0:9b334a45a8ff | 878 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 879 | { |
bogdanm | 0:9b334a45a8ff | 880 | if (pOutputData == NULL) |
bogdanm | 0:9b334a45a8ff | 881 | { |
bogdanm | 0:9b334a45a8ff | 882 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 883 | } |
bogdanm | 0:9b334a45a8ff | 884 | if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) && (pInputData == NULL)) |
bogdanm | 0:9b334a45a8ff | 885 | { |
bogdanm | 0:9b334a45a8ff | 886 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 887 | } |
bogdanm | 0:9b334a45a8ff | 888 | } |
bogdanm | 0:9b334a45a8ff | 889 | |
bogdanm | 0:9b334a45a8ff | 890 | |
bogdanm | 0:9b334a45a8ff | 891 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 892 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 893 | |
bogdanm | 0:9b334a45a8ff | 894 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 895 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 896 | |
bogdanm | 0:9b334a45a8ff | 897 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 898 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 899 | |
bogdanm | 0:9b334a45a8ff | 900 | /* Enable Computation Complete Flag and Error Interrupts */ |
bogdanm | 0:9b334a45a8ff | 901 | __HAL_CRYP_ENABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 902 | |
bogdanm | 0:9b334a45a8ff | 903 | |
bogdanm | 0:9b334a45a8ff | 904 | |
bogdanm | 0:9b334a45a8ff | 905 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 906 | /* GCM/GMAC init phase */ |
bogdanm | 0:9b334a45a8ff | 907 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 908 | if (hcryp->Init.GCMCMACPhase == CRYP_GCM_INIT_PHASE) |
bogdanm | 0:9b334a45a8ff | 909 | { |
bogdanm | 0:9b334a45a8ff | 910 | /* In case of init phase, the input data (Key and Initialization Vector) have |
bogdanm | 0:9b334a45a8ff | 911 | already been entered during the initialization process. Therefore, the |
bogdanm | 0:9b334a45a8ff | 912 | software just waits for the CCF interrupt to be raised and which will |
bogdanm | 0:9b334a45a8ff | 913 | be handled by CRYP_AES_Auth_IT() API. */ |
bogdanm | 0:9b334a45a8ff | 914 | } |
bogdanm | 0:9b334a45a8ff | 915 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 916 | /* GCM/GMAC or CMAC header phase */ |
bogdanm | 0:9b334a45a8ff | 917 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 918 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 919 | { |
bogdanm | 0:9b334a45a8ff | 920 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 921 | { |
bogdanm | 0:9b334a45a8ff | 922 | /* In case of CMAC, B blocks are first entered, before the header. |
bogdanm | 0:9b334a45a8ff | 923 | Therefore, B blocks and the header are entered back-to-back |
bogdanm | 0:9b334a45a8ff | 924 | as if it was only one single block. |
bogdanm | 0:9b334a45a8ff | 925 | However, in case of resumption after suspension, if all the |
bogdanm | 0:9b334a45a8ff | 926 | B blocks have been entered (in that case, Size = 0), only the |
bogdanm | 0:9b334a45a8ff | 927 | remainder of the non-processed header bytes are entered. */ |
bogdanm | 0:9b334a45a8ff | 928 | if (Size != 0) |
bogdanm | 0:9b334a45a8ff | 929 | { |
bogdanm | 0:9b334a45a8ff | 930 | hcryp->CrypInCount = Size + hcryp->Init.HeaderSize; |
bogdanm | 0:9b334a45a8ff | 931 | hcryp->pCrypInBuffPtr = pInputData; |
bogdanm | 0:9b334a45a8ff | 932 | } |
bogdanm | 0:9b334a45a8ff | 933 | else |
bogdanm | 0:9b334a45a8ff | 934 | { |
bogdanm | 0:9b334a45a8ff | 935 | hcryp->CrypInCount = hcryp->Init.HeaderSize; |
bogdanm | 0:9b334a45a8ff | 936 | hcryp->pCrypInBuffPtr = hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 937 | } |
bogdanm | 0:9b334a45a8ff | 938 | } |
bogdanm | 0:9b334a45a8ff | 939 | else |
bogdanm | 0:9b334a45a8ff | 940 | { |
bogdanm | 0:9b334a45a8ff | 941 | /* Get the header addresses and sizes */ |
bogdanm | 0:9b334a45a8ff | 942 | hcryp->CrypInCount = hcryp->Init.HeaderSize; |
bogdanm | 0:9b334a45a8ff | 943 | hcryp->pCrypInBuffPtr = hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 944 | } |
bogdanm | 0:9b334a45a8ff | 945 | |
bogdanm | 0:9b334a45a8ff | 946 | inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; |
bogdanm | 0:9b334a45a8ff | 947 | |
bogdanm | 0:9b334a45a8ff | 948 | /* Set header phase; for GCM or GMAC, set data-byte at this point */ |
bogdanm | 0:9b334a45a8ff | 949 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 950 | { |
bogdanm | 0:9b334a45a8ff | 951 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH|AES_CR_DATATYPE, CRYP_GCMCMAC_HEADER_PHASE|hcryp->Init.DataType); |
bogdanm | 0:9b334a45a8ff | 952 | } |
bogdanm | 0:9b334a45a8ff | 953 | else |
bogdanm | 0:9b334a45a8ff | 954 | { |
bogdanm | 0:9b334a45a8ff | 955 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_HEADER_PHASE); |
bogdanm | 0:9b334a45a8ff | 956 | } |
bogdanm | 0:9b334a45a8ff | 957 | |
bogdanm | 0:9b334a45a8ff | 958 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 959 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 960 | |
bogdanm | 0:9b334a45a8ff | 961 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 962 | hcryp->pCrypInBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 963 | hcryp->CrypInCount -= 16; |
bogdanm | 0:9b334a45a8ff | 964 | |
bogdanm | 0:9b334a45a8ff | 965 | |
bogdanm | 0:9b334a45a8ff | 966 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 967 | { |
bogdanm | 0:9b334a45a8ff | 968 | if (hcryp->CrypInCount == hcryp->Init.HeaderSize) |
bogdanm | 0:9b334a45a8ff | 969 | { |
bogdanm | 0:9b334a45a8ff | 970 | /* All B blocks will have been entered after the next |
bogdanm | 0:9b334a45a8ff | 971 | four DINR writing, so point at header buffer for |
bogdanm | 0:9b334a45a8ff | 972 | the next iteration */ |
bogdanm | 0:9b334a45a8ff | 973 | hcryp->pCrypInBuffPtr = hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 974 | } |
bogdanm | 0:9b334a45a8ff | 975 | } |
bogdanm | 0:9b334a45a8ff | 976 | |
bogdanm | 0:9b334a45a8ff | 977 | /* Enter header first block to initiate the process |
bogdanm | 0:9b334a45a8ff | 978 | in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 979 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 980 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 981 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 982 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 983 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 984 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 985 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 986 | } |
bogdanm | 0:9b334a45a8ff | 987 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 988 | /* GCM/GMAC payload phase */ |
bogdanm | 0:9b334a45a8ff | 989 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 990 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 991 | { |
bogdanm | 0:9b334a45a8ff | 992 | /* Get the buffer addresses and sizes */ |
bogdanm | 0:9b334a45a8ff | 993 | hcryp->CrypInCount = Size; |
bogdanm | 0:9b334a45a8ff | 994 | hcryp->pCrypInBuffPtr = pInputData; |
bogdanm | 0:9b334a45a8ff | 995 | hcryp->pCrypOutBuffPtr = pOutputData; |
bogdanm | 0:9b334a45a8ff | 996 | hcryp->CrypOutCount = Size; |
bogdanm | 0:9b334a45a8ff | 997 | |
bogdanm | 0:9b334a45a8ff | 998 | inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; |
bogdanm | 0:9b334a45a8ff | 999 | |
bogdanm | 0:9b334a45a8ff | 1000 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCM_PAYLOAD_PHASE); |
bogdanm | 0:9b334a45a8ff | 1001 | |
bogdanm | 0:9b334a45a8ff | 1002 | /* if the header phase has been bypassed, AES must be enabled again */ |
bogdanm | 0:9b334a45a8ff | 1003 | if (hcryp->Phase == HAL_CRYP_PHASE_INIT_OVER) |
bogdanm | 0:9b334a45a8ff | 1004 | { |
bogdanm | 0:9b334a45a8ff | 1005 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 1006 | } |
bogdanm | 0:9b334a45a8ff | 1007 | |
bogdanm | 0:9b334a45a8ff | 1008 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 1009 | hcryp->pCrypInBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 1010 | hcryp->CrypInCount -= 16; |
bogdanm | 0:9b334a45a8ff | 1011 | |
bogdanm | 0:9b334a45a8ff | 1012 | /* Enter payload first block to initiate the process |
bogdanm | 0:9b334a45a8ff | 1013 | in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 1014 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1015 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1016 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1017 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1018 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1019 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1020 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1021 | } |
bogdanm | 0:9b334a45a8ff | 1022 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1023 | /* GCM/GMAC or CMAC final phase */ |
bogdanm | 0:9b334a45a8ff | 1024 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1025 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 1026 | { |
bogdanm | 0:9b334a45a8ff | 1027 | hcryp->pCrypOutBuffPtr = pOutputData; |
bogdanm | 0:9b334a45a8ff | 1028 | |
bogdanm | 0:9b334a45a8ff | 1029 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_FINAL_PHASE); |
bogdanm | 0:9b334a45a8ff | 1030 | |
bogdanm | 0:9b334a45a8ff | 1031 | /* if the header and payload phases have been bypassed, AES must be enabled again */ |
bogdanm | 0:9b334a45a8ff | 1032 | if (hcryp->Phase == HAL_CRYP_PHASE_INIT_OVER) |
bogdanm | 0:9b334a45a8ff | 1033 | { |
bogdanm | 0:9b334a45a8ff | 1034 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 1035 | } |
bogdanm | 0:9b334a45a8ff | 1036 | |
bogdanm | 0:9b334a45a8ff | 1037 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 1038 | { |
bogdanm | 0:9b334a45a8ff | 1039 | headerlength = hcryp->Init.HeaderSize * 8; /* Header length in bits */ |
bogdanm | 0:9b334a45a8ff | 1040 | inputlength = Size * 8; /* input length in bits */ |
bogdanm | 0:9b334a45a8ff | 1041 | /* Write the number of bits in the header on 64 bits followed by the number |
bogdanm | 0:9b334a45a8ff | 1042 | of bits in the payload on 64 bits as well */ |
bogdanm | 0:9b334a45a8ff | 1043 | if(hcryp->Init.DataType == CRYP_DATATYPE_1B) |
bogdanm | 0:9b334a45a8ff | 1044 | { |
bogdanm | 0:9b334a45a8ff | 1045 | hcryp->Instance->DINR = __RBIT((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1046 | hcryp->Instance->DINR = __RBIT(headerlength); |
bogdanm | 0:9b334a45a8ff | 1047 | hcryp->Instance->DINR = __RBIT((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1048 | hcryp->Instance->DINR = __RBIT(inputlength); |
bogdanm | 0:9b334a45a8ff | 1049 | } |
bogdanm | 0:9b334a45a8ff | 1050 | else if(hcryp->Init.DataType == CRYP_DATATYPE_8B) |
bogdanm | 0:9b334a45a8ff | 1051 | { |
bogdanm | 0:9b334a45a8ff | 1052 | hcryp->Instance->DINR = __REV((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1053 | hcryp->Instance->DINR = __REV(headerlength); |
bogdanm | 0:9b334a45a8ff | 1054 | hcryp->Instance->DINR = __REV((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1055 | hcryp->Instance->DINR = __REV(inputlength); |
bogdanm | 0:9b334a45a8ff | 1056 | } |
bogdanm | 0:9b334a45a8ff | 1057 | else if(hcryp->Init.DataType == CRYP_DATATYPE_16B) |
bogdanm | 0:9b334a45a8ff | 1058 | { |
bogdanm | 0:9b334a45a8ff | 1059 | hcryp->Instance->DINR = __ROR((headerlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 1060 | hcryp->Instance->DINR = __ROR(headerlength, 16); |
bogdanm | 0:9b334a45a8ff | 1061 | hcryp->Instance->DINR = __ROR((inputlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 1062 | hcryp->Instance->DINR = __ROR(inputlength, 16); |
bogdanm | 0:9b334a45a8ff | 1063 | } |
bogdanm | 0:9b334a45a8ff | 1064 | else if(hcryp->Init.DataType == CRYP_DATATYPE_32B) |
bogdanm | 0:9b334a45a8ff | 1065 | { |
bogdanm | 0:9b334a45a8ff | 1066 | hcryp->Instance->DINR = (uint32_t)(headerlength>>32); |
bogdanm | 0:9b334a45a8ff | 1067 | hcryp->Instance->DINR = (uint32_t)(headerlength); |
bogdanm | 0:9b334a45a8ff | 1068 | hcryp->Instance->DINR = (uint32_t)(inputlength>>32); |
bogdanm | 0:9b334a45a8ff | 1069 | hcryp->Instance->DINR = (uint32_t)(inputlength); |
bogdanm | 0:9b334a45a8ff | 1070 | } |
bogdanm | 0:9b334a45a8ff | 1071 | } |
bogdanm | 0:9b334a45a8ff | 1072 | else if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 1073 | { |
bogdanm | 0:9b334a45a8ff | 1074 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 1075 | /* Enter the last block made of a 128-bit value formatted |
bogdanm | 0:9b334a45a8ff | 1076 | from the original B0 packet. */ |
bogdanm | 0:9b334a45a8ff | 1077 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1078 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1079 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1080 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1081 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1082 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1083 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1084 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1085 | } |
bogdanm | 0:9b334a45a8ff | 1086 | } |
bogdanm | 0:9b334a45a8ff | 1087 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 1088 | /* case incorrect hcryp->Init.GCMCMACPhase setting */ |
bogdanm | 0:9b334a45a8ff | 1089 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 1090 | else |
bogdanm | 0:9b334a45a8ff | 1091 | { |
bogdanm | 0:9b334a45a8ff | 1092 | hcryp->State = HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 1093 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1094 | } |
bogdanm | 0:9b334a45a8ff | 1095 | |
bogdanm | 0:9b334a45a8ff | 1096 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1097 | } |
bogdanm | 0:9b334a45a8ff | 1098 | else |
bogdanm | 0:9b334a45a8ff | 1099 | { |
bogdanm | 0:9b334a45a8ff | 1100 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1101 | } |
bogdanm | 0:9b334a45a8ff | 1102 | } |
bogdanm | 0:9b334a45a8ff | 1103 | |
bogdanm | 0:9b334a45a8ff | 1104 | |
bogdanm | 0:9b334a45a8ff | 1105 | |
bogdanm | 0:9b334a45a8ff | 1106 | |
bogdanm | 0:9b334a45a8ff | 1107 | /** |
bogdanm | 0:9b334a45a8ff | 1108 | * @brief Carry out in DMA mode the authentication tag generation as well as the ciphering or deciphering |
bogdanm | 0:9b334a45a8ff | 1109 | * operation according to hcryp->Init structure fields. |
bogdanm | 0:9b334a45a8ff | 1110 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1111 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 1112 | * @param pInputData: Pointer to payload data in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 1113 | * Parameter is meaningless in case of GCM/GMAC init, header and final phases, |
bogdanm | 0:9b334a45a8ff | 1114 | * Pointer to B0 blocks in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 1115 | * Pointer to C block in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 1116 | * @param Size: Length of the input payload data buffer in bytes, must be a multiple of 16, |
bogdanm | 0:9b334a45a8ff | 1117 | * Parameter is meaningless in case of GCM/GMAC init and header phases, |
bogdanm | 0:9b334a45a8ff | 1118 | * Length of B blocks (in bytes, must be a multiple of 16) in CMAC header phase, |
bogdanm | 0:9b334a45a8ff | 1119 | * Length of C block (in bytes) in CMAC final phase. |
bogdanm | 0:9b334a45a8ff | 1120 | * @param pOutputData: Pointer to plain or cipher text in GCM payload phase, |
bogdanm | 0:9b334a45a8ff | 1121 | * pointer to authentication tag in GCM/GMAC and CMAC final phases. |
bogdanm | 0:9b334a45a8ff | 1122 | * Parameter is meaningless in case of GCM/GMAC init and header phases |
bogdanm | 0:9b334a45a8ff | 1123 | * and in case of CMAC header phase. |
bogdanm | 0:9b334a45a8ff | 1124 | * @note Supported operating modes are encryption and decryption, supported chaining modes are GCM, GMAC and CMAC. |
bogdanm | 0:9b334a45a8ff | 1125 | * @note Phases are singly processed according to hcryp->Init.GCMCMACPhase so that steps in these specific chaining modes |
bogdanm | 0:9b334a45a8ff | 1126 | * can be skipped by the user if so required. |
bogdanm | 0:9b334a45a8ff | 1127 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1128 | */ |
bogdanm | 0:9b334a45a8ff | 1129 | HAL_StatusTypeDef HAL_CRYPEx_AES_Auth_DMA(CRYP_HandleTypeDef *hcryp, uint8_t *pInputData, uint64_t Size, uint8_t *pOutputData) |
bogdanm | 0:9b334a45a8ff | 1130 | { |
bogdanm | 0:9b334a45a8ff | 1131 | uint32_t inputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 1132 | uint32_t outputaddr = 0; |
bogdanm | 0:9b334a45a8ff | 1133 | uint32_t tagaddr = 0; |
bogdanm | 0:9b334a45a8ff | 1134 | uint64_t headerlength = 0; |
bogdanm | 0:9b334a45a8ff | 1135 | uint64_t inputlength = 0; |
bogdanm | 0:9b334a45a8ff | 1136 | |
bogdanm | 0:9b334a45a8ff | 1137 | |
bogdanm | 0:9b334a45a8ff | 1138 | if (hcryp->State == HAL_CRYP_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 1139 | { |
bogdanm | 0:9b334a45a8ff | 1140 | /* input/output parameters check */ |
bogdanm | 0:9b334a45a8ff | 1141 | if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 1142 | { |
bogdanm | 0:9b334a45a8ff | 1143 | if ((hcryp->Init.Header == NULL) || (hcryp->Init.HeaderSize == 0)) |
bogdanm | 0:9b334a45a8ff | 1144 | { |
bogdanm | 0:9b334a45a8ff | 1145 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1146 | } |
bogdanm | 0:9b334a45a8ff | 1147 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 1148 | { |
bogdanm | 0:9b334a45a8ff | 1149 | if ((pInputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 1150 | { |
bogdanm | 0:9b334a45a8ff | 1151 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1152 | } |
bogdanm | 0:9b334a45a8ff | 1153 | } |
bogdanm | 0:9b334a45a8ff | 1154 | } |
bogdanm | 0:9b334a45a8ff | 1155 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 1156 | { |
bogdanm | 0:9b334a45a8ff | 1157 | if ((pInputData == NULL) || (pOutputData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 1158 | { |
bogdanm | 0:9b334a45a8ff | 1159 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1160 | } |
bogdanm | 0:9b334a45a8ff | 1161 | } |
bogdanm | 0:9b334a45a8ff | 1162 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 1163 | { |
bogdanm | 0:9b334a45a8ff | 1164 | if (pOutputData == NULL) |
bogdanm | 0:9b334a45a8ff | 1165 | { |
bogdanm | 0:9b334a45a8ff | 1166 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1167 | } |
bogdanm | 0:9b334a45a8ff | 1168 | if ((hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) && (pInputData == NULL)) |
bogdanm | 0:9b334a45a8ff | 1169 | { |
bogdanm | 0:9b334a45a8ff | 1170 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1171 | } |
bogdanm | 0:9b334a45a8ff | 1172 | } |
bogdanm | 0:9b334a45a8ff | 1173 | |
bogdanm | 0:9b334a45a8ff | 1174 | |
bogdanm | 0:9b334a45a8ff | 1175 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1176 | __HAL_LOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1177 | |
bogdanm | 0:9b334a45a8ff | 1178 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1179 | hcryp->State = HAL_CRYP_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 1180 | |
bogdanm | 0:9b334a45a8ff | 1181 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 1182 | /* GCM/GMAC init phase */ |
bogdanm | 0:9b334a45a8ff | 1183 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 1184 | /* In case of init phase, the input data (Key and Initialization Vector) have |
bogdanm | 0:9b334a45a8ff | 1185 | already been entered during the initialization process. No DMA transfer is |
bogdanm | 0:9b334a45a8ff | 1186 | required at that point therefore, the software just waits for the CCF flag |
bogdanm | 0:9b334a45a8ff | 1187 | to be raised. */ |
bogdanm | 0:9b334a45a8ff | 1188 | if (hcryp->Init.GCMCMACPhase == CRYP_GCM_INIT_PHASE) |
bogdanm | 0:9b334a45a8ff | 1189 | { |
bogdanm | 0:9b334a45a8ff | 1190 | /* just wait for hash computation */ |
bogdanm | 0:9b334a45a8ff | 1191 | if(CRYP_WaitOnCCFlag(hcryp, CRYP_CCF_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1192 | { |
bogdanm | 0:9b334a45a8ff | 1193 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1194 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1195 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1196 | } |
bogdanm | 0:9b334a45a8ff | 1197 | |
bogdanm | 0:9b334a45a8ff | 1198 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1199 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1200 | /* Mark that the initialization phase is over */ |
bogdanm | 0:9b334a45a8ff | 1201 | hcryp->Phase = HAL_CRYP_PHASE_INIT_OVER; |
bogdanm | 0:9b334a45a8ff | 1202 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1203 | } |
bogdanm | 0:9b334a45a8ff | 1204 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 1205 | /* GCM/GMAC or CMAC header phase */ |
bogdanm | 0:9b334a45a8ff | 1206 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 1207 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 1208 | { |
bogdanm | 0:9b334a45a8ff | 1209 | /* Set header phase; for GCM or GMAC, set data-byte at this point */ |
bogdanm | 0:9b334a45a8ff | 1210 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 1211 | { |
bogdanm | 0:9b334a45a8ff | 1212 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH|AES_CR_DATATYPE, CRYP_GCMCMAC_HEADER_PHASE|hcryp->Init.DataType); |
bogdanm | 0:9b334a45a8ff | 1213 | } |
bogdanm | 0:9b334a45a8ff | 1214 | else |
bogdanm | 0:9b334a45a8ff | 1215 | { |
bogdanm | 0:9b334a45a8ff | 1216 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_HEADER_PHASE); |
bogdanm | 0:9b334a45a8ff | 1217 | } |
bogdanm | 0:9b334a45a8ff | 1218 | |
bogdanm | 0:9b334a45a8ff | 1219 | /* enter first B0 block in polling mode (no DMA transfer for B0) */ |
bogdanm | 0:9b334a45a8ff | 1220 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 1221 | { |
bogdanm | 0:9b334a45a8ff | 1222 | /* Enable the CRYP peripheral */ |
bogdanm | 0:9b334a45a8ff | 1223 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 1224 | |
bogdanm | 0:9b334a45a8ff | 1225 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 1226 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1227 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1228 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1229 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1230 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1231 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1232 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1233 | |
bogdanm | 0:9b334a45a8ff | 1234 | if(CRYP_WaitOnCCFlag(hcryp, CRYP_CCF_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1235 | { |
bogdanm | 0:9b334a45a8ff | 1236 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1237 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1238 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1239 | } |
bogdanm | 0:9b334a45a8ff | 1240 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1241 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1242 | } |
bogdanm | 0:9b334a45a8ff | 1243 | |
bogdanm | 0:9b334a45a8ff | 1244 | |
bogdanm | 0:9b334a45a8ff | 1245 | inputaddr = (uint32_t)hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 1246 | /* Set the input address and start DMA transfer */ |
bogdanm | 0:9b334a45a8ff | 1247 | CRYP_GCMCMAC_SetDMAConfig(hcryp, inputaddr, hcryp->Init.HeaderSize, 0); |
bogdanm | 0:9b334a45a8ff | 1248 | } |
bogdanm | 0:9b334a45a8ff | 1249 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 1250 | /* GCM/GMAC payload phase */ |
bogdanm | 0:9b334a45a8ff | 1251 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 1252 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 1253 | { |
bogdanm | 0:9b334a45a8ff | 1254 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCM_PAYLOAD_PHASE); |
bogdanm | 0:9b334a45a8ff | 1255 | |
bogdanm | 0:9b334a45a8ff | 1256 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 1257 | outputaddr = (uint32_t)pOutputData; |
bogdanm | 0:9b334a45a8ff | 1258 | /* Set the input and output addresses and start DMA transfer */ |
bogdanm | 0:9b334a45a8ff | 1259 | CRYP_GCMCMAC_SetDMAConfig(hcryp, inputaddr, Size, outputaddr); |
bogdanm | 0:9b334a45a8ff | 1260 | } |
bogdanm | 0:9b334a45a8ff | 1261 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1262 | /* GCM/GMAC or CMAC final phase */ |
bogdanm | 0:9b334a45a8ff | 1263 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1264 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 1265 | { |
bogdanm | 0:9b334a45a8ff | 1266 | tagaddr = (uint32_t)pOutputData; |
bogdanm | 0:9b334a45a8ff | 1267 | |
bogdanm | 0:9b334a45a8ff | 1268 | MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_GCMCMAC_FINAL_PHASE); |
bogdanm | 0:9b334a45a8ff | 1269 | |
bogdanm | 0:9b334a45a8ff | 1270 | /* if the header and payload phases have been bypassed, AES must be enabled again */ |
bogdanm | 0:9b334a45a8ff | 1271 | if (hcryp->Phase == HAL_CRYP_PHASE_INIT_OVER) |
bogdanm | 0:9b334a45a8ff | 1272 | { |
bogdanm | 0:9b334a45a8ff | 1273 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 1274 | } |
bogdanm | 0:9b334a45a8ff | 1275 | |
bogdanm | 0:9b334a45a8ff | 1276 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_GCM_GMAC) |
bogdanm | 0:9b334a45a8ff | 1277 | { |
bogdanm | 0:9b334a45a8ff | 1278 | headerlength = hcryp->Init.HeaderSize * 8; /* Header length in bits */ |
bogdanm | 0:9b334a45a8ff | 1279 | inputlength = Size * 8; /* input length in bits */ |
bogdanm | 0:9b334a45a8ff | 1280 | /* Write the number of bits in the header on 64 bits followed by the number |
bogdanm | 0:9b334a45a8ff | 1281 | of bits in the payload on 64 bits as well */ |
bogdanm | 0:9b334a45a8ff | 1282 | if(hcryp->Init.DataType == CRYP_DATATYPE_1B) |
bogdanm | 0:9b334a45a8ff | 1283 | { |
bogdanm | 0:9b334a45a8ff | 1284 | hcryp->Instance->DINR = __RBIT((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1285 | hcryp->Instance->DINR = __RBIT(headerlength); |
bogdanm | 0:9b334a45a8ff | 1286 | hcryp->Instance->DINR = __RBIT((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1287 | hcryp->Instance->DINR = __RBIT(inputlength); |
bogdanm | 0:9b334a45a8ff | 1288 | } |
bogdanm | 0:9b334a45a8ff | 1289 | else if(hcryp->Init.DataType == CRYP_DATATYPE_8B) |
bogdanm | 0:9b334a45a8ff | 1290 | { |
bogdanm | 0:9b334a45a8ff | 1291 | hcryp->Instance->DINR = __REV((headerlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1292 | hcryp->Instance->DINR = __REV(headerlength); |
bogdanm | 0:9b334a45a8ff | 1293 | hcryp->Instance->DINR = __REV((inputlength)>>32); |
bogdanm | 0:9b334a45a8ff | 1294 | hcryp->Instance->DINR = __REV(inputlength); |
bogdanm | 0:9b334a45a8ff | 1295 | } |
bogdanm | 0:9b334a45a8ff | 1296 | else if(hcryp->Init.DataType == CRYP_DATATYPE_16B) |
bogdanm | 0:9b334a45a8ff | 1297 | { |
bogdanm | 0:9b334a45a8ff | 1298 | hcryp->Instance->DINR = __ROR((headerlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 1299 | hcryp->Instance->DINR = __ROR(headerlength, 16); |
bogdanm | 0:9b334a45a8ff | 1300 | hcryp->Instance->DINR = __ROR((inputlength)>>32, 16); |
bogdanm | 0:9b334a45a8ff | 1301 | hcryp->Instance->DINR = __ROR(inputlength, 16); |
bogdanm | 0:9b334a45a8ff | 1302 | } |
bogdanm | 0:9b334a45a8ff | 1303 | else if(hcryp->Init.DataType == CRYP_DATATYPE_32B) |
bogdanm | 0:9b334a45a8ff | 1304 | { |
bogdanm | 0:9b334a45a8ff | 1305 | hcryp->Instance->DINR = (uint32_t)(headerlength>>32); |
bogdanm | 0:9b334a45a8ff | 1306 | hcryp->Instance->DINR = (uint32_t)(headerlength); |
bogdanm | 0:9b334a45a8ff | 1307 | hcryp->Instance->DINR = (uint32_t)(inputlength>>32); |
bogdanm | 0:9b334a45a8ff | 1308 | hcryp->Instance->DINR = (uint32_t)(inputlength); |
bogdanm | 0:9b334a45a8ff | 1309 | } |
bogdanm | 0:9b334a45a8ff | 1310 | } |
bogdanm | 0:9b334a45a8ff | 1311 | else if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 1312 | { |
bogdanm | 0:9b334a45a8ff | 1313 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1314 | |
bogdanm | 0:9b334a45a8ff | 1315 | inputaddr = (uint32_t)pInputData; |
bogdanm | 0:9b334a45a8ff | 1316 | /* Enter the last block made of a 128-bit value formatted |
bogdanm | 0:9b334a45a8ff | 1317 | from the original B0 packet. */ |
bogdanm | 0:9b334a45a8ff | 1318 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1319 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1320 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1321 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1322 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1323 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1324 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1325 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1326 | } |
bogdanm | 0:9b334a45a8ff | 1327 | |
bogdanm | 0:9b334a45a8ff | 1328 | /* No DMA transfer is required at that point therefore, the software |
bogdanm | 0:9b334a45a8ff | 1329 | just waits for the CCF flag to be raised. */ |
bogdanm | 0:9b334a45a8ff | 1330 | if(CRYP_WaitOnCCFlag(hcryp, CRYP_CCF_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1331 | { |
bogdanm | 0:9b334a45a8ff | 1332 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1333 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1334 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1335 | } |
bogdanm | 0:9b334a45a8ff | 1336 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1337 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1338 | /* Read the Auth TAG in the IN FIFO */ |
bogdanm | 0:9b334a45a8ff | 1339 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1340 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1341 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1342 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1343 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1344 | tagaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1345 | *(uint32_t*)(tagaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1346 | |
bogdanm | 0:9b334a45a8ff | 1347 | /* Mark that the final phase is over */ |
bogdanm | 0:9b334a45a8ff | 1348 | hcryp->Phase = HAL_CRYP_PHASE_FINAL_OVER; |
bogdanm | 0:9b334a45a8ff | 1349 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1350 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 1351 | __HAL_CRYP_DISABLE(); |
bogdanm | 0:9b334a45a8ff | 1352 | } |
bogdanm | 0:9b334a45a8ff | 1353 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 1354 | /* case incorrect hcryp->Init.GCMCMACPhase setting */ |
bogdanm | 0:9b334a45a8ff | 1355 | /*=================================================*/ |
bogdanm | 0:9b334a45a8ff | 1356 | else |
bogdanm | 0:9b334a45a8ff | 1357 | { |
bogdanm | 0:9b334a45a8ff | 1358 | hcryp->State = HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 1359 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1360 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1361 | } |
bogdanm | 0:9b334a45a8ff | 1362 | |
bogdanm | 0:9b334a45a8ff | 1363 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1364 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1365 | |
bogdanm | 0:9b334a45a8ff | 1366 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1367 | } |
bogdanm | 0:9b334a45a8ff | 1368 | else |
bogdanm | 0:9b334a45a8ff | 1369 | { |
bogdanm | 0:9b334a45a8ff | 1370 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1371 | } |
bogdanm | 0:9b334a45a8ff | 1372 | } |
bogdanm | 0:9b334a45a8ff | 1373 | |
bogdanm | 0:9b334a45a8ff | 1374 | /** |
bogdanm | 0:9b334a45a8ff | 1375 | * @} |
bogdanm | 0:9b334a45a8ff | 1376 | */ |
bogdanm | 0:9b334a45a8ff | 1377 | |
bogdanm | 0:9b334a45a8ff | 1378 | /** @defgroup CRYPEx_Exported_Functions_Group3 AES suspension/resumption functions |
bogdanm | 0:9b334a45a8ff | 1379 | * @brief Extended processing functions. |
bogdanm | 0:9b334a45a8ff | 1380 | * |
bogdanm | 0:9b334a45a8ff | 1381 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1382 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1383 | ##### AES extended suspension and resumption functions ##### |
bogdanm | 0:9b334a45a8ff | 1384 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1385 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 1386 | (+) save in memory the Initialization Vector, the Key registers, the Control register or |
bogdanm | 0:9b334a45a8ff | 1387 | the Suspend registers when a process is suspended by a higher priority message |
bogdanm | 0:9b334a45a8ff | 1388 | (+) write back in CRYP hardware block the saved values listed above when the suspended |
bogdanm | 0:9b334a45a8ff | 1389 | lower priority message processing is resumed. |
bogdanm | 0:9b334a45a8ff | 1390 | |
bogdanm | 0:9b334a45a8ff | 1391 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1392 | * @{ |
bogdanm | 0:9b334a45a8ff | 1393 | */ |
bogdanm | 0:9b334a45a8ff | 1394 | |
bogdanm | 0:9b334a45a8ff | 1395 | |
bogdanm | 0:9b334a45a8ff | 1396 | /** |
bogdanm | 0:9b334a45a8ff | 1397 | * @brief In case of message processing suspension, read the Initialization Vector. |
bogdanm | 0:9b334a45a8ff | 1398 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1399 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1400 | * @param Output: Pointer to the buffer containing the saved Initialization Vector. |
bogdanm | 0:9b334a45a8ff | 1401 | * @note This value has to be stored for reuse by writing the AES_IVRx registers |
bogdanm | 0:9b334a45a8ff | 1402 | * as soon as the interrupted processing has to be resumed. |
bogdanm | 0:9b334a45a8ff | 1403 | * Applicable to all chaining modes. |
bogdanm | 0:9b334a45a8ff | 1404 | * @note AES must be disabled when reading or resetting the IV values. |
bogdanm | 0:9b334a45a8ff | 1405 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1406 | */ |
bogdanm | 0:9b334a45a8ff | 1407 | void HAL_CRYPEx_Read_IVRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Output) |
bogdanm | 0:9b334a45a8ff | 1408 | { |
bogdanm | 0:9b334a45a8ff | 1409 | uint32_t outputaddr = (uint32_t)Output; |
bogdanm | 0:9b334a45a8ff | 1410 | |
bogdanm | 0:9b334a45a8ff | 1411 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->IVR3); |
bogdanm | 0:9b334a45a8ff | 1412 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1413 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->IVR2); |
bogdanm | 0:9b334a45a8ff | 1414 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1415 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->IVR1); |
bogdanm | 0:9b334a45a8ff | 1416 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1417 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->IVR0); |
bogdanm | 0:9b334a45a8ff | 1418 | } |
bogdanm | 0:9b334a45a8ff | 1419 | |
bogdanm | 0:9b334a45a8ff | 1420 | /** |
bogdanm | 0:9b334a45a8ff | 1421 | * @brief In case of message processing resumption, rewrite the Initialization |
bogdanm | 0:9b334a45a8ff | 1422 | * Vector in the AES_IVRx registers. |
bogdanm | 0:9b334a45a8ff | 1423 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1424 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1425 | * @param Input: Pointer to the buffer containing the saved Initialization Vector to |
bogdanm | 0:9b334a45a8ff | 1426 | * write back in the CRYP hardware block. |
bogdanm | 0:9b334a45a8ff | 1427 | * @note Applicable to all chaining modes. |
bogdanm | 0:9b334a45a8ff | 1428 | * @note AES must be disabled when reading or resetting the IV values. |
bogdanm | 0:9b334a45a8ff | 1429 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1430 | */ |
bogdanm | 0:9b334a45a8ff | 1431 | void HAL_CRYPEx_Write_IVRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Input) |
bogdanm | 0:9b334a45a8ff | 1432 | { |
bogdanm | 0:9b334a45a8ff | 1433 | uint32_t ivaddr = (uint32_t)Input; |
bogdanm | 0:9b334a45a8ff | 1434 | |
bogdanm | 0:9b334a45a8ff | 1435 | hcryp->Instance->IVR3 = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1436 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1437 | hcryp->Instance->IVR2 = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1438 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1439 | hcryp->Instance->IVR1 = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1440 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1441 | hcryp->Instance->IVR0 = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1442 | } |
bogdanm | 0:9b334a45a8ff | 1443 | |
bogdanm | 0:9b334a45a8ff | 1444 | |
bogdanm | 0:9b334a45a8ff | 1445 | /** |
bogdanm | 0:9b334a45a8ff | 1446 | * @brief In case of message GCM/GMAC or CMAC processing suspension, read the Suspend Registers. |
bogdanm | 0:9b334a45a8ff | 1447 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1448 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1449 | * @param Output: Pointer to the buffer containing the saved Suspend Registers. |
bogdanm | 0:9b334a45a8ff | 1450 | * @note These values have to be stored for reuse by writing back the AES_SUSPxR registers |
bogdanm | 0:9b334a45a8ff | 1451 | * as soon as the interrupted processing has to be resumed. |
bogdanm | 0:9b334a45a8ff | 1452 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1453 | */ |
bogdanm | 0:9b334a45a8ff | 1454 | void HAL_CRYPEx_Read_SuspendRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Output) |
bogdanm | 0:9b334a45a8ff | 1455 | { |
bogdanm | 0:9b334a45a8ff | 1456 | uint32_t outputaddr = (uint32_t)Output; |
bogdanm | 0:9b334a45a8ff | 1457 | |
bogdanm | 0:9b334a45a8ff | 1458 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP7R); |
bogdanm | 0:9b334a45a8ff | 1459 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1460 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP6R); |
bogdanm | 0:9b334a45a8ff | 1461 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1462 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP5R); |
bogdanm | 0:9b334a45a8ff | 1463 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1464 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP4R); |
bogdanm | 0:9b334a45a8ff | 1465 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1466 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP3R); |
bogdanm | 0:9b334a45a8ff | 1467 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1468 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP2R); |
bogdanm | 0:9b334a45a8ff | 1469 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1470 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP1R); |
bogdanm | 0:9b334a45a8ff | 1471 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1472 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->SUSP0R); |
bogdanm | 0:9b334a45a8ff | 1473 | } |
bogdanm | 0:9b334a45a8ff | 1474 | |
bogdanm | 0:9b334a45a8ff | 1475 | /** |
bogdanm | 0:9b334a45a8ff | 1476 | * @brief In case of message GCM/GMAC or CMAC processing resumption, rewrite the Suspend |
bogdanm | 0:9b334a45a8ff | 1477 | * Registers in the AES_SUSPxR registers. |
bogdanm | 0:9b334a45a8ff | 1478 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1479 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1480 | * @param Input: Pointer to the buffer containing the saved suspend registers to |
bogdanm | 0:9b334a45a8ff | 1481 | * write back in the CRYP hardware block. |
bogdanm | 0:9b334a45a8ff | 1482 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1483 | */ |
bogdanm | 0:9b334a45a8ff | 1484 | void HAL_CRYPEx_Write_SuspendRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Input) |
bogdanm | 0:9b334a45a8ff | 1485 | { |
bogdanm | 0:9b334a45a8ff | 1486 | uint32_t ivaddr = (uint32_t)Input; |
bogdanm | 0:9b334a45a8ff | 1487 | |
bogdanm | 0:9b334a45a8ff | 1488 | hcryp->Instance->SUSP7R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1489 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1490 | hcryp->Instance->SUSP6R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1491 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1492 | hcryp->Instance->SUSP5R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1493 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1494 | hcryp->Instance->SUSP4R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1495 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1496 | hcryp->Instance->SUSP3R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1497 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1498 | hcryp->Instance->SUSP2R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1499 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1500 | hcryp->Instance->SUSP1R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1501 | ivaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1502 | hcryp->Instance->SUSP0R = __REV(*(uint32_t*)(ivaddr)); |
bogdanm | 0:9b334a45a8ff | 1503 | } |
bogdanm | 0:9b334a45a8ff | 1504 | |
bogdanm | 0:9b334a45a8ff | 1505 | |
bogdanm | 0:9b334a45a8ff | 1506 | /** |
bogdanm | 0:9b334a45a8ff | 1507 | * @brief In case of message GCM/GMAC or CMAC processing suspension, read the Key Registers. |
bogdanm | 0:9b334a45a8ff | 1508 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1509 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1510 | * @param Output: Pointer to the buffer containing the saved Key Registers. |
bogdanm | 0:9b334a45a8ff | 1511 | * @param KeySize: Indicates the key size (128 or 256 bits). |
bogdanm | 0:9b334a45a8ff | 1512 | * @note These values have to be stored for reuse by writing back the AES_KEYRx registers |
bogdanm | 0:9b334a45a8ff | 1513 | * as soon as the interrupted processing has to be resumed. |
bogdanm | 0:9b334a45a8ff | 1514 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1515 | */ |
bogdanm | 0:9b334a45a8ff | 1516 | void HAL_CRYPEx_Read_KeyRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Output, uint32_t KeySize) |
bogdanm | 0:9b334a45a8ff | 1517 | { |
bogdanm | 0:9b334a45a8ff | 1518 | uint32_t keyaddr = (uint32_t)Output; |
bogdanm | 0:9b334a45a8ff | 1519 | |
bogdanm | 0:9b334a45a8ff | 1520 | if (KeySize == CRYP_KEYSIZE_256B) |
bogdanm | 0:9b334a45a8ff | 1521 | { |
bogdanm | 0:9b334a45a8ff | 1522 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR7); |
bogdanm | 0:9b334a45a8ff | 1523 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1524 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR6); |
bogdanm | 0:9b334a45a8ff | 1525 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1526 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR5); |
bogdanm | 0:9b334a45a8ff | 1527 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1528 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR4); |
bogdanm | 0:9b334a45a8ff | 1529 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1530 | } |
bogdanm | 0:9b334a45a8ff | 1531 | |
bogdanm | 0:9b334a45a8ff | 1532 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR3); |
bogdanm | 0:9b334a45a8ff | 1533 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1534 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR2); |
bogdanm | 0:9b334a45a8ff | 1535 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1536 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR1); |
bogdanm | 0:9b334a45a8ff | 1537 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1538 | *(uint32_t*)(keyaddr) = __REV(hcryp->Instance->KEYR0); |
bogdanm | 0:9b334a45a8ff | 1539 | } |
bogdanm | 0:9b334a45a8ff | 1540 | |
bogdanm | 0:9b334a45a8ff | 1541 | /** |
bogdanm | 0:9b334a45a8ff | 1542 | * @brief In case of message GCM/GMAC or CMAC processing resumption, rewrite the Key |
bogdanm | 0:9b334a45a8ff | 1543 | * Registers in the AES_KEYRx registers. |
bogdanm | 0:9b334a45a8ff | 1544 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1545 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1546 | * @param Input: Pointer to the buffer containing the saved key registers to |
bogdanm | 0:9b334a45a8ff | 1547 | * write back in the CRYP hardware block. |
bogdanm | 0:9b334a45a8ff | 1548 | * @param KeySize: Indicates the key size (128 or 256 bits) |
bogdanm | 0:9b334a45a8ff | 1549 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1550 | */ |
bogdanm | 0:9b334a45a8ff | 1551 | void HAL_CRYPEx_Write_KeyRegisters(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint32_t KeySize) |
bogdanm | 0:9b334a45a8ff | 1552 | { |
bogdanm | 0:9b334a45a8ff | 1553 | uint32_t keyaddr = (uint32_t)Input; |
bogdanm | 0:9b334a45a8ff | 1554 | |
bogdanm | 0:9b334a45a8ff | 1555 | if (KeySize == CRYP_KEYSIZE_256B) |
bogdanm | 0:9b334a45a8ff | 1556 | { |
bogdanm | 0:9b334a45a8ff | 1557 | hcryp->Instance->KEYR7 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1558 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1559 | hcryp->Instance->KEYR6 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1560 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1561 | hcryp->Instance->KEYR5 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1562 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1563 | hcryp->Instance->KEYR4 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1564 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1565 | } |
bogdanm | 0:9b334a45a8ff | 1566 | |
bogdanm | 0:9b334a45a8ff | 1567 | hcryp->Instance->KEYR3 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1568 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1569 | hcryp->Instance->KEYR2 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1570 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1571 | hcryp->Instance->KEYR1 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1572 | keyaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1573 | hcryp->Instance->KEYR0 = __REV(*(uint32_t*)(keyaddr)); |
bogdanm | 0:9b334a45a8ff | 1574 | } |
bogdanm | 0:9b334a45a8ff | 1575 | |
bogdanm | 0:9b334a45a8ff | 1576 | |
bogdanm | 0:9b334a45a8ff | 1577 | /** |
bogdanm | 0:9b334a45a8ff | 1578 | * @brief In case of message GCM/GMAC or CMAC processing suspension, read the Control Register. |
bogdanm | 0:9b334a45a8ff | 1579 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1580 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1581 | * @param Output: Pointer to the buffer containing the saved Control Register. |
bogdanm | 0:9b334a45a8ff | 1582 | * @note This values has to be stored for reuse by writing back the AES_CR register |
bogdanm | 0:9b334a45a8ff | 1583 | * as soon as the interrupted processing has to be resumed. |
bogdanm | 0:9b334a45a8ff | 1584 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1585 | */ |
bogdanm | 0:9b334a45a8ff | 1586 | void HAL_CRYPEx_Read_ControlRegister(CRYP_HandleTypeDef *hcryp, uint8_t* Output) |
bogdanm | 0:9b334a45a8ff | 1587 | { |
bogdanm | 0:9b334a45a8ff | 1588 | *(uint32_t*)(Output) = hcryp->Instance->CR; |
bogdanm | 0:9b334a45a8ff | 1589 | } |
bogdanm | 0:9b334a45a8ff | 1590 | |
bogdanm | 0:9b334a45a8ff | 1591 | /** |
bogdanm | 0:9b334a45a8ff | 1592 | * @brief In case of message GCM/GMAC or CMAC processing resumption, rewrite the Control |
bogdanm | 0:9b334a45a8ff | 1593 | * Registers in the AES_CR register. |
bogdanm | 0:9b334a45a8ff | 1594 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1595 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1596 | * @param Input: Pointer to the buffer containing the saved Control Register to |
bogdanm | 0:9b334a45a8ff | 1597 | * write back in the CRYP hardware block. |
bogdanm | 0:9b334a45a8ff | 1598 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1599 | */ |
bogdanm | 0:9b334a45a8ff | 1600 | void HAL_CRYPEx_Write_ControlRegister(CRYP_HandleTypeDef *hcryp, uint8_t* Input) |
bogdanm | 0:9b334a45a8ff | 1601 | { |
bogdanm | 0:9b334a45a8ff | 1602 | hcryp->Instance->CR = *(uint32_t*)(Input); |
bogdanm | 0:9b334a45a8ff | 1603 | } |
bogdanm | 0:9b334a45a8ff | 1604 | |
bogdanm | 0:9b334a45a8ff | 1605 | /** |
bogdanm | 0:9b334a45a8ff | 1606 | * @} |
bogdanm | 0:9b334a45a8ff | 1607 | */ |
bogdanm | 0:9b334a45a8ff | 1608 | |
bogdanm | 0:9b334a45a8ff | 1609 | /** |
bogdanm | 0:9b334a45a8ff | 1610 | * @} |
bogdanm | 0:9b334a45a8ff | 1611 | */ |
bogdanm | 0:9b334a45a8ff | 1612 | |
bogdanm | 0:9b334a45a8ff | 1613 | /** @addtogroup CRYPEx_Private_Functions |
bogdanm | 0:9b334a45a8ff | 1614 | * @{ |
bogdanm | 0:9b334a45a8ff | 1615 | */ |
bogdanm | 0:9b334a45a8ff | 1616 | |
bogdanm | 0:9b334a45a8ff | 1617 | /** |
bogdanm | 0:9b334a45a8ff | 1618 | * @brief DMA CRYP Input Data process complete callback |
bogdanm | 0:9b334a45a8ff | 1619 | * for GCM, GMAC or CMAC chainging modes. |
bogdanm | 0:9b334a45a8ff | 1620 | * @note Specific setting of hcryp fields are required only |
bogdanm | 0:9b334a45a8ff | 1621 | * in the case of header phase where no output data DMA |
bogdanm | 0:9b334a45a8ff | 1622 | * transfer is on-going (only input data transfer is enabled |
bogdanm | 0:9b334a45a8ff | 1623 | * in such a case). |
bogdanm | 0:9b334a45a8ff | 1624 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 1625 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1626 | */ |
bogdanm | 0:9b334a45a8ff | 1627 | static void CRYP_GCMCMAC_DMAInCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1628 | { |
bogdanm | 0:9b334a45a8ff | 1629 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1630 | |
bogdanm | 0:9b334a45a8ff | 1631 | /* Disable the DMA transfer for input request */ |
bogdanm | 0:9b334a45a8ff | 1632 | CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAINEN); |
bogdanm | 0:9b334a45a8ff | 1633 | |
bogdanm | 0:9b334a45a8ff | 1634 | if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 1635 | { |
bogdanm | 0:9b334a45a8ff | 1636 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1637 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1638 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1639 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1640 | |
bogdanm | 0:9b334a45a8ff | 1641 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 1642 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_OVER; |
bogdanm | 0:9b334a45a8ff | 1643 | } |
bogdanm | 0:9b334a45a8ff | 1644 | |
bogdanm | 0:9b334a45a8ff | 1645 | /* Call input data transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1646 | HAL_CRYP_InCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1647 | } |
bogdanm | 0:9b334a45a8ff | 1648 | |
bogdanm | 0:9b334a45a8ff | 1649 | /** |
bogdanm | 0:9b334a45a8ff | 1650 | * @brief DMA CRYP Output Data process complete callback |
bogdanm | 0:9b334a45a8ff | 1651 | * for GCM, GMAC or CMAC chainging modes. |
bogdanm | 0:9b334a45a8ff | 1652 | * @note This callback is called only in the payload phase. |
bogdanm | 0:9b334a45a8ff | 1653 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 1654 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1655 | */ |
bogdanm | 0:9b334a45a8ff | 1656 | static void CRYP_GCMCMAC_DMAOutCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1657 | { |
bogdanm | 0:9b334a45a8ff | 1658 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1659 | |
bogdanm | 0:9b334a45a8ff | 1660 | /* Disable the DMA transfer for output request */ |
bogdanm | 0:9b334a45a8ff | 1661 | CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAOUTEN); |
bogdanm | 0:9b334a45a8ff | 1662 | |
bogdanm | 0:9b334a45a8ff | 1663 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1664 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1665 | |
bogdanm | 0:9b334a45a8ff | 1666 | /* Change the CRYP state to ready */ |
bogdanm | 0:9b334a45a8ff | 1667 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1668 | /* Mark that the payload phase is over */ |
bogdanm | 0:9b334a45a8ff | 1669 | hcryp->Phase = HAL_CRYP_PHASE_PAYLOAD_OVER; |
bogdanm | 0:9b334a45a8ff | 1670 | |
bogdanm | 0:9b334a45a8ff | 1671 | /* Call output data transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1672 | HAL_CRYP_OutCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1673 | } |
bogdanm | 0:9b334a45a8ff | 1674 | |
bogdanm | 0:9b334a45a8ff | 1675 | /** |
bogdanm | 0:9b334a45a8ff | 1676 | * @brief DMA CRYP communication error callback |
bogdanm | 0:9b334a45a8ff | 1677 | * for GCM, GMAC or CMAC chainging modes. |
bogdanm | 0:9b334a45a8ff | 1678 | * @param hdma: DMA handle |
bogdanm | 0:9b334a45a8ff | 1679 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1680 | */ |
bogdanm | 0:9b334a45a8ff | 1681 | static void CRYP_GCMCMAC_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1682 | { |
bogdanm | 0:9b334a45a8ff | 1683 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1684 | |
bogdanm | 0:9b334a45a8ff | 1685 | hcryp->State= HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 1686 | hcryp->ErrorCode |= HAL_CRYP_DMA_ERROR; |
bogdanm | 0:9b334a45a8ff | 1687 | HAL_CRYP_ErrorCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1688 | /* Clear Error Flag */ |
bogdanm | 0:9b334a45a8ff | 1689 | __HAL_CRYP_CLEAR_FLAG(CRYP_ERR_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1690 | } |
bogdanm | 0:9b334a45a8ff | 1691 | |
bogdanm | 0:9b334a45a8ff | 1692 | |
bogdanm | 0:9b334a45a8ff | 1693 | |
bogdanm | 0:9b334a45a8ff | 1694 | /** |
bogdanm | 0:9b334a45a8ff | 1695 | * @brief Handle CRYP block input/output data handling under interruption |
bogdanm | 0:9b334a45a8ff | 1696 | * for GCM, GMAC or CMAC chainging modes. |
bogdanm | 0:9b334a45a8ff | 1697 | * @note The function is called under interruption only, once |
bogdanm | 0:9b334a45a8ff | 1698 | * interruptions have been enabled by HAL_CRYPEx_AES_Auth_IT(). |
bogdanm | 0:9b334a45a8ff | 1699 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1700 | * the configuration information for CRYP module |
bogdanm | 0:9b334a45a8ff | 1701 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1702 | */ |
bogdanm | 0:9b334a45a8ff | 1703 | HAL_StatusTypeDef CRYP_AES_Auth_IT(CRYP_HandleTypeDef *hcryp) |
bogdanm | 0:9b334a45a8ff | 1704 | { |
bogdanm | 0:9b334a45a8ff | 1705 | uint32_t inputaddr = 0x0; |
bogdanm | 0:9b334a45a8ff | 1706 | uint32_t outputaddr = 0x0; |
bogdanm | 0:9b334a45a8ff | 1707 | |
bogdanm | 0:9b334a45a8ff | 1708 | if(hcryp->State == HAL_CRYP_STATE_BUSY) |
bogdanm | 0:9b334a45a8ff | 1709 | { |
bogdanm | 0:9b334a45a8ff | 1710 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 1711 | /* GCM/GMAC init phase */ |
bogdanm | 0:9b334a45a8ff | 1712 | /*=====================*/ |
bogdanm | 0:9b334a45a8ff | 1713 | if (hcryp->Init.GCMCMACPhase == CRYP_GCM_INIT_PHASE) |
bogdanm | 0:9b334a45a8ff | 1714 | { |
bogdanm | 0:9b334a45a8ff | 1715 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1716 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1717 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1718 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1719 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1720 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1721 | |
bogdanm | 0:9b334a45a8ff | 1722 | /* Mark that the initialization phase is over */ |
bogdanm | 0:9b334a45a8ff | 1723 | hcryp->Phase = HAL_CRYP_PHASE_INIT_OVER; |
bogdanm | 0:9b334a45a8ff | 1724 | |
bogdanm | 0:9b334a45a8ff | 1725 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1726 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1727 | /* Call computation complete callback */ |
bogdanm | 0:9b334a45a8ff | 1728 | HAL_CRYPEx_ComputationCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1729 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1730 | } |
bogdanm | 0:9b334a45a8ff | 1731 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 1732 | /* GCM/GMAC or CMAC header phase */ |
bogdanm | 0:9b334a45a8ff | 1733 | /*===============================*/ |
bogdanm | 0:9b334a45a8ff | 1734 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_HEADER_PHASE) |
bogdanm | 0:9b334a45a8ff | 1735 | { |
bogdanm | 0:9b334a45a8ff | 1736 | /* Check if all input header data have been entered */ |
bogdanm | 0:9b334a45a8ff | 1737 | if (hcryp->CrypInCount == 0) |
bogdanm | 0:9b334a45a8ff | 1738 | { |
bogdanm | 0:9b334a45a8ff | 1739 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1740 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1741 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1742 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1743 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1744 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1745 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 1746 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_OVER; |
bogdanm | 0:9b334a45a8ff | 1747 | |
bogdanm | 0:9b334a45a8ff | 1748 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1749 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1750 | |
bogdanm | 0:9b334a45a8ff | 1751 | /* Call computation complete callback */ |
bogdanm | 0:9b334a45a8ff | 1752 | HAL_CRYPEx_ComputationCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1753 | |
bogdanm | 0:9b334a45a8ff | 1754 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1755 | } |
bogdanm | 0:9b334a45a8ff | 1756 | /* If suspension flag has been raised, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 1757 | else if (hcryp->SuspendRequest == HAL_CRYP_SUSPEND) |
bogdanm | 0:9b334a45a8ff | 1758 | { |
bogdanm | 0:9b334a45a8ff | 1759 | /* Ensure that CCF flag is set */ |
bogdanm | 0:9b334a45a8ff | 1760 | if(CRYP_WaitOnCCFlag(hcryp, CRYP_CCF_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1761 | { |
bogdanm | 0:9b334a45a8ff | 1762 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1763 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1764 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1765 | } |
bogdanm | 0:9b334a45a8ff | 1766 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1767 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1768 | |
bogdanm | 0:9b334a45a8ff | 1769 | /* reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 1770 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 1771 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1772 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1773 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1774 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 1775 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 1776 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 1777 | |
bogdanm | 0:9b334a45a8ff | 1778 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1779 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1780 | |
bogdanm | 0:9b334a45a8ff | 1781 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1782 | } |
bogdanm | 0:9b334a45a8ff | 1783 | else /* Carry on feeding input data to the CRYP hardware block */ |
bogdanm | 0:9b334a45a8ff | 1784 | { |
bogdanm | 0:9b334a45a8ff | 1785 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1786 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1787 | /* Get the last Input data address */ |
bogdanm | 0:9b334a45a8ff | 1788 | inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1789 | |
bogdanm | 0:9b334a45a8ff | 1790 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 1791 | hcryp->pCrypInBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 1792 | hcryp->CrypInCount -= 16; |
bogdanm | 0:9b334a45a8ff | 1793 | |
bogdanm | 0:9b334a45a8ff | 1794 | if (hcryp->Init.ChainingMode == CRYP_CHAINMODE_AES_CMAC) |
bogdanm | 0:9b334a45a8ff | 1795 | { |
bogdanm | 0:9b334a45a8ff | 1796 | if (hcryp->CrypInCount == hcryp->Init.HeaderSize) |
bogdanm | 0:9b334a45a8ff | 1797 | { |
bogdanm | 0:9b334a45a8ff | 1798 | /* All B blocks will have been entered after the next |
bogdanm | 0:9b334a45a8ff | 1799 | four DINR writing, so point at header buffer for |
bogdanm | 0:9b334a45a8ff | 1800 | the next iteration */ |
bogdanm | 0:9b334a45a8ff | 1801 | hcryp->pCrypInBuffPtr = hcryp->Init.Header; |
bogdanm | 0:9b334a45a8ff | 1802 | } |
bogdanm | 0:9b334a45a8ff | 1803 | } |
bogdanm | 0:9b334a45a8ff | 1804 | |
bogdanm | 0:9b334a45a8ff | 1805 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 1806 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1807 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1808 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1809 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1810 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1811 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1812 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1813 | |
bogdanm | 0:9b334a45a8ff | 1814 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1815 | } |
bogdanm | 0:9b334a45a8ff | 1816 | } |
bogdanm | 0:9b334a45a8ff | 1817 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 1818 | /* GCM/GMAC payload phase */ |
bogdanm | 0:9b334a45a8ff | 1819 | /*========================*/ |
bogdanm | 0:9b334a45a8ff | 1820 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCM_PAYLOAD_PHASE) |
bogdanm | 0:9b334a45a8ff | 1821 | { |
bogdanm | 0:9b334a45a8ff | 1822 | /* Get the last output data address */ |
bogdanm | 0:9b334a45a8ff | 1823 | outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1824 | |
bogdanm | 0:9b334a45a8ff | 1825 | /* Retrieve the last block available from the CRYP hardware block: |
bogdanm | 0:9b334a45a8ff | 1826 | read the output block from the Data Output Register */ |
bogdanm | 0:9b334a45a8ff | 1827 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1828 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1829 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1830 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1831 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1832 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1833 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1834 | |
bogdanm | 0:9b334a45a8ff | 1835 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 1836 | hcryp->pCrypOutBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 1837 | hcryp->CrypOutCount -= 16; |
bogdanm | 0:9b334a45a8ff | 1838 | |
bogdanm | 0:9b334a45a8ff | 1839 | /* Check if all output text has been retrieved */ |
bogdanm | 0:9b334a45a8ff | 1840 | if (hcryp->CrypOutCount == 0) |
bogdanm | 0:9b334a45a8ff | 1841 | { |
bogdanm | 0:9b334a45a8ff | 1842 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1843 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1844 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1845 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1846 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1847 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1848 | /* Mark that the payload phase is over */ |
bogdanm | 0:9b334a45a8ff | 1849 | hcryp->Phase = HAL_CRYP_PHASE_PAYLOAD_OVER; |
bogdanm | 0:9b334a45a8ff | 1850 | |
bogdanm | 0:9b334a45a8ff | 1851 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1852 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1853 | |
bogdanm | 0:9b334a45a8ff | 1854 | /* Call computation complete callback */ |
bogdanm | 0:9b334a45a8ff | 1855 | HAL_CRYPEx_ComputationCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1856 | |
bogdanm | 0:9b334a45a8ff | 1857 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1858 | } |
bogdanm | 0:9b334a45a8ff | 1859 | /* If suspension flag has been raised, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 1860 | else if (hcryp->SuspendRequest == HAL_CRYP_SUSPEND) |
bogdanm | 0:9b334a45a8ff | 1861 | { |
bogdanm | 0:9b334a45a8ff | 1862 | if (hcryp->Init.OperatingMode == CRYP_ALGOMODE_ENCRYPT) |
bogdanm | 0:9b334a45a8ff | 1863 | { |
bogdanm | 0:9b334a45a8ff | 1864 | /* Ensure that Busy flag is reset */ |
bogdanm | 0:9b334a45a8ff | 1865 | if(CRYP_WaitOnBusyFlagReset(hcryp, CRYP_BUSY_TIMEOUTVALUE) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1866 | { |
bogdanm | 0:9b334a45a8ff | 1867 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1868 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1869 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1870 | } |
bogdanm | 0:9b334a45a8ff | 1871 | } |
bogdanm | 0:9b334a45a8ff | 1872 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 1873 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1874 | |
bogdanm | 0:9b334a45a8ff | 1875 | /* reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 1876 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 1877 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1878 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1879 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1880 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 1881 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 1882 | hcryp->Phase = HAL_CRYP_PHASE_HEADER_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 1883 | |
bogdanm | 0:9b334a45a8ff | 1884 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1885 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1886 | |
bogdanm | 0:9b334a45a8ff | 1887 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1888 | } |
bogdanm | 0:9b334a45a8ff | 1889 | else /* Output data are still expected, carry on feeding the CRYP |
bogdanm | 0:9b334a45a8ff | 1890 | hardware block with input data */ |
bogdanm | 0:9b334a45a8ff | 1891 | { |
bogdanm | 0:9b334a45a8ff | 1892 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1893 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1894 | /* Get the last Input data address */ |
bogdanm | 0:9b334a45a8ff | 1895 | inputaddr = (uint32_t)hcryp->pCrypInBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1896 | |
bogdanm | 0:9b334a45a8ff | 1897 | /* Increment/decrement instance pointer/counter */ |
bogdanm | 0:9b334a45a8ff | 1898 | hcryp->pCrypInBuffPtr += 16; |
bogdanm | 0:9b334a45a8ff | 1899 | hcryp->CrypInCount -= 16; |
bogdanm | 0:9b334a45a8ff | 1900 | |
bogdanm | 0:9b334a45a8ff | 1901 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 1902 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1903 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1904 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1905 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1906 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1907 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1908 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 1909 | |
bogdanm | 0:9b334a45a8ff | 1910 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1911 | } |
bogdanm | 0:9b334a45a8ff | 1912 | } |
bogdanm | 0:9b334a45a8ff | 1913 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1914 | /* GCM/GMAC or CMAC final phase */ |
bogdanm | 0:9b334a45a8ff | 1915 | /*==============================*/ |
bogdanm | 0:9b334a45a8ff | 1916 | else if (hcryp->Init.GCMCMACPhase == CRYP_GCMCMAC_FINAL_PHASE) |
bogdanm | 0:9b334a45a8ff | 1917 | { |
bogdanm | 0:9b334a45a8ff | 1918 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1919 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1920 | |
bogdanm | 0:9b334a45a8ff | 1921 | /* Get the last output data address */ |
bogdanm | 0:9b334a45a8ff | 1922 | outputaddr = (uint32_t)hcryp->pCrypOutBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1923 | |
bogdanm | 0:9b334a45a8ff | 1924 | /* Retrieve the last expected data from the CRYP hardware block: |
bogdanm | 0:9b334a45a8ff | 1925 | read the output block from the Data Output Register */ |
bogdanm | 0:9b334a45a8ff | 1926 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1927 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1928 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1929 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1930 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1931 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 1932 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 1933 | |
bogdanm | 0:9b334a45a8ff | 1934 | /* Disable Computation Complete Flag and Errors Interrupts */ |
bogdanm | 0:9b334a45a8ff | 1935 | __HAL_CRYP_DISABLE_IT(CRYP_IT_CCFIE|CRYP_IT_ERRIE); |
bogdanm | 0:9b334a45a8ff | 1936 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 1937 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1938 | /* Mark that the header phase is over */ |
bogdanm | 0:9b334a45a8ff | 1939 | hcryp->Phase = HAL_CRYP_PHASE_FINAL_OVER; |
bogdanm | 0:9b334a45a8ff | 1940 | |
bogdanm | 0:9b334a45a8ff | 1941 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 1942 | __HAL_CRYP_DISABLE(); |
bogdanm | 0:9b334a45a8ff | 1943 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1944 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1945 | |
bogdanm | 0:9b334a45a8ff | 1946 | /* Call computation complete callback */ |
bogdanm | 0:9b334a45a8ff | 1947 | HAL_CRYPEx_ComputationCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 1948 | |
bogdanm | 0:9b334a45a8ff | 1949 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1950 | } |
bogdanm | 0:9b334a45a8ff | 1951 | else |
bogdanm | 0:9b334a45a8ff | 1952 | { |
bogdanm | 0:9b334a45a8ff | 1953 | /* Clear Computation Complete Flag */ |
bogdanm | 0:9b334a45a8ff | 1954 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 1955 | hcryp->State = HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 1956 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 1957 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1958 | } |
bogdanm | 0:9b334a45a8ff | 1959 | } |
bogdanm | 0:9b334a45a8ff | 1960 | else |
bogdanm | 0:9b334a45a8ff | 1961 | { |
bogdanm | 0:9b334a45a8ff | 1962 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1963 | } |
bogdanm | 0:9b334a45a8ff | 1964 | } |
bogdanm | 0:9b334a45a8ff | 1965 | |
bogdanm | 0:9b334a45a8ff | 1966 | |
bogdanm | 0:9b334a45a8ff | 1967 | |
bogdanm | 0:9b334a45a8ff | 1968 | /** |
bogdanm | 0:9b334a45a8ff | 1969 | * @brief Set the DMA configuration and start the DMA transfer |
bogdanm | 0:9b334a45a8ff | 1970 | * for GCM, GMAC or CMAC chainging modes. |
bogdanm | 0:9b334a45a8ff | 1971 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1972 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 1973 | * @param inputaddr: Address of the Input buffer. |
bogdanm | 0:9b334a45a8ff | 1974 | * @param Size: Size of the Input buffer un bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 1975 | * @param outputaddr: Address of the Output buffer, null pointer when no output DMA stream |
bogdanm | 0:9b334a45a8ff | 1976 | * has to be configured. |
bogdanm | 0:9b334a45a8ff | 1977 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1978 | */ |
bogdanm | 0:9b334a45a8ff | 1979 | static void CRYP_GCMCMAC_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr) |
bogdanm | 0:9b334a45a8ff | 1980 | { |
bogdanm | 0:9b334a45a8ff | 1981 | |
bogdanm | 0:9b334a45a8ff | 1982 | /* Set the input CRYP DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1983 | hcryp->hdmain->XferCpltCallback = CRYP_GCMCMAC_DMAInCplt; |
bogdanm | 0:9b334a45a8ff | 1984 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 1985 | hcryp->hdmain->XferErrorCallback = CRYP_GCMCMAC_DMAError; |
bogdanm | 0:9b334a45a8ff | 1986 | |
bogdanm | 0:9b334a45a8ff | 1987 | if (outputaddr != 0) |
bogdanm | 0:9b334a45a8ff | 1988 | { |
bogdanm | 0:9b334a45a8ff | 1989 | /* Set the output CRYP DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1990 | hcryp->hdmaout->XferCpltCallback = CRYP_GCMCMAC_DMAOutCplt; |
bogdanm | 0:9b334a45a8ff | 1991 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 1992 | hcryp->hdmaout->XferErrorCallback = CRYP_GCMCMAC_DMAError; |
bogdanm | 0:9b334a45a8ff | 1993 | } |
bogdanm | 0:9b334a45a8ff | 1994 | |
bogdanm | 0:9b334a45a8ff | 1995 | /* Enable the CRYP peripheral */ |
bogdanm | 0:9b334a45a8ff | 1996 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 1997 | |
bogdanm | 0:9b334a45a8ff | 1998 | /* Enable the DMA input stream */ |
bogdanm | 0:9b334a45a8ff | 1999 | HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DINR, Size/4); |
bogdanm | 0:9b334a45a8ff | 2000 | |
bogdanm | 0:9b334a45a8ff | 2001 | /* Enable the DMA input request */ |
bogdanm | 0:9b334a45a8ff | 2002 | SET_BIT(hcryp->Instance->CR, AES_CR_DMAINEN); |
bogdanm | 0:9b334a45a8ff | 2003 | |
bogdanm | 0:9b334a45a8ff | 2004 | |
bogdanm | 0:9b334a45a8ff | 2005 | if (outputaddr != 0) |
bogdanm | 0:9b334a45a8ff | 2006 | { |
bogdanm | 0:9b334a45a8ff | 2007 | /* Enable the DMA output stream */ |
bogdanm | 0:9b334a45a8ff | 2008 | HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUTR, outputaddr, Size/4); |
bogdanm | 0:9b334a45a8ff | 2009 | |
bogdanm | 0:9b334a45a8ff | 2010 | /* Enable the DMA output request */ |
bogdanm | 0:9b334a45a8ff | 2011 | SET_BIT(hcryp->Instance->CR, AES_CR_DMAOUTEN); |
bogdanm | 0:9b334a45a8ff | 2012 | } |
bogdanm | 0:9b334a45a8ff | 2013 | } |
bogdanm | 0:9b334a45a8ff | 2014 | |
bogdanm | 0:9b334a45a8ff | 2015 | |
bogdanm | 0:9b334a45a8ff | 2016 | |
bogdanm | 0:9b334a45a8ff | 2017 | /** |
bogdanm | 0:9b334a45a8ff | 2018 | * @brief Write/read input/output data in polling mode. |
bogdanm | 0:9b334a45a8ff | 2019 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 2020 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 2021 | * @param Input: Pointer to the Input buffer. |
bogdanm | 0:9b334a45a8ff | 2022 | * @param Ilength: Length of the Input buffer in bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 2023 | * @param Output: Pointer to the returned buffer. |
bogdanm | 0:9b334a45a8ff | 2024 | * @param Timeout: Specify Timeout value. |
bogdanm | 0:9b334a45a8ff | 2025 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 2026 | */ |
bogdanm | 0:9b334a45a8ff | 2027 | static HAL_StatusTypeDef CRYP_ProcessData(CRYP_HandleTypeDef *hcryp, uint8_t* Input, uint16_t Ilength, uint8_t* Output, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 2028 | { |
bogdanm | 0:9b334a45a8ff | 2029 | uint32_t index = 0; |
bogdanm | 0:9b334a45a8ff | 2030 | uint32_t inputaddr = (uint32_t)Input; |
bogdanm | 0:9b334a45a8ff | 2031 | uint32_t outputaddr = (uint32_t)Output; |
bogdanm | 0:9b334a45a8ff | 2032 | |
bogdanm | 0:9b334a45a8ff | 2033 | |
bogdanm | 0:9b334a45a8ff | 2034 | for(index=0; (index < Ilength); index += 16) |
bogdanm | 0:9b334a45a8ff | 2035 | { |
bogdanm | 0:9b334a45a8ff | 2036 | /* Write the Input block in the Data Input register */ |
bogdanm | 0:9b334a45a8ff | 2037 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 2038 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2039 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 2040 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2041 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 2042 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2043 | hcryp->Instance->DINR = *(uint32_t*)(inputaddr); |
bogdanm | 0:9b334a45a8ff | 2044 | inputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2045 | |
bogdanm | 0:9b334a45a8ff | 2046 | /* Wait for CCF flag to be raised */ |
bogdanm | 0:9b334a45a8ff | 2047 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 2048 | { |
bogdanm | 0:9b334a45a8ff | 2049 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 2050 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 2051 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 2052 | } |
bogdanm | 0:9b334a45a8ff | 2053 | |
bogdanm | 0:9b334a45a8ff | 2054 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 2055 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 2056 | |
bogdanm | 0:9b334a45a8ff | 2057 | /* Read the Output block from the Data Output Register */ |
bogdanm | 0:9b334a45a8ff | 2058 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 2059 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2060 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 2061 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2062 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 2063 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2064 | *(uint32_t*)(outputaddr) = hcryp->Instance->DOUTR; |
bogdanm | 0:9b334a45a8ff | 2065 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2066 | |
bogdanm | 0:9b334a45a8ff | 2067 | /* If the suspension flag has been raised and if the processing is not about |
bogdanm | 0:9b334a45a8ff | 2068 | to end, suspend processing */ |
bogdanm | 0:9b334a45a8ff | 2069 | if ((hcryp->SuspendRequest == HAL_CRYP_SUSPEND) && ((index+16) < Ilength)) |
bogdanm | 0:9b334a45a8ff | 2070 | { |
bogdanm | 0:9b334a45a8ff | 2071 | /* Reset SuspendRequest */ |
bogdanm | 0:9b334a45a8ff | 2072 | hcryp->SuspendRequest = HAL_CRYP_SUSPEND_NONE; |
bogdanm | 0:9b334a45a8ff | 2073 | |
bogdanm | 0:9b334a45a8ff | 2074 | /* Save current reading and writing locations of Input and Output buffers */ |
bogdanm | 0:9b334a45a8ff | 2075 | hcryp->pCrypOutBuffPtr = (uint8_t *)outputaddr; |
bogdanm | 0:9b334a45a8ff | 2076 | hcryp->pCrypInBuffPtr = (uint8_t *)inputaddr; |
bogdanm | 0:9b334a45a8ff | 2077 | /* Save the number of bytes that remain to be processed at this point */ |
bogdanm | 0:9b334a45a8ff | 2078 | hcryp->CrypInCount = Ilength - (index+16); |
bogdanm | 0:9b334a45a8ff | 2079 | |
bogdanm | 0:9b334a45a8ff | 2080 | /* Change the CRYP state */ |
bogdanm | 0:9b334a45a8ff | 2081 | hcryp->State = HAL_CRYP_STATE_SUSPENDED; |
bogdanm | 0:9b334a45a8ff | 2082 | |
bogdanm | 0:9b334a45a8ff | 2083 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 2084 | } |
bogdanm | 0:9b334a45a8ff | 2085 | |
bogdanm | 0:9b334a45a8ff | 2086 | |
bogdanm | 0:9b334a45a8ff | 2087 | } |
bogdanm | 0:9b334a45a8ff | 2088 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 2089 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 2090 | |
bogdanm | 0:9b334a45a8ff | 2091 | } |
bogdanm | 0:9b334a45a8ff | 2092 | |
bogdanm | 0:9b334a45a8ff | 2093 | |
bogdanm | 0:9b334a45a8ff | 2094 | |
bogdanm | 0:9b334a45a8ff | 2095 | |
bogdanm | 0:9b334a45a8ff | 2096 | |
bogdanm | 0:9b334a45a8ff | 2097 | /** |
bogdanm | 0:9b334a45a8ff | 2098 | * @brief Read derivative key in polling mode when CRYP hardware block is set |
bogdanm | 0:9b334a45a8ff | 2099 | * in key derivation operating mode (mode 2). |
bogdanm | 0:9b334a45a8ff | 2100 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 2101 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 2102 | * @param Output: Pointer to the returned buffer. |
bogdanm | 0:9b334a45a8ff | 2103 | * @param Timeout: Specify Timeout value. |
bogdanm | 0:9b334a45a8ff | 2104 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 2105 | */ |
bogdanm | 0:9b334a45a8ff | 2106 | static HAL_StatusTypeDef CRYP_ReadKey(CRYP_HandleTypeDef *hcryp, uint8_t* Output, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 2107 | { |
bogdanm | 0:9b334a45a8ff | 2108 | uint32_t outputaddr = (uint32_t)Output; |
bogdanm | 0:9b334a45a8ff | 2109 | |
bogdanm | 0:9b334a45a8ff | 2110 | /* Wait for CCF flag to be raised */ |
bogdanm | 0:9b334a45a8ff | 2111 | if(CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 2112 | { |
bogdanm | 0:9b334a45a8ff | 2113 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 2114 | __HAL_UNLOCK(hcryp); |
bogdanm | 0:9b334a45a8ff | 2115 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 2116 | } |
bogdanm | 0:9b334a45a8ff | 2117 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 2118 | __HAL_CRYP_CLEAR_FLAG( CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 2119 | |
bogdanm | 0:9b334a45a8ff | 2120 | /* Read the derivative key from the AES_KEYRx registers */ |
bogdanm | 0:9b334a45a8ff | 2121 | if (hcryp->Init.KeySize == CRYP_KEYSIZE_256B) |
bogdanm | 0:9b334a45a8ff | 2122 | { |
bogdanm | 0:9b334a45a8ff | 2123 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR7); |
bogdanm | 0:9b334a45a8ff | 2124 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2125 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR6); |
bogdanm | 0:9b334a45a8ff | 2126 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2127 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR5); |
bogdanm | 0:9b334a45a8ff | 2128 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2129 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR4); |
bogdanm | 0:9b334a45a8ff | 2130 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2131 | } |
bogdanm | 0:9b334a45a8ff | 2132 | |
bogdanm | 0:9b334a45a8ff | 2133 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR3); |
bogdanm | 0:9b334a45a8ff | 2134 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2135 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR2); |
bogdanm | 0:9b334a45a8ff | 2136 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2137 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR1); |
bogdanm | 0:9b334a45a8ff | 2138 | outputaddr+=4; |
bogdanm | 0:9b334a45a8ff | 2139 | *(uint32_t*)(outputaddr) = __REV(hcryp->Instance->KEYR0); |
bogdanm | 0:9b334a45a8ff | 2140 | |
bogdanm | 0:9b334a45a8ff | 2141 | |
bogdanm | 0:9b334a45a8ff | 2142 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 2143 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 2144 | } |
bogdanm | 0:9b334a45a8ff | 2145 | |
bogdanm | 0:9b334a45a8ff | 2146 | /** |
bogdanm | 0:9b334a45a8ff | 2147 | * @brief Set the DMA configuration and start the DMA transfer. |
bogdanm | 0:9b334a45a8ff | 2148 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 2149 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 2150 | * @param inputaddr: Address of the Input buffer. |
bogdanm | 0:9b334a45a8ff | 2151 | * @param Size: Size of the Input buffer in bytes, must be a multiple of 16. |
bogdanm | 0:9b334a45a8ff | 2152 | * @param outputaddr: Address of the Output buffer. |
bogdanm | 0:9b334a45a8ff | 2153 | * @retval None |
bogdanm | 0:9b334a45a8ff | 2154 | */ |
bogdanm | 0:9b334a45a8ff | 2155 | static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr) |
bogdanm | 0:9b334a45a8ff | 2156 | { |
bogdanm | 0:9b334a45a8ff | 2157 | /* Set the CRYP DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 2158 | hcryp->hdmain->XferCpltCallback = CRYP_DMAInCplt; |
bogdanm | 0:9b334a45a8ff | 2159 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 2160 | hcryp->hdmain->XferErrorCallback = CRYP_DMAError; |
bogdanm | 0:9b334a45a8ff | 2161 | |
bogdanm | 0:9b334a45a8ff | 2162 | /* Set the CRYP DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 2163 | hcryp->hdmaout->XferCpltCallback = CRYP_DMAOutCplt; |
bogdanm | 0:9b334a45a8ff | 2164 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 2165 | hcryp->hdmaout->XferErrorCallback = CRYP_DMAError; |
bogdanm | 0:9b334a45a8ff | 2166 | |
bogdanm | 0:9b334a45a8ff | 2167 | /* Enable the DMA input stream */ |
bogdanm | 0:9b334a45a8ff | 2168 | HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DINR, Size/4); |
bogdanm | 0:9b334a45a8ff | 2169 | |
bogdanm | 0:9b334a45a8ff | 2170 | /* Enable the DMA output stream */ |
bogdanm | 0:9b334a45a8ff | 2171 | HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUTR, outputaddr, Size/4); |
bogdanm | 0:9b334a45a8ff | 2172 | |
bogdanm | 0:9b334a45a8ff | 2173 | /* Enable In and Out DMA requests */ |
bogdanm | 0:9b334a45a8ff | 2174 | SET_BIT(hcryp->Instance->CR, (AES_CR_DMAINEN | AES_CR_DMAOUTEN)); |
bogdanm | 0:9b334a45a8ff | 2175 | |
bogdanm | 0:9b334a45a8ff | 2176 | /* Enable the CRYP peripheral */ |
bogdanm | 0:9b334a45a8ff | 2177 | __HAL_CRYP_ENABLE(); |
bogdanm | 0:9b334a45a8ff | 2178 | } |
bogdanm | 0:9b334a45a8ff | 2179 | |
bogdanm | 0:9b334a45a8ff | 2180 | |
bogdanm | 0:9b334a45a8ff | 2181 | /** |
bogdanm | 0:9b334a45a8ff | 2182 | * @brief Handle CRYP hardware block Timeout when waiting for CCF flag to be raised. |
bogdanm | 0:9b334a45a8ff | 2183 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 2184 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 2185 | * @param Timeout: Timeout duration. |
bogdanm | 0:9b334a45a8ff | 2186 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 2187 | */ |
bogdanm | 0:9b334a45a8ff | 2188 | static HAL_StatusTypeDef CRYP_WaitOnCCFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 2189 | { |
bogdanm | 0:9b334a45a8ff | 2190 | uint32_t tickstart = 0; |
bogdanm | 0:9b334a45a8ff | 2191 | |
bogdanm | 0:9b334a45a8ff | 2192 | /* Get timeout */ |
bogdanm | 0:9b334a45a8ff | 2193 | tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 2194 | |
bogdanm | 0:9b334a45a8ff | 2195 | while(HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF)) |
bogdanm | 0:9b334a45a8ff | 2196 | { |
bogdanm | 0:9b334a45a8ff | 2197 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 2198 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 2199 | { |
bogdanm | 0:9b334a45a8ff | 2200 | if((HAL_GetTick() - tickstart ) > Timeout) |
bogdanm | 0:9b334a45a8ff | 2201 | { |
bogdanm | 0:9b334a45a8ff | 2202 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 2203 | } |
bogdanm | 0:9b334a45a8ff | 2204 | } |
bogdanm | 0:9b334a45a8ff | 2205 | } |
bogdanm | 0:9b334a45a8ff | 2206 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 2207 | } |
bogdanm | 0:9b334a45a8ff | 2208 | |
bogdanm | 0:9b334a45a8ff | 2209 | /** |
bogdanm | 0:9b334a45a8ff | 2210 | * @brief Wait for Busy Flag to be reset during a GCM payload encryption process suspension. |
bogdanm | 0:9b334a45a8ff | 2211 | * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 2212 | * the configuration information for CRYP module. |
bogdanm | 0:9b334a45a8ff | 2213 | * @param Timeout: Timeout duration. |
bogdanm | 0:9b334a45a8ff | 2214 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 2215 | */ |
bogdanm | 0:9b334a45a8ff | 2216 | static HAL_StatusTypeDef CRYP_WaitOnBusyFlagReset(CRYP_HandleTypeDef *hcryp, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 2217 | { |
bogdanm | 0:9b334a45a8ff | 2218 | uint32_t tickstart = 0; |
bogdanm | 0:9b334a45a8ff | 2219 | |
bogdanm | 0:9b334a45a8ff | 2220 | /* Get timeout */ |
bogdanm | 0:9b334a45a8ff | 2221 | tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 2222 | |
bogdanm | 0:9b334a45a8ff | 2223 | while(HAL_IS_BIT_SET(hcryp->Instance->SR, AES_SR_BUSY)) |
bogdanm | 0:9b334a45a8ff | 2224 | { |
bogdanm | 0:9b334a45a8ff | 2225 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 2226 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 2227 | { |
bogdanm | 0:9b334a45a8ff | 2228 | if((HAL_GetTick() - tickstart ) > Timeout) |
bogdanm | 0:9b334a45a8ff | 2229 | { |
bogdanm | 0:9b334a45a8ff | 2230 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 2231 | } |
bogdanm | 0:9b334a45a8ff | 2232 | } |
bogdanm | 0:9b334a45a8ff | 2233 | } |
bogdanm | 0:9b334a45a8ff | 2234 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 2235 | } |
bogdanm | 0:9b334a45a8ff | 2236 | |
bogdanm | 0:9b334a45a8ff | 2237 | |
bogdanm | 0:9b334a45a8ff | 2238 | /** |
bogdanm | 0:9b334a45a8ff | 2239 | * @brief DMA CRYP Input Data process complete callback. |
bogdanm | 0:9b334a45a8ff | 2240 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 2241 | * @retval None |
bogdanm | 0:9b334a45a8ff | 2242 | */ |
bogdanm | 0:9b334a45a8ff | 2243 | static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 2244 | { |
bogdanm | 0:9b334a45a8ff | 2245 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 2246 | |
bogdanm | 0:9b334a45a8ff | 2247 | /* Disable the DMA transfer for input request */ |
bogdanm | 0:9b334a45a8ff | 2248 | CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAINEN); |
bogdanm | 0:9b334a45a8ff | 2249 | |
bogdanm | 0:9b334a45a8ff | 2250 | /* Call input data transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 2251 | HAL_CRYP_InCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 2252 | } |
bogdanm | 0:9b334a45a8ff | 2253 | |
bogdanm | 0:9b334a45a8ff | 2254 | /** |
bogdanm | 0:9b334a45a8ff | 2255 | * @brief DMA CRYP Output Data process complete callback. |
bogdanm | 0:9b334a45a8ff | 2256 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 2257 | * @retval None |
bogdanm | 0:9b334a45a8ff | 2258 | */ |
bogdanm | 0:9b334a45a8ff | 2259 | static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 2260 | { |
bogdanm | 0:9b334a45a8ff | 2261 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 2262 | |
bogdanm | 0:9b334a45a8ff | 2263 | /* Disable the DMA transfer for output request */ |
bogdanm | 0:9b334a45a8ff | 2264 | CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAOUTEN); |
bogdanm | 0:9b334a45a8ff | 2265 | |
bogdanm | 0:9b334a45a8ff | 2266 | /* Clear CCF Flag */ |
bogdanm | 0:9b334a45a8ff | 2267 | __HAL_CRYP_CLEAR_FLAG(CRYP_CCF_CLEAR); |
bogdanm | 0:9b334a45a8ff | 2268 | |
bogdanm | 0:9b334a45a8ff | 2269 | /* Disable CRYP */ |
bogdanm | 0:9b334a45a8ff | 2270 | __HAL_CRYP_DISABLE(); |
bogdanm | 0:9b334a45a8ff | 2271 | |
bogdanm | 0:9b334a45a8ff | 2272 | /* Change the CRYP state to ready */ |
bogdanm | 0:9b334a45a8ff | 2273 | hcryp->State = HAL_CRYP_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 2274 | |
bogdanm | 0:9b334a45a8ff | 2275 | /* Call output data transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 2276 | HAL_CRYP_OutCpltCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 2277 | } |
bogdanm | 0:9b334a45a8ff | 2278 | |
bogdanm | 0:9b334a45a8ff | 2279 | /** |
bogdanm | 0:9b334a45a8ff | 2280 | * @brief DMA CRYP communication error callback. |
bogdanm | 0:9b334a45a8ff | 2281 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 2282 | * @retval None |
bogdanm | 0:9b334a45a8ff | 2283 | */ |
bogdanm | 0:9b334a45a8ff | 2284 | static void CRYP_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 2285 | { |
bogdanm | 0:9b334a45a8ff | 2286 | CRYP_HandleTypeDef* hcryp = (CRYP_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 2287 | |
bogdanm | 0:9b334a45a8ff | 2288 | hcryp->State= HAL_CRYP_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 2289 | hcryp->ErrorCode |= HAL_CRYP_DMA_ERROR; |
bogdanm | 0:9b334a45a8ff | 2290 | HAL_CRYP_ErrorCallback(hcryp); |
bogdanm | 0:9b334a45a8ff | 2291 | /* Clear Error Flag */ |
bogdanm | 0:9b334a45a8ff | 2292 | __HAL_CRYP_CLEAR_FLAG(CRYP_ERR_CLEAR); |
bogdanm | 0:9b334a45a8ff | 2293 | } |
bogdanm | 0:9b334a45a8ff | 2294 | |
bogdanm | 0:9b334a45a8ff | 2295 | |
bogdanm | 0:9b334a45a8ff | 2296 | /** |
bogdanm | 0:9b334a45a8ff | 2297 | * @} |
bogdanm | 0:9b334a45a8ff | 2298 | */ |
bogdanm | 0:9b334a45a8ff | 2299 | |
bogdanm | 0:9b334a45a8ff | 2300 | /** |
bogdanm | 0:9b334a45a8ff | 2301 | * @} |
bogdanm | 0:9b334a45a8ff | 2302 | */ |
bogdanm | 0:9b334a45a8ff | 2303 | |
bogdanm | 0:9b334a45a8ff | 2304 | /** |
bogdanm | 0:9b334a45a8ff | 2305 | * @} |
bogdanm | 0:9b334a45a8ff | 2306 | */ |
bogdanm | 0:9b334a45a8ff | 2307 | |
bogdanm | 0:9b334a45a8ff | 2308 | #endif /* defined(STM32L485xx) || defined(STM32L486xx) */ |
bogdanm | 0:9b334a45a8ff | 2309 | |
bogdanm | 0:9b334a45a8ff | 2310 | #endif /* HAL_CRYP_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 2311 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |