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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_hash.c @ 493:b560e474e319
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author | Ideenmodellierer |
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date | Mon, 24 Aug 2020 19:36:18 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_hash.c |
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4 * @author MCD Application Team |
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5 * @brief HASH HAL module driver. |
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6 * This file provides firmware functions to manage the following |
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7 * functionalities of the HASH peripheral: |
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8 * + Initialization and de-initialization functions |
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9 * + HASH/HMAC Processing functions by algorithm using polling mode |
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10 * + HASH/HMAC functions by algorithm using interrupt mode |
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11 * + HASH/HMAC functions by algorithm using DMA mode |
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12 * + Peripheral State functions |
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13 * |
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14 @verbatim |
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15 ============================================================================== |
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16 ##### How to use this driver ##### |
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17 ============================================================================== |
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18 [..] |
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19 The HASH HAL driver can be used as follows: |
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20 (#)Initialize the HASH low level resources by implementing the HAL_HASH_MspInit(): |
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21 (##) Enable the HASH interface clock using __HAL_RCC_HASH_CLK_ENABLE() |
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22 (##) In case of using processing APIs based on interrupts (e.g. HAL_HMAC_SHA1_Start_IT()) |
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23 (+++) Configure the HASH interrupt priority using HAL_NVIC_SetPriority() |
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24 (+++) Enable the HASH IRQ handler using HAL_NVIC_EnableIRQ() |
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25 (+++) In HASH IRQ handler, call HAL_HASH_IRQHandler() |
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26 (##) In case of using DMA to control data transfer (e.g. HAL_HMAC_SHA1_Start_DMA()) |
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27 (+++) Enable the DMAx interface clock using __DMAx_CLK_ENABLE() |
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28 (+++) Configure and enable one DMA stream one for managing data transfer from |
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29 memory to peripheral (input stream). Managing data transfer from |
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30 peripheral to memory can be performed only using CPU |
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31 (+++) Associate the initialized DMA handle to the HASH DMA handle |
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32 using __HAL_LINKDMA() |
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33 (+++) Configure the priority and enable the NVIC for the transfer complete |
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34 interrupt on the DMA Stream using HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ() |
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35 (#)Initialize the HASH HAL using HAL_HASH_Init(). This function configures mainly: |
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36 (##) The data type: 1-bit, 8-bit, 16-bit and 32-bit. |
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37 (##) For HMAC, the encryption key. |
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38 (##) For HMAC, the key size used for encryption. |
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39 (#)Three processing functions are available: |
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40 (##) Polling mode: processing APIs are blocking functions |
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41 i.e. they process the data and wait till the digest computation is finished |
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42 e.g. HAL_HASH_SHA1_Start() |
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43 (##) Interrupt mode: encryption and decryption APIs are not blocking functions |
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44 i.e. they process the data under interrupt |
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45 e.g. HAL_HASH_SHA1_Start_IT() |
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46 (##) DMA mode: processing APIs are not blocking functions and the CPU is |
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47 not used for data transfer i.e. the data transfer is ensured by DMA |
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48 e.g. HAL_HASH_SHA1_Start_DMA() |
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49 (#)When the processing function is called at first time after HAL_HASH_Init() |
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50 the HASH peripheral is initialized and processes the buffer in input. |
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51 After that, the digest computation is started. |
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52 When processing multi-buffer use the accumulate function to write the |
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53 data in the peripheral without starting the digest computation. In last |
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54 buffer use the start function to input the last buffer ans start the digest |
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55 computation. |
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56 (##) e.g. HAL_HASH_SHA1_Accumulate() : write 1st data buffer in the peripheral without starting the digest computation |
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57 (##) write (n-1)th data buffer in the peripheral without starting the digest computation |
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58 (##) HAL_HASH_SHA1_Start() : write (n)th data buffer in the peripheral and start the digest computation |
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59 (#)In HMAC mode, there is no Accumulate API. Only Start API is available. |
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60 (#)In case of using DMA, call the DMA start processing e.g. HAL_HASH_SHA1_Start_DMA(). |
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61 After that, call the finish function in order to get the digest value |
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62 e.g. HAL_HASH_SHA1_Finish() |
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63 (#)Call HAL_HASH_DeInit() to deinitialize the HASH peripheral. |
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64 |
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65 @endverbatim |
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66 ****************************************************************************** |
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67 * @attention |
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68 * |
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69 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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70 * |
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71 * Redistribution and use in source and binary forms, with or without modification, |
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72 * are permitted provided that the following conditions are met: |
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73 * 1. Redistributions of source code must retain the above copyright notice, |
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74 * this list of conditions and the following disclaimer. |
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75 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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76 * this list of conditions and the following disclaimer in the documentation |
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77 * and/or other materials provided with the distribution. |
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78 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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79 * may be used to endorse or promote products derived from this software |
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80 * without specific prior written permission. |
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81 * |
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82 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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83 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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84 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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85 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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86 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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87 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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88 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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89 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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90 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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91 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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92 * |
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93 ****************************************************************************** |
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94 */ |
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95 |
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96 /* Includes ------------------------------------------------------------------*/ |
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97 #include "stm32f4xx_hal.h" |
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98 |
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99 /** @addtogroup STM32F4xx_HAL_Driver |
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100 * @{ |
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101 */ |
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102 |
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103 /** @defgroup HASH HASH |
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104 * @brief HASH HAL module driver. |
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105 * @{ |
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106 */ |
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107 |
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108 #ifdef HAL_HASH_MODULE_ENABLED |
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109 |
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110 #if defined(STM32F415xx) || defined(STM32F417xx) || defined(STM32F437xx) || defined(STM32F439xx) || defined(STM32F479xx) |
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111 |
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112 /* Private typedef -----------------------------------------------------------*/ |
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113 /* Private define ------------------------------------------------------------*/ |
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114 /* Private macro -------------------------------------------------------------*/ |
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115 /* Private variables ---------------------------------------------------------*/ |
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116 /* Private function prototypes -----------------------------------------------*/ |
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117 /** @defgroup HASH_Private_Functions HASH Private Functions |
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118 * @{ |
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119 */ |
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120 static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma); |
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121 static void HASH_DMAError(DMA_HandleTypeDef *hdma); |
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122 static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size); |
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123 static void HASH_WriteData(uint8_t *pInBuffer, uint32_t Size); |
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124 /** |
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125 * @} |
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126 */ |
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127 |
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128 /* Private functions ---------------------------------------------------------*/ |
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129 /** @addtogroup HASH_Private_Functions |
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130 * @{ |
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131 */ |
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132 |
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133 /** |
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134 * @brief DMA HASH Input Data complete callback. |
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135 * @param hdma DMA handle |
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136 * @retval None |
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137 */ |
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138 static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma) |
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139 { |
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140 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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141 uint32_t inputaddr = 0U; |
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142 uint32_t buffersize = 0U; |
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143 |
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144 if((HASH->CR & HASH_CR_MODE) != HASH_CR_MODE) |
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145 { |
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146 /* Disable the DMA transfer */ |
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147 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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148 |
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149 /* Change HASH peripheral state */ |
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150 hhash->State = HAL_HASH_STATE_READY; |
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151 |
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152 /* Call Input data transfer complete callback */ |
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153 HAL_HASH_InCpltCallback(hhash); |
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154 } |
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155 else |
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156 { |
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157 /* Increment Interrupt counter */ |
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158 hhash->HashInCount++; |
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159 /* Disable the DMA transfer before starting the next transfer */ |
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160 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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161 |
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162 if(hhash->HashInCount <= 2U) |
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163 { |
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164 /* In case HashInCount = 1, set the DMA to transfer data to HASH DIN register */ |
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165 if(hhash->HashInCount == 1U) |
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166 { |
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167 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
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168 buffersize = hhash->HashBuffSize; |
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169 } |
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170 /* In case HashInCount = 2, set the DMA to transfer key to HASH DIN register */ |
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171 else if(hhash->HashInCount == 2U) |
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172 { |
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173 inputaddr = (uint32_t)hhash->Init.pKey; |
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174 buffersize = hhash->Init.KeySize; |
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175 } |
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176 /* Configure the number of valid bits in last word of the message */ |
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177 MODIFY_REG(HASH->STR, HASH_STR_NBLW, 8U * (buffersize % 4U)); |
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178 |
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179 /* Set the HASH DMA transfer complete */ |
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180 hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt; |
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181 |
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182 /* Enable the DMA In DMA Stream */ |
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183 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (buffersize%4U ? (buffersize+3U)/4U:buffersize/4U)); |
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184 |
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185 /* Enable DMA requests */ |
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186 HASH->CR |= (HASH_CR_DMAE); |
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187 } |
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188 else |
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189 { |
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190 /* Disable the DMA transfer */ |
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191 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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192 |
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193 /* Reset the InCount */ |
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194 hhash->HashInCount = 0U; |
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195 |
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196 /* Change HASH peripheral state */ |
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197 hhash->State = HAL_HASH_STATE_READY; |
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198 |
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199 /* Call Input data transfer complete callback */ |
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200 HAL_HASH_InCpltCallback(hhash); |
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201 } |
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202 } |
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203 } |
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204 |
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205 /** |
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206 * @brief DMA HASH communication error callback. |
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207 * @param hdma DMA handle |
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208 * @retval None |
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209 */ |
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210 static void HASH_DMAError(DMA_HandleTypeDef *hdma) |
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211 { |
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212 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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213 hhash->State= HAL_HASH_STATE_READY; |
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214 HAL_HASH_ErrorCallback(hhash); |
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215 } |
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216 |
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217 /** |
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218 * @brief Writes the input buffer in data register. |
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219 * @param pInBuffer Pointer to input buffer |
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220 * @param Size The size of input buffer |
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221 * @retval None |
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222 */ |
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223 static void HASH_WriteData(uint8_t *pInBuffer, uint32_t Size) |
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224 { |
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225 uint32_t buffercounter; |
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226 uint32_t inputaddr = (uint32_t) pInBuffer; |
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227 |
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228 for(buffercounter = 0U; buffercounter < Size; buffercounter+=4) |
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229 { |
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230 HASH->DIN = *(uint32_t*)inputaddr; |
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231 inputaddr+=4U; |
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232 } |
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233 } |
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234 |
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235 /** |
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236 * @brief Provides the message digest result. |
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237 * @param pMsgDigest Pointer to the message digest |
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238 * @param Size The size of the message digest in bytes |
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239 * @retval None |
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240 */ |
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241 static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size) |
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242 { |
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243 uint32_t msgdigest = (uint32_t)pMsgDigest; |
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244 |
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245 switch(Size) |
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246 { |
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247 case 16U: |
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248 /* Read the message digest */ |
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249 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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250 msgdigest+=4U; |
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251 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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252 msgdigest+=4U; |
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253 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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254 msgdigest+=4U; |
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255 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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256 break; |
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257 case 20U: |
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258 /* Read the message digest */ |
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259 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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260 msgdigest+=4U; |
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261 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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262 msgdigest+=4U; |
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263 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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264 msgdigest+=4U; |
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265 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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266 msgdigest+=4U; |
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267 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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268 break; |
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269 case 28U: |
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270 /* Read the message digest */ |
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271 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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272 msgdigest+=4U; |
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273 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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274 msgdigest+=4U; |
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275 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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276 msgdigest+=4U; |
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277 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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278 msgdigest+=4U; |
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279 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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280 msgdigest+=4U; |
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281 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]); |
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282 msgdigest+=4U; |
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283 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]); |
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284 break; |
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285 case 32U: |
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286 /* Read the message digest */ |
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287 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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288 msgdigest+=4U; |
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289 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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290 msgdigest+=4U; |
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291 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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292 msgdigest+=4U; |
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293 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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294 msgdigest+=4U; |
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295 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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296 msgdigest+=4U; |
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297 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]); |
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298 msgdigest+=4U; |
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299 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]); |
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300 msgdigest+=4U; |
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301 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[7U]); |
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302 break; |
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303 default: |
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304 break; |
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305 } |
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306 } |
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307 |
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308 /** |
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309 * @} |
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310 */ |
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311 |
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312 /* Exported functions --------------------------------------------------------*/ |
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313 /** @addtogroup HASH_Exported_Functions |
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314 * @{ |
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315 */ |
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316 |
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317 |
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318 /** @addtogroup HASH_Exported_Functions_Group1 Initialization and de-initialization functions |
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319 * @brief Initialization and Configuration functions. |
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320 * |
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321 @verbatim |
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322 =============================================================================== |
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323 ##### Initialization and de-initialization functions ##### |
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324 =============================================================================== |
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325 [..] This section provides functions allowing to: |
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326 (+) Initialize the HASH according to the specified parameters |
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327 in the HASH_InitTypeDef and creates the associated handle. |
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328 (+) DeInitialize the HASH peripheral. |
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329 (+) Initialize the HASH MSP. |
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330 (+) DeInitialize HASH MSP. |
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331 |
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332 @endverbatim |
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333 * @{ |
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334 */ |
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335 |
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336 /** |
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337 * @brief Initializes the HASH according to the specified parameters in the |
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338 HASH_HandleTypeDef and creates the associated handle. |
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339 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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340 * the configuration information for HASH module |
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341 * @retval HAL status |
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342 */ |
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343 HAL_StatusTypeDef HAL_HASH_Init(HASH_HandleTypeDef *hhash) |
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344 { |
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345 /* Check the hash handle allocation */ |
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346 if(hhash == NULL) |
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347 { |
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348 return HAL_ERROR; |
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349 } |
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350 |
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351 /* Check the parameters */ |
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352 assert_param(IS_HASH_DATATYPE(hhash->Init.DataType)); |
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353 |
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354 if(hhash->State == HAL_HASH_STATE_RESET) |
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355 { |
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356 /* Allocate lock resource and initialize it */ |
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357 hhash->Lock = HAL_UNLOCKED; |
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358 /* Init the low level hardware */ |
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359 HAL_HASH_MspInit(hhash); |
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360 } |
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361 |
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362 /* Change the HASH state */ |
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363 hhash->State = HAL_HASH_STATE_BUSY; |
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364 |
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365 /* Reset HashInCount, HashBuffSize and HashITCounter */ |
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366 hhash->HashInCount = 0U; |
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367 hhash->HashBuffSize = 0U; |
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368 hhash->HashITCounter = 0U; |
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369 |
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370 /* Set the data type */ |
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371 HASH->CR |= (uint32_t) (hhash->Init.DataType); |
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372 |
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373 /* Change the HASH state */ |
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374 hhash->State = HAL_HASH_STATE_READY; |
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375 |
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376 /* Set the default HASH phase */ |
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377 hhash->Phase = HAL_HASH_PHASE_READY; |
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378 |
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379 /* Return function status */ |
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380 return HAL_OK; |
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381 } |
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382 |
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383 /** |
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384 * @brief DeInitializes the HASH peripheral. |
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385 * @note This API must be called before starting a new processing. |
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386 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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387 * the configuration information for HASH module |
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388 * @retval HAL status |
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389 */ |
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390 HAL_StatusTypeDef HAL_HASH_DeInit(HASH_HandleTypeDef *hhash) |
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391 { |
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392 /* Check the HASH handle allocation */ |
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393 if(hhash == NULL) |
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394 { |
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395 return HAL_ERROR; |
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396 } |
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397 |
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398 /* Change the HASH state */ |
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399 hhash->State = HAL_HASH_STATE_BUSY; |
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400 |
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401 /* Set the default HASH phase */ |
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402 hhash->Phase = HAL_HASH_PHASE_READY; |
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403 |
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404 /* Reset HashInCount, HashBuffSize and HashITCounter */ |
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405 hhash->HashInCount = 0U; |
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406 hhash->HashBuffSize = 0U; |
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407 hhash->HashITCounter = 0U; |
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408 |
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409 /* DeInit the low level hardware */ |
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410 HAL_HASH_MspDeInit(hhash); |
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411 |
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412 /* Change the HASH state */ |
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413 hhash->State = HAL_HASH_STATE_RESET; |
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414 |
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415 /* Release Lock */ |
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416 __HAL_UNLOCK(hhash); |
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417 |
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418 /* Return function status */ |
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419 return HAL_OK; |
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420 } |
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421 |
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422 /** |
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423 * @brief Initializes the HASH MSP. |
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424 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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425 * the configuration information for HASH module |
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426 * @retval None |
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427 */ |
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428 __weak void HAL_HASH_MspInit(HASH_HandleTypeDef *hhash) |
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429 { |
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430 /* Prevent unused argument(s) compilation warning */ |
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431 UNUSED(hhash); |
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432 /* NOTE: This function Should not be modified, when the callback is needed, |
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433 the HAL_HASH_MspInit could be implemented in the user file |
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434 */ |
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435 } |
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436 |
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437 /** |
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438 * @brief DeInitializes HASH MSP. |
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439 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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440 * the configuration information for HASH module |
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441 * @retval None |
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442 */ |
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443 __weak void HAL_HASH_MspDeInit(HASH_HandleTypeDef *hhash) |
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444 { |
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445 /* Prevent unused argument(s) compilation warning */ |
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446 UNUSED(hhash); |
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447 /* NOTE: This function Should not be modified, when the callback is needed, |
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448 the HAL_HASH_MspDeInit could be implemented in the user file |
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449 */ |
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450 } |
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451 |
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452 /** |
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453 * @brief Input data transfer complete callback. |
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454 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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455 * the configuration information for HASH module |
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456 * @retval None |
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457 */ |
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458 __weak void HAL_HASH_InCpltCallback(HASH_HandleTypeDef *hhash) |
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459 { |
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460 /* Prevent unused argument(s) compilation warning */ |
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461 UNUSED(hhash); |
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462 /* NOTE: This function Should not be modified, when the callback is needed, |
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463 the HAL_HASH_InCpltCallback could be implemented in the user file |
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464 */ |
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465 } |
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466 |
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467 /** |
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468 * @brief Data transfer Error callback. |
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469 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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470 * the configuration information for HASH module |
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471 * @retval None |
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472 */ |
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473 __weak void HAL_HASH_ErrorCallback(HASH_HandleTypeDef *hhash) |
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474 { |
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475 /* Prevent unused argument(s) compilation warning */ |
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476 UNUSED(hhash); |
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477 /* NOTE: This function Should not be modified, when the callback is needed, |
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478 the HAL_HASH_ErrorCallback could be implemented in the user file |
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479 */ |
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480 } |
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481 |
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482 /** |
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483 * @brief Digest computation complete callback. It is used only with interrupt. |
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484 * @note This callback is not relevant with DMA. |
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485 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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486 * the configuration information for HASH module |
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487 * @retval None |
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488 */ |
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489 __weak void HAL_HASH_DgstCpltCallback(HASH_HandleTypeDef *hhash) |
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490 { |
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491 /* Prevent unused argument(s) compilation warning */ |
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492 UNUSED(hhash); |
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493 /* NOTE: This function Should not be modified, when the callback is needed, |
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494 the HAL_HASH_DgstCpltCallback could be implemented in the user file |
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495 */ |
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496 } |
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497 |
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498 /** |
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499 * @} |
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500 */ |
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501 |
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502 /** @defgroup HASH_Exported_Functions_Group2 HASH processing functions using polling mode |
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503 * @brief processing functions using polling mode |
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504 * |
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505 @verbatim |
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506 =============================================================================== |
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507 ##### HASH processing using polling mode functions##### |
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508 =============================================================================== |
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509 [..] This section provides functions allowing to calculate in polling mode |
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510 the hash value using one of the following algorithms: |
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511 (+) MD5 |
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512 (+) SHA1 |
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513 |
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514 @endverbatim |
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515 * @{ |
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516 */ |
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517 |
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518 /** |
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519 * @brief Initializes the HASH peripheral in MD5 mode then processes pInBuffer. |
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520 The digest is available in pOutBuffer. |
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521 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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522 * the configuration information for HASH module |
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523 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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524 * @param Size Length of the input buffer in bytes. |
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525 * If the Size is multiple of 64 bytes, appending the input buffer is possible. |
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526 * If the Size is not multiple of 64 bytes, the padding is managed by hardware |
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527 * and appending the input buffer is no more possible. |
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528 * @param pOutBuffer Pointer to the computed digest. Its size must be 16 bytes. |
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529 * @param Timeout Timeout value |
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530 * @retval HAL status |
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531 */ |
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532 HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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533 { |
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534 uint32_t tickstart = 0U; |
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535 |
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536 /* Process Locked */ |
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537 __HAL_LOCK(hhash); |
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538 |
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539 /* Change the HASH state */ |
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540 hhash->State = HAL_HASH_STATE_BUSY; |
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541 |
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542 /* Check if initialization phase has already been performed */ |
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543 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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544 { |
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545 /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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|
546 the message digest of a new message */ |
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547 HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT; |
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548 } |
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|
549 |
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550 /* Set the phase */ |
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551 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
552 |
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553 /* Configure the number of valid bits in last word of the message */ |
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554 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
555 |
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556 /* Write input buffer in data register */ |
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557 HASH_WriteData(pInBuffer, Size); |
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558 |
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Added current STM32 standandard libraries in version independend folder structure
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559 /* Start the digest calculation */ |
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560 __HAL_HASH_START_DIGEST(); |
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561 |
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562 /* Get tick */ |
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563 tickstart = HAL_GetTick(); |
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564 |
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565 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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566 { |
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567 /* Check for the Timeout */ |
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Added current STM32 standandard libraries in version independend folder structure
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568 if(Timeout != HAL_MAX_DELAY) |
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569 { |
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Added current STM32 standandard libraries in version independend folder structure
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570 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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571 { |
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572 /* Change state */ |
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573 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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574 |
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575 /* Process Unlocked */ |
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576 __HAL_UNLOCK(hhash); |
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577 |
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578 return HAL_TIMEOUT; |
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579 } |
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580 } |
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581 } |
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582 |
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583 /* Read the message digest */ |
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584 HASH_GetDigest(pOutBuffer, 16U); |
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585 |
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|
586 /* Change the HASH state */ |
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587 hhash->State = HAL_HASH_STATE_READY; |
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588 |
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589 /* Process Unlocked */ |
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590 __HAL_UNLOCK(hhash); |
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591 |
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|
592 /* Return function status */ |
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593 return HAL_OK; |
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|
594 } |
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595 |
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596 /** |
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597 * @brief Initializes the HASH peripheral in MD5 mode then writes the pInBuffer. |
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598 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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|
599 * the configuration information for HASH module |
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600 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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601 * @param Size Length of the input buffer in bytes. |
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602 * If the Size is multiple of 64 bytes, appending the input buffer is possible. |
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603 * If the Size is not multiple of 64 bytes, the padding is managed by hardware |
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604 * and appending the input buffer is no more possible. |
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Added current STM32 standandard libraries in version independend folder structure
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605 * @retval HAL status |
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606 */ |
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Added current STM32 standandard libraries in version independend folder structure
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607 HAL_StatusTypeDef HAL_HASH_MD5_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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608 { |
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609 /* Process Locked */ |
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610 __HAL_LOCK(hhash); |
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|
611 |
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Added current STM32 standandard libraries in version independend folder structure
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|
612 /* Change the HASH state */ |
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613 hhash->State = HAL_HASH_STATE_BUSY; |
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|
614 |
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615 /* Check if initialization phase has already been performed */ |
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616 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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617 { |
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618 /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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619 the message digest of a new message */ |
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620 HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT; |
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621 } |
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622 |
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623 /* Set the phase */ |
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624 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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625 |
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626 /* Configure the number of valid bits in last word of the message */ |
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627 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
628 |
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629 /* Write input buffer in data register */ |
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630 HASH_WriteData(pInBuffer, Size); |
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631 |
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632 /* Change the HASH state */ |
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633 hhash->State = HAL_HASH_STATE_READY; |
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634 |
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635 /* Process Unlocked */ |
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636 __HAL_UNLOCK(hhash); |
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|
637 |
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638 /* Return function status */ |
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639 return HAL_OK; |
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|
640 } |
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641 |
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|
642 /** |
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643 * @brief Initializes the HASH peripheral in SHA1 mode then processes pInBuffer. |
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644 The digest is available in pOutBuffer. |
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645 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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646 * the configuration information for HASH module |
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647 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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648 * @param Size Length of the input buffer in bytes. |
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649 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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650 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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651 * @param Timeout Timeout value |
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652 * @retval HAL status |
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653 */ |
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654 HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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655 { |
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656 uint32_t tickstart = 0U; |
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657 |
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|
658 /* Process Locked */ |
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659 __HAL_LOCK(hhash); |
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660 |
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661 /* Change the HASH state */ |
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662 hhash->State = HAL_HASH_STATE_BUSY; |
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663 |
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664 /* Check if initialization phase has already been performed */ |
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665 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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666 { |
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667 /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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668 the message digest of a new message */ |
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669 HASH->CR |= HASH_ALGOSELECTION_SHA1 | HASH_CR_INIT; |
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670 } |
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671 |
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672 /* Set the phase */ |
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673 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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674 |
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675 /* Configure the number of valid bits in last word of the message */ |
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676 __HAL_HASH_SET_NBVALIDBITS(Size); |
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677 |
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678 /* Write input buffer in data register */ |
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679 HASH_WriteData(pInBuffer, Size); |
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680 |
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681 /* Start the digest calculation */ |
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682 __HAL_HASH_START_DIGEST(); |
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|
683 |
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|
684 /* Get tick */ |
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685 tickstart = HAL_GetTick(); |
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686 |
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687 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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688 { |
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|
689 /* Check for the Timeout */ |
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|
690 if(Timeout != HAL_MAX_DELAY) |
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|
691 { |
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692 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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|
693 { |
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|
694 /* Change state */ |
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|
695 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
696 |
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|
697 /* Process Unlocked */ |
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698 __HAL_UNLOCK(hhash); |
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|
699 |
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|
700 return HAL_TIMEOUT; |
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|
701 } |
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|
702 } |
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|
703 } |
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|
704 |
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|
705 /* Read the message digest */ |
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|
706 HASH_GetDigest(pOutBuffer, 20U); |
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|
707 |
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|
708 /* Change the HASH state */ |
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|
709 hhash->State = HAL_HASH_STATE_READY; |
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|
710 |
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|
711 /* Process Unlocked */ |
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|
712 __HAL_UNLOCK(hhash); |
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|
713 |
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|
714 /* Return function status */ |
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|
715 return HAL_OK; |
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|
716 } |
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|
717 |
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|
718 /** |
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|
719 * @brief Initializes the HASH peripheral in SHA1 mode then processes pInBuffer. |
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|
720 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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|
721 * the configuration information for HASH module |
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|
722 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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|
723 * @param Size Length of the input buffer in bytes. |
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724 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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725 * @note Input buffer size in bytes must be a multiple of 4 otherwise the digest computation is corrupted. |
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|
726 * @retval HAL status |
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|
727 */ |
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|
728 HAL_StatusTypeDef HAL_HASH_SHA1_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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|
729 { |
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|
730 /* Check the parameters */ |
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|
731 assert_param(IS_HASH_SHA1_BUFFER_SIZE(Size)); |
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|
732 |
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|
733 /* Process Locked */ |
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|
734 __HAL_LOCK(hhash); |
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|
735 |
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|
736 /* Change the HASH state */ |
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737 hhash->State = HAL_HASH_STATE_BUSY; |
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|
738 |
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|
739 /* Check if initialization phase has already been performed */ |
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|
740 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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|
741 { |
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|
742 /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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743 the message digest of a new message */ |
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744 HASH->CR |= HASH_ALGOSELECTION_SHA1 | HASH_CR_INIT; |
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|
745 } |
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|
746 |
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|
747 /* Set the phase */ |
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748 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
749 |
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|
750 /* Configure the number of valid bits in last word of the message */ |
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751 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
752 |
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|
753 /* Write input buffer in data register */ |
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|
754 HASH_WriteData(pInBuffer, Size); |
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|
755 |
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|
756 /* Change the HASH state */ |
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757 hhash->State = HAL_HASH_STATE_READY; |
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|
758 |
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|
759 /* Process Unlocked */ |
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|
760 __HAL_UNLOCK(hhash); |
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|
761 |
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|
762 /* Return function status */ |
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763 return HAL_OK; |
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|
764 } |
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|
765 |
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|
766 /** |
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|
767 * @} |
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|
768 */ |
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|
769 |
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|
770 /** @defgroup HASH_Exported_Functions_Group3 HASH processing functions using interrupt mode |
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771 * @brief processing functions using interrupt mode. |
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|
772 * |
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|
773 @verbatim |
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|
774 =============================================================================== |
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775 ##### HASH processing using interrupt mode functions ##### |
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|
776 =============================================================================== |
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777 [..] This section provides functions allowing to calculate in interrupt mode |
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|
778 the hash value using one of the following algorithms: |
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|
779 (+) MD5 |
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|
780 (+) SHA1 |
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781 |
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782 @endverbatim |
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783 * @{ |
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784 */ |
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|
785 |
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|
786 /** |
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787 * @brief Initializes the HASH peripheral in MD5 mode then processes pInBuffer. |
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788 * The digest is available in pOutBuffer. |
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789 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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790 * the configuration information for HASH module |
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791 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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792 * @param Size Length of the input buffer in bytes. |
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793 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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794 * @param pOutBuffer Pointer to the computed digest. Its size must be 16 bytes. |
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795 * @retval HAL status |
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|
796 */ |
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|
797 HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer) |
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798 { |
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|
799 uint32_t inputaddr; |
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|
800 uint32_t outputaddr; |
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|
801 uint32_t buffercounter; |
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802 uint32_t inputcounter; |
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|
803 |
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|
804 /* Process Locked */ |
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805 __HAL_LOCK(hhash); |
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parents:
diff
changeset
|
806 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
807 if(hhash->State == HAL_HASH_STATE_READY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
808 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
809 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
810 hhash->State = HAL_HASH_STATE_BUSY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
811 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
812 hhash->HashInCount = Size; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
813 hhash->pHashInBuffPtr = pInBuffer; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
814 hhash->pHashOutBuffPtr = pOutBuffer; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
815 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
816 /* Check if initialization phase has already been performed */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
817 if(hhash->Phase == HAL_HASH_PHASE_READY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
818 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
819 /* Select the SHA1 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
820 HASH->CR |= HASH_ALGOSELECTION_MD5; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
821 /* Reset the HASH processor core, so that the HASH will be ready to compute |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
822 the message digest of a new message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
823 HASH->CR |= HASH_CR_INIT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
824 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
825 /* Reset interrupt counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
826 hhash->HashITCounter = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
827 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
828 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
829 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
830 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
831 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
832 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
833 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
834 /* Enable Interrupts */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
835 HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
836 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
837 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
838 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
839 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
840 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
841 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
842 outputaddr = (uint32_t)hhash->pHashOutBuffPtr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
843 /* Read the Output block from the Output FIFO */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
844 *(uint32_t*)(outputaddr) = __REV(HASH->HR[0U]); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
845 outputaddr+=4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
846 *(uint32_t*)(outputaddr) = __REV(HASH->HR[1U]); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
847 outputaddr+=4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
848 *(uint32_t*)(outputaddr) = __REV(HASH->HR[2U]); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
849 outputaddr+=4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
850 *(uint32_t*)(outputaddr) = __REV(HASH->HR[3U]); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
851 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
852 if(hhash->HashInCount == 0U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
853 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
854 /* Disable Interrupts */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
855 HASH->IMR = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
856 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
857 hhash->State = HAL_HASH_STATE_READY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
858 /* Call digest computation complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
859 HAL_HASH_DgstCpltCallback(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
860 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
861 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
862 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
863 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
864 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
865 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
866 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
867 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
868 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
869 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
870 if(hhash->HashInCount >= 68U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
871 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
872 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
873 /* Write the Input block in the Data IN register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
874 for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
875 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
876 HASH->DIN = *(uint32_t*)inputaddr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
877 inputaddr+=4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
878 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
879 if(hhash->HashITCounter == 0U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
880 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
881 HASH->DIN = *(uint32_t*)inputaddr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
882 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
883 if(hhash->HashInCount >= 68U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
884 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
885 /* Decrement buffer counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
886 hhash->HashInCount -= 68U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
887 hhash->pHashInBuffPtr+= 68U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
888 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
889 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
890 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
891 hhash->HashInCount = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
892 hhash->pHashInBuffPtr+= hhash->HashInCount; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
893 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
894 /* Set Interrupt counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
895 hhash->HashITCounter = 1U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
896 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
897 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
898 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
899 /* Decrement buffer counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
900 hhash->HashInCount -= 64U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
901 hhash->pHashInBuffPtr+= 64U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
902 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
903 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
904 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
905 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
906 /* Get the buffer address */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
907 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
908 /* Get the buffer counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
909 inputcounter = hhash->HashInCount; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
910 /* Disable Interrupts */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
911 HASH->IMR &= ~(HASH_IT_DINI); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
912 /* Configure the number of valid bits in last word of the message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
913 __HAL_HASH_SET_NBVALIDBITS(inputcounter); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
914 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
915 if((inputcounter > 4U) && (inputcounter%4U)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
916 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
917 inputcounter = (inputcounter+4U-inputcounter%4U); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
918 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
919 else if ((inputcounter < 4U) && (inputcounter != 0U)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
920 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
921 inputcounter = 4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
922 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
923 /* Write the Input block in the Data IN register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
924 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
925 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
926 HASH->DIN = *(uint32_t*)inputaddr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
927 inputaddr+=4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
928 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
929 /* Start the digest calculation */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
930 __HAL_HASH_START_DIGEST(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
931 /* Reset buffer counter */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
932 hhash->HashInCount = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
933 /* Call Input data transfer complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
934 HAL_HASH_InCpltCallback(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
935 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
936 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
937 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
938 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
939 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
940 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
941 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
942 return HAL_OK; |
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|
943 } |
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|
944 |
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diff
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|
945 /** |
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|
946 * @brief Initializes the HASH peripheral in SHA1 mode then processes pInBuffer. |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
947 * The digest is available in pOutBuffer. |
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parents:
diff
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|
948 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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diff
changeset
|
949 * the configuration information for HASH module |
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diff
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|
950 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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diff
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|
951 * @param Size Length of the input buffer in bytes. |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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952 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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Added current STM32 standandard libraries in version independend folder structure
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953 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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|
954 * @retval HAL status |
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Added current STM32 standandard libraries in version independend folder structure
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|
955 */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
956 HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer) |
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|
957 { |
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diff
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|
958 uint32_t inputaddr; |
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parents:
diff
changeset
|
959 uint32_t outputaddr; |
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parents:
diff
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|
960 uint32_t buffercounter; |
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parents:
diff
changeset
|
961 uint32_t inputcounter; |
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diff
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|
962 |
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parents:
diff
changeset
|
963 /* Process Locked */ |
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diff
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|
964 __HAL_LOCK(hhash); |
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|
965 |
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|
966 if(hhash->State == HAL_HASH_STATE_READY) |
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|
967 { |
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|
968 /* Change the HASH state */ |
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|
969 hhash->State = HAL_HASH_STATE_BUSY; |
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970 |
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Added current STM32 standandard libraries in version independend folder structure
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|
971 hhash->HashInCount = Size; |
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972 hhash->pHashInBuffPtr = pInBuffer; |
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Added current STM32 standandard libraries in version independend folder structure
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973 hhash->pHashOutBuffPtr = pOutBuffer; |
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974 |
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|
975 /* Check if initialization phase has already been performed */ |
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Added current STM32 standandard libraries in version independend folder structure
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976 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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|
977 { |
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Added current STM32 standandard libraries in version independend folder structure
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|
978 /* Select the SHA1 mode */ |
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979 HASH->CR |= HASH_ALGOSELECTION_SHA1; |
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Added current STM32 standandard libraries in version independend folder structure
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980 /* Reset the HASH processor core, so that the HASH will be ready to compute |
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|
981 the message digest of a new message */ |
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|
982 HASH->CR |= HASH_CR_INIT; |
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|
983 } |
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|
984 /* Reset interrupt counter */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
985 hhash->HashITCounter = 0U; |
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|
986 |
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|
987 /* Set the phase */ |
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|
988 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
989 |
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|
990 /* Process Unlocked */ |
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|
991 __HAL_UNLOCK(hhash); |
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|
992 |
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|
993 /* Enable Interrupts */ |
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|
994 HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI); |
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|
995 |
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|
996 /* Return function status */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
997 return HAL_OK; |
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|
998 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
999 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS)) |
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|
1000 { |
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|
1001 outputaddr = (uint32_t)hhash->pHashOutBuffPtr; |
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|
1002 /* Read the Output block from the Output FIFO */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1003 *(uint32_t*)(outputaddr) = __REV(HASH->HR[0U]); |
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|
1004 outputaddr+=4U; |
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|
1005 *(uint32_t*)(outputaddr) = __REV(HASH->HR[1U]); |
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|
1006 outputaddr+=4U; |
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|
1007 *(uint32_t*)(outputaddr) = __REV(HASH->HR[2U]); |
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|
1008 outputaddr+=4U; |
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1009 *(uint32_t*)(outputaddr) = __REV(HASH->HR[3U]); |
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1010 outputaddr+=4U; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1011 *(uint32_t*)(outputaddr) = __REV(HASH->HR[4U]); |
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1012 if(hhash->HashInCount == 0U) |
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|
1013 { |
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|
1014 /* Disable Interrupts */ |
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diff
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|
1015 HASH->IMR = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1016 /* Change the HASH state */ |
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|
1017 hhash->State = HAL_HASH_STATE_READY; |
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|
1018 /* Call digest computation complete callback */ |
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|
1019 HAL_HASH_DgstCpltCallback(hhash); |
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|
1020 |
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1021 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1022 __HAL_UNLOCK(hhash); |
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|
1023 |
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1024 /* Return function status */ |
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|
1025 return HAL_OK; |
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|
1026 } |
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|
1027 } |
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1028 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS)) |
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|
1029 { |
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1030 if(hhash->HashInCount >= 68U) |
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Added current STM32 standandard libraries in version independend folder structure
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|
1031 { |
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Added current STM32 standandard libraries in version independend folder structure
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1032 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1033 /* Write the Input block in the Data IN register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1034 for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U) |
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Ideenmodellierer
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diff
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|
1035 { |
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|
1036 HASH->DIN = *(uint32_t*)inputaddr; |
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|
1037 inputaddr+=4U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1038 } |
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diff
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|
1039 if(hhash->HashITCounter == 0U) |
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|
1040 { |
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|
1041 HASH->DIN = *(uint32_t*)inputaddr; |
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1042 if(hhash->HashInCount >= 68U) |
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|
1043 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1044 /* Decrement buffer counter */ |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1045 hhash->HashInCount -= 68U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
1046 hhash->pHashInBuffPtr+= 68U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
1047 } |
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Ideenmodellierer
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|
1048 else |
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Ideenmodellierer
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|
1049 { |
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|
1050 hhash->HashInCount = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1051 hhash->pHashInBuffPtr+= hhash->HashInCount; |
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Added current STM32 standandard libraries in version independend folder structure
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1052 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
1053 /* Set Interrupt counter */ |
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|
1054 hhash->HashITCounter = 1U; |
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1055 } |
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|
1056 else |
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|
1057 { |
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|
1058 /* Decrement buffer counter */ |
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|
1059 hhash->HashInCount -= 64U; |
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|
1060 hhash->pHashInBuffPtr+= 64U; |
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|
1061 } |
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|
1062 } |
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|
1063 else |
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|
1064 { |
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|
1065 /* Get the buffer address */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1066 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
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|
1067 /* Get the buffer counter */ |
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|
1068 inputcounter = hhash->HashInCount; |
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|
1069 /* Disable Interrupts */ |
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|
1070 HASH->IMR &= ~(HASH_IT_DINI); |
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|
1071 /* Configure the number of valid bits in last word of the message */ |
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1072 __HAL_HASH_SET_NBVALIDBITS(inputcounter); |
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|
1073 |
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|
1074 if((inputcounter > 4U) && (inputcounter%4U)) |
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Added current STM32 standandard libraries in version independend folder structure
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|
1075 { |
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1076 inputcounter = (inputcounter+4U-inputcounter%4U); |
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1077 } |
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1078 else if ((inputcounter < 4U) && (inputcounter != 0U)) |
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1079 { |
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1080 inputcounter = 4U; |
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1081 } |
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1082 /* Write the Input block in the Data IN register */ |
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1083 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++) |
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1084 { |
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1085 HASH->DIN = *(uint32_t*)inputaddr; |
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1086 inputaddr+=4U; |
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1087 } |
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1088 /* Start the digest calculation */ |
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1089 __HAL_HASH_START_DIGEST(); |
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1090 /* Reset buffer counter */ |
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1091 hhash->HashInCount = 0U; |
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1092 /* Call Input data transfer complete callback */ |
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1093 HAL_HASH_InCpltCallback(hhash); |
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1094 } |
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1095 } |
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1096 |
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1097 /* Process Unlocked */ |
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1098 __HAL_UNLOCK(hhash); |
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1099 |
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1100 /* Return function status */ |
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1101 return HAL_OK; |
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1102 } |
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1103 |
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1104 /** |
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1105 * @brief This function handles HASH interrupt request. |
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1106 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1107 * the configuration information for HASH module |
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1108 * @retval None |
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1109 */ |
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1110 void HAL_HASH_IRQHandler(HASH_HandleTypeDef *hhash) |
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1111 { |
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1112 switch(HASH->CR & HASH_CR_ALGO) |
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1113 { |
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1114 case HASH_ALGOSELECTION_MD5: |
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1115 HAL_HASH_MD5_Start_IT(hhash, NULL, 0U, NULL); |
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1116 break; |
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1117 |
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1118 case HASH_ALGOSELECTION_SHA1: |
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1119 HAL_HASH_SHA1_Start_IT(hhash, NULL, 0U, NULL); |
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1120 break; |
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1121 |
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1122 default: |
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1123 break; |
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1124 } |
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1125 } |
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1126 |
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1127 /** |
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1128 * @} |
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1129 */ |
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1130 |
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1131 /** @defgroup HASH_Exported_Functions_Group4 HASH processing functions using DMA mode |
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1132 * @brief processing functions using DMA mode. |
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1133 * |
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1134 @verbatim |
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1135 =============================================================================== |
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1136 ##### HASH processing using DMA mode functions ##### |
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1137 =============================================================================== |
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1138 [..] This section provides functions allowing to calculate in DMA mode |
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1139 the hash value using one of the following algorithms: |
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1140 (+) MD5 |
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1141 (+) SHA1 |
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1142 |
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1143 @endverbatim |
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1144 * @{ |
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1145 */ |
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1146 |
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1147 /** |
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1148 * @brief Initializes the HASH peripheral in MD5 mode then enables DMA to |
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1149 control data transfer. Use HAL_HASH_MD5_Finish() to get the digest. |
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1150 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1151 * the configuration information for HASH module |
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1152 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1153 * @param Size Length of the input buffer in bytes. |
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1154 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1155 * @retval HAL status |
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1156 */ |
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1157 HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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1158 { |
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1159 uint32_t inputaddr = (uint32_t)pInBuffer; |
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1160 |
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1161 /* Process Locked */ |
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1162 __HAL_LOCK(hhash); |
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1163 |
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1164 /* Change the HASH state */ |
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1165 hhash->State = HAL_HASH_STATE_BUSY; |
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1166 |
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1167 /* Check if initialization phase has already been performed */ |
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1168 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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1169 { |
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1170 /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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1171 the message digest of a new message */ |
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1172 HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT; |
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1173 } |
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1174 |
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1175 /* Configure the number of valid bits in last word of the message */ |
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1176 __HAL_HASH_SET_NBVALIDBITS(Size); |
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1177 |
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1178 /* Set the phase */ |
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1179 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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1180 |
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1181 /* Set the HASH DMA transfer complete callback */ |
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1182 hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt; |
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1183 /* Set the DMA error callback */ |
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1184 hhash->hdmain->XferErrorCallback = HASH_DMAError; |
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1185 |
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1186 /* Enable the DMA In DMA Stream */ |
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1187 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U)); |
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1188 |
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1189 /* Enable DMA requests */ |
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1190 HASH->CR |= (HASH_CR_DMAE); |
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1191 |
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1192 /* Process Unlocked */ |
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1193 __HAL_UNLOCK(hhash); |
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1194 |
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1195 /* Return function status */ |
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1196 return HAL_OK; |
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1197 } |
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1198 |
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1199 /** |
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1200 * @brief Returns the computed digest in MD5 mode |
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1201 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1202 * the configuration information for HASH module |
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1203 * @param pOutBuffer Pointer to the computed digest. Its size must be 16 bytes. |
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1204 * @param Timeout Timeout value |
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1205 * @retval HAL status |
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1206 */ |
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1207 HAL_StatusTypeDef HAL_HASH_MD5_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout) |
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1208 { |
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1209 uint32_t tickstart = 0U; |
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1210 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1211 /* Process Locked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1212 __HAL_LOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1213 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1214 /* Change HASH peripheral state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1215 hhash->State = HAL_HASH_STATE_BUSY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1216 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1217 /* Get tick */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1218 tickstart = HAL_GetTick(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1219 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1220 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1221 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1222 /* Check for the Timeout */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1223 if(Timeout != HAL_MAX_DELAY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1224 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1225 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1226 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1227 /* Change state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1228 hhash->State = HAL_HASH_STATE_TIMEOUT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1229 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1230 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1231 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1232 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1233 return HAL_TIMEOUT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1234 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1235 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1236 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1237 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1238 /* Read the message digest */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1239 HASH_GetDigest(pOutBuffer, 16U); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1240 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1241 /* Change HASH peripheral state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1242 hhash->State = HAL_HASH_STATE_READY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1243 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1244 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1245 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1246 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1247 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1248 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1249 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1250 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1251 /** |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1252 * @brief Initializes the HASH peripheral in SHA1 mode then enables DMA to |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1253 control data transfer. Use HAL_HASH_SHA1_Finish() to get the digest. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1254 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1255 * the configuration information for HASH module |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1256 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1257 * @param Size Length of the input buffer in bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1258 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1259 * @retval HAL status |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1260 */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1261 HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1262 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1263 uint32_t inputaddr = (uint32_t)pInBuffer; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1264 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1265 /* Process Locked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1266 __HAL_LOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1267 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1268 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1269 hhash->State = HAL_HASH_STATE_BUSY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1270 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1271 /* Check if initialization phase has already been performed */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1272 if(hhash->Phase == HAL_HASH_PHASE_READY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1273 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1274 /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1275 the message digest of a new message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1276 HASH->CR |= HASH_ALGOSELECTION_SHA1; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1277 HASH->CR |= HASH_CR_INIT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1278 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1279 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1280 /* Configure the number of valid bits in last word of the message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1281 __HAL_HASH_SET_NBVALIDBITS(Size); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1282 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1283 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1284 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1285 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1286 /* Set the HASH DMA transfer complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1287 hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1288 /* Set the DMA error callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1289 hhash->hdmain->XferErrorCallback = HASH_DMAError; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1290 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1291 /* Enable the DMA In DMA Stream */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1292 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U)); |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1293 |
c78bcbd5deda
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Ideenmodellierer
parents:
diff
changeset
|
1294 /* Enable DMA requests */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1295 HASH->CR |= (HASH_CR_DMAE); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1296 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1297 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1298 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1299 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1300 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1301 return HAL_OK; |
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diff
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|
1302 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1303 |
c78bcbd5deda
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parents:
diff
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|
1304 /** |
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diff
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|
1305 * @brief Returns the computed digest in SHA1 mode. |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1306 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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diff
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|
1307 * the configuration information for HASH module |
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Added current STM32 standandard libraries in version independend folder structure
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|
1308 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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|
1309 * @param Timeout Timeout value |
c78bcbd5deda
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|
1310 * @retval HAL status |
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|
1311 */ |
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|
1312 HAL_StatusTypeDef HAL_HASH_SHA1_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout) |
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|
1313 { |
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|
1314 uint32_t tickstart = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1315 |
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|
1316 /* Process Locked */ |
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|
1317 __HAL_LOCK(hhash); |
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|
1318 |
c78bcbd5deda
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|
1319 /* Change HASH peripheral state */ |
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|
1320 hhash->State = HAL_HASH_STATE_BUSY; |
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|
1321 |
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|
1322 /* Get tick */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1323 tickstart = HAL_GetTick(); |
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|
1324 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS)) |
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|
1325 { |
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|
1326 /* Check for the Timeout */ |
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|
1327 if(Timeout != HAL_MAX_DELAY) |
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|
1328 { |
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|
1329 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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|
1330 { |
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|
1331 /* Change state */ |
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|
1332 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
1333 |
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|
1334 /* Process Unlocked */ |
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|
1335 __HAL_UNLOCK(hhash); |
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|
1336 |
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|
1337 return HAL_TIMEOUT; |
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|
1338 } |
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|
1339 } |
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|
1340 } |
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|
1341 |
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|
1342 /* Read the message digest */ |
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|
1343 HASH_GetDigest(pOutBuffer, 20U); |
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|
1344 |
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|
1345 /* Change HASH peripheral state */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1346 hhash->State = HAL_HASH_STATE_READY; |
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|
1347 |
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|
1348 /* Process UnLock */ |
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|
1349 __HAL_UNLOCK(hhash); |
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|
1350 |
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|
1351 /* Return function status */ |
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|
1352 return HAL_OK; |
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|
1353 } |
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1354 |
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1355 |
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|
1356 /** |
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|
1357 * @} |
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|
1358 */ |
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|
1359 |
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|
1360 /** @defgroup HASH_Exported_Functions_Group5 HASH-MAC (HMAC) processing functions using polling mode |
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1361 * @brief HMAC processing functions using polling mode . |
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|
1362 * |
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|
1363 @verbatim |
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|
1364 =============================================================================== |
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1365 ##### HMAC processing using polling mode functions ##### |
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|
1366 =============================================================================== |
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|
1367 [..] This section provides functions allowing to calculate in polling mode |
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|
1368 the HMAC value using one of the following algorithms: |
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1369 (+) MD5 |
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1370 (+) SHA1 |
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|
1371 |
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|
1372 @endverbatim |
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1373 * @{ |
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1374 */ |
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1375 |
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|
1376 /** |
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|
1377 * @brief Initializes the HASH peripheral in HMAC MD5 mode |
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1378 * then processes pInBuffer. The digest is available in pOutBuffer |
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1379 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1380 * the configuration information for HASH module |
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|
1381 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1382 * @param Size Length of the input buffer in bytes. |
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1383 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1384 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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1385 * @param Timeout Timeout value |
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|
1386 * @retval HAL status |
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|
1387 */ |
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|
1388 HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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1389 { |
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|
1390 uint32_t tickstart = 0U; |
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|
1391 |
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|
1392 /* Process Locked */ |
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|
1393 __HAL_LOCK(hhash); |
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|
1394 |
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|
1395 /* Change the HASH state */ |
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1396 hhash->State = HAL_HASH_STATE_BUSY; |
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|
1397 |
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|
1398 /* Check if initialization phase has already been performed */ |
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|
1399 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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|
1400 { |
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|
1401 /* Check if key size is greater than 64 bytes */ |
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1402 if(hhash->Init.KeySize > 64U) |
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|
1403 { |
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|
1404 /* Select the HMAC MD5 mode */ |
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|
1405 HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT); |
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1406 } |
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1407 else |
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|
1408 { |
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|
1409 /* Select the HMAC MD5 mode */ |
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|
1410 HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_CR_INIT); |
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|
1411 } |
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|
1412 } |
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|
1413 |
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1414 /* Set the phase */ |
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1415 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
1416 |
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1417 /************************** STEP 1 ******************************************/ |
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1418 /* Configure the number of valid bits in last word of the message */ |
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1419 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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|
1420 |
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|
1421 /* Write input buffer in data register */ |
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|
1422 HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
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|
1423 |
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|
1424 /* Start the digest calculation */ |
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|
1425 __HAL_HASH_START_DIGEST(); |
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|
1426 |
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1427 /* Get tick */ |
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|
1428 tickstart = HAL_GetTick(); |
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|
1429 |
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1430 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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|
1431 { |
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|
1432 /* Check for the Timeout */ |
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|
1433 if(Timeout != HAL_MAX_DELAY) |
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|
1434 { |
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1435 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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1436 { |
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|
1437 /* Change state */ |
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1438 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
1439 |
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|
1440 /* Process Unlocked */ |
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|
1441 __HAL_UNLOCK(hhash); |
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|
1442 |
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1443 return HAL_TIMEOUT; |
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|
1444 } |
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|
1445 } |
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|
1446 } |
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1447 /************************** STEP 2 ******************************************/ |
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1448 /* Configure the number of valid bits in last word of the message */ |
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1449 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
1450 |
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|
1451 /* Write input buffer in data register */ |
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1452 HASH_WriteData(pInBuffer, Size); |
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|
1453 |
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1454 /* Start the digest calculation */ |
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1455 __HAL_HASH_START_DIGEST(); |
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|
1456 |
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1457 /* Get tick */ |
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|
1458 tickstart = HAL_GetTick(); |
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|
1459 |
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1460 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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1461 { |
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1462 /* Check for the Timeout */ |
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1463 if(Timeout != HAL_MAX_DELAY) |
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1464 { |
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1465 if((HAL_GetTick() - tickstart ) > Timeout) |
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1466 { |
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1467 /* Change state */ |
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1468 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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1469 |
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1470 /* Process Unlocked */ |
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1471 __HAL_UNLOCK(hhash); |
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1472 |
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1473 return HAL_TIMEOUT; |
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1474 } |
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1475 } |
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1476 } |
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1477 /************************** STEP 3 ******************************************/ |
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1478 /* Configure the number of valid bits in last word of the message */ |
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1479 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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|
1480 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1481 /* Write input buffer in data register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1482 HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1483 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1484 /* Start the digest calculation */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1485 __HAL_HASH_START_DIGEST(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1486 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1487 /* Get tick */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1488 tickstart = HAL_GetTick(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1489 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1490 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1491 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1492 /* Check for the Timeout */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1493 if(Timeout != HAL_MAX_DELAY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1494 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1495 if((HAL_GetTick() - tickstart ) > Timeout) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1496 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1497 /* Change state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1498 hhash->State = HAL_HASH_STATE_TIMEOUT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1499 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1500 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1501 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1502 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1503 return HAL_TIMEOUT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1504 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1505 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1506 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1507 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1508 /* Read the message digest */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1509 HASH_GetDigest(pOutBuffer, 16U); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1510 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1511 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1512 hhash->State = HAL_HASH_STATE_READY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1513 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1514 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1515 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1516 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1517 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1518 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1519 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1520 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1521 /** |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1522 * @brief Initializes the HASH peripheral in HMAC SHA1 mode |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1523 * then processes pInBuffer. The digest is available in pOutBuffer. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1524 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1525 * the configuration information for HASH module |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1526 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1527 * @param Size Length of the input buffer in bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1528 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1529 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1530 * @param Timeout Timeout value |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1531 * @retval HAL status |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1532 */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1533 HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1534 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1535 uint32_t tickstart = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1536 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1537 /* Process Locked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1538 __HAL_LOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1539 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1540 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1541 hhash->State = HAL_HASH_STATE_BUSY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1542 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1543 /* Check if initialization phase has already been performed */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1544 if(hhash->Phase == HAL_HASH_PHASE_READY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1545 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1546 /* Check if key size is greater than 64 bytes */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1547 if(hhash->Init.KeySize > 64U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1548 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1549 /* Select the HMAC SHA1 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1550 HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1551 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1552 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1553 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1554 /* Select the HMAC SHA1 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1555 HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_CR_INIT); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1556 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1557 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1558 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1559 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1560 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1561 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1562 /************************** STEP 1 ******************************************/ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1563 /* Configure the number of valid bits in last word of the message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1564 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1565 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1566 /* Write input buffer in data register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1567 HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1568 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1569 /* Start the digest calculation */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1570 __HAL_HASH_START_DIGEST(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1571 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1572 /* Get tick */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1573 tickstart = HAL_GetTick(); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1574 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1575 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
c78bcbd5deda
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parents:
diff
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|
1576 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1577 /* Check for the Timeout */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1578 if(Timeout != HAL_MAX_DELAY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1579 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1580 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1581 { |
c78bcbd5deda
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Ideenmodellierer
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diff
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|
1582 /* Change state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1583 hhash->State = HAL_HASH_STATE_TIMEOUT; |
c78bcbd5deda
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diff
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|
1584 |
c78bcbd5deda
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parents:
diff
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|
1585 /* Process Unlocked */ |
c78bcbd5deda
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|
1586 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1587 |
c78bcbd5deda
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|
1588 return HAL_TIMEOUT; |
c78bcbd5deda
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diff
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|
1589 } |
c78bcbd5deda
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Ideenmodellierer
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diff
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|
1590 } |
c78bcbd5deda
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diff
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|
1591 } |
c78bcbd5deda
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diff
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|
1592 /************************** STEP 2 ******************************************/ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1593 /* Configure the number of valid bits in last word of the message */ |
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|
1594 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
1595 |
c78bcbd5deda
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diff
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|
1596 /* Write input buffer in data register */ |
c78bcbd5deda
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|
1597 HASH_WriteData(pInBuffer, Size); |
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|
1598 |
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|
1599 /* Start the digest calculation */ |
c78bcbd5deda
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|
1600 __HAL_HASH_START_DIGEST(); |
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|
1601 |
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|
1602 /* Get tick */ |
c78bcbd5deda
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|
1603 tickstart = HAL_GetTick(); |
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|
1604 |
c78bcbd5deda
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|
1605 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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|
1606 { |
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|
1607 /* Check for the Timeout */ |
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|
1608 if(Timeout != HAL_MAX_DELAY) |
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|
1609 { |
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|
1610 if((HAL_GetTick() - tickstart ) > Timeout) |
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Added current STM32 standandard libraries in version independend folder structure
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|
1611 { |
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|
1612 /* Change state */ |
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|
1613 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1614 |
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Added current STM32 standandard libraries in version independend folder structure
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changeset
|
1615 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1616 __HAL_UNLOCK(hhash); |
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Added current STM32 standandard libraries in version independend folder structure
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|
1617 |
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|
1618 return HAL_TIMEOUT; |
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|
1619 } |
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|
1620 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
1621 } |
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Added current STM32 standandard libraries in version independend folder structure
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|
1622 /************************** STEP 3 ******************************************/ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1623 /* Configure the number of valid bits in last word of the message */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1624 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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|
1625 |
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Added current STM32 standandard libraries in version independend folder structure
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|
1626 /* Write input buffer in data register */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1627 HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
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|
1628 |
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|
1629 /* Start the digest calculation */ |
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diff
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|
1630 __HAL_HASH_START_DIGEST(); |
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|
1631 |
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Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1632 /* Get tick */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1633 tickstart = HAL_GetTick(); |
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|
1634 |
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Added current STM32 standandard libraries in version independend folder structure
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|
1635 while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY)) |
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|
1636 { |
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Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1637 /* Check for the Timeout */ |
c78bcbd5deda
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diff
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|
1638 if(Timeout != HAL_MAX_DELAY) |
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Added current STM32 standandard libraries in version independend folder structure
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|
1639 { |
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Added current STM32 standandard libraries in version independend folder structure
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|
1640 if((HAL_GetTick() - tickstart ) > Timeout) |
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|
1641 { |
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Added current STM32 standandard libraries in version independend folder structure
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|
1642 /* Change state */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1643 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
1644 |
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|
1645 /* Process Unlocked */ |
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|
1646 __HAL_UNLOCK(hhash); |
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|
1647 |
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|
1648 return HAL_TIMEOUT; |
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|
1649 } |
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|
1650 } |
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|
1651 } |
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|
1652 /* Read the message digest */ |
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|
1653 HASH_GetDigest(pOutBuffer, 20U); |
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Added current STM32 standandard libraries in version independend folder structure
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|
1654 |
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|
1655 /* Change the HASH state */ |
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|
1656 hhash->State = HAL_HASH_STATE_READY; |
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|
1657 |
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|
1658 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1659 __HAL_UNLOCK(hhash); |
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|
1660 |
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|
1661 /* Return function status */ |
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|
1662 return HAL_OK; |
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|
1663 } |
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|
1664 |
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|
1665 /** |
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|
1666 * @} |
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|
1667 */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1668 |
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|
1669 /** @defgroup HASH_Exported_Functions_Group6 HASH-MAC (HMAC) processing functions using DMA mode |
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|
1670 * @brief HMAC processing functions using DMA mode . |
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|
1671 * |
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|
1672 @verbatim |
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|
1673 =============================================================================== |
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|
1674 ##### HMAC processing using DMA mode functions ##### |
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|
1675 =============================================================================== |
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|
1676 [..] This section provides functions allowing to calculate in DMA mode |
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|
1677 the HMAC value using one of the following algorithms: |
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|
1678 (+) MD5 |
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|
1679 (+) SHA1 |
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|
1680 |
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|
1681 @endverbatim |
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|
1682 * @{ |
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|
1683 */ |
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|
1684 |
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|
1685 /** |
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|
1686 * @brief Initializes the HASH peripheral in HMAC MD5 mode |
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|
1687 * then enables DMA to control data transfer. |
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|
1688 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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|
1689 * the configuration information for HASH module |
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|
1690 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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|
1691 * @param Size Length of the input buffer in bytes. |
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1692 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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|
1693 * @retval HAL status |
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|
1694 */ |
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|
1695 HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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|
1696 { |
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|
1697 uint32_t inputaddr = 0U; |
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|
1698 |
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|
1699 /* Process Locked */ |
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|
1700 __HAL_LOCK(hhash); |
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|
1701 |
c78bcbd5deda
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|
1702 /* Change the HASH state */ |
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|
1703 hhash->State = HAL_HASH_STATE_BUSY; |
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|
1704 |
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|
1705 /* Save buffer pointer and size in handle */ |
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|
1706 hhash->pHashInBuffPtr = pInBuffer; |
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|
1707 hhash->HashBuffSize = Size; |
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|
1708 hhash->HashInCount = 0U; |
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|
1709 |
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|
1710 /* Check if initialization phase has already been performed */ |
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|
1711 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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|
1712 { |
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|
1713 /* Check if key size is greater than 64 bytes */ |
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|
1714 if(hhash->Init.KeySize > 64U) |
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|
1715 { |
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|
1716 /* Select the HMAC MD5 mode */ |
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|
1717 HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT); |
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|
1718 } |
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|
1719 else |
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|
1720 { |
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|
1721 /* Select the HMAC MD5 mode */ |
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|
1722 HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_CR_INIT); |
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1723 } |
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|
1724 } |
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|
1725 |
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|
1726 /* Set the phase */ |
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|
1727 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
1728 |
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1729 /* Configure the number of valid bits in last word of the message */ |
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1730 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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|
1731 |
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1732 /* Get the key address */ |
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|
1733 inputaddr = (uint32_t)(hhash->Init.pKey); |
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|
1734 |
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|
1735 /* Set the HASH DMA transfer complete callback */ |
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1736 hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt; |
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1737 /* Set the DMA error callback */ |
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1738 hhash->hdmain->XferErrorCallback = HASH_DMAError; |
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|
1739 |
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|
1740 /* Enable the DMA In DMA Stream */ |
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|
1741 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (hhash->Init.KeySize%4U ? (hhash->Init.KeySize+3U)/4U:hhash->Init.KeySize/4U)); |
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1742 /* Enable DMA requests */ |
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|
1743 HASH->CR |= (HASH_CR_DMAE); |
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|
1744 |
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|
1745 /* Process Unlocked */ |
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|
1746 __HAL_UNLOCK(hhash); |
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|
1747 |
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|
1748 /* Return function status */ |
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|
1749 return HAL_OK; |
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1750 } |
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1751 |
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1752 /** |
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1753 * @brief Initializes the HASH peripheral in HMAC SHA1 mode |
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1754 * then enables DMA to control data transfer. |
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1755 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1756 * the configuration information for HASH module |
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1757 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1758 * @param Size Length of the input buffer in bytes. |
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1759 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1760 * @retval HAL status |
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1761 */ |
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1762 HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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1763 { |
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1764 uint32_t inputaddr = 0U; |
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1765 |
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1766 /* Process Locked */ |
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1767 __HAL_LOCK(hhash); |
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1768 |
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1769 /* Change the HASH state */ |
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1770 hhash->State = HAL_HASH_STATE_BUSY; |
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1771 |
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1772 /* Save buffer pointer and size in handle */ |
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1773 hhash->pHashInBuffPtr = pInBuffer; |
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1774 hhash->HashBuffSize = Size; |
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1775 hhash->HashInCount = 0U; |
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1776 |
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1777 /* Check if initialization phase has already been performed */ |
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1778 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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1779 { |
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1780 /* Check if key size is greater than 64 bytes */ |
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1781 if(hhash->Init.KeySize > 64U) |
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1782 { |
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1783 /* Select the HMAC SHA1 mode */ |
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1784 HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT); |
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1785 } |
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1786 else |
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1787 { |
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1788 /* Select the HMAC SHA1 mode */ |
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1789 HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_CR_INIT); |
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1790 } |
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1791 } |
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1792 |
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1793 /* Set the phase */ |
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1794 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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1795 |
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1796 /* Configure the number of valid bits in last word of the message */ |
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1797 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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1798 |
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1799 /* Get the key address */ |
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1800 inputaddr = (uint32_t)(hhash->Init.pKey); |
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1801 |
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1802 /* Set the HASH DMA transfer complete callback */ |
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1803 hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt; |
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1804 /* Set the DMA error callback */ |
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1805 hhash->hdmain->XferErrorCallback = HASH_DMAError; |
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1806 |
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1807 /* Enable the DMA In DMA Stream */ |
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1808 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (hhash->Init.KeySize%4U ? (hhash->Init.KeySize+3U)/4U:hhash->Init.KeySize/4U)); |
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1809 /* Enable DMA requests */ |
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1810 HASH->CR |= (HASH_CR_DMAE); |
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1811 |
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1812 /* Process Unlocked */ |
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1813 __HAL_UNLOCK(hhash); |
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1814 |
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1815 /* Return function status */ |
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1816 return HAL_OK; |
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1817 } |
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1818 |
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1819 /** |
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1820 * @} |
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1821 */ |
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1822 |
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1823 /** @defgroup HASH_Exported_Functions_Group7 Peripheral State functions |
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1824 * @brief Peripheral State functions. |
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1825 * |
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1826 @verbatim |
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1827 =============================================================================== |
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1828 ##### Peripheral State functions ##### |
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1829 =============================================================================== |
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1830 [..] |
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1831 This subsection permits to get in run-time the status of the peripheral. |
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1832 |
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1833 @endverbatim |
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1834 * @{ |
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1835 */ |
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1836 |
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1837 /** |
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1838 * @brief return the HASH state |
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1839 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1840 * the configuration information for HASH module |
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1841 * @retval HAL state |
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1842 */ |
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1843 HAL_HASH_StateTypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash) |
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1844 { |
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1845 return hhash->State; |
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1846 } |
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1847 |
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1848 /** |
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1849 * @} |
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1850 */ |
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1851 |
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1852 /** |
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1853 * @} |
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1854 */ |
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1855 |
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1856 #endif /* STM32F415xx || STM32F417xx || STM32F437xx || STM32F439xx || STM32F479xx */ |
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1857 #endif /* HAL_HASH_MODULE_ENABLED */ |
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1858 /** |
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1859 * @} |
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1860 */ |
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1861 |
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1862 /** |
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1863 * @} |
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1864 */ |
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1865 |
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1866 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |