annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_hash_ex.c @ 866:3a1c533f3840

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author heinrichsweikamp
date Mon, 22 Jul 2024 16:40:14 +0200
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_hash_ex.c
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4 * @author MCD Application Team
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5 * @brief HASH HAL Extension module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of HASH peripheral:
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8 * + Extended HASH processing functions based on SHA224 Algorithm
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9 * + Extended HASH processing functions based on SHA256 Algorithm
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### How to use this driver #####
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14 ==============================================================================
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15 [..]
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16 The HASH HAL driver can be used as follows:
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17 (#)Initialize the HASH low level resources by implementing the HAL_HASH_MspInit():
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18 (##) Enable the HASH interface clock using __HAL_RCC_HASH_CLK_ENABLE()
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19 (##) In case of using processing APIs based on interrupts (e.g. HAL_HMACEx_SHA224_Start())
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20 (+++) Configure the HASH interrupt priority using HAL_NVIC_SetPriority()
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21 (+++) Enable the HASH IRQ handler using HAL_NVIC_EnableIRQ()
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22 (+++) In HASH IRQ handler, call HAL_HASH_IRQHandler()
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23 (##) In case of using DMA to control data transfer (e.g. HAL_HMACEx_SH224_Start_DMA())
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24 (+++) Enable the DMAx interface clock using __DMAx_CLK_ENABLE()
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25 (+++) Configure and enable one DMA stream one for managing data transfer from
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26 memory to peripheral (input stream). Managing data transfer from
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27 peripheral to memory can be performed only using CPU
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28 (+++) Associate the initialized DMA handle to the HASH DMA handle
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29 using __HAL_LINKDMA()
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30 (+++) Configure the priority and enable the NVIC for the transfer complete
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31 interrupt on the DMA Stream: HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ()
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32 (#)Initialize the HASH HAL using HAL_HASH_Init(). This function configures mainly:
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33 (##) The data type: 1-bit, 8-bit, 16-bit and 32-bit.
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34 (##) For HMAC, the encryption key.
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35 (##) For HMAC, the key size used for encryption.
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36 (#)Three processing functions are available:
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37 (##) Polling mode: processing APIs are blocking functions
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38 i.e. they process the data and wait till the digest computation is finished
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39 e.g. HAL_HASHEx_SHA224_Start()
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40 (##) Interrupt mode: encryption and decryption APIs are not blocking functions
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41 i.e. they process the data under interrupt
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42 e.g. HAL_HASHEx_SHA224_Start_IT()
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43 (##) DMA mode: processing APIs are not blocking functions and the CPU is
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44 not used for data transfer i.e. the data transfer is ensured by DMA
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45 e.g. HAL_HASHEx_SHA224_Start_DMA()
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46 (#)When the processing function is called at first time after HAL_HASH_Init()
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47 the HASH peripheral is initialized and processes the buffer in input.
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48 After that, the digest computation is started.
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49 When processing multi-buffer use the accumulate function to write the
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50 data in the peripheral without starting the digest computation. In last
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51 buffer use the start function to input the last buffer ans start the digest
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52 computation.
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53 (##) e.g. HAL_HASHEx_SHA224_Accumulate() : write 1st data buffer in the peripheral without starting the digest computation
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54 (##) write (n-1)th data buffer in the peripheral without starting the digest computation
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55 (##) HAL_HASHEx_SHA224_Start() : write (n)th data buffer in the peripheral and start the digest computation
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56 (#)In HMAC mode, there is no Accumulate API. Only Start API is available.
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57 (#)In case of using DMA, call the DMA start processing e.g. HAL_HASHEx_SHA224_Start_DMA().
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58 After that, call the finish function in order to get the digest value
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59 e.g. HAL_HASHEx_SHA224_Finish()
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60 (#)Call HAL_HASH_DeInit() to deinitialize the HASH peripheral.
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61
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62 @endverbatim
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63 ******************************************************************************
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64 * @attention
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65 *
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66 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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67 *
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68 * Redistribution and use in source and binary forms, with or without modification,
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69 * are permitted provided that the following conditions are met:
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70 * 1. Redistributions of source code must retain the above copyright notice,
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71 * this list of conditions and the following disclaimer.
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72 * 2. Redistributions in binary form must reproduce the above copyright notice,
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73 * this list of conditions and the following disclaimer in the documentation
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74 * and/or other materials provided with the distribution.
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75 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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76 * may be used to endorse or promote products derived from this software
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77 * without specific prior written permission.
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78 *
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79 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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80 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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82 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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85 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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86 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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87 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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89 *
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90 ******************************************************************************
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91 */
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92
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93 /* Includes ------------------------------------------------------------------*/
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94 #include "stm32f4xx_hal.h"
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95
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96 /** @addtogroup STM32F4xx_HAL_Driver
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97 * @{
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98 */
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99
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100 /** @defgroup HASHEx HASHEx
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101 * @brief HASH Extension HAL module driver.
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102 * @{
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103 */
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104
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105 #ifdef HAL_HASH_MODULE_ENABLED
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106
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107 #if defined(STM32F437xx) || defined(STM32F439xx) || defined(STM32F479xx)
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108
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109 /* Private typedef -----------------------------------------------------------*/
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110 /* Private define ------------------------------------------------------------*/
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111 /* Private macro -------------------------------------------------------------*/
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112 /* Private variables ---------------------------------------------------------*/
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113 /* Private function prototypes -----------------------------------------------*/
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114 /** @addtogroup HASHEx_Private_Functions
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115 * @{
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116 */
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117 static void HASHEx_DMAXferCplt(DMA_HandleTypeDef *hdma);
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118 static void HASHEx_WriteData(uint8_t *pInBuffer, uint32_t Size);
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119 static void HASHEx_GetDigest(uint8_t *pMsgDigest, uint8_t Size);
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120 static void HASHEx_DMAError(DMA_HandleTypeDef *hdma);
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121 /**
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122 * @}
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123 */
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124
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125 /* Private functions ---------------------------------------------------------*/
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126
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127 /** @addtogroup HASHEx_Private_Functions
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128 * @{
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129 */
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130
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131 /**
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132 * @brief Writes the input buffer in data register.
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133 * @param pInBuffer Pointer to input buffer
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134 * @param Size The size of input buffer
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135 * @retval None
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136 */
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137 static void HASHEx_WriteData(uint8_t *pInBuffer, uint32_t Size)
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138 {
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139 uint32_t buffercounter;
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140 uint32_t inputaddr = (uint32_t) pInBuffer;
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141
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142 for(buffercounter = 0U; buffercounter < Size; buffercounter+=4U)
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143 {
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144 HASH->DIN = *(uint32_t*)inputaddr;
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145 inputaddr+=4U;
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146 }
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147 }
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148
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149 /**
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150 * @brief Provides the message digest result.
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151 * @param pMsgDigest Pointer to the message digest
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152 * @param Size The size of the message digest in bytes
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153 * @retval None
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154 */
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155 static void HASHEx_GetDigest(uint8_t *pMsgDigest, uint8_t Size)
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156 {
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157 uint32_t msgdigest = (uint32_t)pMsgDigest;
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158
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159 switch(Size)
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160 {
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161 case 16U:
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162 /* Read the message digest */
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163 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]);
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164 msgdigest+=4U;
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165 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]);
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166 msgdigest+=4U;
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167 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]);
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168 msgdigest+=4U;
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169 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]);
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170 break;
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171 case 20U:
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172 /* Read the message digest */
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173 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]);
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174 msgdigest+=4U;
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175 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]);
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176 msgdigest+=4U;
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177 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]);
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178 msgdigest+=4U;
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179 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]);
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180 msgdigest+=4U;
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181 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]);
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182 break;
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183 case 28U:
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184 /* Read the message digest */
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185 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]);
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186 msgdigest+=4U;
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187 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]);
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188 msgdigest+=4U;
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189 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]);
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190 msgdigest+=4U;
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191 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]);
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192 msgdigest+=4U;
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193 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]);
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194 msgdigest+=4U;
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195 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]);
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196 msgdigest+=4U;
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197 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]);
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198 break;
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199 case 32U:
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200 /* Read the message digest */
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201 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]);
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202 msgdigest+=4U;
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203 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]);
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204 msgdigest+=4U;
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205 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]);
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206 msgdigest+=4U;
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207 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]);
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208 msgdigest+=4U;
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209 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]);
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210 msgdigest+=4U;
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211 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]);
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212 msgdigest+=4U;
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213 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]);
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214 msgdigest+=4U;
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215 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[7U]);
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216 break;
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217 default:
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218 break;
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219 }
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220 }
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221
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222 /**
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223 * @brief DMA HASH Input Data complete callback.
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224 * @param hdma DMA handle
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225 * @retval None
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226 */
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227 static void HASHEx_DMAXferCplt(DMA_HandleTypeDef *hdma)
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228 {
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229 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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230 uint32_t inputaddr = 0U;
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231 uint32_t buffersize = 0U;
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232
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233 if((HASH->CR & HASH_CR_MODE) != HASH_CR_MODE)
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234 {
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235 /* Disable the DMA transfer */
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236 HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
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237
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238 /* Change HASH peripheral state */
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239 hhash->State = HAL_HASH_STATE_READY;
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240
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241 /* Call Input data transfer complete callback */
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242 HAL_HASH_InCpltCallback(hhash);
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243 }
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244 else
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245 {
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246 /* Increment Interrupt counter */
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247 hhash->HashInCount++;
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248 /* Disable the DMA transfer before starting the next transfer */
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249 HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
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250
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251 if(hhash->HashInCount <= 2U)
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252 {
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253 /* In case HashInCount = 1, set the DMA to transfer data to HASH DIN register */
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254 if(hhash->HashInCount == 1U)
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255 {
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256 inputaddr = (uint32_t)hhash->pHashInBuffPtr;
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257 buffersize = hhash->HashBuffSize;
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258 }
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259 /* In case HashInCount = 2, set the DMA to transfer key to HASH DIN register */
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260 else if(hhash->HashInCount == 2U)
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261 {
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262 inputaddr = (uint32_t)hhash->Init.pKey;
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263 buffersize = hhash->Init.KeySize;
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264 }
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265 /* Configure the number of valid bits in last word of the message */
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266 MODIFY_REG(HASH->STR, HASH_STR_NBLW, 8U * (buffersize % 4U));
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267
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268 /* Set the HASH DMA transfer complete */
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269 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
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270
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271 /* Enable the DMA In DMA Stream */
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272 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (buffersize%4U ? (buffersize+3U)/4U:buffersize/4U));
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273
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274 /* Enable DMA requests */
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275 HASH->CR |= (HASH_CR_DMAE);
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276 }
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277 else
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278 {
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279 /* Disable the DMA transfer */
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280 HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
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281
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282 /* Reset the InCount */
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283 hhash->HashInCount = 0U;
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284
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285 /* Change HASH peripheral state */
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286 hhash->State = HAL_HASH_STATE_READY;
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287
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288 /* Call Input data transfer complete callback */
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289 HAL_HASH_InCpltCallback(hhash);
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290 }
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291 }
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292 }
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293
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294 /**
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295 * @brief DMA HASH communication error callback.
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296 * @param hdma DMA handle
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297 * @retval None
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298 */
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299 static void HASHEx_DMAError(DMA_HandleTypeDef *hdma)
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300 {
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301 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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302 hhash->State= HAL_HASH_STATE_READY;
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303 HAL_HASH_ErrorCallback(hhash);
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304 }
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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 /* Exported functions --------------------------------------------------------*/
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311 /** @addtogroup HASHEx_Exported_Functions
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312 * @{
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313 */
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314
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315 /** @defgroup HASHEx_Group1 HASH processing functions
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316 * @brief processing functions using polling mode
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317 *
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318 @verbatim
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319 ===============================================================================
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320 ##### HASH processing using polling mode functions #####
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321 ===============================================================================
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322 [..] This section provides functions allowing to calculate in polling mode
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323 the hash value using one of the following algorithms:
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324 (+) SHA224
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325 (+) SHA256
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326
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327 @endverbatim
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328 * @{
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329 */
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330
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331 /**
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332 * @brief Initializes the HASH peripheral in SHA224 mode
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333 * then processes pInBuffer. The digest is available in pOutBuffer
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334 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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335 * the configuration information for HASH module
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336 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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337 * @param Size Length of the input buffer in bytes.
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338 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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339 * @param pOutBuffer Pointer to the computed digest. Its size must be 28 bytes.
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340 * @param Timeout Specify Timeout value
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341 * @retval HAL status
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342 */
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343 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
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344 {
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345 uint32_t tickstart = 0U;
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346
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347 /* Process Locked */
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348 __HAL_LOCK(hhash);
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349
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350 /* Change the HASH state */
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351 hhash->State = HAL_HASH_STATE_BUSY;
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352
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353 /* Check if initialization phase has already been performed */
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354 if(hhash->Phase == HAL_HASH_PHASE_READY)
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355 {
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356 /* Select the SHA224 mode and reset the HASH processor core, so that the HASH will be ready to compute
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357 the message digest of a new message */
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358 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT;
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359 }
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360
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361 /* Set the phase */
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362 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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363
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364 /* Configure the number of valid bits in last word of the message */
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365 __HAL_HASH_SET_NBVALIDBITS(Size);
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366
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367 /* Write input buffer in data register */
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368 HASHEx_WriteData(pInBuffer, Size);
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369
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370 /* Start the digest calculation */
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371 __HAL_HASH_START_DIGEST();
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372
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373 /* Get tick */
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374 tickstart = HAL_GetTick();
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375
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376 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
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377 {
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378 /* Check for the Timeout */
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379 if(Timeout != HAL_MAX_DELAY)
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380 {
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381 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
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382 {
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383 /* Change state */
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384 hhash->State = HAL_HASH_STATE_TIMEOUT;
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385
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386 /* Process Unlocked */
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387 __HAL_UNLOCK(hhash);
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388
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389 return HAL_TIMEOUT;
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390 }
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391 }
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392 }
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393
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394 /* Read the message digest */
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395 HASHEx_GetDigest(pOutBuffer, 28U);
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396
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397 /* Change the HASH state */
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398 hhash->State = HAL_HASH_STATE_READY;
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399
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400 /* Process Unlocked */
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401 __HAL_UNLOCK(hhash);
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402
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403 /* Return function status */
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404 return HAL_OK;
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405 }
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406
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407 /**
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408 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer.
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409 The digest is available in pOutBuffer.
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410 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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411 * the configuration information for HASH module
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412 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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413 * @param Size Length of the input buffer in bytes.
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414 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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415 * @param pOutBuffer Pointer to the computed digest. Its size must be 32 bytes.
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416 * @param Timeout Specify Timeout value
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417 * @retval HAL status
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418 */
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419 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
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420 {
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421 uint32_t tickstart = 0U;
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422
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423 /* Process Locked */
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424 __HAL_LOCK(hhash);
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425
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426 /* Change the HASH state */
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427 hhash->State = HAL_HASH_STATE_BUSY;
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428
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429 /* Check if initialization phase has already been performed */
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430 if(hhash->Phase == HAL_HASH_PHASE_READY)
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431 {
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432 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute
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433 the message digest of a new message */
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434 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT;
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435 }
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436
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437 /* Set the phase */
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438 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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439
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440 /* Configure the number of valid bits in last word of the message */
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441 __HAL_HASH_SET_NBVALIDBITS(Size);
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442
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443 /* Write input buffer in data register */
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444 HASHEx_WriteData(pInBuffer, Size);
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445
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446 /* Start the digest calculation */
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447 __HAL_HASH_START_DIGEST();
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448
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449 /* Get tick */
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450 tickstart = HAL_GetTick();
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451
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452 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
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453 {
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454 /* Check for the Timeout */
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455 if(Timeout != HAL_MAX_DELAY)
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456 {
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457 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
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458 {
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459 /* Change state */
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460 hhash->State = HAL_HASH_STATE_TIMEOUT;
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461
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462 /* Process Unlocked */
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463 __HAL_UNLOCK(hhash);
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464
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465 return HAL_TIMEOUT;
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466 }
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467 }
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468 }
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469
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470 /* Read the message digest */
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471 HASHEx_GetDigest(pOutBuffer, 32U);
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472
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473 /* Change the HASH state */
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474 hhash->State = HAL_HASH_STATE_READY;
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475
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476 /* Process Unlocked */
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477 __HAL_UNLOCK(hhash);
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478
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479 /* Return function status */
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480 return HAL_OK;
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481 }
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482
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483
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484 /**
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485 * @brief Initializes the HASH peripheral in SHA224 mode
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486 * then processes pInBuffer. The digest is available in pOutBuffer
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487 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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488 * the configuration information for HASH module
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489 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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490 * @param Size Length of the input buffer in bytes.
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491 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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492 * @retval HAL status
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493 */
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494 HAL_StatusTypeDef HAL_HASHEx_SHA224_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
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495 {
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496 /* Process Locked */
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497 __HAL_LOCK(hhash);
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498
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499 /* Change the HASH state */
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500 hhash->State = HAL_HASH_STATE_BUSY;
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501
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502 /* Check if initialization phase has already been performed */
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503 if(hhash->Phase == HAL_HASH_PHASE_READY)
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504 {
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505 /* Select the SHA224 mode and reset the HASH processor core, so that the HASH will be ready to compute
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506 the message digest of a new message */
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507 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT;
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508 }
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509
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510 /* Set the phase */
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511 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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512
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513 /* Configure the number of valid bits in last word of the message */
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514 __HAL_HASH_SET_NBVALIDBITS(Size);
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515
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516 /* Write input buffer in data register */
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517 HASHEx_WriteData(pInBuffer, Size);
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518
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519 /* Change the HASH state */
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520 hhash->State = HAL_HASH_STATE_READY;
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521
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522 /* Process Unlocked */
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523 __HAL_UNLOCK(hhash);
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524
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525 /* Return function status */
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526 return HAL_OK;
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527 }
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528
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529
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530 /**
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531 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer.
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532 The digest is available in pOutBuffer.
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533 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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534 * the configuration information for HASH module
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535 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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536 * @param Size Length of the input buffer in bytes.
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537 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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538 * @retval HAL status
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539 */
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540 HAL_StatusTypeDef HAL_HASHEx_SHA256_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
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541 {
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542 /* Process Locked */
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543 __HAL_LOCK(hhash);
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544
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545 /* Change the HASH state */
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546 hhash->State = HAL_HASH_STATE_BUSY;
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547
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548 /* Check if initialization phase has already been performed */
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549 if(hhash->Phase == HAL_HASH_PHASE_READY)
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550 {
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551 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute
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552 the message digest of a new message */
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553 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT;
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554 }
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555
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556 /* Set the phase */
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557 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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558
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559 /* Configure the number of valid bits in last word of the message */
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560 __HAL_HASH_SET_NBVALIDBITS(Size);
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561
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562 /* Write input buffer in data register */
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563 HASHEx_WriteData(pInBuffer, Size);
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564
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565 /* Change the HASH state */
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566 hhash->State = HAL_HASH_STATE_READY;
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567
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568 /* Process Unlocked */
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569 __HAL_UNLOCK(hhash);
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570
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571 /* Return function status */
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572 return HAL_OK;
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573 }
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574
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575
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576 /**
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577 * @}
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578 */
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579
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580 /** @defgroup HASHEx_Group2 HMAC processing functions using polling mode
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581 * @brief HMAC processing functions using polling mode .
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582 *
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583 @verbatim
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584 ===============================================================================
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585 ##### HMAC processing using polling mode functions #####
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586 ===============================================================================
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587 [..] This section provides functions allowing to calculate in polling mode
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588 the HMAC value using one of the following algorithms:
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589 (+) SHA224
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590 (+) SHA256
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591
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592 @endverbatim
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593 * @{
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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 HMAC SHA224 mode
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598 * then processes pInBuffer. The digest is available in pOutBuffer.
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599 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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600 * the configuration information for HASH module
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601 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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602 * @param Size Length of the input buffer in bytes.
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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 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes.
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605 * @param Timeout Timeout value
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606 * @retval HAL status
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607 */
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608 HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
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609 {
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610 uint32_t tickstart = 0U;
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611
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612 /* Process Locked */
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613 __HAL_LOCK(hhash);
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diff changeset
614
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
615 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
616 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
617
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
618 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
619 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
620 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
621 /* Check if key size is greater than 64 bytes */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
622 if(hhash->Init.KeySize > 64U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
623 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
624 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
625 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
626 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
627 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
628 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
629 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
630 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
631 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
632 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
633
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
634 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
635 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
636
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
637 /************************** STEP 1 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
638 /* 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
639 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
640
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
641 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
642 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
643
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
644 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
645 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
646
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
647 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
648 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
649
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
650 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
651 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
652 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
653 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
654 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
655 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
656 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
657 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
658 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
659
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
660 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
661 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
662
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
663 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
664 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
665 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
666 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
667 /************************** STEP 2 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
668 /* 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
669 __HAL_HASH_SET_NBVALIDBITS(Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
670
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
671 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
672 HASHEx_WriteData(pInBuffer, Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
673
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
674 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
675 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
676
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
677 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
678 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
679
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
680 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
681 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
682 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
683 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
684 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
685 if((HAL_GetTick() - tickstart ) > Timeout)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
686 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
687 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
688 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
689
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
690 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
691 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
692
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
693 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
694 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 /************************** STEP 3 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 /* 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
699 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
700
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
701 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
705 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
710 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
711 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
714 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
715 if((HAL_GetTick() - tickstart ) > Timeout)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
716 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
717 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
718 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
719
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
720 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
722
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
723 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
724 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
725 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
727 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
728 HASHEx_GetDigest(pOutBuffer, 28U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
729
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
730 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
731 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
732
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
733 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
734 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
735
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
736 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
737 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
738 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
739
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
740 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
741 * @brief Initializes the HASH peripheral in HMAC SHA256 mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
742 * then processes pInBuffer. The digest is available in pOutBuffer
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
743 * @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
744 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
745 * @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
746 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
747 * 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
748 * @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 changeset
749 * @param Timeout Timeout value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
750 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
751 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
752 HAL_StatusTypeDef HAL_HMACEx_SHA256_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 changeset
753 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
754 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
755
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
756 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
757 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
758
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
759 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
760 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
761
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
762 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
763 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
764 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
765 /* Check if key size is greater than 64 bytes */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
766 if(hhash->Init.KeySize > 64U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
767 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
768 /* Select the HMAC SHA256 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
769 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
770 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
771 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
772 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
773 /* Select the HMAC SHA256 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
774 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
775 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
776 /* 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
777 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
778 HASH->CR |= HASH_CR_INIT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
779 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
780
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
781 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
782 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
783
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
784 /************************** STEP 1 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
785 /* 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
786 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
787
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
788 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
789 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
790
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
791 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
792 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
793
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
794 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
795 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
796
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
797 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
798 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
799 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
800 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
801 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
802 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
803 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
804 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
805 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
806
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
807 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
808 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
809
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
810 return HAL_TIMEOUT;
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
813 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
814 /************************** STEP 2 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
815 /* 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
816 __HAL_HASH_SET_NBVALIDBITS(Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
817
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
818 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
819 HASHEx_WriteData(pInBuffer, Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
820
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
821 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
822 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
823
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
824 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
825 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
826
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
827 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
828 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
829 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
830 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
831 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
832 if((HAL_GetTick() - tickstart ) > Timeout)
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 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
835 hhash->State = HAL_HASH_STATE_TIMEOUT;
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 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
838 __HAL_UNLOCK(hhash);
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 return HAL_TIMEOUT;
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
843 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
844 /************************** STEP 3 ******************************************/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
845 /* 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
846 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
847
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
848 /* Write input buffer in data register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
849 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
850
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
851 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
852 __HAL_HASH_START_DIGEST();
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 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
855 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
856
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
857 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
858 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
859 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
860 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
861 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
862 if((HAL_GetTick() - tickstart ) > Timeout)
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 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
865 hhash->State = HAL_HASH_STATE_TIMEOUT;
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 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
868 __HAL_UNLOCK(hhash);
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 return HAL_TIMEOUT;
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
873 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
874 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
875 HASHEx_GetDigest(pOutBuffer, 32U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
876
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
877 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
878 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
879
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
880 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
881 __HAL_UNLOCK(hhash);
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 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
884 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
885 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
886
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
887 /**
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 */
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 /** @defgroup HASHEx_Group3 HASH processing functions using interrupt mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
892 * @brief processing functions using interrupt mode.
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 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
895 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
896 ##### HASH processing using interrupt functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
897 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
898 [..] This section provides functions allowing to calculate in interrupt mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
899 the hash value using one of the following algorithms:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
900 (+) SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
901 (+) SHA256
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 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
904 * @{
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
907 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
908 * @brief Initializes the HASH peripheral in SHA224 mode then processes pInBuffer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
909 * The digest is available in pOutBuffer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
910 * @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
911 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
912 * @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
913 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
914 * 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
915 * @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 changeset
916 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
917 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
918 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
919 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
920 uint32_t inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
921 uint32_t buffercounter;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
922 uint32_t inputcounter;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
923
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
924 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
925 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
926
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
927 if(hhash->State == HAL_HASH_STATE_READY)
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 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
930 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
931
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
932 hhash->HashInCount = Size;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
933 hhash->pHashInBuffPtr = pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
934 hhash->pHashOutBuffPtr = pOutBuffer;
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 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
937 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
938 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
939 /* Select the SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
940 HASH->CR |= HASH_ALGOSELECTION_SHA224;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
941 /* 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
942 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
943 HASH->CR |= HASH_CR_INIT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
944 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
945 /* Reset interrupt counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
946 hhash->HashITCounter = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
947
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
948 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
949 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
950
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
951 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
952 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
953
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
954 /* Enable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
955 HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
956
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
957 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
958 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
959 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
960 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
961 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
962 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
963 HASHEx_GetDigest(hhash->pHashOutBuffPtr, 28U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
964 if(hhash->HashInCount == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
965 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
966 /* Disable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
967 HASH->IMR = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
968 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
969 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
970 /* Call digest computation complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
971 HAL_HASH_DgstCpltCallback(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
972
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
973 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
974 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
975
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
976 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
977 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
978 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
979 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
980 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
981 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
982 if(hhash->HashInCount >= 68U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
983 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
984 inputaddr = (uint32_t)hhash->pHashInBuffPtr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
985 /* Write the Input block in the Data IN register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
986 for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
987 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
988 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
989 inputaddr+=4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
990 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
991 if(hhash->HashITCounter == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
992 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
993 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
994
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
995 if(hhash->HashInCount >= 68U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
996 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
997 /* Decrement buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
998 hhash->HashInCount -= 68U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
999 hhash->pHashInBuffPtr+= 68U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1000 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1001 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1002 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1003 hhash->HashInCount = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1004 hhash->pHashInBuffPtr+= hhash->HashInCount;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1005 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1006 /* Set Interrupt counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1007 hhash->HashITCounter = 1U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1008 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1009 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1010 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1011 /* Decrement buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1012 hhash->HashInCount -= 64U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1013 hhash->pHashInBuffPtr+= 64U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1014 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1015 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1016 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1017 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1018 /* Get the buffer address */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1019 inputaddr = (uint32_t)hhash->pHashInBuffPtr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1020 /* Get the buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1021 inputcounter = hhash->HashInCount;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1022 /* Disable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1023 HASH->IMR &= ~(HASH_IT_DINI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1024 /* 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
1025 __HAL_HASH_SET_NBVALIDBITS(inputcounter);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1026
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1027 if((inputcounter > 4U) && (inputcounter%4U))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1028 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1029 inputcounter = (inputcounter+4U-inputcounter%4U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1030 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1031 else if ((inputcounter < 4U) && (inputcounter != 0U))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1032 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1033 inputcounter = 4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1034 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1035 /* Write the Input block in the Data IN register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1036 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1037 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1038 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1039 inputaddr+=4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1040 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1041 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1042 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1043 /* Reset buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1044 hhash->HashInCount = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1045 /* Call Input data transfer complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1046 HAL_HASH_InCpltCallback(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1047 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1048 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1049
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1050 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1051 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1052
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1053 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1054 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1055 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1056
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1057
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1058 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1059 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1060 * The digest is available in pOutBuffer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1061 * @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
1062 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1063 * @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
1064 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1065 * 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
1066 * @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 changeset
1067 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1068 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1069 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1070 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1071 uint32_t inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1072 uint32_t buffercounter;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1073 uint32_t inputcounter;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1074
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1075 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1076 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1077
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1078 if(hhash->State == HAL_HASH_STATE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1079 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1080 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1081 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1082
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1083 hhash->HashInCount = Size;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1084 hhash->pHashInBuffPtr = pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1085 hhash->pHashOutBuffPtr = pOutBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1086
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1087 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1088 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1089 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1090 /* Select the SHA256 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1091 HASH->CR |= HASH_ALGOSELECTION_SHA256;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1092 /* 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
1093 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1094 HASH->CR |= HASH_CR_INIT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1095 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1096 /* Reset interrupt counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1097 hhash->HashITCounter = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1098
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1099 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1100 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1101
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1102 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1103 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1104
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1105 /* Enable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1106 HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1107
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1108 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1109 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1110 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1111 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1112 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1113 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1114 HASHEx_GetDigest(hhash->pHashOutBuffPtr, 32U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1115 if(hhash->HashInCount == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1116 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1117 /* Disable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1118 HASH->IMR = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1119 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1120 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1121 /* Call digest computation complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1122 HAL_HASH_DgstCpltCallback(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1123
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1124 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1125 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1126
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1127 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1128 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1129 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1130 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1131 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1132 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1133 if(hhash->HashInCount >= 68U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1134 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1135 inputaddr = (uint32_t)hhash->pHashInBuffPtr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1136 /* Write the Input block in the Data IN register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1137 for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1138 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1139 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1140 inputaddr+=4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1141 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1142 if(hhash->HashITCounter == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1143 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1144 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1145
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1146 if(hhash->HashInCount >= 68U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1147 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1148 /* Decrement buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1149 hhash->HashInCount -= 68U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1150 hhash->pHashInBuffPtr+= 68U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1151 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1152 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1153 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1154 hhash->HashInCount = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1155 hhash->pHashInBuffPtr+= hhash->HashInCount;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1156 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1157 /* Set Interrupt counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1158 hhash->HashITCounter = 1U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1159 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1160 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1161 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1162 /* Decrement buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1163 hhash->HashInCount -= 64U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1164 hhash->pHashInBuffPtr+= 64U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1165 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1166 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1167 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1168 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1169 /* Get the buffer address */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1170 inputaddr = (uint32_t)hhash->pHashInBuffPtr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1171 /* Get the buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1172 inputcounter = hhash->HashInCount;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1173 /* Disable Interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1174 HASH->IMR &= ~(HASH_IT_DINI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1175 /* 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
1176 __HAL_HASH_SET_NBVALIDBITS(inputcounter);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1177
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1178 if((inputcounter > 4U) && (inputcounter%4U))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1179 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1180 inputcounter = (inputcounter+4U-inputcounter%4U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1181 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1182 else if ((inputcounter < 4U) && (inputcounter != 0U))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1183 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1184 inputcounter = 4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1185 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1186 /* Write the Input block in the Data IN register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1187 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1188 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1189 HASH->DIN = *(uint32_t*)inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1190 inputaddr+=4U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1191 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1192 /* Start the digest calculation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1193 __HAL_HASH_START_DIGEST();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1194 /* Reset buffer counter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1195 hhash->HashInCount = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1196 /* Call Input data transfer complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1197 HAL_HASH_InCpltCallback(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1198 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1199 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1200
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1201 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1202 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1203
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1204 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1205 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1206 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1207
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1208 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1209 * @brief This function handles HASH interrupt request.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1210 * @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
1211 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1212 * @retval None
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 void HAL_HASHEx_IRQHandler(HASH_HandleTypeDef *hhash)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1215 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1216 switch(HASH->CR & HASH_CR_ALGO)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1217 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1218
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1219 case HASH_ALGOSELECTION_SHA224:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1220 HAL_HASHEx_SHA224_Start_IT(hhash, NULL, 0U, NULL);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1221 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1222
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1223 case HASH_ALGOSELECTION_SHA256:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1224 HAL_HASHEx_SHA256_Start_IT(hhash, NULL, 0U, NULL);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1225 break;
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 default:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1228 break;
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1231
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 * @}
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 /** @defgroup HASHEx_Group4 HASH processing functions using DMA mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1237 * @brief processing functions using DMA mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1238 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1239 @verbatim
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 ##### HASH processing using DMA functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1242 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1243 [..] This section provides functions allowing to calculate in DMA mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1244 the hash value using one of the following algorithms:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1245 (+) SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1246 (+) SHA256
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1247
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1248 @endverbatim
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1249 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1250 */
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diff changeset
1251
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1252
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1253 /**
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1254 * @brief Initializes the HASH peripheral in SHA224 mode then enables DMA to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1255 control data transfer. Use HAL_HASH_SHA224_Finish() to get the digest.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1256 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1257 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1258 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1259 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1260 * 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
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1261 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1262 */
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1263 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
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1264 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1265 uint32_t inputaddr = (uint32_t)pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1266
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1267 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1268 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1269
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1270 /* Change the HASH state */
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1271 hhash->State = HAL_HASH_STATE_BUSY;
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1272
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1273 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1274 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1275 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1276 /* Select the SHA224 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
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1277 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1278 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT;
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1279 }
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diff changeset
1280
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1281 /* 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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1282 __HAL_HASH_SET_NBVALIDBITS(Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1283
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1284 /* Set the phase */
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1285 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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1286
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1287 /* Set the HASH DMA transfer complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1288 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
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1289 /* Set the DMA error callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1290 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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1291
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1292 /* Enable the DMA In DMA Stream */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1293 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U));
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1294
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1295 /* Enable DMA requests */
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1296 HASH->CR |= (HASH_CR_DMAE);
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1297
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1298 /* Process Unlocked */
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1299 __HAL_UNLOCK(hhash);
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1300
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1301 /* Return function status */
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1302 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1303 }
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1304
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1305 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1306 * @brief Returns the computed digest in SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1307 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1308 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1309 * @param pOutBuffer Pointer to the computed digest. Its size must be 28 bytes.
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1310 * @param Timeout Timeout value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1311 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1312 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1313 HAL_StatusTypeDef HAL_HASHEx_SHA224_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
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1314 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1315 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1316
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1317 /* Process Locked */
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1318 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1319
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1320 /* Change HASH peripheral state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1321 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1322
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1323 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1324 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1325
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1326 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1327 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1328 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1329 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1330 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1331 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1332 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1333 /* Change state */
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1334 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1335
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1336 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1337 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1338
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1339 return HAL_TIMEOUT;
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1340 }
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1341 }
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1342 }
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1343
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1344 /* Read the message digest */
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1345 HASHEx_GetDigest(pOutBuffer, 28U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1346
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1347 /* Change HASH peripheral state */
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1348 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1349
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1350 /* Process Unlocked */
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Ideenmodellierer
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1351 __HAL_UNLOCK(hhash);
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1352
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1353 /* Return function status */
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1354 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1355 }
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1356
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1357 /**
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1358 * @brief Initializes the HASH peripheral in SHA256 mode then enables DMA to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1359 control data transfer. Use HAL_HASH_SHA256_Finish() to get the digest.
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1360 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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1361 * the configuration information for HASH module
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1362 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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1363 * @param Size Length of the input buffer in bytes.
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1364 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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1365 * @retval HAL status
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1366 */
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1367 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
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1368 {
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1369 uint32_t inputaddr = (uint32_t)pInBuffer;
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1370
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1371 /* Process Locked */
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1372 __HAL_LOCK(hhash);
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1373
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1374 /* Change the HASH state */
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1375 hhash->State = HAL_HASH_STATE_BUSY;
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1376
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1377 /* Check if initialization phase has already been performed */
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1378 if(hhash->Phase == HAL_HASH_PHASE_READY)
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1379 {
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1380 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute
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1381 the message digest of a new message */
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1382 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT;
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1383 }
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1384
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1385 /* Configure the number of valid bits in last word of the message */
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1386 __HAL_HASH_SET_NBVALIDBITS(Size);
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1387
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1388 /* Set the phase */
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1389 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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1390
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1391 /* Set the HASH DMA transfer complete callback */
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1392 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
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1393 /* Set the DMA error callback */
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1394 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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1395
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diff changeset
1396 /* Enable the DMA In DMA Stream */
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parents:
diff changeset
1397 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1398
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1399 /* Enable DMA requests */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1400 HASH->CR |= (HASH_CR_DMAE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1401
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1402 /* Process UnLock */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1403 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1404
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1405 /* Return function status */
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diff changeset
1406 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1407 }
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diff changeset
1408
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1409 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1410 * @brief Returns the computed digest in SHA256.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1411 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1412 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1413 * @param pOutBuffer Pointer to the computed digest. Its size must be 32 bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1414 * @param Timeout Timeout value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1415 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1416 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1417 HAL_StatusTypeDef HAL_HASHEx_SHA256_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1418 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1419 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1420
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1421 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1422 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1423
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1424 /* Change HASH peripheral state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1425 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1426
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1427 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1428 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1429
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1430 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1431 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1432 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1433 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1434 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1435 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1436 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1437 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1438 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1439
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1440 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1441 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1442
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1443 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1444 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1445 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1446 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1447
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1448 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1449 HASHEx_GetDigest(pOutBuffer, 32U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1450
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1451 /* Change HASH peripheral state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1452 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1453
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1454 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1455 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1456
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1457 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1458 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1459 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1460
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1461
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1462 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1463 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1464 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1465 /** @defgroup HASHEx_Group5 HMAC processing functions using DMA mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1466 * @brief HMAC processing functions using DMA mode .
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1467 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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1468 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1469 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1470 ##### HMAC processing using DMA functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1471 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1472 [..] This section provides functions allowing to calculate in DMA mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1473 the HMAC value using one of the following algorithms:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1474 (+) SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1475 (+) SHA256
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1476
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1477 @endverbatim
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Ideenmodellierer
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1478 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1479 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1480
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1481 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1482 * @brief Initializes the HASH peripheral in HMAC SHA224 mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1483 * then enables DMA to control data transfer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1484 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1485 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1486 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1487 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1488 * 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
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1489 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1490 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1491 HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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1492 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1493 uint32_t inputaddr;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1494
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1495 /* Process Locked */
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diff changeset
1496 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1497
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1498 /* Change the HASH state */
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diff changeset
1499 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1500
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1501 /* Save buffer pointer and size in handle */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1502 hhash->pHashInBuffPtr = pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1503 hhash->HashBuffSize = Size;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1504 hhash->HashInCount = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1505
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1506 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1507 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1508 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1509 /* Check if key size is greater than 64 bytes */
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Ideenmodellierer
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diff changeset
1510 if(hhash->Init.KeySize > 64U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1511 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1512 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1513 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
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1514 }
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1515 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1516 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1517 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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1518 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
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1519 }
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1520 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1521
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1522 /* Set the phase */
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Ideenmodellierer
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1523 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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1524
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diff changeset
1525 /* Configure the number of valid bits in last word of the message */
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1526 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
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diff changeset
1527
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diff changeset
1528 /* Get the key address */
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Ideenmodellierer
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1529 inputaddr = (uint32_t)(hhash->Init.pKey);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1530
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1531 /* Set the HASH DMA transfer complete callback */
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Ideenmodellierer
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1532 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1533 /* Set the DMA error callback */
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1534 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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1535
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1536 /* Enable the DMA In DMA Stream */
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1537 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (hhash->Init.KeySize%4U ? (hhash->Init.KeySize+3U)/4U:hhash->Init.KeySize/4U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1538 /* Enable DMA requests */
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1539 HASH->CR |= (HASH_CR_DMAE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1540
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1541 /* Process Unlocked */
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1542 __HAL_UNLOCK(hhash);
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1543
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1544 /* Return function status */
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1545 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1546 }
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1547
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1548 /**
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1549 * @brief Initializes the HASH peripheral in HMAC SHA256 mode
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1550 * then enables DMA to control data transfer.
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1551 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
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1552 * the configuration information for HASH module
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1553 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
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1554 * @param Size Length of the input buffer in bytes.
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1555 * If the Size is not multiple of 64 bytes, the padding is managed by hardware.
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1556 * @retval HAL status
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1557 */
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1558 HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
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1559 {
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1560 uint32_t inputaddr;
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1561
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1562 /* Process Locked */
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1563 __HAL_LOCK(hhash);
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1564
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1565 /* Change the HASH state */
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1566 hhash->State = HAL_HASH_STATE_BUSY;
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1567
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1568 /* Save buffer pointer and size in handle */
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1569 hhash->pHashInBuffPtr = pInBuffer;
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1570 hhash->HashBuffSize = Size;
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1571 hhash->HashInCount = 0U;
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1572
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1573 /* Check if initialization phase has already been performed */
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1574 if(hhash->Phase == HAL_HASH_PHASE_READY)
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1575 {
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1576 /* Check if key size is greater than 64 bytes */
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1577 if(hhash->Init.KeySize > 64U)
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1578 {
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1579 /* Select the HMAC SHA256 mode */
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1580 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY);
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1581 }
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1582 else
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1583 {
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1584 /* Select the HMAC SHA256 mode */
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1585 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC);
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1586 }
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1587 /* Reset the HASH processor core, so that the HASH will be ready to compute
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1588 the message digest of a new message */
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1589 HASH->CR |= HASH_CR_INIT;
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1590 }
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1591
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1592 /* Set the phase */
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1593 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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1594
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1595 /* Configure the number of valid bits in last word of the message */
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1596 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
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1597
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1598 /* Get the key address */
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1599 inputaddr = (uint32_t)(hhash->Init.pKey);
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1600
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1601 /* Set the HASH DMA transfer complete callback */
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1602 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
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1603 /* Set the DMA error callback */
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1604 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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1605
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1606 /* Enable the DMA In DMA Stream */
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1607 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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1608 /* Enable DMA requests */
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1609 HASH->CR |= (HASH_CR_DMAE);
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1610
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1611 /* Process Unlocked */
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1612 __HAL_UNLOCK(hhash);
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1613
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1614 /* Return function status */
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1615 return HAL_OK;
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1616 }
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1617
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1618 /**
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1619 * @}
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1620 */
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1621
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1622 /**
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1623 * @}
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1624 */
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1625 #endif /* STM32F437xx || STM32F439xx || STM32F479xx */
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1626
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1627 #endif /* HAL_HASH_MODULE_ENABLED */
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1628 /**
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1629 * @}
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1630 */
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1631
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1632 /**
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1633 * @}
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1634 */
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1635
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1636 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/