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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_hash_ex.c @ 311:ddbe8bed5096 cleanup-4

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bugfix: make stopwatch and divetime run in sync And this shows the fundamental issue in the difference between dive time and stopwatch time. The dive time is constructed on the RTE, and rather independently, the stopwatch time is constructed on CPU1. This works rather well, but not perfect. This commit fixes things in a relatively straightforward way. Instead of incrementing the stopwatch locally on CPU1, simply use the same time data that is coming from the RTE. Some logic was added to make this stopwatch resettable again. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 29 May 2019 14:02:27 +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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
610 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
611
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
612 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
613 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
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parents:
diff changeset
1241 ##### HASH processing using DMA functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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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parents:
diff changeset
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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parents:
diff changeset
1245 (+) SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1246 (+) SHA256
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1247
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1248 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1249 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1250 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1251
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1252
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1253 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1254 * @brief Initializes the HASH peripheral in SHA224 mode then enables DMA to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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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parents:
diff changeset
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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parents:
diff changeset
1257 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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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parents:
diff changeset
1259 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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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parents:
diff changeset
1261 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1262 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1263 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1264 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1265 uint32_t inputaddr = (uint32_t)pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1266
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1267 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1268 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1269
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1270 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1271 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1272
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1273 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1274 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1275 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
1277 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1278 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1279 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1280
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1281 /* 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
1282 __HAL_HASH_SET_NBVALIDBITS(Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1283
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1284 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1285 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1286
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1287 /* Set the HASH DMA transfer complete callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1288 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1289 /* Set the DMA error callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1290 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1291
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1292 /* Enable the DMA In DMA Stream */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1293 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
Ideenmodellierer
parents:
diff changeset
1294
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1295 /* Enable DMA requests */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1296 HASH->CR |= (HASH_CR_DMAE);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1297
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1298 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1299 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1300
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1301 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1302 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1303 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1304
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1305 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1306 * @brief Returns the computed digest in SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1307 * @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
1308 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1309 * @param pOutBuffer Pointer to the computed digest. Its size must be 28 bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1310 * @param Timeout Timeout value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1311 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1312 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1313 HAL_StatusTypeDef HAL_HASHEx_SHA224_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1314 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1315 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1316
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1317 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1318 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1319
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1320 /* Change HASH peripheral state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1321 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1322
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1323 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1324 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1325
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1326 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1327 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1328 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1329 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1330 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1331 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1332 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1333 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1334 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1335
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1336 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1337 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1338
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1339 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1340 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1341 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1342 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1343
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1344 /* Read the message digest */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1345 HASHEx_GetDigest(pOutBuffer, 28U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1346
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1347 /* Change HASH peripheral state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1348 hhash->State = HAL_HASH_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1349
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1350 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1351 __HAL_UNLOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1352
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1353 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1354 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1355 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1356
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1357 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1358 * @brief Initializes the HASH peripheral in SHA256 mode then enables DMA to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1359 control data transfer. Use HAL_HASH_SHA256_Finish() to get the digest.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1360 * @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
1361 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1362 * @param pInBuffer Pointer to the input buffer (buffer to be hashed).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1363 * @param Size Length of the input buffer in bytes.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1364 * 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
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diff changeset
1365 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1366 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1367 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1368 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1369 uint32_t inputaddr = (uint32_t)pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1370
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1371 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1372 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1373
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1374 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1375 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1376
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1377 /* Check if initialization phase has already been performed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1378 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1379 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1380 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1381 the message digest of a new message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1382 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1383 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1384
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1385 /* Configure the number of valid bits in last word of the message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1386 __HAL_HASH_SET_NBVALIDBITS(Size);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1387
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1388 /* Set the phase */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1389 hhash->Phase = HAL_HASH_PHASE_PROCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1390
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1391 /* Set the HASH DMA transfer complete callback */
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Ideenmodellierer
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diff changeset
1392 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt;
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parents:
diff changeset
1393 /* Set the DMA error callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1394 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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parents:
diff changeset
1395
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1396 /* Enable the DMA In DMA Stream */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
Ideenmodellierer
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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parents:
diff changeset
1406 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1407 }
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parents:
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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parents:
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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parents:
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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parents:
diff changeset
1412 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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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parents:
diff changeset
1414 * @param Timeout Timeout value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1415 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1416 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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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diff changeset
1418 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1419 uint32_t tickstart = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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
Ideenmodellierer
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
Ideenmodellierer
parents:
diff changeset
1427 /* Get tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1428 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1429
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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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parents:
diff changeset
1431 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1432 /* Check for the Timeout */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1433 if(Timeout != HAL_MAX_DELAY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1434 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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
Ideenmodellierer
parents:
diff changeset
1436 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1437 /* Change state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1438 hhash->State = HAL_HASH_STATE_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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diff changeset
1443 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
1449 HASHEx_GetDigest(pOutBuffer, 32U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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
Ideenmodellierer
parents:
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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parents:
diff changeset
1456
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1457 /* Return function status */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1458 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1459 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1460
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1461
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1462 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1463 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1464 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1465 /** @defgroup HASHEx_Group5 HMAC processing functions using DMA mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1466 * @brief HMAC processing functions using DMA mode .
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1467 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1468 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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1469 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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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diff changeset
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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diff changeset
1474 (+) SHA224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1475 (+) SHA256
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1476
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1477 @endverbatim
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Ideenmodellierer
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diff changeset
1478 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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
Ideenmodellierer
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diff changeset
1481 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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
Ideenmodellierer
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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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diff changeset
1484 * @param hhash pointer to a HASH_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1485 * the configuration information for HASH module
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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diff changeset
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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diff changeset
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
Ideenmodellierer
parents:
diff changeset
1490 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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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diff changeset
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
parents:
diff changeset
1494
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
1495 /* Process Locked */
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Ideenmodellierer
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diff changeset
1496 __HAL_LOCK(hhash);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1497
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1498 /* Change the HASH state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1499 hhash->State = HAL_HASH_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
diff changeset
1502 hhash->pHashInBuffPtr = pInBuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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
parents:
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
parents:
diff changeset
1507 if(hhash->Phase == HAL_HASH_PHASE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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
Ideenmodellierer
parents:
diff changeset
1511 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1512 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1515 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1516 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1517 /* Select the HMAC SHA224 mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1518 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
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1519 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1520 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1521
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1522 /* Set the phase */
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Ideenmodellierer
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diff changeset
1523 hhash->Phase = HAL_HASH_PHASE_PROCESS;
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diff changeset
1524
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1525 /* Configure the number of valid bits in last word of the message */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
1526 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
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Ideenmodellierer
parents:
diff changeset
1527
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
1528 /* Get the key address */
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Ideenmodellierer
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diff changeset
1529 inputaddr = (uint32_t)(hhash->Init.pKey);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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
parents:
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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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Ideenmodellierer
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1534 hhash->hdmain->XferErrorCallback = HASHEx_DMAError;
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parents:
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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 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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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diff changeset
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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parents:
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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
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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
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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****/