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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_hash_ex.c @ 307:b6436edfb2c0 cleanup-4
cleanup: factor out unused stopwatch code
Visually, this looks a bit of a dangerous cleanup, but its not :-)
To explain this cleanup: stopwatch_seconds is never used, so assign
to it is useless, and the variable can be removed. Now,
stopwatch_start_at_this_dive_time_seconds is not used any more, so
remove it as well. Now, look at the boolResetStopwatch code. It
is used but only to reset itself. This makes the whole stopwatch
block in data_exchange_main.c a useless thing. All the other
cleanup is trivial.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author | Jan Mulder <jlmulder@xs4all.nl> |
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date | Wed, 22 May 2019 22:22:15 +0200 |
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128
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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>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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67 * |
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68 * Redistribution and use in source and binary forms, with or without modification, |
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69 * are permitted provided that the following conditions are met: |
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70 * 1. Redistributions of source code must retain the above copyright notice, |
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71 * this list of conditions and the following disclaimer. |
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72 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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73 * this list of conditions and the following disclaimer in the documentation |
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74 * and/or other materials provided with the distribution. |
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75 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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76 * may be used to endorse or promote products derived from this software |
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77 * without specific prior written permission. |
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78 * |
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79 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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80 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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82 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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85 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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86 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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87 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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89 * |
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90 ****************************************************************************** |
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91 */ |
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92 |
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93 /* Includes ------------------------------------------------------------------*/ |
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94 #include "stm32f4xx_hal.h" |
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95 |
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96 /** @addtogroup STM32F4xx_HAL_Driver |
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97 * @{ |
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98 */ |
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99 |
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100 /** @defgroup HASHEx HASHEx |
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101 * @brief HASH Extension HAL module driver. |
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102 * @{ |
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103 */ |
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104 |
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105 #ifdef HAL_HASH_MODULE_ENABLED |
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106 |
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107 #if defined(STM32F437xx) || defined(STM32F439xx) || defined(STM32F479xx) |
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108 |
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109 /* Private typedef -----------------------------------------------------------*/ |
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110 /* Private define ------------------------------------------------------------*/ |
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111 /* Private macro -------------------------------------------------------------*/ |
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112 /* Private variables ---------------------------------------------------------*/ |
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113 /* Private function prototypes -----------------------------------------------*/ |
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114 /** @addtogroup HASHEx_Private_Functions |
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115 * @{ |
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116 */ |
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117 static void HASHEx_DMAXferCplt(DMA_HandleTypeDef *hdma); |
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118 static void HASHEx_WriteData(uint8_t *pInBuffer, uint32_t Size); |
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119 static void HASHEx_GetDigest(uint8_t *pMsgDigest, uint8_t Size); |
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120 static void HASHEx_DMAError(DMA_HandleTypeDef *hdma); |
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121 /** |
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122 * @} |
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123 */ |
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124 |
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125 /* Private functions ---------------------------------------------------------*/ |
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126 |
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127 /** @addtogroup HASHEx_Private_Functions |
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128 * @{ |
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129 */ |
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130 |
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131 /** |
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132 * @brief Writes the input buffer in data register. |
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133 * @param pInBuffer Pointer to input buffer |
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134 * @param Size The size of input buffer |
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135 * @retval None |
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136 */ |
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137 static void HASHEx_WriteData(uint8_t *pInBuffer, uint32_t Size) |
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138 { |
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139 uint32_t buffercounter; |
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140 uint32_t inputaddr = (uint32_t) pInBuffer; |
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141 |
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142 for(buffercounter = 0U; buffercounter < Size; buffercounter+=4U) |
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143 { |
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144 HASH->DIN = *(uint32_t*)inputaddr; |
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145 inputaddr+=4U; |
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146 } |
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147 } |
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148 |
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149 /** |
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150 * @brief Provides the message digest result. |
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151 * @param pMsgDigest Pointer to the message digest |
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152 * @param Size The size of the message digest in bytes |
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153 * @retval None |
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154 */ |
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155 static void HASHEx_GetDigest(uint8_t *pMsgDigest, uint8_t Size) |
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156 { |
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157 uint32_t msgdigest = (uint32_t)pMsgDigest; |
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158 |
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159 switch(Size) |
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160 { |
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161 case 16U: |
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162 /* Read the message digest */ |
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163 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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164 msgdigest+=4U; |
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165 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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166 msgdigest+=4U; |
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167 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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168 msgdigest+=4U; |
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169 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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170 break; |
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171 case 20U: |
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172 /* Read the message digest */ |
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173 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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174 msgdigest+=4U; |
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175 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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176 msgdigest+=4U; |
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177 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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178 msgdigest+=4U; |
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179 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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180 msgdigest+=4U; |
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181 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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182 break; |
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183 case 28U: |
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184 /* Read the message digest */ |
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185 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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186 msgdigest+=4U; |
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187 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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188 msgdigest+=4U; |
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189 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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190 msgdigest+=4U; |
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191 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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192 msgdigest+=4U; |
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193 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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194 msgdigest+=4U; |
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195 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]); |
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196 msgdigest+=4U; |
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197 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]); |
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198 break; |
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199 case 32U: |
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200 /* Read the message digest */ |
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201 *(uint32_t*)(msgdigest) = __REV(HASH->HR[0U]); |
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202 msgdigest+=4U; |
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203 *(uint32_t*)(msgdigest) = __REV(HASH->HR[1U]); |
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204 msgdigest+=4U; |
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205 *(uint32_t*)(msgdigest) = __REV(HASH->HR[2U]); |
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206 msgdigest+=4U; |
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207 *(uint32_t*)(msgdigest) = __REV(HASH->HR[3U]); |
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208 msgdigest+=4U; |
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209 *(uint32_t*)(msgdigest) = __REV(HASH->HR[4U]); |
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210 msgdigest+=4U; |
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211 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[5U]); |
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212 msgdigest+=4U; |
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213 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[6U]); |
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214 msgdigest+=4U; |
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215 *(uint32_t*)(msgdigest) = __REV(HASH_DIGEST->HR[7U]); |
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216 break; |
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217 default: |
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218 break; |
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219 } |
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220 } |
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221 |
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222 /** |
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223 * @brief DMA HASH Input Data complete callback. |
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224 * @param hdma DMA handle |
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225 * @retval None |
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226 */ |
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227 static void HASHEx_DMAXferCplt(DMA_HandleTypeDef *hdma) |
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228 { |
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229 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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230 uint32_t inputaddr = 0U; |
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231 uint32_t buffersize = 0U; |
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232 |
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233 if((HASH->CR & HASH_CR_MODE) != HASH_CR_MODE) |
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234 { |
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235 /* Disable the DMA transfer */ |
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236 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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237 |
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238 /* Change HASH peripheral state */ |
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239 hhash->State = HAL_HASH_STATE_READY; |
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240 |
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241 /* Call Input data transfer complete callback */ |
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242 HAL_HASH_InCpltCallback(hhash); |
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243 } |
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244 else |
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245 { |
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246 /* Increment Interrupt counter */ |
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247 hhash->HashInCount++; |
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248 /* Disable the DMA transfer before starting the next transfer */ |
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249 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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250 |
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251 if(hhash->HashInCount <= 2U) |
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252 { |
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253 /* In case HashInCount = 1, set the DMA to transfer data to HASH DIN register */ |
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254 if(hhash->HashInCount == 1U) |
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255 { |
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256 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
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257 buffersize = hhash->HashBuffSize; |
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258 } |
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259 /* In case HashInCount = 2, set the DMA to transfer key to HASH DIN register */ |
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260 else if(hhash->HashInCount == 2U) |
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261 { |
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262 inputaddr = (uint32_t)hhash->Init.pKey; |
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263 buffersize = hhash->Init.KeySize; |
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264 } |
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265 /* Configure the number of valid bits in last word of the message */ |
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266 MODIFY_REG(HASH->STR, HASH_STR_NBLW, 8U * (buffersize % 4U)); |
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267 |
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268 /* Set the HASH DMA transfer complete */ |
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269 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt; |
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270 |
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271 /* Enable the DMA In DMA Stream */ |
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272 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (buffersize%4U ? (buffersize+3U)/4U:buffersize/4U)); |
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273 |
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274 /* Enable DMA requests */ |
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275 HASH->CR |= (HASH_CR_DMAE); |
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276 } |
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277 else |
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278 { |
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279 /* Disable the DMA transfer */ |
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280 HASH->CR &= (uint32_t)(~HASH_CR_DMAE); |
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281 |
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282 /* Reset the InCount */ |
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283 hhash->HashInCount = 0U; |
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284 |
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285 /* Change HASH peripheral state */ |
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286 hhash->State = HAL_HASH_STATE_READY; |
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287 |
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288 /* Call Input data transfer complete callback */ |
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289 HAL_HASH_InCpltCallback(hhash); |
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290 } |
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291 } |
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292 } |
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293 |
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294 /** |
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295 * @brief DMA HASH communication error callback. |
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296 * @param hdma DMA handle |
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297 * @retval None |
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298 */ |
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299 static void HASHEx_DMAError(DMA_HandleTypeDef *hdma) |
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300 { |
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301 HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
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302 hhash->State= HAL_HASH_STATE_READY; |
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303 HAL_HASH_ErrorCallback(hhash); |
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304 } |
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305 |
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306 /** |
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307 * @} |
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308 */ |
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309 |
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310 /* Exported functions --------------------------------------------------------*/ |
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311 /** @addtogroup HASHEx_Exported_Functions |
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312 * @{ |
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313 */ |
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314 |
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315 /** @defgroup HASHEx_Group1 HASH processing functions |
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316 * @brief processing functions using polling mode |
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317 * |
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318 @verbatim |
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319 =============================================================================== |
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320 ##### HASH processing using polling mode functions ##### |
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321 =============================================================================== |
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322 [..] This section provides functions allowing to calculate in polling mode |
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323 the hash value using one of the following algorithms: |
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324 (+) SHA224 |
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325 (+) SHA256 |
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326 |
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327 @endverbatim |
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328 * @{ |
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329 */ |
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330 |
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331 /** |
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332 * @brief Initializes the HASH peripheral in SHA224 mode |
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333 * then processes pInBuffer. The digest is available in pOutBuffer |
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334 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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335 * the configuration information for HASH module |
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336 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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337 * @param Size Length of the input buffer in bytes. |
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338 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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339 * @param pOutBuffer Pointer to the computed digest. Its size must be 28 bytes. |
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340 * @param Timeout Specify Timeout value |
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341 * @retval HAL status |
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342 */ |
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343 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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344 { |
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345 uint32_t tickstart = 0U; |
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346 |
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347 /* Process Locked */ |
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348 __HAL_LOCK(hhash); |
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349 |
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350 /* Change the HASH state */ |
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351 hhash->State = HAL_HASH_STATE_BUSY; |
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352 |
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353 /* Check if initialization phase has already been performed */ |
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354 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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355 { |
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356 /* Select the SHA224 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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357 the message digest of a new message */ |
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358 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT; |
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359 } |
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360 |
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361 /* Set the phase */ |
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362 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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363 |
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364 /* Configure the number of valid bits in last word of the message */ |
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365 __HAL_HASH_SET_NBVALIDBITS(Size); |
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366 |
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367 /* Write input buffer in data register */ |
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368 HASHEx_WriteData(pInBuffer, Size); |
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369 |
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370 /* Start the digest calculation */ |
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371 __HAL_HASH_START_DIGEST(); |
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372 |
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373 /* Get tick */ |
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374 tickstart = HAL_GetTick(); |
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375 |
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376 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
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377 { |
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378 /* Check for the Timeout */ |
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379 if(Timeout != HAL_MAX_DELAY) |
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380 { |
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381 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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382 { |
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383 /* Change state */ |
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384 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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385 |
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386 /* Process Unlocked */ |
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387 __HAL_UNLOCK(hhash); |
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388 |
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389 return HAL_TIMEOUT; |
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390 } |
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391 } |
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392 } |
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393 |
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394 /* Read the message digest */ |
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395 HASHEx_GetDigest(pOutBuffer, 28U); |
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396 |
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397 /* Change the HASH state */ |
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398 hhash->State = HAL_HASH_STATE_READY; |
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399 |
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400 /* Process Unlocked */ |
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401 __HAL_UNLOCK(hhash); |
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402 |
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403 /* Return function status */ |
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404 return HAL_OK; |
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405 } |
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406 |
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407 /** |
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408 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer. |
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409 The digest is available in pOutBuffer. |
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410 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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411 * the configuration information for HASH module |
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412 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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413 * @param Size Length of the input buffer in bytes. |
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414 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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415 * @param pOutBuffer Pointer to the computed digest. Its size must be 32 bytes. |
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416 * @param Timeout Specify Timeout value |
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417 * @retval HAL status |
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418 */ |
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419 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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420 { |
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421 uint32_t tickstart = 0U; |
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422 |
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423 /* Process Locked */ |
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424 __HAL_LOCK(hhash); |
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425 |
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426 /* Change the HASH state */ |
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427 hhash->State = HAL_HASH_STATE_BUSY; |
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428 |
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429 /* Check if initialization phase has already been performed */ |
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430 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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431 { |
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432 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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433 the message digest of a new message */ |
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434 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT; |
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435 } |
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436 |
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437 /* Set the phase */ |
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438 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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439 |
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440 /* Configure the number of valid bits in last word of the message */ |
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441 __HAL_HASH_SET_NBVALIDBITS(Size); |
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442 |
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443 /* Write input buffer in data register */ |
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444 HASHEx_WriteData(pInBuffer, Size); |
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445 |
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446 /* Start the digest calculation */ |
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447 __HAL_HASH_START_DIGEST(); |
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448 |
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449 /* Get tick */ |
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450 tickstart = HAL_GetTick(); |
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451 |
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452 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
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453 { |
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454 /* Check for the Timeout */ |
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455 if(Timeout != HAL_MAX_DELAY) |
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456 { |
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457 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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458 { |
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459 /* Change state */ |
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460 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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461 |
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462 /* Process Unlocked */ |
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463 __HAL_UNLOCK(hhash); |
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464 |
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465 return HAL_TIMEOUT; |
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466 } |
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467 } |
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468 } |
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469 |
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470 /* Read the message digest */ |
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471 HASHEx_GetDigest(pOutBuffer, 32U); |
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472 |
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473 /* Change the HASH state */ |
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474 hhash->State = HAL_HASH_STATE_READY; |
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475 |
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476 /* Process Unlocked */ |
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477 __HAL_UNLOCK(hhash); |
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478 |
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479 /* Return function status */ |
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480 return HAL_OK; |
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481 } |
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482 |
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483 |
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484 /** |
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485 * @brief Initializes the HASH peripheral in SHA224 mode |
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486 * then processes pInBuffer. The digest is available in pOutBuffer |
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487 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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488 * the configuration information for HASH module |
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489 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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490 * @param Size Length of the input buffer in bytes. |
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491 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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492 * @retval HAL status |
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493 */ |
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494 HAL_StatusTypeDef HAL_HASHEx_SHA224_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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495 { |
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496 /* Process Locked */ |
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497 __HAL_LOCK(hhash); |
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498 |
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499 /* Change the HASH state */ |
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500 hhash->State = HAL_HASH_STATE_BUSY; |
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501 |
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502 /* Check if initialization phase has already been performed */ |
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503 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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504 { |
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505 /* Select the SHA224 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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506 the message digest of a new message */ |
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507 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT; |
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508 } |
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509 |
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510 /* Set the phase */ |
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511 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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512 |
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513 /* Configure the number of valid bits in last word of the message */ |
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514 __HAL_HASH_SET_NBVALIDBITS(Size); |
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515 |
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516 /* Write input buffer in data register */ |
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517 HASHEx_WriteData(pInBuffer, Size); |
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518 |
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519 /* Change the HASH state */ |
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520 hhash->State = HAL_HASH_STATE_READY; |
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521 |
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522 /* Process Unlocked */ |
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523 __HAL_UNLOCK(hhash); |
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524 |
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525 /* Return function status */ |
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526 return HAL_OK; |
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527 } |
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528 |
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529 |
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530 /** |
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531 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer. |
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532 The digest is available in pOutBuffer. |
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533 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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534 * the configuration information for HASH module |
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535 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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536 * @param Size Length of the input buffer in bytes. |
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537 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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538 * @retval HAL status |
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539 */ |
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540 HAL_StatusTypeDef HAL_HASHEx_SHA256_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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541 { |
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542 /* Process Locked */ |
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543 __HAL_LOCK(hhash); |
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544 |
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545 /* Change the HASH state */ |
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546 hhash->State = HAL_HASH_STATE_BUSY; |
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547 |
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548 /* Check if initialization phase has already been performed */ |
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549 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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550 { |
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551 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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552 the message digest of a new message */ |
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553 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT; |
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554 } |
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555 |
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556 /* Set the phase */ |
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557 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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558 |
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559 /* Configure the number of valid bits in last word of the message */ |
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560 __HAL_HASH_SET_NBVALIDBITS(Size); |
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561 |
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562 /* Write input buffer in data register */ |
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563 HASHEx_WriteData(pInBuffer, Size); |
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564 |
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565 /* Change the HASH state */ |
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566 hhash->State = HAL_HASH_STATE_READY; |
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567 |
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568 /* Process Unlocked */ |
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569 __HAL_UNLOCK(hhash); |
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570 |
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571 /* Return function status */ |
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572 return HAL_OK; |
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573 } |
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574 |
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575 |
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576 /** |
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577 * @} |
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578 */ |
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579 |
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580 /** @defgroup HASHEx_Group2 HMAC processing functions using polling mode |
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581 * @brief HMAC processing functions using polling mode . |
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582 * |
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583 @verbatim |
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584 =============================================================================== |
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585 ##### HMAC processing using polling mode functions ##### |
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586 =============================================================================== |
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587 [..] This section provides functions allowing to calculate in polling mode |
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588 the HMAC value using one of the following algorithms: |
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589 (+) SHA224 |
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590 (+) SHA256 |
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591 |
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592 @endverbatim |
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593 * @{ |
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594 */ |
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595 |
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596 /** |
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597 * @brief Initializes the HASH peripheral in HMAC SHA224 mode |
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598 * then processes pInBuffer. The digest is available in pOutBuffer. |
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599 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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600 * the configuration information for HASH module |
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601 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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602 * @param Size Length of the input buffer in bytes. |
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603 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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604 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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605 * @param Timeout Timeout value |
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606 * @retval HAL status |
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607 */ |
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608 HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout) |
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609 { |
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610 uint32_t tickstart = 0U; |
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611 |
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612 /* Process Locked */ |
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613 __HAL_LOCK(hhash); |
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614 |
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615 /* Change the HASH state */ |
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616 hhash->State = HAL_HASH_STATE_BUSY; |
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617 |
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618 /* Check if initialization phase has already been performed */ |
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619 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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620 { |
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621 /* Check if key size is greater than 64 bytes */ |
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622 if(hhash->Init.KeySize > 64U) |
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623 { |
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624 /* Select the HMAC SHA224 mode */ |
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625 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT); |
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626 } |
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627 else |
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628 { |
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629 /* Select the HMAC SHA224 mode */ |
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630 HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_CR_INIT); |
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631 } |
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632 } |
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633 |
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634 /* Set the phase */ |
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635 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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636 |
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637 /************************** STEP 1 ******************************************/ |
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638 /* Configure the number of valid bits in last word of the message */ |
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639 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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640 |
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641 /* Write input buffer in data register */ |
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642 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
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643 |
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644 /* Start the digest calculation */ |
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645 __HAL_HASH_START_DIGEST(); |
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646 |
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647 /* Get tick */ |
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648 tickstart = HAL_GetTick(); |
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649 |
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650 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
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651 { |
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652 /* Check for the Timeout */ |
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653 if(Timeout != HAL_MAX_DELAY) |
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654 { |
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655 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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656 { |
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657 /* Change state */ |
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658 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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659 |
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660 /* Process Unlocked */ |
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661 __HAL_UNLOCK(hhash); |
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662 |
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663 return HAL_TIMEOUT; |
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664 } |
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665 } |
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|
666 } |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
667 /************************** STEP 2 ******************************************/ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
668 /* Configure the number of valid bits in last word of the message */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
669 __HAL_HASH_SET_NBVALIDBITS(Size); |
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Ideenmodellierer
parents:
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|
670 |
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Ideenmodellierer
parents:
diff
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|
671 /* Write input buffer in data register */ |
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Ideenmodellierer
parents:
diff
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|
672 HASHEx_WriteData(pInBuffer, Size); |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
673 |
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parents:
diff
changeset
|
674 /* Start the digest calculation */ |
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Ideenmodellierer
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|
675 __HAL_HASH_START_DIGEST(); |
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Ideenmodellierer
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diff
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|
676 |
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parents:
diff
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|
677 /* Get tick */ |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
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|
678 tickstart = HAL_GetTick(); |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
679 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
680 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
681 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
682 /* Check for the Timeout */ |
c78bcbd5deda
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parents:
diff
changeset
|
683 if(Timeout != HAL_MAX_DELAY) |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
684 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
685 if((HAL_GetTick() - tickstart ) > Timeout) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
686 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
687 /* Change state */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
688 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
689 |
c78bcbd5deda
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Ideenmodellierer
parents:
diff
changeset
|
690 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
691 __HAL_UNLOCK(hhash); |
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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
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|
693 return HAL_TIMEOUT; |
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Ideenmodellierer
parents:
diff
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|
694 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
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
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parents:
diff
changeset
|
697 /************************** STEP 3 ******************************************/ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
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
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|
699 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
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
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|
702 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
703 |
c78bcbd5deda
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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
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|
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
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|
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
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|
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
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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
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|
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
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|
742 * then processes pInBuffer. The digest is available in pOutBuffer |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
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:
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|
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
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|
746 * @param Size Length of the input buffer in bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
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
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|
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
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diff
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|
749 * @param Timeout Timeout value |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
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
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|
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
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|
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
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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
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|
763 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
|
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
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|
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
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|
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
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|
775 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
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
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parents:
diff
changeset
|
777 the message digest of a new message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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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
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parents:
diff
changeset
|
781 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
782 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
783 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
784 /************************** STEP 1 ******************************************/ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
785 /* Configure the number of valid bits in last word of the message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
786 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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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
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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); |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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 */ |
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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
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diff
changeset
|
798 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
799 /* Check for the Timeout */ |
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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
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diff
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|
802 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
803 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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804 /* Change state */ |
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Ideenmodellierer
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diff
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805 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
806 |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
807 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
808 __HAL_UNLOCK(hhash); |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
809 |
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diff
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|
810 return HAL_TIMEOUT; |
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parents:
diff
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|
811 } |
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diff
changeset
|
812 } |
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Ideenmodellierer
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diff
changeset
|
813 } |
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parents:
diff
changeset
|
814 /************************** STEP 2 ******************************************/ |
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parents:
diff
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|
815 /* Configure the number of valid bits in last word of the message */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
816 __HAL_HASH_SET_NBVALIDBITS(Size); |
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Ideenmodellierer
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|
817 |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
818 /* Write input buffer in data register */ |
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Ideenmodellierer
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diff
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|
819 HASHEx_WriteData(pInBuffer, Size); |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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|
820 |
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diff
changeset
|
821 /* Start the digest calculation */ |
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diff
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|
822 __HAL_HASH_START_DIGEST(); |
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|
823 |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
824 /* Get tick */ |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
825 tickstart = HAL_GetTick(); |
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Added current STM32 standandard libraries in version independend folder structure
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|
826 |
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Added current STM32 standandard libraries in version independend folder structure
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|
827 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
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|
828 { |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
829 /* Check for the Timeout */ |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
830 if(Timeout != HAL_MAX_DELAY) |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
831 { |
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|
832 if((HAL_GetTick() - tickstart ) > Timeout) |
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833 { |
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|
834 /* Change state */ |
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|
835 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
836 |
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|
837 /* Process Unlocked */ |
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|
838 __HAL_UNLOCK(hhash); |
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|
839 |
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|
840 return HAL_TIMEOUT; |
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|
841 } |
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|
842 } |
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|
843 } |
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|
844 /************************** STEP 3 ******************************************/ |
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|
845 /* Configure the number of valid bits in last word of the message */ |
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|
846 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
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|
847 |
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|
848 /* Write input buffer in data register */ |
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|
849 HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize); |
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850 |
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|
851 /* Start the digest calculation */ |
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|
852 __HAL_HASH_START_DIGEST(); |
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|
853 |
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|
854 /* Get tick */ |
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|
855 tickstart = HAL_GetTick(); |
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|
856 |
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|
857 while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_BUSY) |
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858 { |
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|
859 /* Check for the Timeout */ |
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|
860 if(Timeout != HAL_MAX_DELAY) |
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|
861 { |
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862 if((HAL_GetTick() - tickstart ) > Timeout) |
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863 { |
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|
864 /* Change state */ |
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865 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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|
866 |
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867 /* Process Unlocked */ |
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|
868 __HAL_UNLOCK(hhash); |
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|
869 |
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|
870 return HAL_TIMEOUT; |
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|
871 } |
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|
872 } |
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|
873 } |
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|
874 /* Read the message digest */ |
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|
875 HASHEx_GetDigest(pOutBuffer, 32U); |
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|
876 |
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|
877 /* Change the HASH state */ |
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|
878 hhash->State = HAL_HASH_STATE_READY; |
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|
879 |
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|
880 /* Process Unlocked */ |
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|
881 __HAL_UNLOCK(hhash); |
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|
882 |
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|
883 /* Return function status */ |
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884 return HAL_OK; |
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885 } |
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886 |
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887 /** |
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|
888 * @} |
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|
889 */ |
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|
890 |
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|
891 /** @defgroup HASHEx_Group3 HASH processing functions using interrupt mode |
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|
892 * @brief processing functions using interrupt mode. |
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|
893 * |
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|
894 @verbatim |
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|
895 =============================================================================== |
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|
896 ##### HASH processing using interrupt functions ##### |
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|
897 =============================================================================== |
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|
898 [..] This section provides functions allowing to calculate in interrupt mode |
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|
899 the hash value using one of the following algorithms: |
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|
900 (+) SHA224 |
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|
901 (+) SHA256 |
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902 |
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903 @endverbatim |
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904 * @{ |
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905 */ |
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|
906 |
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|
907 /** |
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908 * @brief Initializes the HASH peripheral in SHA224 mode then processes pInBuffer. |
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909 * The digest is available in pOutBuffer. |
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910 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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911 * the configuration information for HASH module |
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912 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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913 * @param Size Length of the input buffer in bytes. |
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914 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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915 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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916 * @retval HAL status |
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917 */ |
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918 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer) |
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919 { |
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920 uint32_t inputaddr; |
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921 uint32_t buffercounter; |
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922 uint32_t inputcounter; |
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|
923 |
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|
924 /* Process Locked */ |
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925 __HAL_LOCK(hhash); |
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|
926 |
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927 if(hhash->State == HAL_HASH_STATE_READY) |
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|
928 { |
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929 /* Change the HASH state */ |
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930 hhash->State = HAL_HASH_STATE_BUSY; |
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931 |
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932 hhash->HashInCount = Size; |
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933 hhash->pHashInBuffPtr = pInBuffer; |
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934 hhash->pHashOutBuffPtr = pOutBuffer; |
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|
935 |
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936 /* Check if initialization phase has already been performed */ |
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937 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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938 { |
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939 /* Select the SHA224 mode */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
changeset
|
940 HASH->CR |= HASH_ALGOSELECTION_SHA224; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
941 /* Reset the HASH processor core, so that the HASH will be ready to compute |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
942 the message digest of a new message */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
943 HASH->CR |= HASH_CR_INIT; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
944 } |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
945 /* Reset interrupt counter */ |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
946 hhash->HashITCounter = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
947 |
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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
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parents:
diff
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|
949 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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Ideenmodellierer
parents:
diff
changeset
|
950 |
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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
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parents:
diff
changeset
|
954 /* Enable Interrupts */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
955 HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI); |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
956 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
957 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
958 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
959 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
960 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
961 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
962 /* Read the message digest */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
963 HASHEx_GetDigest(hhash->pHashOutBuffPtr, 28U); |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
964 if(hhash->HashInCount == 0U) |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
965 { |
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parents:
diff
changeset
|
966 /* Disable Interrupts */ |
c78bcbd5deda
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parents:
diff
changeset
|
967 HASH->IMR = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
968 /* Change the HASH state */ |
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Ideenmodellierer
parents:
diff
changeset
|
969 hhash->State = HAL_HASH_STATE_READY; |
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Added current STM32 standandard libraries in version independend folder structure
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diff
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|
970 /* Call digest computation complete callback */ |
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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
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972 |
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Added current STM32 standandard libraries in version independend folder structure
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973 /* Process Unlocked */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
974 __HAL_UNLOCK(hhash); |
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|
975 |
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parents:
diff
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|
976 /* Return function status */ |
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parents:
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|
977 return HAL_OK; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
978 } |
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parents:
diff
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|
979 } |
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diff
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|
980 if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS)) |
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981 { |
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982 if(hhash->HashInCount >= 68U) |
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983 { |
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984 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
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Added current STM32 standandard libraries in version independend folder structure
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985 /* Write the Input block in the Data IN register */ |
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Added current STM32 standandard libraries in version independend folder structure
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986 for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U) |
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|
987 { |
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|
988 HASH->DIN = *(uint32_t*)inputaddr; |
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Added current STM32 standandard libraries in version independend folder structure
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|
989 inputaddr+=4U; |
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|
990 } |
c78bcbd5deda
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|
991 if(hhash->HashITCounter == 0U) |
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Added current STM32 standandard libraries in version independend folder structure
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|
992 { |
c78bcbd5deda
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993 HASH->DIN = *(uint32_t*)inputaddr; |
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Added current STM32 standandard libraries in version independend folder structure
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|
994 |
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|
995 if(hhash->HashInCount >= 68U) |
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Added current STM32 standandard libraries in version independend folder structure
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|
996 { |
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Added current STM32 standandard libraries in version independend folder structure
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997 /* Decrement buffer counter */ |
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|
998 hhash->HashInCount -= 68U; |
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|
999 hhash->pHashInBuffPtr+= 68U; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1000 } |
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1001 else |
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|
1002 { |
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diff
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|
1003 hhash->HashInCount = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1004 hhash->pHashInBuffPtr+= hhash->HashInCount; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1005 } |
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Ideenmodellierer
parents:
diff
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|
1006 /* Set Interrupt counter */ |
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Ideenmodellierer
parents:
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|
1007 hhash->HashITCounter = 1U; |
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|
1008 } |
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|
1009 else |
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diff
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|
1010 { |
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|
1011 /* Decrement buffer counter */ |
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|
1012 hhash->HashInCount -= 64U; |
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Added current STM32 standandard libraries in version independend folder structure
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1013 hhash->pHashInBuffPtr+= 64U; |
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1014 } |
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|
1015 } |
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|
1016 else |
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|
1017 { |
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|
1018 /* Get the buffer address */ |
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|
1019 inputaddr = (uint32_t)hhash->pHashInBuffPtr; |
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Added current STM32 standandard libraries in version independend folder structure
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1020 /* Get the buffer counter */ |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
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|
1021 inputcounter = hhash->HashInCount; |
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Ideenmodellierer
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|
1022 /* Disable Interrupts */ |
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|
1023 HASH->IMR &= ~(HASH_IT_DINI); |
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1024 /* Configure the number of valid bits in last word of the message */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1025 __HAL_HASH_SET_NBVALIDBITS(inputcounter); |
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Added current STM32 standandard libraries in version independend folder structure
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|
1026 |
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Added current STM32 standandard libraries in version independend folder structure
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1027 if((inputcounter > 4U) && (inputcounter%4U)) |
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|
1028 { |
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Added current STM32 standandard libraries in version independend folder structure
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|
1029 inputcounter = (inputcounter+4U-inputcounter%4U); |
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|
1030 } |
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|
1031 else if ((inputcounter < 4U) && (inputcounter != 0U)) |
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Added current STM32 standandard libraries in version independend folder structure
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|
1032 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1033 inputcounter = 4U; |
c78bcbd5deda
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Ideenmodellierer
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|
1034 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1035 /* Write the Input block in the Data IN register */ |
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|
1036 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++) |
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|
1037 { |
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Ideenmodellierer
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diff
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|
1038 HASH->DIN = *(uint32_t*)inputaddr; |
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Ideenmodellierer
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|
1039 inputaddr+=4U; |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1040 } |
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Ideenmodellierer
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|
1041 /* Start the digest calculation */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1042 __HAL_HASH_START_DIGEST(); |
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Added current STM32 standandard libraries in version independend folder structure
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|
1043 /* Reset buffer counter */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1044 hhash->HashInCount = 0U; |
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Added current STM32 standandard libraries in version independend folder structure
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parents:
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|
1045 /* Call Input data transfer complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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1046 HAL_HASH_InCpltCallback(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1047 } |
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|
1048 } |
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|
1049 |
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changeset
|
1050 /* Process Unlocked */ |
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|
1051 __HAL_UNLOCK(hhash); |
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|
1052 |
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|
1053 /* Return function status */ |
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changeset
|
1054 return HAL_OK; |
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|
1055 } |
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|
1056 |
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|
1057 |
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|
1058 /** |
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|
1059 * @brief Initializes the HASH peripheral in SHA256 mode then processes pInBuffer. |
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1060 * The digest is available in pOutBuffer. |
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1061 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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|
1062 * the configuration information for HASH module |
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|
1063 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1064 * @param Size Length of the input buffer in bytes. |
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1065 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1066 * @param pOutBuffer Pointer to the computed digest. Its size must be 20 bytes. |
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|
1067 * @retval HAL status |
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|
1068 */ |
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|
1069 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer) |
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|
1070 { |
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|
1071 uint32_t inputaddr; |
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Added current STM32 standandard libraries in version independend folder structure
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|
1072 uint32_t buffercounter; |
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|
1073 uint32_t inputcounter; |
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|
1074 |
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Added current STM32 standandard libraries in version independend folder structure
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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
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|
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
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parents:
diff
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|
1176 __HAL_HASH_SET_NBVALIDBITS(inputcounter); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1177 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1178 if((inputcounter > 4U) && (inputcounter%4U)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1179 { |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1180 inputcounter = (inputcounter+4U-inputcounter%4U); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1181 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1182 else if ((inputcounter < 4U) && (inputcounter != 0U)) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
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|
1183 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1184 inputcounter = 4U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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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
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parents:
diff
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|
1187 for(buffercounter = 0U; buffercounter < inputcounter/4U; buffercounter++) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1188 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1189 HASH->DIN = *(uint32_t*)inputaddr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1190 inputaddr+=4U; |
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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
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parents:
diff
changeset
|
1198 } |
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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; |
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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 |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1208 /** |
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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
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parents:
diff
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|
1210 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1211 * the configuration information for HASH module |
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1212 * @retval None |
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1213 */ |
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|
1214 void HAL_HASHEx_IRQHandler(HASH_HandleTypeDef *hhash) |
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1215 { |
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1216 switch(HASH->CR & HASH_CR_ALGO) |
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1217 { |
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1218 |
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1219 case HASH_ALGOSELECTION_SHA224: |
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1220 HAL_HASHEx_SHA224_Start_IT(hhash, NULL, 0U, NULL); |
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1221 break; |
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|
1222 |
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1223 case HASH_ALGOSELECTION_SHA256: |
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1224 HAL_HASHEx_SHA256_Start_IT(hhash, NULL, 0U, NULL); |
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|
1225 break; |
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|
1226 |
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|
1227 default: |
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|
1228 break; |
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|
1229 } |
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|
1230 } |
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1231 |
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1232 /** |
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1233 * @} |
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1234 */ |
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1235 |
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1236 /** @defgroup HASHEx_Group4 HASH processing functions using DMA mode |
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1237 * @brief processing functions using DMA mode. |
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1238 * |
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1239 @verbatim |
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1240 =============================================================================== |
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1241 ##### HASH processing using DMA functions ##### |
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1242 =============================================================================== |
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1243 [..] This section provides functions allowing to calculate in DMA mode |
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1244 the hash value using one of the following algorithms: |
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|
1245 (+) SHA224 |
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1246 (+) SHA256 |
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1247 |
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1248 @endverbatim |
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1249 * @{ |
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1250 */ |
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1251 |
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1252 |
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1253 /** |
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1254 * @brief Initializes the HASH peripheral in SHA224 mode then enables DMA to |
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1255 control data transfer. Use HAL_HASH_SHA224_Finish() to get the digest. |
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1256 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1257 * the configuration information for HASH module |
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|
1258 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1259 * @param Size Length of the input buffer in bytes. |
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1260 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1261 * @retval HAL status |
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1262 */ |
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1263 HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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1264 { |
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1265 uint32_t inputaddr = (uint32_t)pInBuffer; |
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|
1266 |
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1267 /* Process Locked */ |
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|
1268 __HAL_LOCK(hhash); |
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|
1269 |
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1270 /* Change the HASH state */ |
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1271 hhash->State = HAL_HASH_STATE_BUSY; |
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1272 |
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1273 /* Check if initialization phase has already been performed */ |
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1274 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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1275 { |
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|
1276 /* Select the SHA224 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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1277 the message digest of a new message */ |
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|
1278 HASH->CR |= HASH_ALGOSELECTION_SHA224 | HASH_CR_INIT; |
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1279 } |
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|
1280 |
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1281 /* Configure the number of valid bits in last word of the message */ |
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1282 __HAL_HASH_SET_NBVALIDBITS(Size); |
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|
1283 |
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1284 /* Set the phase */ |
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1285 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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|
1286 |
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|
1287 /* Set the HASH DMA transfer complete callback */ |
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1288 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt; |
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1289 /* Set the DMA error callback */ |
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1290 hhash->hdmain->XferErrorCallback = HASHEx_DMAError; |
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|
1291 |
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|
1292 /* Enable the DMA In DMA Stream */ |
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1293 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U)); |
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|
1294 |
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|
1295 /* Enable DMA requests */ |
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|
1296 HASH->CR |= (HASH_CR_DMAE); |
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1297 |
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1298 /* Process Unlocked */ |
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|
1299 __HAL_UNLOCK(hhash); |
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|
1300 |
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1301 /* Return function status */ |
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1302 return HAL_OK; |
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1303 } |
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1304 |
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1305 /** |
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1306 * @brief Returns the computed digest in SHA224 |
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1307 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1308 * the configuration information for HASH module |
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1309 * @param pOutBuffer Pointer to the computed digest. Its size must be 28 bytes. |
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1310 * @param Timeout Timeout value |
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1311 * @retval HAL status |
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1312 */ |
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1313 HAL_StatusTypeDef HAL_HASHEx_SHA224_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout) |
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1314 { |
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1315 uint32_t tickstart = 0U; |
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1316 |
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1317 /* Process Locked */ |
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1318 __HAL_LOCK(hhash); |
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1319 |
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1320 /* Change HASH peripheral state */ |
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1321 hhash->State = HAL_HASH_STATE_BUSY; |
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1322 |
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1323 /* Get tick */ |
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1324 tickstart = HAL_GetTick(); |
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1325 |
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1326 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS)) |
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1327 { |
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1328 /* Check for the Timeout */ |
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1329 if(Timeout != HAL_MAX_DELAY) |
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1330 { |
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1331 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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1332 { |
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1333 /* Change state */ |
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1334 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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1335 |
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1336 /* Process Unlocked */ |
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1337 __HAL_UNLOCK(hhash); |
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1338 |
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1339 return HAL_TIMEOUT; |
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1340 } |
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1341 } |
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1342 } |
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1343 |
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1344 /* Read the message digest */ |
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1345 HASHEx_GetDigest(pOutBuffer, 28U); |
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1346 |
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|
1347 /* Change HASH peripheral state */ |
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1348 hhash->State = HAL_HASH_STATE_READY; |
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1349 |
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1350 /* Process Unlocked */ |
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|
1351 __HAL_UNLOCK(hhash); |
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|
1352 |
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|
1353 /* Return function status */ |
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1354 return HAL_OK; |
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|
1355 } |
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|
1356 |
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1357 /** |
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1358 * @brief Initializes the HASH peripheral in SHA256 mode then enables DMA to |
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1359 control data transfer. Use HAL_HASH_SHA256_Finish() to get the digest. |
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1360 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1361 * the configuration information for HASH module |
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1362 * @param pInBuffer Pointer to the input buffer (buffer to be hashed). |
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1363 * @param Size Length of the input buffer in bytes. |
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1364 * If the Size is not multiple of 64 bytes, the padding is managed by hardware. |
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1365 * @retval HAL status |
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1366 */ |
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1367 HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size) |
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1368 { |
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1369 uint32_t inputaddr = (uint32_t)pInBuffer; |
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1370 |
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1371 /* Process Locked */ |
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1372 __HAL_LOCK(hhash); |
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1373 |
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1374 /* Change the HASH state */ |
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1375 hhash->State = HAL_HASH_STATE_BUSY; |
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1376 |
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1377 /* Check if initialization phase has already been performed */ |
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1378 if(hhash->Phase == HAL_HASH_PHASE_READY) |
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1379 { |
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1380 /* Select the SHA256 mode and reset the HASH processor core, so that the HASH will be ready to compute |
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1381 the message digest of a new message */ |
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1382 HASH->CR |= HASH_ALGOSELECTION_SHA256 | HASH_CR_INIT; |
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1383 } |
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1384 |
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1385 /* Configure the number of valid bits in last word of the message */ |
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1386 __HAL_HASH_SET_NBVALIDBITS(Size); |
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1387 |
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1388 /* Set the phase */ |
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1389 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
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1390 |
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1391 /* Set the HASH DMA transfer complete callback */ |
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1392 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt; |
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1393 /* Set the DMA error callback */ |
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1394 hhash->hdmain->XferErrorCallback = HASHEx_DMAError; |
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1395 |
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1396 /* Enable the DMA In DMA Stream */ |
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1397 HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4U ? (Size+3U)/4U:Size/4U)); |
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1398 |
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1399 /* Enable DMA requests */ |
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1400 HASH->CR |= (HASH_CR_DMAE); |
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1401 |
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1402 /* Process UnLock */ |
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1403 __HAL_UNLOCK(hhash); |
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1404 |
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1405 /* Return function status */ |
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1406 return HAL_OK; |
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1407 } |
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1408 |
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1409 /** |
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1410 * @brief Returns the computed digest in SHA256. |
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1411 * @param hhash pointer to a HASH_HandleTypeDef structure that contains |
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1412 * the configuration information for HASH module |
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1413 * @param pOutBuffer Pointer to the computed digest. Its size must be 32 bytes. |
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1414 * @param Timeout Timeout value |
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1415 * @retval HAL status |
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1416 */ |
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1417 HAL_StatusTypeDef HAL_HASHEx_SHA256_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout) |
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1418 { |
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1419 uint32_t tickstart = 0U; |
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1420 |
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1421 /* Process Locked */ |
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1422 __HAL_LOCK(hhash); |
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|
1423 |
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1424 /* Change HASH peripheral state */ |
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1425 hhash->State = HAL_HASH_STATE_BUSY; |
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1426 |
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1427 /* Get tick */ |
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1428 tickstart = HAL_GetTick(); |
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|
1429 |
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1430 while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS)) |
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1431 { |
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1432 /* Check for the Timeout */ |
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|
1433 if(Timeout != HAL_MAX_DELAY) |
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1434 { |
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1435 if((Timeout == 0U)||((HAL_GetTick() - tickstart ) > Timeout)) |
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1436 { |
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1437 /* Change state */ |
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1438 hhash->State = HAL_HASH_STATE_TIMEOUT; |
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1439 |
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1440 /* Process Unlocked */ |
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1441 __HAL_UNLOCK(hhash); |
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|
1442 |
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1443 return HAL_TIMEOUT; |
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1444 } |
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1445 } |
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1446 } |
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1447 |
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1448 /* Read the message digest */ |
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1449 HASHEx_GetDigest(pOutBuffer, 32U); |
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1450 |
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1451 /* Change HASH peripheral state */ |
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1452 hhash->State = HAL_HASH_STATE_READY; |
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1453 |
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1454 /* Process Unlocked */ |
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1455 __HAL_UNLOCK(hhash); |
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|
1456 |
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1457 /* Return function status */ |
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1458 return HAL_OK; |
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1459 } |
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1460 |
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1461 |
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1462 /** |
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1463 * @} |
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1464 */ |
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1465 /** @defgroup HASHEx_Group5 HMAC processing functions using DMA mode |
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1466 * @brief HMAC processing functions using DMA mode . |
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1467 * |
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1468 @verbatim |
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1469 =============================================================================== |
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1470 ##### HMAC processing using DMA functions ##### |
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1471 =============================================================================== |
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1472 [..] This section provides functions allowing to calculate in DMA mode |
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1473 the HMAC value using one of the following algorithms: |
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1474 (+) SHA224 |
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1475 (+) SHA256 |
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1476 |
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1477 @endverbatim |
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1478 * @{ |
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1479 */ |
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1480 |
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|
1481 /** |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1482 * @brief Initializes the HASH peripheral in HMAC SHA224 mode |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1483 * then enables DMA to control data transfer. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
diff
changeset
|
1485 * the configuration information for HASH module |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff
changeset
|
1487 * @param Size Length of the input buffer in bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff
changeset
|
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
parents:
diff
changeset
|
1492 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff
changeset
|
1495 /* Process Locked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
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
parents:
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
parents:
diff
changeset
|
1503 hhash->HashBuffSize = Size; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
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
parents:
diff
changeset
|
1508 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1509 /* Check if key size is greater than 64 bytes */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
diff
changeset
|
1512 /* Select the HMAC SHA224 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1513 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
|
1514 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1515 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1516 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1517 /* Select the HMAC SHA224 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1518 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
|
1519 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1520 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1521 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1522 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1523 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1524 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
diff
changeset
|
1526 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1527 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1528 /* Get the key address */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1529 inputaddr = (uint32_t)(hhash->Init.pKey); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1530 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1531 /* Set the HASH DMA transfer complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1532 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1533 /* Set the DMA error callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1534 hhash->hdmain->XferErrorCallback = HASHEx_DMAError; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1535 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1536 /* Enable the DMA In DMA Stream */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
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
Ideenmodellierer
parents:
diff
changeset
|
1538 /* Enable DMA requests */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1539 HASH->CR |= (HASH_CR_DMAE); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1540 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1541 /* Process Unlocked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1542 __HAL_UNLOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1543 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1544 /* Return function status */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1545 return HAL_OK; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1546 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1547 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1548 /** |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1549 * @brief Initializes the HASH peripheral in HMAC SHA256 mode |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1550 * then enables DMA to control data transfer. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1551 * @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
|
1552 * the configuration information for HASH module |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1553 * @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
|
1554 * @param Size Length of the input buffer in bytes. |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1555 * 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
|
1556 * @retval HAL status |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1557 */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1558 HAL_StatusTypeDef HAL_HMACEx_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
|
1559 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1560 uint32_t inputaddr; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1561 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1562 /* Process Locked */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1563 __HAL_LOCK(hhash); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1564 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1565 /* Change the HASH state */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1566 hhash->State = HAL_HASH_STATE_BUSY; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1567 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1568 /* Save buffer pointer and size in handle */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1569 hhash->pHashInBuffPtr = pInBuffer; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1570 hhash->HashBuffSize = Size; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1571 hhash->HashInCount = 0U; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1572 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1573 /* Check if initialization phase has already been performed */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1574 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
|
1575 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1576 /* Check if key size is greater than 64 bytes */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1577 if(hhash->Init.KeySize > 64U) |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1578 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1579 /* Select the HMAC SHA256 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1580 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1581 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1582 else |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1583 { |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1584 /* Select the HMAC SHA256 mode */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1585 HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
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|
1586 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1587 /* Reset the HASH processor core, so that the HASH will be ready to compute |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1588 the message digest of a new message */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1589 HASH->CR |= HASH_CR_INIT; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1590 } |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1591 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff
changeset
|
1592 /* Set the phase */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1593 hhash->Phase = HAL_HASH_PHASE_PROCESS; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1594 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1595 /* Configure the number of valid bits in last word of the message */ |
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Added current STM32 standandard libraries in version independend folder structure
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|
1596 __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1597 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
changeset
|
1598 /* Get the key address */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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|
1599 inputaddr = (uint32_t)(hhash->Init.pKey); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1600 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1601 /* Set the HASH DMA transfer complete callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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|
1602 hhash->hdmain->XferCpltCallback = HASHEx_DMAXferCplt; |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1603 /* Set the DMA error callback */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1604 hhash->hdmain->XferErrorCallback = HASHEx_DMAError; |
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diff
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|
1605 |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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parents:
diff
changeset
|
1606 /* Enable the DMA In DMA Stream */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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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)); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
changeset
|
1608 /* Enable DMA requests */ |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1609 HASH->CR |= (HASH_CR_DMAE); |
c78bcbd5deda
Added current STM32 standandard libraries in version independend folder structure
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diff
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|
1610 |
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Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff
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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****/ |