mirror of
https://github.com/STMicroelectronics/STM32CubeF7.git
synced 2025-05-07 19:29:17 +08:00
294 lines
9.0 KiB
C
294 lines
9.0 KiB
C
/**
|
|
******************************************************************************
|
|
* @file CRYP/CRYP_TDESmodes/Src/main.c
|
|
* @author MCD Application Team
|
|
* @brief This sample code shows how to use the STM32F7xx CRYP HAL API
|
|
* to encrypt and decrypt data using TDES in ECB and CBC Algorithm.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2017 STMicroelectronics.
|
|
* All rights reserved.</center></h2>
|
|
*
|
|
* This software component is licensed by ST under BSD 3-Clause license,
|
|
* the "License"; You may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at:
|
|
* opensource.org/licenses/BSD-3-Clause
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "main.h"
|
|
|
|
/** @addtogroup STM32F7xx_HAL_Examples
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup CRYP_Example
|
|
* @{
|
|
*/
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
/* CRYP handler declaration */
|
|
static CRYP_HandleTypeDef hcryp;
|
|
static CRYP_ConfigTypeDef Conf;
|
|
|
|
/* Triple Key */
|
|
uint32_t TDESKey[6] = { 0x01234567,0x89ABCDEF,
|
|
0x23456789,0xABCDEF01,
|
|
0x456789AB,0xCDEF0123};
|
|
|
|
/*Initialization Vector*/
|
|
uint32_t InitVector[2] = {0xF69F2445 ,0xDF4F9B17};
|
|
|
|
/* Plaintext */
|
|
uint32_t Plaintext[8] = { 0x6BC1BEE2, 0x2E409F96, 0xE93D7E11, 0x7393172A,
|
|
0xAE2D8A57, 0x1E03AC9C, 0x9EB76FAC, 0x45AF8E51};
|
|
|
|
/* Expected ECB Ciphertext */
|
|
uint32_t Ciphertext_ECB[8] = {0x714772F3, 0x39841D34,0x267FCC4B,0xD2949CC3,
|
|
0xEE11C22A, 0x576A3038, 0x76183F99, 0xC0B6DE87};
|
|
|
|
/* Expected CBC Ciphertext */
|
|
uint32_t Ciphertext_CBC[8] = {0x2079C3D5, 0x3AA763E1, 0x93B79E25 , 0x69AB5262,
|
|
0x51657048, 0x1F25B50F , 0x73C0BDA8 , 0x5C8E0DA7};
|
|
|
|
/* Used for storing Encrypted text */
|
|
uint32_t Encryptedtext[8]={0};
|
|
|
|
/* Used for storing Decrypted text */
|
|
uint32_t Decryptedtext[8]={0};
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
static void SystemClock_Config(void);
|
|
static void CPU_CACHE_Enable(void);
|
|
static void Error_Handler(void);
|
|
|
|
/* Private functions ---------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Main program
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
int main(void)
|
|
{
|
|
/* Enable the CPU Cache */
|
|
CPU_CACHE_Enable();
|
|
|
|
/* STM32F7xx HAL library initialization:
|
|
- Configure the Flash ART accelerator on ITCM interface
|
|
- Systick timer is configured by default as source of time base, but user
|
|
can eventually implement his proper time base source (a general purpose
|
|
timer for example or other time source), keeping in mind that Time base
|
|
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
|
|
handled in milliseconds basis.
|
|
- Set NVIC Group Priority to 4
|
|
- Low Level Initialization
|
|
*/
|
|
HAL_Init();
|
|
|
|
/* Configure the system clock to 216 MHz */
|
|
SystemClock_Config();
|
|
|
|
/* Configure LED1 and LED3 */
|
|
BSP_LED_Init(LED1);
|
|
BSP_LED_Init(LED3);
|
|
|
|
/*## Set the CRYP parameters and initialize the IP ######################################*/
|
|
hcryp.Instance = CRYP;
|
|
hcryp.Init.DataType = CRYP_DATATYPE_32B;
|
|
hcryp.Init.pKey = TDESKey;
|
|
hcryp.Init.Algorithm = CRYP_TDES_ECB;
|
|
HAL_CRYP_Init(&hcryp);
|
|
|
|
/*##-1- TDES ECB Encryption #######################################*/
|
|
|
|
/* Encryption, result in Encryptedtext buffer */
|
|
HAL_CRYP_Encrypt(&hcryp, Plaintext, 8, Encryptedtext, TIMEOUT_VALUE);
|
|
if(memcmp(Encryptedtext, Ciphertext_ECB, 32) != 0)
|
|
{
|
|
/* Not expected result, wrong on Encryptedtext buffer: Turn LED3 on */
|
|
Error_Handler();
|
|
}
|
|
/*##-2- TDES CBC Encryption #######################################*/
|
|
|
|
/* Get current CRYP parameters */
|
|
HAL_CRYP_GetConfig(&hcryp, &Conf);
|
|
|
|
/* Set new parameters and configure the CRYP */
|
|
Conf.pInitVect = InitVector;
|
|
Conf.Algorithm = CRYP_TDES_CBC;
|
|
HAL_CRYP_SetConfig(&hcryp, &Conf);
|
|
|
|
/* Encryption, result in Encryptedtext buffer */
|
|
HAL_CRYP_Encrypt(&hcryp, Plaintext, 8, Encryptedtext, TIMEOUT_VALUE);
|
|
|
|
if(memcmp(Encryptedtext, Ciphertext_CBC, 32) != 0)
|
|
{ /* Not expected result, wrong on Encryptedtext buffer: Turn LED3 on */
|
|
Error_Handler();
|
|
}
|
|
/*##-3- TDES ECB Decryption #######################################*/
|
|
|
|
/* Set new parameters and configure the CRYP */
|
|
Conf.Algorithm = CRYP_TDES_ECB;
|
|
HAL_CRYP_SetConfig(&hcryp, &Conf);
|
|
|
|
/* Decryption, result in Decryptedtext buffer */
|
|
HAL_CRYP_Decrypt(&hcryp, Ciphertext_ECB , 8, Decryptedtext, TIMEOUT_VALUE);
|
|
if(memcmp(Decryptedtext, Plaintext, 32) != 0)
|
|
{
|
|
/* Not expected result, wrong on Decryptedtext buffer: Turn LED3 on */
|
|
Error_Handler();
|
|
}
|
|
/*##-4- TDES CBC Decryption #######################################*/
|
|
|
|
/* Set new parameters and configure the CRYP */
|
|
Conf.Algorithm = CRYP_TDES_CBC;
|
|
HAL_CRYP_SetConfig(&hcryp, &Conf);
|
|
|
|
/* Decryption, result in Decryptedtext buffer */
|
|
HAL_CRYP_Decrypt(&hcryp, Ciphertext_CBC, 8, Decryptedtext, TIMEOUT_VALUE);
|
|
|
|
if(memcmp(Decryptedtext, Plaintext, 32) != 0)
|
|
{ /* Not expected result, wrong on Decryptedtext buffer: Turn LED3 on */
|
|
Error_Handler();
|
|
}
|
|
else
|
|
{
|
|
/* Right Encryptedtext & Decryptedtext buffer : Turn LED1 on */
|
|
BSP_LED_On(LED1);
|
|
}
|
|
|
|
/* Infinite loop */
|
|
while (1)
|
|
{
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* The system Clock is configured as follow :
|
|
* System Clock source = PLL (HSE)
|
|
* SYSCLK(Hz) = 216000000
|
|
* HCLK(Hz) = 216000000
|
|
* AHB Prescaler = 1
|
|
* APB1 Prescaler = 4
|
|
* APB2 Prescaler = 2
|
|
* HSE Frequency(Hz) = 25000000
|
|
* PLL_M = 25
|
|
* PLL_N = 432
|
|
* PLL_P = 2
|
|
* PLL_Q = 9
|
|
* VDD(V) = 3.3
|
|
* Main regulator output voltage = Scale1 mode
|
|
* Flash Latency(WS) = 7
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void SystemClock_Config(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
HAL_StatusTypeDef ret = HAL_OK;
|
|
|
|
/* Enable HSE Oscillator and activate PLL with HSE as source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 25;
|
|
RCC_OscInitStruct.PLL.PLLN = 432;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLQ = 9;
|
|
|
|
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
|
|
/* Activate the OverDrive to reach the 216 MHz Frequency */
|
|
ret = HAL_PWREx_EnableOverDrive();
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
|
|
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
|
|
|
|
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief CPU L1-Cache enable.
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void CPU_CACHE_Enable(void)
|
|
{
|
|
/* Enable I-Cache */
|
|
SCB_EnableICache();
|
|
|
|
/* Enable D-Cache */
|
|
SCB_EnableDCache();
|
|
}
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void Error_Handler(void)
|
|
{
|
|
/* Turn LED3 on */
|
|
BSP_LED_On(LED3);
|
|
while (1)
|
|
{
|
|
}
|
|
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
|
|
/* Infinite loop */
|
|
while (1)
|
|
{
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|