工程创建参考：
https://shequ.stmicroelectronics ... p;extra=#pid2657071
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生成代码
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定义几个字符串，数组等，模拟文件数据
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    /* USER CODE BEGIN PV */
7 \  u8 ~  g, E" r    char *SourceFile = "STMicroelectronics Community";
    char EncryptFile[128] = {0};
    char DecryptFile[128] = {0};
    /* USER CODE END PV */
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9 E5 H$ ]9 S+ p! S% qmain.c中添加程序
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" d5 I  D- Z- H# V# j, _    /* USER CODE BEGIN BSP */
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    /* -- Sample board code to send message over COM1 port ---- */
" D2 D& T6 @3 `5 [5 f2 I: H    printf("Welcome to STM32 world !\n\r");
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    /* -- Sample board code to switch on leds ---- */
1 Y; f8 x, V! }6 t    BSP_LED_On(LED_GREEN);
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, c6 d) N: u) g. M0 I0 [% W    printf("The source file is: %s !\n\r", SourceFile);
    HAL_CRYP_Encrypt(&hcryp, SourceFile, strlen(SourceFile), EncryptFile, 1000);
    printf("The encrypted file is: %s !\n\r", EncryptFile);

    HAL_CRYP_Decrypt(&hcryp, EncryptFile, strlen(SourceFile), DecryptFile, 1000);
    printf("The Decrypted file is: %s !\n\r", DecryptFile);
    /* USER CODE END BSP */
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5 e- Z! t$ Z7 R# J' t编译运行，看效果



- k' A  T; b3 Q) n* v反正加密后的我是看不懂，哈哈哈哈
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