工程创建参考：
0 Q+ k/ ~7 N* {https://shequ.stmicroelectronics ... p;extra=#pid2657071

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5 B6 q9 J" ?5 J" f3 i生成代码
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定义几个字符串，数组等，模拟文件数据

" f3 j3 S8 k8 `/ |# ]& y    /* USER CODE BEGIN PV */
    char *SourceFile = "STMicroelectronics Community";
    char EncryptFile[128] = {0};
    char DecryptFile[128] = {0};
8 P) r0 i! T& ^9 H% j9 x! g1 m    /* USER CODE END PV */
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: s3 W7 x6 U/ V# kmain.c中添加程序

5 t, l( u6 ]  A2 q+ T; k5 q    /* USER CODE BEGIN BSP */

    /* -- Sample board code to send message over COM1 port ---- */
3 \6 }( p$ r% E! l/ t    printf("Welcome to STM32 world !\n\r");

    /* -- Sample board code to switch on leds ---- */
; U, }, R5 B3 H+ H8 ~) @+ N3 n& z    BSP_LED_On(LED_GREEN);
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    printf("The source file is: %s !\n\r", SourceFile);
: J; q' {! `9 T    HAL_CRYP_Encrypt(&hcryp, SourceFile, strlen(SourceFile), EncryptFile, 1000);
    printf("The encrypted file is: %s !\n\r", EncryptFile);
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    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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6 _( d  q, z+ a) e9 P$ I4 \9 _编译运行，看效果
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0 W* c; y7 ~+ @' ]5 B& h反正加密后的我是看不懂，哈哈哈哈


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