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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4 \6 ]0 P' ]( I+ k: {, Y3 F    /* USER CODE BEGIN PV */
- ^! @" b! E  F* N1 r+ l9 h2 _    char *SourceFile = "STMicroelectronics Community";
' v+ W, g0 H0 h: {/ p$ J    char EncryptFile[128] = {0};
0 f  g3 r# X6 F4 t    char DecryptFile[128] = {0};
    /* USER CODE END PV */
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main.c中添加程序
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2 J) C% m: ^) K; p8 e: f    /* USER CODE BEGIN BSP */

9 O! B* D" K- D8 Y' B  ~( ~    /* -- Sample board code to send message over COM1 port ---- */
$ T1 ~, T/ M* g8 c/ q# h    printf("Welcome to STM32 world !\n\r");
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$ ~8 J8 Z7 L' k; a* U8 U1 r    /* -- Sample board code to switch on leds ---- */
8 q$ w) a- X$ E    BSP_LED_On(LED_GREEN);
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    printf("The source file is: %s !\n\r", SourceFile);
    HAL_CRYP_Encrypt(&hcryp, SourceFile, strlen(SourceFile), EncryptFile, 1000);
, H$ v/ O3 s' i( \6 n    printf("The encrypted file is: %s !\n\r", EncryptFile);

; O' U5 \8 e; G  x8 _    HAL_CRYP_Decrypt(&hcryp, EncryptFile, strlen(SourceFile), DecryptFile, 1000);
    printf("The Decrypted file is: %s !\n\r", DecryptFile);
4 c8 x( ]' _8 J8 T' V# h& g  L    /* USER CODE END BSP */

, l$ x5 D% Z7 m+ y2 i, k5 y  i编译运行，看效果
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反正加密后的我是看不懂，哈哈哈哈

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