工程创建参考：
, Z: \* A8 L* V  a. ]https://shequ.stmicroelectronics ... p;extra=#pid2657071
% l& l  r) U3 F0 v0 ?7 n4 y
2 f0 H6 y& F& A3 ^6 |( Z. R" K  Q1 I* M
; ]2 W! K" g+ f4 s: j( M3 c5 [' w
6 r1 V  i, u8 M- Q* K5 R1 ^3 S

生成代码
9 ?4 g  h* N0 e& F" m
  H2 H$ \% s# X# v" V4 ?定义几个字符串，数组等，模拟文件数据

    /* USER CODE BEGIN PV */
    char *SourceFile = "STMicroelectronics Community";
1 \9 f3 ^3 E% G9 |; D) @    char EncryptFile[128] = {0};
    char DecryptFile[128] = {0};
    /* USER CODE END PV */

main.c中添加程序

    /* USER CODE BEGIN BSP */

    /* -- Sample board code to send message over COM1 port ---- */
$ j+ @) s, ?) ]" r! ]    printf("Welcome to STM32 world !\n\r");
5 [5 T. L( k" [4 r4 u: J
. ]; X( A$ l" m: W( }" A    /* -- Sample board code to switch on leds ---- */
    BSP_LED_On(LED_GREEN);
* {/ z% @: R9 }3 b9 k7 z0 C% N
7 X# p& k: _( e0 J: q& y& n% m    printf("The source file is: %s !\n\r", SourceFile);
5 e( G7 _0 @. a% M5 O. y/ ~    HAL_CRYP_Encrypt(&hcryp, SourceFile, strlen(SourceFile), EncryptFile, 1000);
  o2 ~5 w: G. p$ ]2 ]& z    printf("The encrypted file is: %s !\n\r", EncryptFile);

/ }& @" J7 A- r" S    HAL_CRYP_Decrypt(&hcryp, EncryptFile, strlen(SourceFile), DecryptFile, 1000);
    printf("The Decrypted file is: %s !\n\r", DecryptFile);
    /* USER CODE END BSP */

编译运行，看效果

3 K+ W# J9 d1 ~7 y# u4 d9 C0 @5 |
3 P& a& W# h- K2 A- h
反正加密后的我是看不懂，哈哈哈哈

5 @$ M' E! U" C