软件加密OK

App/Inc/anemometer_dev.h

@@ -21,7 +21,7 @@
 
 
 
-
+#define K_128 0xA12EE1FE
 // 延时REV_MUTE_DELAY us启动ADC采集数据
 // 最大风速30m/s 2.5M 采样率  延时260uS
 #define REV_MUTE_DELAY_US 174

App/Inc/encrypt.h

@@ -3,6 +3,10 @@
 #include "comm_types.h"
 #include "stm32l4xx_hal.h"
 #include "inflash.h"
+#include "anemometer_dev.h"
+#include "frt_protocol.h"
+
+#define K_64 0x9B45824A
 
 uint8_t JudgeEncrypt();
 

App/Inc/frt_protocol.h

@@ -140,6 +140,8 @@ typedef struct _FRT_RegProcTable_s{
 void read_and_process_uart_data(device_handle uart_handle);
 #pragma pack(pop)
 
+extern uint32_t K_96;
+
 #ifdef __cplusplus
 }
 #endif

App/Inc/inflash.h

@@ -31,6 +31,14 @@ typedef struct _usr_config_info{
    u_int16_t uart_baud;                             /* 串口波特率         */
    u_int16_t speed_average_time;                    /* 风速平均时间       */
    u_int16_t temp_hum_update_time;                  /* 温湿度平均时间     */
+   u_int16_t temp0;                                 /* 占位留待升级 	  */
+   u_int16_t temp1;                                 /* 占位留待升级 	  */
+   u_int16_t temp2;                                 /* 占位留待升级 	  */
+   u_int16_t temp3;                                 /* 占位留待升级 	  */
+   u_int16_t temp4;                                 /* 占位留待升级 	  */
+   u_int16_t temp5;                                 /* 占位留待升级 	  */
+   u_int16_t temp6;                                 /* 占位留待升级 	  */
+   u_int16_t temp7;                                 /* 占位留待升级 	  */
    u_int8_t  flag_end;
 }usr_config_info;
 
@@ -57,6 +65,16 @@ typedef struct _factory_config_info{
    u_int16_t linear_point_5_y;                      /* 线性插值点5Y 	  */
    u_int16_t linear_enable;                         /* 线性插值使能 	  */
    u_int32_t encrypt_1;                             /* 后32位密文         */
+   u_int16_t temp0;                                 /* 占位留待升级 	  */
+   u_int16_t temp1;                                 /* 占位留待升级 	  */
+   u_int16_t temp2;                                 /* 占位留待升级 	  */
+   u_int16_t temp3;                                 /* 占位留待升级		  */
+   u_int16_t temp4;                                 /* 占位留待升级 	  */
+   u_int16_t temp5;                                 /* 占位留待升级 	  */
+   u_int16_t temp6;                                 /* 占位留待升级 	  */
+   u_int16_t temp7;                                 /* 占位留待升级		  */
+   u_int16_t temp8;                                 /* 占位留待升级 	  */
+   u_int16_t temp9;                                 /* 占位留待升级 	  */
    u_int8_t  flag_end;
 }factory_config_info;
 #pragma pack(pop)

App/Src/anemometer_dev.c

@@ -8,6 +8,7 @@
 #include "hp203b.h"
 #include "FIR.h"
 #include "LowPassFilter.h"
+#include "encrypt.h"
 
 #define AVE_TIME 600 //滑动平均时间，秒，最大600
 #define COVER_TINE 10 //探头遮挡后导致的接收次数过小的报错临界次数
@@ -461,6 +462,8 @@ char str[100];
 
 void wind_task(void const * argument)
 {
+    //软件加密校验
+    uint8_t wind_check_flag = JudgeEncrypt();
     // 最大幅值
     uint16_t wave_max_val1;
     uint16_t wave_max_val2;
@@ -478,6 +481,11 @@ void wind_task(void const * argument)
   initLowPassFilter(&low_pass_filter_y, LOW_PASS_ALPHA);
   for(;;)
   {
+      if(!wind_check_flag)
+      {
+          osDelay(1000);
+          continue;
+      }
     __HAL_TIM_DISABLE(&htim16);
     // 采集X轴风速耗时 22ms，两轴采集完44ms
     __HAL_TIM_SET_COUNTER(&htim16,0);
@@ -1052,10 +1060,13 @@ void my_update_mcs_param(float new_wind_speed, float new_wind_dirction)
         win_10min.index = (win_10min.index + 1) % g_usrConfigInfo.speed_average_time;//更新索引
 }
 
+
 void tem_hum_update_task(void const * argument)
 {
-    int time_s_temp_humi = 0;
+    uint8_t tem_hun_check_flag = JudgeEncrypt();
-    uint32_t time_s_1Day = 0;
+        
+    uint16_t time_s_temp_humi = 0;//1秒计时，温湿度更新
+    uint32_t time_s_1Day = 0;//1天的秒数
     
     float backupTemperature;
     
@@ -1080,6 +1091,7 @@ void tem_hum_update_task(void const * argument)
     while(1)
     {
         osDelay(1000);
+        if(!tem_hun_check_flag)continue;
         time_s_temp_humi ++;
         time_s_1Day ++;
 //        温湿度大气压更新

App/Src/encrypt.c

@@ -1,32 +1,11 @@
 #include "encrypt.h"
 
-/* TEA加密算法的加密过程 */
-void tea_encrypt(uint32_t *en, uint32_t *k) 
-{
-    uint32_t v[2];
-    v[0] = *(uint32_t*)(0x1FFF7590);
-    v[1] = *(uint32_t*)(0x1FFF7590 + 4);
-    uint32_t v0 = v[0], v1 = v[1], sum = 0, i;           // 初始化v0, v1, sum
-    uint32_t delta = 0x9e3779b9;                          // 初始化delta
-    uint32_t k0 = k[0], k1 = k[1], k2 = k[2], k3 = k[3];   // 初始化密钥k
-    for (i = 0; i < 32; i++) {                            // 执行32轮加密
-        sum += delta;
-        v0 += ((v1 << 4) + k0) ^ (v1 + sum) ^ ((v1 >> 5) + k1);
-        v1 += ((v0 << 4) + k2) ^ (v0 + sum) ^ ((v0 >> 5) + k3);
-    }
-    en[0] = v0;                                            // 返回加密结果
-    en[1] = v1;
-   
-//    term_printf("%x %x", v[0], v[1]);
-}
-
 /* TEA加密算法的解密过程 */
-void tea_decrypt(uint32_t *v, uint32_t *k) 
+static void tea_decrypt(uint32_t *v, uint32_t *k)
 {
 	uint32_t delta = 0x9e3779b9;                          // 初始化delta
-//    uint32_t v0 = 0x93ae5ba8, v1 = 0xc5ba4e82, sum = delta << 5, i;    // 初始化v0, v1, sum
     uint32_t v0 = g_stConfigInfo.encrypt_0, v1 = g_stConfigInfo.encrypt_1, sum = delta << 5, i;    // 初始化v0, v1, sum
-    uint32_t k0 = k[0], k1 = k[1], k2 = k[2], k3 = k[3];   // 初始化密钥k
+    uint32_t k3 = k[3] ^ k[0], k2 = (k[2] ^ (*(uint32_t*)(0x1FFF7590))), k1 = k[1] ^ k[0], k0 = k[0] ^ (*(uint32_t*)(0x1FFF7590 + 4));   // 反算密钥
     for(i = 0; i < 32; i++) {                             // 执行32轮解密
         v1 -= ((v0 << 4) + k2) ^ (v0 + sum) ^ ((v0 >> 5) + k3);
         v0 -= ((v1 << 4) + k0) ^ (v1 + sum) ^ ((v1 >> 5) + k1);
@@ -45,7 +24,8 @@ void tea_decrypt(uint32_t *v, uint32_t *k)
 uint8_t JudgeEncrypt()
 {
     uint32_t encryptCode[2] = {0};
-    uint32_t key[] = {0x509770ff, 0x29c6b369, 0x4da2c125, 0x7d729015}; //密钥可能要打散位置，不在这里定死
+//    uint32_t key[] = {0x509770ff, 0x29c6b369, 0x4da2c125, ID中间32位}; //
+    uint32_t key[] = {(K_128 >> 1) ^ (*(uint32_t*)(0x1FFF7590 + 4)), (K_96 >> 2) ^ key[0], (K_64 >>1) ^ (*(uint32_t*)(0x1FFF7590)), (*(uint32_t*)(0x1FFF7590 + 4)) ^ key[0]};    
     tea_decrypt(encryptCode, key);
     return ((*(uint32_t*)(0x1FFF7590)) == encryptCode[0] && (*(uint32_t*)(0x1FFF7590 + 4)) == encryptCode[1]);
 }

App/Src/frt_protocol.c

@@ -1536,6 +1536,7 @@ void FRT_MsgHandler(device_handle device, u_int8_t *pMsg, u_int32_t MsgLen)
   * @param  
   * @retval 
   */
+uint32_t K_96 = 0xA71ACDA4;
 static u_int8_t rs485_buff[50]={0x00};
 void read_and_process_uart_data(device_handle device)
 {

Core/Src/freertos.c

@@ -192,11 +192,15 @@ void LEDTask(void const * argument)
 {
   /* USER CODE BEGIN StartDefaultTask */
   /* Infinite loop */
+  uint8_t LED_Check_flag = JudgeEncrypt();
   for(;;)
   {
     osDelay(1000);
+    if(LED_Check_flag)
+    {
     HAL_GPIO_TogglePin(GPIOC,GPIO_LED_CTRL_Pin);
     }
+  }
   /* USER CODE END StartDefaultTask */
 }
 /* USER CODE END Application */