完成机场设备授权和机场无人机的状态获取

rain

2024-08-07 800cd06bd490444adc45e1d1e5d31ddba9ed9659

完成机场设备授权和机场无人机的状态获取

 src/main/java/com/dji/sample/common/model/ResponseResult.java

@@ -24,6 +24,8 @@

    private T data;

    private String traceid;

    public static <T> ResponseResult<T> success(T data) {
        return ResponseResult.<T>builder()
                .code(CODE_SUCCESS)
@@ -38,6 +40,7 @@
                .message(MESSAGE_SUCCESS)
                .build();
    }

    public static ResponseResult success(int code) {
        return ResponseResult.builder()
                .code(code)
@@ -45,6 +48,14 @@
                .build();
    }

    public static ResponseResult success(int code, String message,String traceid) {
        return ResponseResult.builder()
                .code(code)
                .message(message)
                .traceid(traceid)
                .build();
    }

    public static ResponseResult error() {
        return ResponseResult.builder()
                .code(HttpStatus.INTERNAL_SERVER_ERROR.value())

 src/main/java/com/dji/sample/droneairport/controller/RegistController.java

@@ -1,41 +1,44 @@
package com.dji.sample.droneairport.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.dji.sample.common.model.ResponseResult;
import com.dji.sample.droneairport.model.param.AddDeviceParam;
import com.dji.sample.droneairport.model.param.RegistParam;
import com.dji.sample.droneairport.dao.DeviceExpanSionDao;
import com.dji.sample.droneairport.model.Entity.DeviceExpanSionEntity;
import com.dji.sample.droneairport.model.dto.AddDeviceDto;
import com.dji.sample.droneairport.service.RegistService;
import com.dji.sample.manage.service.impl.DeviceRedisServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@RequestMapping("/droneAirport")
@RestController
public class RegistController {
    @Autowired
    private RegistService registService;
    @Autowired
    private DeviceExpanSionDao expanSionDao;

    @PostMapping("/RegistService")
    public ResponseResult resgitePort(@RequestBody RegistParam param) {
        return ResponseResult.success(registService.registPort(param));
    }
    @Autowired
    private DeviceRedisServiceImpl deviceRedisService;

    @PostMapping("/addDevice")
    public ResponseResult registeDrone(@RequestBody AddDeviceParam param) {
        param.setBrand("大疆");
        param.setDeviceid("1581F6QAD241500BDZ3J");
        param.setModel("M3D");
        param.setHeight(15);
        param.setLatitude(25.8917271933111);
        param.setLongitude(116.02094292569765);
        param.setRadius(7000);
        param.setRegioncode("360781");
        return ResponseResult.success(registService.addDrone(param));
    //    @PostMapping("/RegistService")
//    public ResponseResult resgitePort(@RequestBody RegistDto param) {
//        return ResponseResult.success(registService.registPort(param));
//    }
    @PostMapping("/authorization")
    public ResponseResult checkDeviceOnline(@RequestBody String body, HttpServletRequest request) throws Exception {
        String headerValue = request.getHeader("x-lc-secret");
        return registService.authorization(body,headerValue);

    }
    @PostMapping("/test")
    public ResponseResult test(@RequestBody AddDeviceParam param) {
        return ResponseResult.success(param);
    @PostMapping("/addDevice/{workspace_id}")
    public ResponseResult registeDrone(@PathVariable(name = "workspace_id") String workspaceId) {
        return ResponseResult.success(registService.addDrone(workspaceId));
    }
    @GetMapping("/getDroneStatus")
    public ResponseResult droneStatus(@RequestParam String deviceid){
    @GetMapping("/getDroneStatus/{deviceid}")
    public ResponseResult droneStatus(@PathVariable (name = "deviceid") String deviceid , HttpServletRequest request) throws Exception {
        return ResponseResult.success(registService.getDroneState(deviceid));
    }
}

 src/main/java/com/dji/sample/droneairport/dao/DeviceExpanSionDao.java

New file
@@ -0,0 +1,9 @@
package com.dji.sample.droneairport.dao;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.dji.sample.droneairport.model.Entity.DeviceExpanSionEntity;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface DeviceExpanSionDao extends BaseMapper<DeviceExpanSionEntity> {
}

 src/main/java/com/dji/sample/droneairport/model/Entity/DeviceExpanSionEntity.java

New file
@@ -0,0 +1,66 @@
package com.dji.sample.droneairport.model.Entity;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@TableName(value = "manage_device_expansion")
public class DeviceExpanSionEntity {

    @TableId(value = "id", type = IdType.AUTO)
    private int id;

    @TableField("workspace_id")
    private String workspaceId;

    @TableField("service_url")
    private String serviceUrl;

    @TableField("live_stream_plugin_url")
    private String liveStreamPluginUrl;

    @TableField("contracts")
    private String contracts;

    @TableField("phone")
    private String phone;

    @TableField("regioncode")
    private String regioncode;

    @TableField("brand")
    private String brand;

    @TableField("model")
    private String model;

    @TableField("device_id")
    private String deviceId;

    @TableField("longitude")
    private double longitude;

    @TableField("latitude")
    private double latitude;

    @TableField("height")
    private double height;

    @TableField("radius")
    private double radius;

    @TableField("status")
    private Integer status;

    @TableField("type")
    private Integer type;
}

 src/main/java/com/dji/sample/droneairport/model/dto/AddDeviceDto.java

New file
@@ -0,0 +1,30 @@
package com.dji.sample.droneairport.model.dto;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;


@Builder
@NoArgsConstructor
@AllArgsConstructor
@Data
public class AddDeviceDto {

    private String regioncode;

    private String deviceid;

    private String brand;

    private String model;

    private double longitude;

    private double latitude;

    private double height;

    private double radius;
}

 src/main/java/com/dji/sample/droneairport/model/dto/DroneStateDto.java

@@ -1,11 +1,17 @@
package com.dji.sample.droneairport.model.dto;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class DroneStateDto {

    private int mode_code;
    private int modeCode;

    private double longitude;


 src/main/java/com/dji/sample/droneairport/model/dto/RegistDto.java

New file
@@ -0,0 +1,23 @@
package com.dji.sample.droneairport.model.dto;

import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;


@Builder
@NoArgsConstructor
@AllArgsConstructor
@Data
public class RegistDto {
    @JsonProperty("serviceUrl")
    private String serviceUrl;
    @JsonProperty("liveStreamPluginUrl")
    private String liveStreamPluginUrl;

    private String contacts;

    private String phone;
}

 src/main/java/com/dji/sample/droneairport/model/param/AddDeviceParam.java

File was deleted

 src/main/java/com/dji/sample/droneairport/model/param/RegistParam.java

File was deleted

 src/main/java/com/dji/sample/droneairport/service/RegistService.java

@@ -1,14 +1,16 @@
package com.dji.sample.droneairport.service;

import com.dji.sample.common.model.ResponseResult;
import com.dji.sample.droneairport.model.Entity.DeviceExpanSionEntity;
import com.dji.sample.droneairport.model.dto.DroneStateDto;
import com.dji.sample.droneairport.model.param.AddDeviceParam;
import com.dji.sample.droneairport.model.param.RegistParam;

public interface RegistService {

    String registPort(RegistParam param);
    String registPort(DeviceExpanSionEntity airport);

    String addDrone(AddDeviceParam param);
    String addDrone(String workspceId);

    DroneStateDto getDroneState(String deviceId);
    ResponseResult getDroneState(String deviceId) throws Exception;

    ResponseResult authorization(String base64, String Secret) throws Exception;
}

 src/main/java/com/dji/sample/droneairport/service/impl/RegistServiceImpl.java

@@ -1,15 +1,26 @@
package com.dji.sample.droneairport.service.impl;


import cn.hutool.json.JSONObject;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.dji.sample.common.model.ResponseResult;
import com.dji.sample.component.redis.RedisOpsUtils;
import com.dji.sample.droneairport.dao.DeviceExpanSionDao;
import com.dji.sample.droneairport.model.Entity.DeviceExpanSionEntity;
import com.dji.sample.droneairport.model.dto.AddDeviceDto;
import com.dji.sample.droneairport.model.dto.DroneStateDto;
import com.dji.sample.droneairport.model.param.AddDeviceParam;
import com.dji.sample.droneairport.model.param.RegistParam;
import com.dji.sample.droneairport.model.dto.RegistDto;
import com.dji.sample.droneairport.service.RegistService;
import com.dji.sample.droneairport.utils.AuthUtil;
import com.dji.sample.droneairport.utils.SM2.Utils;
import com.dji.sample.droneairport.utils.SM4Util;
import com.dji.sample.manage.model.receiver.OsdSubDeviceReceiver;
import com.dji.sample.manage.service.IDeviceRedisService;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.bouncycastle.crypto.InvalidCipherTextException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.*;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
@@ -24,21 +35,26 @@
public class RegistServiceImpl implements RegistService {
    private final RestTemplate restTemplate = new RestTemplate();
    private final ObjectMapper objectMapper = new ObjectMapper();
    @Autowired
    private IDeviceRedisService redisService;
    @Autowired
    private DeviceExpanSionDao expanSionDao;

    public String registPort(RegistParam param) {
    public String registPort(DeviceExpanSionEntity airport) {
        try {
            RegistDto registDto = airportEntityToDto(airport);
            // 构建请求体
            String jsonBody = buildRequestBody(param);
            String jsonBody = buildRequestBody(registDto);
            // 设置请求头
            String base64=SM4Util.encrypt("jsimjrby3wqb7dbq",jsonBody);
            String base64 = SM4Util.encrypt("jsimjrby3wqb7dbq", jsonBody);
            // 设置请求头
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            headers.setAccept(List.of(MediaType.APPLICATION_JSON, MediaType.TEXT_PLAIN, MediaType.ALL));
            headers.set("Accept-Language", "zh-CN,zh;q=0.9");
            headers.setConnection("keep-alive");
            headers.set("x-auth-token", AuthUtil.getToken());
            headers.set("x-lc-token",Utils.encrypt("jsimjrby3wqb7dbq","044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98"));
            headers.set("x-lc-token", AuthUtil.getToken());
            headers.set("x-lc-secret", Utils.hexToBase64(Utils.encrypt("jsimjrby3wqb7dbq", "044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98")));
            // 构建请求实体
            HttpEntity<String> requestEntity = new HttpEntity<>(base64, headers);
            // 发送请求
@@ -55,37 +71,28 @@
        }
    }

    private String buildRequestBody(RegistParam param) {
    private String buildRequestBody(RegistDto dto) {
        try {
            return objectMapper.writeValueAsString(param);
            return objectMapper.writeValueAsString(dto);
        } catch (JsonProcessingException e) {
            throw new RuntimeException("数据有误", e);
        }
    }

    @Override
    public String addDrone(AddDeviceParam param) {
    public String addDrone(String workspaceId) {
        try {
            DeviceExpanSionEntity airport = expanSionDao.selectOne(new LambdaQueryWrapper<DeviceExpanSionEntity>()
                    .eq(DeviceExpanSionEntity::getWorkspaceId, workspaceId)
                    .eq(DeviceExpanSionEntity::getType, 0));
            DeviceExpanSionEntity drone = expanSionDao.selectOne(new LambdaQueryWrapper<DeviceExpanSionEntity>()
                    .eq(DeviceExpanSionEntity::getWorkspaceId, workspaceId)
                    .eq(DeviceExpanSionEntity::getType, 1));
            AddDeviceDto dto = deviceEntityToDto(drone);
            // 构建请求体
            String jsonBody = buildRequestBody(param);
            String jsonBody = buildRequestBody(dto);
            String base64 = SM4Util.encrypt("jsimjrby3wqb7dbq", jsonBody);
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            System.out.println(AuthUtil.getToken());
            String secret = enSM2("jsimjrby3wqb7dbq", "044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98");
            // 设置请求头
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
@@ -93,15 +100,15 @@
            headers.set("Accept-Language", "zh-CN,zh;q=0.9");
            headers.setConnection("keep-alive");
            headers.set("x-lc-token", AuthUtil.getToken());
            headers.set("x-lc-secret", Utils.encrypt("jsimjrby3wqb7dbq", "044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98"));
            headers.set("x-lc-secret", secret);

            // 构建请求实体
            HttpEntity<byte[]> requestEntity = new HttpEntity<>(base64.getBytes(), headers);
            HttpEntity<String> requestEntity = new HttpEntity<>(base64, headers);

            // 发送请求
            RestTemplate restTemplate = new RestTemplate();
            String response = restTemplate.postForObject("https://xcx.geoway.com.cn:8033/v1/droneAirport/addDevice", requestEntity, String.class);

            registPort(airport);
            return response;

        } catch (Exception e) {
@@ -111,37 +118,53 @@
    }

    @Override
    public DroneStateDto getDroneState(String deviceId) {
        return null;
    public ResponseResult getDroneState(String deviceId) throws Exception {
        DroneStateDto data = getAirportFromCache(deviceId);
        String json = JSON.toJSONString(data);
        String SM4Screct = SM4Util.encrypt("jsimjrby3wqb7dbq", json);
        String SM2Screct = enSM2(SM4Screct, "23E57DA1E4AB865CCBC325B668762207DEF74345B782237808AE0BABDF26734D");
        return ResponseResult.success(SM2Screct);
    }

    private String buildRequestBody(AddDeviceParam param) {
    @Override
    public ResponseResult authorization(String base64, String enSm4) throws Exception {
        String sm4Secrect = deSM2(enSm4, "23E57DA1E4AB865CCBC325B668762207DEF74345B782237808AE0BABDF26734D");
        String decryptedJson = SM4Util.decrypt(sm4Secrect, base64);
        JSONObject jsonObject = new JSONObject(decryptedJson);
        String deviceId = jsonObject.getStr("deviceid");
        boolean online = redisService.checkDeviceOnline(deviceId);
        if (online) {
            return ResponseResult.success(200, "无人机机场授权成功！", "");
        }
        return ResponseResult.error(500, "无人机机场授权失败！");
    }

    private String buildRequestBody(AddDeviceDto dto) {
        try {
            return objectMapper.writeValueAsString(param);
            return objectMapper.writeValueAsString(dto);
        } catch (JsonProcessingException e) {
            throw new RuntimeException("数据有误", e);
        }
    }
    public static String getSM2(String data, String key, String pubKey) throws InvalidCipherTextException, IOException {
        String text = SM4Util.encrypt(key, data);
        String encrypt = Utils.encrypt(text, pubKey);


    public static String enSM2(String data, String pubKey) throws InvalidCipherTextException, IOException {
        String encrypt = Utils.encrypt(data, pubKey);
        encrypt = Utils.hexToBase64(encrypt);
        return encrypt;
    }

    public static String deSM2(String Base64, String priKey, String serect) throws Exception {
    public static String deSM2(String Base64, String priKey) throws Exception {
        String hex = Utils.convertBase64ToHex(Base64);
        String decrypt = Utils.decrypt(hex, priKey);
        return SM4Util.decrypt(serect, decrypt);
        return Utils.decrypt(hex, priKey);
    }

    public static void main(String[] args) throws Exception {
        System.out.println(getSM2("jsimjrby3wqb7dbq", "jsimjrby3wqb7dbq", "044c4e29d89bc0389409e204b8c072af927d2bfbc62265472463f6fa2642e565411925c58ca72b8da87d743afffa9f94aeaee4351a0511692e06ad1567ba32d236"));

        System.out.println(deSM2("BN2taHcWvZhysmUbAHjPAWo/vAgW3pCTv4CK0dHJoUpM62k1oUeYnMvK4twfcBs/qkbygkAt+4pUaBa6iomM9MSKVCtOSb1QAaAQ9milAvkDPSBE9yrYHzLQeLkT9HwENBJ5NanF6vl2nPgpC1d1q+XeJEBrEvJtpQkSHHsh/me/1+h9zPy0MpMkH89S",
                "00e9ced7f847e5b414ef4f4f164ec5f83172b3183826c075f0e37d3f8a1e1f6c2c", "jsimjrby3wqb7dbq"));
        System.out.println(enSM2("jsimjrby3wqb7dbq", "044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98"));
        System.out.println(deSM2("BK010WH/Ax++jp57tWA4eHwbB26eqiG7bwmDfzaEGAtA6XN6/lQDt34mL0x4l4fEIOmQSzVfMqt4SV901gjzwf19mAeuPfM8AuCqCZsWZ9QU1bEx5ZqMIUDlFn9ngEbSbZ8qb1ERDvYtaMN5YE+9uI8=", "23E57DA1E4AB865CCBC325B668762207DEF74345B782237808AE0BABDF26734D"));
        System.out.println(createKey());
    }

    public static Map<String, String> createKey() throws NoSuchAlgorithmException {
        Map<String, String> keyPair = Utils.createKeyPair();
        Map<String, String> newKey = new HashMap<>();
@@ -149,4 +172,54 @@
        newKey.put("privateKey", keyPair.get("pveky"));
        return newKey;
    }
}

    public AddDeviceDto deviceEntityToDto(DeviceExpanSionEntity entity) {
        AddDeviceDto.AddDeviceDtoBuilder builder = AddDeviceDto.builder();
        if (entity != null) {
            builder.brand(entity.getBrand())
                    .height(entity.getHeight())
                    .longitude(entity.getLongitude())
                    .latitude(entity.getLatitude())
                    .radius(entity.getRadius())
                    .regioncode(entity.getRegioncode())
                    .deviceid(entity.getDeviceId())
                    .model(entity.getModel())
                    .build();
        }
        return builder.build();
    }

    public RegistDto airportEntityToDto(DeviceExpanSionEntity entity) {
        RegistDto.RegistDtoBuilder builder = RegistDto.builder();
        if (entity != null) {
            builder.serviceUrl(entity.getServiceUrl())
                    .contacts(entity.getContracts())
                    .phone(entity.getPhone())
                    .liveStreamPluginUrl(entity.getLiveStreamPluginUrl())
                    .build();
        }
        return builder.build();
    }

    public OsdSubDeviceReceiver getDroneFromCache(String sn) {
        String key = "osd:" + sn;
        return (OsdSubDeviceReceiver) RedisOpsUtils.get(key);
    }


    public DroneStateDto getAirportFromCache(String deviceId) {
        OsdSubDeviceReceiver receiver = getDroneFromCache(deviceId);
        DroneStateDto.DroneStateDtoBuilder builder = DroneStateDto.builder();
        builder.gimbalYal(receiver.getAttitudeHead())
                .gimbalPitch(receiver.getAttitudePitch())
                .batteryCapacityPercent(receiver.getBattery().getCapacityPercent())
                .height(receiver.getHeight())
                .latitude(receiver.getLatitude())
                .longitude(receiver.getLongitude())
                .modeCode(0)
                .elevation(receiver.getElevation())
                .gpsState(2)
                .build();
        return builder.build();
    }
}

 src/main/java/com/dji/sample/droneairport/utils/DroneData.java

New file
@@ -0,0 +1,21 @@
package com.dji.sample.droneairport.utils;

import com.dji.sample.component.redis.RedisOpsUtils;
import com.dji.sample.droneairport.model.Entity.DeviceExpanSionEntity;
import com.dji.sample.manage.model.receiver.OsdSubDeviceReceiver;
import org.springframework.stereotype.Service;

@Service
public class DroneData {



    public OsdSubDeviceReceiver getDroneFromCache(String sn) {
        String key ="osd:"+sn;
        return (OsdSubDeviceReceiver)RedisOpsUtils.get(key);
    }

    public static void main(String[] args) {

    }
}

 src/main/java/com/dji/sample/droneairport/utils/SM2/Test.java

@@ -9,10 +9,10 @@
        System.out.println("秘钥对：" + createKeyPair);
        String privateKey = createKeyPair.get(KeyConstant.PRIVATE_KEY);
        String publicKey = createKeyPair.get(KeyConstant.PUBLIC_KEY);
        String text = "test";
        String encrypt = Utils.encrypt(text, "049709f467dfdc4382657e081d18d4cf781f06996b2df6876f061615ff4a3ead7daba0fbc2b98c1a4ddee53db93f62b0f530b403e34141eb775277f434406a679a",ModeTypeEnum.BASE_MODE.getType());
        String text = "jsimjrby3wqb7dbq";
        String encrypt = Utils.encrypt(text, "044D6061FC08A19D3F32CEAA8CF6679B40500008FD741FC26DE7E50AEBF3A9115D47274437730EADEDAEF0CCC4853C5F0B35B30C6AEA83A5F6FBCA4ABEAC9E3B98",ModeTypeEnum.BASE_MODE.getType());
        System.out.println("加密后密文：" + encrypt);
        String decrypt = Utils.decrypt(encrypt, "8b5afb843ca2a2d5bb12fc3442e7a17857a1d41c67c8212bb98a4943e28dfe8b",ModeTypeEnum.BASE_MODE.getType());
        String decrypt = Utils.decrypt("04c294d1e7ebc488ede6344e2c207a33cb1e3f6fd4f7585012931a50fab43c907a8486f1df5c61e49d443ddd709aa08585a2814a766cec41ca2af908ef5a230d7d27b5600dd0b388df85616c63f711e06e32f9228129f8fece31e3a1a5eda92cdfee64ef32aa8a7a6451c7b36d32e8a4d0", "23E57DA1E4AB865CCBC325B668762207DEF74345B782237808AE0BABDF26734D",ModeTypeEnum.BASE_MODE.getType());
        System.out.println("解密后明文：" + decrypt);
    }


 src/main/java/com/dji/sample/droneairport/utils/SM4Util.java

@@ -6,34 +6,92 @@
import org.bouncycastle.crypto.paddings.PKCS7Padding;

import java.nio.charset.StandardCharsets;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Base64;

public class SM4Util {


    /**
     * 生成一个随机的SM4加密密钥。
     *
     * SM4算法是一种对称加密算法，其密钥长度为128位（16字节）。
     * 本方法使用安全随机数生成器生成一个16字节的随机值作为SM4密钥，
     * 并将其转换为十六进制字符串格式以便于使用和存储。
     *
     * @return 返回一个表示SM4密钥的十六进制字符串。
     */
    public static String generateSM4Key() {
        SecureRandom secureRandom = new SecureRandom();
        byte[] sm4Key = new byte[16]; // SM4 密钥长度为 128 位（16 字节）
        secureRandom.nextBytes(sm4Key);
        String key = bytesToHex(sm4Key);
        return key;
    }


    private static String bytesToHex(byte[] bytes) {
        StringBuilder sb = new StringBuilder();
        for (byte b : bytes) {
            sb.append(String.format("%02x", b));
        }
        return sb.toString();
    }
    /**
     * 使用SM4算法加密输入数据。
     *
     * @param key 加密密钥，应符合SM4算法的密钥长度要求。
     * @param input 待加密的输入数据。
     * @return 加密后的数据，以Base64编码形式表示。
     */
    public static String encrypt(byte[] key, byte[] input) {
        // 创建并初始化SM4加密器
        PaddedBufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new SM4Engine(), new PKCS7Padding());
        cipher.init(true, new KeyParameter(key));  // ECB模式下不需要IV

        // 用于存储加密后的数据
        byte[] output = new byte[cipher.getOutputSize(input.length)];
        // 处理输入数据，进行加密
        int length = cipher.processBytes(input, 0, input.length, output, 0);

        // 完成加密过程，处理可能剩余的数据
        try {
            length += cipher.doFinal(output, length);
        } catch (Exception e) {
            e.printStackTrace();
        }

        // 使用Base64编码加密后的字节数组，并返回
        String encoded = Base64.getEncoder().encodeToString(Arrays.copyOf(output, length));
        return encoded;
    }


    /**
     * 使用SM4算法对输入数据进行解密
     *
     * @param key 密钥字节数组，用于解密数据
     * @param input 待解密的字节数组
     * @return 解密后的字节数组
     */
    public static byte[] decrypt(byte[] key, byte[] input) {
        // 创建基于SM4算法的缓冲分组密码对象
        PaddedBufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new SM4Engine(), new PKCS7Padding());
        // 初始化密码对象为解密模式，并设置密钥参数
        cipher.init(false, new KeyParameter(key));  // ECB模式下不需要IV
        // 根据输入数据长度计算解密后的字节数组长度
        byte[] output = new byte[cipher.getOutputSize(input.length)];
        // 处理字节数组，将输入数据解密到输出字节数组中
        int length = cipher.processBytes(input, 0, input.length, output, 0);
        try {
            // 完成最终的解密操作，并将长度累加到已处理字节数组中
            length += cipher.doFinal(output, length);
        } catch (Exception e) {
            // 捕获并处理解密过程中的异常
            e.printStackTrace();
        }
        // 返回解密后的字节数组
        return Arrays.copyOf(output, length);
    }

@@ -53,30 +111,20 @@
        byte[] key = "jsimjrby3wqb7dbq".getBytes(StandardCharsets.UTF_8); // 16字节密钥

        // 原始明文
        String plaintext = "{\n" +
                "\"regioncode\": \"650000\",\n" +
                "\"deviceid\": \"dh11111111111\",\n" +
                "\"brand\": \"大疆\",\n" +
                "\"model\": \"M3D\",\n" +
                "\"longitude\": 120.6670,\n" +
                "\"latitude\": 30.4567,\n" +
                "\"height\": 45,\n" +
                "\"radius\": 10000\n" +
                "}\n";
        String plaintext = "{ \"deviceid\": \"1581F6QAD241500BDZ3J\", \"status\": 1 }";

        String secert =encrypt(key,plaintext.getBytes());
        System.out.println(secert);
//        System.out.println(secert);


        byte[] ming= Base64.getDecoder().decode(secert);
        byte[] text=decrypt(key,ming);
        System.out.println(new String(text, StandardCharsets.UTF_8));
        System.out.println("封装"+encrypt("jsimjrby3wqb7dbq","hello"));
        System.out.println("封装"+decrypt("jsimjrby3wqb7dbq","MkzmRdHSy/pB4sdTjNHb4ngG0q7Z+vWzNKdJxJFkhw4Y9tI8R9sapL6ECLyVnKZwiZbmVQFtn+sT294nCVdskK8TUx7CCI3qo21d9I4ONl+XAYnlDCtEa8KSFK3CB3/D9zRt96zEDkv31Av2rdAJW9O7Le1Z13wWGmsEqHjjrXLv5jd/Cop6+BB9+lqDRlhx+ubNOFdUgJALe4wHjZPCMdE0ob44Hx+1iLg7m/WJQWc="));
        // 直接加密
//        System.out.println(new String(text, StandardCharsets.UTF_8));
//        System.out.println("封装"+encrypt("jsimjrby3wqb7dbq",plaintext));
//        System.out.println("封装"+decrypt("jsimjrby3wqb7dbq","9LFnVDdqleTOFcBJT7TSxs788zPH8PicodLb5634SsixHrKNX+ZAgwODPZxvWFNQ"));
        String encryptedBase64 = encrypt(key, plaintext.getBytes(StandardCharsets.UTF_8));
//        System.out.println("Encrypted (Base64): " + encryptedBase64);

        System.out.println(generateSM4Key());
        // 直接解密
        byte[] decoded = Base64.getDecoder().decode(encryptedBase64);
        byte[] decrypted = decrypt(key, decoded);