SM2加密，接口传输加密

pom.xml

@@ -368,6 +368,13 @@
             <artifactId>redisson</artifactId>
             <version>3.6.0</version>
         </dependency>
+
+
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk15on</artifactId>
+            <version>1.69</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/glxp/api/aspect/BodyRequestWrapper.java

@@ -0,0 +1,66 @@
+package com.glxp.api.aspect;
+
+import javax.servlet.ReadListener;
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import javax.servlet.ReadListener;
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+/**
+ * 用来重新封装request
+ */
+public class BodyRequestWrapper extends HttpServletRequestWrapper {
+
+    /**
+     * 存放JSON数据主体
+     */
+    private String body;
+
+    public BodyRequestWrapper(HttpServletRequest request, String context) {
+        super(request);
+        body = context;
+    }
+
+    @Override
+    public ServletInputStream getInputStream() throws IOException {
+        final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body.getBytes("UTF-8"));
+        return new ServletInputStream() {
+            @Override
+            public int read() throws IOException {
+                return byteArrayInputStream.read();
+            }
+
+            @Override
+            public boolean isFinished() {
+                return false;
+            }
+
+            @Override
+            public boolean isReady() {
+                return false;
+            }
+
+            @Override
+            public void setReadListener(ReadListener listener) {
+
+            }
+        };
+    }
+
+    @Override
+    public BufferedReader getReader() throws IOException {
+        return new BufferedReader(new InputStreamReader(this.getInputStream()));
+    }
+}

src/main/java/com/glxp/api/aspect/RequestHandler.java

@@ -0,0 +1,53 @@
+package com.glxp.api.aspect;
+
+import com.alibaba.fastjson.JSON;
+import com.glxp.api.util.Sm2Util;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+
+
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+
+import javax.annotation.Resource;
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+
+/**
+ * 请求加解密过滤器
+ */
+@Slf4j
+@Component
+public class RequestHandler implements Filter {
+    /**
+     * 进行请求加密
+     */
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+        // form-data不校验
+        if ("application/x-www-form-urlencoded".equals(request.getContentType())) {
+            chain.doFilter(request, response);
+            return;
+        }
+
+        // 拿到加密串
+        String data = new RequestWrapper((HttpServletRequest) request).getBody();
+        if (StringUtils.isEmpty(data)) {
+            chain.doFilter(request, response);
+            return;
+        }
+
+        // 解析
+        String body = Sm2Util.decrypt("00e36cfc8d61175584333e6160c645700f2a4659f5908c1bed5824423eab1a1626", JSON.parseObject(data).getString("data"));
+        log.info(body);
+        request = new BodyRequestWrapper((HttpServletRequest) request, body);
+        chain.doFilter(request, response);
+    }
+}

src/main/java/com/glxp/api/aspect/RequestWrapper.java

@@ -0,0 +1,95 @@
+package com.glxp.api.aspect;
+
+import javax.servlet.ReadListener;
+import javax.servlet.ServletInputStream;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import java.io.*;
+
+
+/**
+ * 用来读取body
+ */
+public class RequestWrapper extends HttpServletRequestWrapper {
+    private final String body;
+
+    public RequestWrapper(HttpServletRequest request) {
+        super(request);
+        StringBuilder stringBuilder = new StringBuilder();
+        BufferedReader bufferedReader = null;
+        InputStream inputStream = null;
+        try {
+            inputStream = request.getInputStream();
+            if (inputStream != null) {
+                bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+                char[] charBuffer = new char[128];
+                int bytesRead = -1;
+                while ((bytesRead = bufferedReader.read(charBuffer)) > 0) {
+                    stringBuilder.append(charBuffer, 0, bytesRead);
+                }
+            } else {
+                stringBuilder.append("");
+            }
+        } catch (IOException ex) {
+
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (bufferedReader != null) {
+                try {
+                    bufferedReader.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        body = stringBuilder.toString();
+    }
+
+    @Override
+    public ServletInputStream getInputStream() throws IOException {
+        final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body.getBytes());
+        ServletInputStream servletInputStream = new ServletInputStream() {
+            @Override
+            public boolean isFinished() {
+                return false;
+            }
+
+            @Override
+            public boolean isReady() {
+                return false;
+            }
+
+            @Override
+            public void setReadListener(ReadListener readListener) {
+            }
+
+            @Override
+            public int read() throws IOException {
+                return byteArrayInputStream.read();
+            }
+        };
+        return servletInputStream;
+
+    }
+
+    @Override
+    public BufferedReader getReader() throws IOException {
+        return new BufferedReader(new InputStreamReader(this.getInputStream()));
+    }
+
+    public String getBody() {
+        return this.body;
+    }
+}

src/main/java/com/glxp/api/controller/auth/LoginController.java

@@ -126,7 +126,7 @@ public class LoginController extends BaseController {
 
         Map<String, Object> claims = new HashMap<>();
         claims.put("admin_id", authAdmin.getId());
-        String token = JwtUtils.createToken(claims, 86400L); // 一天后过期
+        String token = JwtUtils.createToken(claims, 1800L); // 一天后过期
 
         Map<String, Object> map = new HashMap<>();
         map.put("id", authAdmin.getId());

src/main/java/com/glxp/api/controller/sync/TestController.java

@@ -11,12 +11,10 @@ import com.glxp.api.constant.SocketMsgType;
 import com.glxp.api.entity.sync.SocketMsgEntity;
 import com.glxp.api.idc.utils.IDCUtils;
 import com.glxp.api.res.inout.IoCodeResponse;
+import com.glxp.api.util.Sm2Util;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.annotation.Resource;
@@ -67,4 +65,11 @@ public class TestController {
         return ResultVOUtils.success(socketMsgEntity);
     }
 
+
+    @PostMapping("/sm2")
+    public BaseResponse sm2(@RequestParam String data) {
+
+        return ResultVOUtils.success(Sm2Util.decrypt("00e36cfc8d61175584333e6160c645700f2a4659f5908c1bed5824423eab1a1626", data));
+    }
+
 }

src/main/java/com/glxp/api/util/Sm2Util.java

@@ -0,0 +1,80 @@
+package com.glxp.api.util;
+
+import cn.hutool.core.util.HexUtil;
+import cn.hutool.crypto.BCUtil;
+import cn.hutool.crypto.SmUtil;
+import cn.hutool.crypto.asymmetric.KeyType;
+import cn.hutool.crypto.asymmetric.SM2;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 加解密工具类
+ */
+import com.glxp.api.annotation.Log;
+import lombok.extern.slf4j.Slf4j;
+import org.bouncycastle.crypto.engines.SM2Engine;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey;
+
+
+/**
+ * @author 猴哥
+ */
+@Slf4j
+public class Sm2Util {
+    /**
+     * 生成秘钥对
+     *
+     * @return 公钥和私钥
+     */
+    public static Map<String, String> generator() {
+        SM2 sm2 = SmUtil.sm2();
+        String publicKey = HexUtil.encodeHexStr(((BCECPublicKey) sm2.getPublicKey()).getQ().getEncoded(false)).toUpperCase();
+        String privateKey = HexUtil.encodeHexStr(BCUtil.encodeECPrivateKey(sm2.getPrivateKey())).toUpperCase();
+        return new HashMap<String, String>(2) {{
+            put("publicKey", publicKey);
+            put("privateKey", privateKey);
+        }};
+    }
+
+    /**
+     * 加密
+     *
+     * @param publicKey 公钥
+     * @param data      明文
+     * @return 密文
+     */
+    public static String encrypt(String publicKey, String data) {
+        return SmUtil.sm2(null, publicKey)
+                // 不写默认就是C1C3C2
+                .setMode(SM2Engine.Mode.C1C3C2)
+                .encryptHex(data.getBytes(), KeyType.PublicKey)
+                // 加密后，密文前面会有04，需要去掉
+                .substring(2);
+    }
+
+    /**
+     * 解密
+     *
+     * @param privateKey 私钥
+     * @param data       密文
+     * @return 明文
+     */
+    public static String decrypt(String privateKey, String data) {
+        // 确定前端不会加04，所以后端直接加（上面处理方式可能造成报错（Invalid point coordinates）：原因前端加密后密文自带04开头）
+        data = "04" + data;
+        return SmUtil.sm2(privateKey, null)
+                // 不写默认就是C1C3C2
+                .setMode(SM2Engine.Mode.C1C3C2)
+                .decryptStr(data, KeyType.PrivateKey);
+    }
+
+    public static void main(String[] agrs) {
+        SM2 sm2 = SmUtil.sm2();
+        String privateKey = HexUtil.encodeHexStr(BCUtil.encodeECPrivateKey(sm2.getPrivateKey()));
+        String publicKey = HexUtil.encodeHexStr(((BCECPublicKey) sm2.getPublicKey()).getQ().getEncoded(false));
+        log.info(privateKey);
+        log.info(publicKey);
+    }
+}