1、加密工具类

sckw-common/sckw-common-core/src/main/java/com/sckw/core/utils/EncryUtil.java

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+package com.sckw.core.utils;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.sckw.core.model.constant.Global;
+import jakarta.servlet.http.HttpServletRequest;
+import org.bouncycastle.util.encoders.Hex;
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.Key;
+import java.util.*;
+
+/**
+ * @author dengyinghui
+ * @create 2019-02-27
+ * @description 加密工具类
+ */
+public class EncryUtil {
+    /**可调用EncryUtil.generatorPriKey()方法生成*/
+    public static final String PRI_KEY = "127f0400ff8a8b7a20d91dfc60a39725";
+    /**API签名铭文*/
+    public static final String SIGN_KEY = "sign";
+    /**API签名公钥*/
+    public static final String ACCESS_KEY = "accessKey";
+    /**API签名私钥*/
+    public static final String ACCESS_SECRET = "accessSecret";
+
+    /**
+     * 私钥生成器
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static String generatorPriKey() throws Exception{
+        //生成Key
+        KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
+        keyGenerator.init(128);
+        SecretKey secretKey = keyGenerator.generateKey();
+        byte[] keyBytes = secretKey.getEncoded();
+        String priKey = toHexString(keyBytes);
+        return priKey;
+    }
+
+
+    /**
+     * 加密
+     * @param appSecret 私钥
+     * @param orginStr 原始加密参数
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static String encry(String appSecret, String orginStr) throws Exception{
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        Key key = new SecretKeySpec(toByteArray(appSecret), "AES");
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        byte[] encodeResult = cipher.doFinal(orginStr.getBytes());
+        return Hex.toHexString(encodeResult);
+    }
+
+
+    /**
+     * 加密
+     * @param appSecret 私钥
+     * @param jsonObject 原始加密参数
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static String encry(String appSecret, JSONObject jsonObject) throws Exception{
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        Key key = new SecretKeySpec(toByteArray(appSecret), "AES");
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        byte[] encodeResult = cipher.doFinal(jsonObject.toJSONString().getBytes());
+        return Hex.toHexString(encodeResult);
+    }
+
+
+    /**
+     *  字节数组转成16进制表示格式的字符串
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static String toHexString(byte[] byteArray) {
+        if (byteArray == null || byteArray.length < 1){
+            throw new IllegalArgumentException("this byteArray must not be null or empty");
+        }
+
+        final StringBuilder hexString = new StringBuilder();
+        for (int i = 0; i < byteArray.length; i++) {
+            if ((byteArray[i] & 0xff) < 0x10){
+                hexString.append("0");
+            }
+
+            hexString.append(Integer.toHexString(0xFF & byteArray[i]));
+        }
+        return hexString.toString().toLowerCase();
+    }
+
+
+    /**
+     *  16进制的字符串表示转成字节数组
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static byte[] toByteArray(String hexString) {
+        if (org.apache.commons.lang3.StringUtils.isEmpty(hexString)){
+            throw new IllegalArgumentException("this hexString must not be empty");
+        }
+
+        hexString = hexString.toLowerCase();
+        final byte[] byteArray = new byte[hexString.length() / 2];
+        int k = 0;
+        //因为是16进制，最多只会占用4位，转换成字节需要两个16进制的字符，高位在先
+        for (int i = 0; i < byteArray.length; i++) {
+            byte high = (byte) (Character.digit(hexString.charAt(k), 16) & 0xff);
+            byte low = (byte) (Character.digit(hexString.charAt(k + 1), 16) & 0xff);
+            byteArray[i] = (byte) (high << 4 | low);
+            k += 2;
+        }
+        return byteArray;
+    }
+
+
+    /**
+     * 解密
+     * @param appSecret 私钥
+     * @param encryStr 加密了的字符串
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public synchronized static String descry(String appSecret, String encryStr) throws Exception {
+        Key key = new SecretKeySpec(toByteArray(appSecret), "AES");
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        cipher.init(Cipher.DECRYPT_MODE, key);
+        byte[] decodeResult = cipher.doFinal(org.apache.commons.codec.binary.Hex.decodeHex(encryStr));
+        return new String(decodeResult);
+    }
+
+
+    /**
+     * 解密
+     * @param appSecret 私钥
+     * @param encryStr 加密了的字符串
+     * @author dengyinghui
+     * #date 2019/02/27
+     * @return
+     */
+    public static JSONObject descryJson(String appSecret, String encryStr) throws Exception {
+        String json = EncryUtil.descry(Global.PRI_KEY, encryStr);
+        return JSON.parseObject(json);
+    }
+
+
+    /**
+     * @description 校验
+     * @author zk
+     * @date 2020/8/15 15:15
+     * @param
+     * @return
+     **/
+    public static boolean checkSign(Map<String, Object> data, String accessSecret) {
+        String originSign = null;
+        Map params = CollectionUtils.createHashMap();
+        for (Map.Entry<String, Object> entry : data.entrySet()) {
+            if (SIGN_KEY.equals(entry.getKey())){
+                originSign = StringUtils.objectStr(entry.getValue());
+                continue;
+            }
+            if (ACCESS_KEY.equals(entry.getKey())){
+                continue;
+            }
+            params.put(entry.getKey(), entry.getValue());
+        }
+
+        String sign = createSign(params, accessSecret);
+        return sign.equals(originSign);
+    }
+
+
+    /**
+     * @description 校验
+     * @author zk
+     * @date 2020/8/17 17:45
+     * @param
+     * @return
+     **/
+    public static boolean checkSign(HttpServletRequest request, String accessSecret) {
+        Enumeration<?> pNames = request.getParameterNames();
+        Map<String, Object> params = new HashMap<String, Object>();
+        while (pNames.hasMoreElements()) {
+            String pName = (String) pNames.nextElement();
+            if (SIGN_KEY.equals(pName)) {
+                continue;
+            }
+            Object pValue = request.getParameter(pName);
+            params.put(pName, pValue);
+        }
+
+        return checkSign(params, accessSecret);
+    }
+
+
+    /**
+     * @description 生成签名
+     * @author zk
+     * @date 2020/8/15 15:14
+     * @param {params：请求参数，accessSecret 私钥}
+     * @return
+     **/
+    public static String createSign(Map<String, Object> params, String accessSecret) {
+        Set<String> keysSet = params.keySet();
+        Object[] keys = keysSet.toArray();
+        Arrays.sort(keys);
+        StringBuilder temp = new StringBuilder();
+        boolean first = true;
+        for (Object key : keys) {
+            if (first) {
+                first = false;
+            } else {
+                temp.append("&");
+            }
+            temp.append(key).append("=");
+            Object value = params.get(key);
+            String valueString = "";
+            if (null != value) {
+                valueString = String.valueOf(value);
+            }
+            temp.append(valueString);
+        }
+        temp.append("&").append(ACCESS_SECRET).append("=").append(accessSecret);
+        //LogUtil.debug("参数:" + temp.toString());
+        return PasswordUtils.md5(temp.toString()).toUpperCase();
+    }
+
+    public static void main(String [] age)  {
+        long timeStamp = System.currentTimeMillis();
+        Map<String, Object> params = CollectionUtils.createHashMap();
+        params.put("subtaskId", "SDT2008020000301");
+        params.put("goodsName", "工业级碳酸乙烯酯");
+        params.put("grossWeight", "47.7800");
+        params.put("netWeight", "17.6800");
+        params.put("weight", "30.0000");
+        params.put("timeStamp", "1597890005658");
+        String singStr = createSign(params, "xinyuan20200819");
+        System.out.println("sign:" +singStr);
+        System.out.println("timeStamp:" +timeStamp);
+    }
+}