Merge pull request #2647 from wangweizZZ/issue_2618

[ISSUE #2618]modify config service md5 generation method

client/src/main/java/com/alibaba/nacos/client/config/impl/CacheData.java

@@ -23,7 +23,7 @@ import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.client.config.filter.impl.ConfigFilterChainManager;
 import com.alibaba.nacos.client.config.filter.impl.ConfigResponse;
 import com.alibaba.nacos.client.config.listener.impl.AbstractConfigChangeListener;
-import com.alibaba.nacos.client.config.utils.MD5;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.client.utils.LogUtils;
 import com.alibaba.nacos.client.utils.TenantUtil;
 import org.slf4j.Logger;
@@ -242,7 +242,7 @@ public class CacheData {
     }
 
     static public String getMd5String(String config) {
-        return (null == config) ? Constants.NULL : MD5.getInstance().getMD5String(config);
+        return (null == config) ? Constants.NULL : MD5Utils.md5Hex(config, Constants.ENCODE);
     }
 
     private String loadCacheContentFromDiskLocal(String name, String dataId, String group, String tenant) {

client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java

@@ -25,7 +25,7 @@ import com.alibaba.nacos.client.config.filter.impl.ConfigFilterChainManager;
 import com.alibaba.nacos.client.config.http.HttpAgent;
 import com.alibaba.nacos.client.config.impl.HttpSimpleClient.HttpResult;
 import com.alibaba.nacos.client.config.utils.ContentUtils;
-import com.alibaba.nacos.client.config.utils.MD5;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.client.monitor.MetricsMonitor;
 import com.alibaba.nacos.client.utils.LogUtils;
 import com.alibaba.nacos.client.utils.ParamUtil;
@@ -279,7 +279,7 @@ public class ClientWorker {
         // 没有 -> 有
         if (!cacheData.isUseLocalConfigInfo() && path.exists()) {
             String content = LocalConfigInfoProcessor.getFailover(agent.getName(), dataId, group, tenant);
-            String md5 = MD5.getInstance().getMD5String(content);
+            String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             cacheData.setUseLocalConfigInfo(true);
             cacheData.setLocalConfigInfoVersion(path.lastModified());
             cacheData.setContent(content);
@@ -301,7 +301,7 @@ public class ClientWorker {
         if (cacheData.isUseLocalConfigInfo() && path.exists()
             && cacheData.getLocalConfigInfoVersion() != path.lastModified()) {
             String content = LocalConfigInfoProcessor.getFailover(agent.getName(), dataId, group, tenant);
-            String md5 = MD5.getInstance().getMD5String(content);
+            String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             cacheData.setUseLocalConfigInfo(true);
             cacheData.setLocalConfigInfoVersion(path.lastModified());
             cacheData.setContent(content);

client/src/main/java/com/alibaba/nacos/client/config/impl/HttpSimpleClient.java

@@ -17,7 +17,7 @@ package com.alibaba.nacos.client.config.impl;
 
 import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.client.config.utils.MD5;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.client.utils.ParamUtil;
 import com.alibaba.nacos.common.constant.HttpHeaderConsts;
 import com.alibaba.nacos.common.utils.IoUtils;
@@ -42,8 +42,8 @@ public class HttpSimpleClient {
                                      String encoding, long readTimeoutMs, boolean isSSL) throws IOException {
         String encodedContent = encodingParams(paramValues, encoding);
         url += (null == encodedContent) ? "" : ("?" + encodedContent);
-        if (Limiter.isLimit(MD5.getInstance().getMD5String(
+        if (Limiter.isLimit(MD5Utils.md5Hex(
-            new StringBuilder(url).append(encodedContent).toString()))) {
+            new StringBuilder(url).append(encodedContent).toString(), Constants.ENCODE))) {
             return new HttpResult(NacosException.CLIENT_OVER_THRESHOLD,
                 "More than client-side current limit threshold");
         }
@@ -98,8 +98,8 @@ public class HttpSimpleClient {
                                       String encoding, long readTimeoutMs, boolean isSSL) throws IOException {
         String encodedContent = encodingParams(paramValues, encoding);
         encodedContent = (null == encodedContent) ? "" : encodedContent;
-        if (Limiter.isLimit(MD5.getInstance().getMD5String(
+        if (Limiter.isLimit(MD5Utils.md5Hex(
-            new StringBuilder(url).append(encodedContent).toString()))) {
+            new StringBuilder(url).append(encodedContent).toString(), Constants.ENCODE))) {
             return new HttpResult(NacosException.CLIENT_OVER_THRESHOLD,
                 "More than client-side current limit threshold");
         }
@@ -150,8 +150,8 @@ public class HttpSimpleClient {
                                         String encoding, long readTimeoutMs, boolean isSSL) throws IOException {
         String encodedContent = encodingParams(paramValues, encoding);
         url += (null == encodedContent) ? "" : ("?" + encodedContent);
-        if (Limiter.isLimit(MD5.getInstance().getMD5String(
+        if (Limiter.isLimit(MD5Utils.md5Hex(
-            new StringBuilder(url).append(encodedContent).toString()))) {
+            new StringBuilder(url).append(encodedContent).toString(), Constants.ENCODE))) {
             return new HttpResult(NacosException.CLIENT_OVER_THRESHOLD,
                 "More than client-side current limit threshold");
         }
@@ -197,7 +197,7 @@ public class HttpSimpleClient {
         conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + encoding);
 
         String ts = String.valueOf(System.currentTimeMillis());
-        String token = MD5.getInstance().getMD5String(ts + ParamUtil.getAppKey());
+        String token = MD5Utils.md5Hex(ts + ParamUtil.getAppKey(), Constants.ENCODE);
 
         conn.addRequestProperty(Constants.CLIENT_APPNAME_HEADER, ParamUtil.getAppName());
         conn.addRequestProperty(Constants.CLIENT_REQUEST_TS_HEADER, ts);

client/src/main/java/com/alibaba/nacos/client/config/utils/MD5.java

@@ -1,132 +0,0 @@
-/*
- * Copyright 1999-2018 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.nacos.client.config.utils;
-
-import com.alibaba.nacos.api.common.Constants;
-import com.google.common.collect.Maps;
-
-import java.io.UnsupportedEncodingException;
-import java.security.MessageDigest;
-import java.util.Map;
-import java.util.concurrent.locks.ReentrantLock;
-
-/**
- * MD5 util
- *
- * @author Nacos
- */
-@SuppressWarnings("PMD.ClassNamingShouldBeCamelRule")
-public class MD5 {
-    private static int DIGITS_SIZE = 16;
-    private static char[] digits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
-
-    private static Map<Character, Integer> rDigits = Maps.newHashMapWithExpectedSize(16);
-
-    static {
-        for (int i = 0; i < digits.length; ++i) {
-            rDigits.put(digits[i], i);
-        }
-    }
-
-    private static MD5 me = new MD5();
-    private MessageDigest mHasher;
-    private ReentrantLock opLock = new ReentrantLock();
-
-    private MD5() {
-        try {
-            mHasher = MessageDigest.getInstance("md5");
-        } catch (Exception e) {
-            throw new RuntimeException(e);
-        }
-
-    }
-
-    public static MD5 getInstance() {
-        return me;
-    }
-
-    public String getMD5String(String content) {
-        return bytes2string(hash(content));
-    }
-
-    public String getMD5String(byte[] content) {
-        return bytes2string(hash(content));
-    }
-
-    public byte[] getMD5Bytes(byte[] content) {
-        return hash(content);
-    }
-
-    /**
-     * 对字符串进行md5
-     *
-     * @param str
-     * @return md5 byte[16]
-     */
-    public byte[] hash(String str) {
-        opLock.lock();
-        try {
-            byte[] bt = mHasher.digest(str.getBytes(Constants.ENCODE));
-            if (null == bt || bt.length != DIGITS_SIZE) {
-                throw new IllegalArgumentException("md5 need");
-            }
-            return bt;
-        } catch (UnsupportedEncodingException e) {
-            throw new RuntimeException("unsupported utf-8 encoding", e);
-        } finally {
-            opLock.unlock();
-        }
-    }
-
-    /**
-     * 对二进制数据进行md5
-     *
-     * @param data
-     * @return md5 byte[16]
-     */
-    public byte[] hash(byte[] data) {
-        opLock.lock();
-        try {
-            byte[] bt = mHasher.digest(data);
-            if (null == bt || bt.length != DIGITS_SIZE) {
-                throw new IllegalArgumentException("md5 need");
-            }
-            return bt;
-        } finally {
-            opLock.unlock();
-        }
-    }
-
-    /**
-     * 将一个字节数组转化为可见的字符串
-     *
-     * @param bt
-     * @return
-     */
-    public String bytes2string(byte[] bt) {
-        int l = bt.length;
-
-        char[] out = new char[l << 1];
-
-        for (int i = 0, j = 0; i < l; i++) {
-            out[j++] = digits[(0xF0 & bt[i]) >>> 4];
-            out[j++] = digits[0x0F & bt[i]];
-        }
-
-        return new String(out);
-    }
-
-}

client/src/test/java/com/alibaba/nacos/client/config/utils/MD5Test.java

@@ -1,71 +0,0 @@
-/*
- * Copyright 1999-2019 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.nacos.client.config.utils;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-public class MD5Test {
-
-    @Test
-    public void testGetMD5String() {
-        Assert.assertEquals("d41d8cd98f00b204e9800998ecf8427e",
-            MD5.getInstance().getMD5String(""));
-        Assert.assertEquals("acbd18db4cc2f85cedef654fccc4a4d8",
-            MD5.getInstance().getMD5String("foo"));
-
-        Assert.assertEquals("d41d8cd98f00b204e9800998ecf8427e",
-            MD5.getInstance().getMD5String(new byte[0]));
-        Assert.assertEquals("5289df737df57326fcdd22597afb1fac",
-            MD5.getInstance().getMD5String(new byte[]{1, 2, 3}));
-    }
-
-    @Test
-    public void testGetMD5Bytes() {
-        byte[] bytes1 = new byte[]{-44, 29, -116, -39, -113, 0, -78,
-            4, -23, -128, 9, -104, -20, -8, 66, 126};
-        byte[] bytes2 = new byte[]{82, -119, -33, 115, 125, -11, 115,
-            38, -4, -35, 34, 89, 122, -5, 31, -84};
-
-        Assert.assertArrayEquals(bytes1,
-            MD5.getInstance().getMD5Bytes(new byte[0]));
-        Assert.assertArrayEquals(bytes2,
-            MD5.getInstance().getMD5Bytes(new byte[]{1, 2, 3}));
-    }
-
-    @Test
-    public void testHash() {
-        byte[] bytes1 = new byte[]{-44, 29, -116, -39, -113, 0, -78,
-            4, -23, -128, 9, -104, -20, -8, 66, 126};
-        byte[] bytes2 = new byte[]{-84, -67, 24, -37, 76, -62, -8, 92,
-            -19, -17, 101, 79, -52, -60, -92, -40};
-        byte[] bytes3 = new byte[]{82, -119, -33, 115, 125, -11, 115,
-            38, -4, -35, 34, 89, 122, -5, 31, -84};
-
-        Assert.assertArrayEquals(bytes1, MD5.getInstance().hash(""));
-        Assert.assertArrayEquals(bytes2, MD5.getInstance().hash("foo"));
-        Assert.assertArrayEquals(bytes1, MD5.getInstance().hash(new byte[0]));
-        Assert.assertArrayEquals(bytes3,
-            MD5.getInstance().hash(new byte[]{1, 2, 3}));
-    }
-
-    @Test
-    public void testBytes2string() {
-        Assert.assertEquals("", MD5.getInstance().bytes2string(new byte[0]));
-        Assert.assertEquals("010203",
-            MD5.getInstance().bytes2string(new byte[]{1, 2, 3}));
-    }
-}

common/src/main/java/com/alibaba/nacos/common/utils/MD5Utils.java

@@ -15,16 +15,18 @@
  */
 package com.alibaba.nacos.common.utils;
 
-import java.math.BigInteger;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
 /**
- * MD5 generator
+ * MD5 util
  *
- * @author nacos
+ *@author nacos
  */
-public class Md5Utils {
+@SuppressWarnings("PMD.ClassNamingShouldBeCamelRule")
+public class MD5Utils {
+
+    private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 
     private static ThreadLocal<MessageDigest> MESSAGE_DIGEST_LOCAL = new ThreadLocal<MessageDigest>() {
         @Override
@@ -37,13 +39,11 @@ public class Md5Utils {
         }
     };
 
-    private static final int HEX_VALUE_COUNT = 16;
+    public static String md5Hex(byte[] bytes) throws NoSuchAlgorithmException {
-
-    public static String getMD5(byte[] bytes) throws NoSuchAlgorithmException {
         try {
             MessageDigest messageDigest = MESSAGE_DIGEST_LOCAL.get();
             if (messageDigest != null) {
-                return new BigInteger(1, messageDigest.digest(bytes)).toString(HEX_VALUE_COUNT);
+                return encodeHexString(messageDigest.digest(bytes));
             }
             throw new NoSuchAlgorithmException("MessageDigest get MD5 instance error");
         } finally {
@@ -51,11 +51,28 @@ public class Md5Utils {
         }
     }
 
-    public static String getMD5(String value, String encode) {
+    public static String md5Hex(String value,String encode) {
         try {
-            return getMD5(value.getBytes(encode));
+            return md5Hex(value.getBytes(encode));
         } catch (Exception e) {
             throw new RuntimeException(e);
         }
     }
+
+    /**
+     * 将一个字节数组转化为可见的字符串
+     */
+     public static String encodeHexString(byte[] bytes) {
+        int l = bytes.length;
+
+        char[] out = new char[l << 1];
+
+        for (int i = 0, j = 0; i < l; i++) {
+            out[j++] = DIGITS_LOWER[(0xF0 & bytes[i]) >>> 4];
+            out[j++] = DIGITS_LOWER[0x0F & bytes[i]];
+        }
+
+        return new String(out);
+    }
+
 }

common/src/test/java/com/alibaba/nacos/common/utils/MD5UtilsTest.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 1999-2019 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.common.utils;
+
+import com.alibaba.nacos.api.common.Constants;
+import java.security.NoSuchAlgorithmException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class MD5UtilsTest {
+
+    @Test
+    public void testMd5Hex() throws NoSuchAlgorithmException {
+        Assert.assertEquals("d41d8cd98f00b204e9800998ecf8427e",
+            MD5Utils.md5Hex("", Constants.ENCODE));
+        Assert.assertEquals("acbd18db4cc2f85cedef654fccc4a4d8",
+            MD5Utils.md5Hex("foo",Constants.ENCODE));
+        Assert.assertEquals("02f463eb799797e2a978fb1a2ae2991e",
+            MD5Utils.md5Hex("38c5ee9532f037a20b93d0f804cf111fca4003e451d09a692d9dea8032308d9c64eda9047fcd5e850284a49b1a0cfb2ecd45",Constants.ENCODE));
+
+        Assert.assertEquals("d41d8cd98f00b204e9800998ecf8427e",
+            MD5Utils.md5Hex(new byte[0]));
+        Assert.assertEquals("5289df737df57326fcdd22597afb1fac",
+            MD5Utils.md5Hex(new byte[]{1, 2, 3}));
+    }
+
+
+
+    @Test
+    public void testEncodeHexString() {
+        Assert.assertEquals("", MD5Utils.encodeHexString(new byte[0]));
+        Assert.assertEquals("010203",
+            MD5Utils.encodeHexString(new byte[]{1, 2, 3}));
+    }
+}

config/src/main/java/com/alibaba/nacos/config/server/aspect/RequestLogAspect.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.nacos.config.server.aspect;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.service.ConfigService;
@@ -67,7 +67,7 @@ public class RequestLogAspect {
     public Object interfacePublishSingle(ProceedingJoinPoint pjp, HttpServletRequest request,
                                          HttpServletResponse response, String dataId, String group, String tenant,
                                          String content) throws Throwable {
-        final String md5 = content == null ? null : Md5Utils.getMD5(content, Constants.ENCODE);
+        final String md5 = content == null ? null : MD5Utils.md5Hex(content, Constants.ENCODE);
         MetricsMonitor.getPublishMonitor().incrementAndGet();
         return logClientRequest("publish", pjp, request, response, dataId, group, tenant, md5);
     }

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfoBase.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.nacos.config.server.model;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 
 import java.io.PrintWriter;
@@ -47,7 +47,7 @@ public class ConfigInfoBase implements Serializable, Comparable<ConfigInfoBase>
         this.group = group;
         this.content = content;
         if (this.content != null) {
-            this.md5 = Md5Utils.getMD5(this.content, Constants.ENCODE);
+            this.md5 = MD5Utils.md5Hex(this.content, Constants.ENCODE);
         }
     }
 

config/src/main/java/com/alibaba/nacos/config/server/service/ConfigService.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.nacos.config.server.service;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.model.CacheItem;
 import com.alibaba.nacos.config.server.model.ConfigInfoBase;
@@ -70,7 +70,7 @@ public class ConfigService {
         }
 
         try {
-            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+            final String md5 =  MD5Utils.md5Hex(content, Constants.ENCODE);
 
             if (md5.equals(ConfigService.getContentMd5(groupKey))) {
                 dumpLog.warn(
@@ -116,7 +116,7 @@ public class ConfigService {
         }
 
         try {
-            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+            final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             if (md5.equals(ConfigService.getContentBetaMd5(groupKey))) {
                 dumpLog.warn(
                     "[dump-beta-ignore] ignore to save cache file. groupKey={}, md5={}, lastModifiedOld={}, "
@@ -155,7 +155,7 @@ public class ConfigService {
         }
 
         try {
-            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+            final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             if (md5.equals(ConfigService.getContentTagMd5(groupKey, tag))) {
                 dumpLog.warn(
                     "[dump-tag-ignore] ignore to save cache file. groupKey={}, md5={}, lastModifiedOld={}, "
@@ -192,7 +192,7 @@ public class ConfigService {
         }
 
         try {
-            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+            final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             if (!STANDALONE_MODE || PropertyUtil.isStandaloneUseMysql()) {
                 String loacalMd5 = DiskUtil.getLocalConfigMd5(dataId, group, tenant);
                 if (md5.equals(loacalMd5)) {

config/src/main/java/com/alibaba/nacos/config/server/service/DiskUtil.java

@@ -16,7 +16,7 @@
 package com.alibaba.nacos.config.server.service;
 
 import com.alibaba.nacos.common.utils.IoUtils;
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.utils.LogUtil;
 import org.apache.commons.io.FileUtils;
@@ -172,7 +172,7 @@ public class DiskUtil {
 
     static public String getLocalConfigMd5(String dataId, String group, String tenant)
         throws IOException {
-        return Md5Utils.getMD5(getConfig(dataId, group, tenant), Constants.ENCODE);
+        return MD5Utils.md5Hex(getConfig(dataId, group, tenant), Constants.ENCODE);
     }
 
     static public File heartBeatFile() {

config/src/main/java/com/alibaba/nacos/config/server/service/PersistService.java

@@ -15,8 +15,8 @@
  */
 package com.alibaba.nacos.config.server.service;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.enums.FileTypeEnum;
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.config.server.model.*;
@@ -538,7 +538,7 @@ public class PersistService {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         try {
-            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+            String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "INSERT INTO config_info_beta(data_id,group_id,tenant_id,app_name,content,md5,beta_ips,src_ip,"
                     + "src_user,gmt_create,gmt_modified) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -564,7 +564,7 @@ public class PersistService {
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
         try {
-            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+            String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "INSERT INTO config_info_tag(data_id,group_id,tenant_id,tag_id,app_name,content,md5,src_ip,src_user,"
                     + "gmt_create,gmt_modified) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -628,7 +628,7 @@ public class PersistService {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         try {
-            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+            String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "UPDATE config_info_beta SET content=?, md5 = ?, src_ip=?,src_user=?,gmt_modified=?,app_name=? WHERE "
                     + "data_id=? AND group_id=? AND tenant_id=?",
@@ -654,7 +654,7 @@ public class PersistService {
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
         String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
         try {
-            String md5 = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+            String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
             jt.update(
                 "UPDATE config_info_tag SET content=?, md5 = ?, src_ip=?,src_user=?,gmt_modified=?,app_name=? WHERE "
                     + "data_id=? AND group_id=? AND tenant_id=? AND tag_id=?",
@@ -2695,7 +2695,7 @@ public class PersistService {
         final String type = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("type");
         final String schema = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("schema");
 
-        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+        final String md5Tmp = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
 
         KeyHolder keyHolder = new GeneratedKeyHolder();
 
@@ -2904,7 +2904,7 @@ public class PersistService {
                                         final Timestamp time, Map<String, Object> configAdvanceInfo) {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
-        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+        final String md5Tmp = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
         String desc = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("desc");
         String use = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("use");
         String effect = configAdvanceInfo == null ? null : (String) configAdvanceInfo.get("effect");
@@ -3061,7 +3061,7 @@ public class PersistService {
                                            final Timestamp time, String ops) {
         String appNameTmp = StringUtils.isBlank(configInfo.getAppName()) ? StringUtils.EMPTY : configInfo.getAppName();
         String tenantTmp = StringUtils.isBlank(configInfo.getTenant()) ? StringUtils.EMPTY : configInfo.getTenant();
-        final String md5Tmp = Md5Utils.getMD5(configInfo.getContent(), Constants.ENCODE);
+        final String md5Tmp = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
         try {
             jt.update(
                 "INSERT INTO his_config_info (id,data_id,group_id,tenant_id,app_name,content,md5,src_ip,src_user,gmt_modified,op_type) VALUES(?,?,?,?,?,?,?,?,?,?,?)",
@@ -3355,7 +3355,7 @@ public class PersistService {
                     String md5InDb = cf.getMd5();
                     final String content = cf.getContent();
                     final String tenant = cf.getTenant();
-                    final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+                    final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
                     if (StringUtils.isBlank(md5InDb)) {
                         try {
                             updateMd5(cf.getDataId(), cf.getGroup(), tenant, md5, new Timestamp(cf.getLastModified()));

config/src/main/java/com/alibaba/nacos/config/server/service/dump/DumpService.java

@@ -16,7 +16,7 @@
 package com.alibaba.nacos.config.server.service.dump;
 
 import com.alibaba.nacos.common.utils.IoUtils;
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.manager.TaskManager;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
@@ -347,7 +347,7 @@ public class DumpService {
                         ConfigInfo cf = MergeTaskProcessor.merge(dataId, group, tenant, datumList);
                         String aggrContent = cf.getContent();
                         String localContentMD5 = ConfigService.getContentMd5(GroupKey.getKey(dataId, group));
-                        String aggrConetentMD5 = Md5Utils.getMD5(aggrContent, Constants.ENCODE);
+                        String aggrConetentMD5 = MD5Utils.md5Hex(aggrContent, Constants.ENCODE);
 
                         if (!StringUtils.equals(localContentMD5, aggrConetentMD5)) {
                             persistService.insertOrUpdate(null, null, cf, time, null, false);

config/src/main/java/com/alibaba/nacos/config/server/service/dump/DumpTask.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.nacos.config.server.service.dump;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.manager.AbstractTask;
 import com.alibaba.nacos.config.server.manager.TaskProcessor;
@@ -265,7 +265,7 @@ class DumpAllProcessor implements TaskProcessor {
                         cf.getLastModified(), cf.getType());
 
                     final String content = cf.getContent();
-                    final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+                    final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
                     LogUtil.dumpLog.info("[dump-all-ok] {}, {}, length={}, md5={}",
                         GroupKey2.getKey(cf.getDataId(), cf.getGroup()), cf.getLastModified(), content.length(), md5);
                 }
@@ -410,7 +410,7 @@ class DumpChangeProcessor implements TaskProcessor {
             boolean result = ConfigService.dumpChange(cf.getDataId(), cf.getGroup(), cf.getTenant(),
                 cf.getContent(), cf.getLastModified());
             final String content = cf.getContent();
-            final String md5 = Md5Utils.getMD5(content, Constants.ENCODE);
+            final String md5 = MD5Utils.md5Hex(content, Constants.ENCODE);
             LogUtil.defaultLog.info(
                 "[dump-change-ok] {}, {}, length={}, md5={}",
                 new Object[] {

config/src/main/java/com/alibaba/nacos/config/server/service/trace/ConfigTraceService.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.nacos.config.server.service.trace;
 
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.utils.LogUtil;
@@ -62,7 +62,7 @@ public class ConfigTraceService {
         }
         //localIp | dataid | group | tenant | requestIpAppName | ts | handleIp | event | type | [delayed = -1] | ext
         // (md5)
-        String md5 = content == null ? null : Md5Utils.getMD5(content, Constants.ENCODE);
+        String md5 = content == null ? null : MD5Utils.md5Hex(content, Constants.ENCODE);
 
         LogUtil.traceLog.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", LOCAL_IP, dataId, group, tenant,
             requestIpAppName, ts, handleIp, "persist", type, -1, md5);

naming/src/main/java/com/alibaba/nacos/naming/core/Instances.java

@@ -17,7 +17,8 @@ package com.alibaba.nacos.naming.core;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.annotation.JSONField;
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
+import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.naming.pojo.Record;
 import org.apache.commons.lang3.StringUtils;
 
@@ -66,7 +67,7 @@ public class Instances implements Record {
             sb.append(",");
         }
 
-        return Md5Utils.getMD5(sb.toString(), "UTF-8");
+        return MD5Utils.md5Hex(sb.toString(), Constants.ENCODE);
     }
 
     public String convertMap2String(Map<String, String> map) {

naming/src/main/java/com/alibaba/nacos/naming/core/Service.java

@@ -17,7 +17,8 @@ package com.alibaba.nacos.naming.core;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.annotation.JSONField;
-import com.alibaba.nacos.common.utils.Md5Utils;
+import com.alibaba.nacos.common.utils.MD5Utils;
+import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.naming.boot.SpringContext;
 import com.alibaba.nacos.naming.consistency.KeyBuilder;
 import com.alibaba.nacos.naming.consistency.RecordListener;
@@ -472,7 +473,7 @@ public class Service extends com.alibaba.nacos.api.naming.pojo.Service implement
             ipsString.append(",");
         }
 
-        checksum = Md5Utils.getMD5(ipsString.toString(), "UTF-8");
+        checksum = MD5Utils.md5Hex(ipsString.toString(), Constants.ENCODE);
     }
 
     private void updateOrAddCluster(Collection<Cluster> clusters) {