软件license授权加、解密，软件注册工具（2）

# 忽略所有警告，否则有警告的时候混淆会停止
-ignorewarnings

# JDK目标版本1.8
-target 1.8

# 不做收缩（删除注释、未被引用代码）
-dontshrink

# 不做优化（变更代码实现逻辑）
-dontoptimize

# 不路过非公用类文件及成员
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers

# 优化时允许访问并修改有修饰符的类和类的成员
-allowaccessmodification

# 确定统一的混淆类的成员名称来增加混淆
-useuniqueclassmembernames

# 不混淆所有包名，本人测试混淆后WEB项目问题实在太多，毕竟Spring配置中有大量固定写法的包名
-keeppackagenames

# 不混淆局部变量名
-keepparameternames

# 不混淆所有特殊的类 LocalVariable*Table,
#-keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,*Annotation*,Synthetic,EnclosingMethod

# 不混淆包下的所有类名
-keep class weg.base.** { <methods>; }
-keep class weg.service.** { <methods>; }
-keep class weg.dao.** { <methods>; }
-keep class weg.util.** { <methods>; }

# 不混淆quartz包下的所有类名，且类中的方法也不混淆
-keep class weg.quartz.** { <methods>; }

# 不混淆model包中的所有类以及类的属性及方法，实体包，混淆了会导致ORM框架及前端无法识别
-keep class weg.model.** {*;}

# 不混淆所有的set/get方法，毕竟项目中使用的部分第三方框架（例如Shiro）会用到大量的set/get映射
-keepclassmembers public class * {void set*(***);*** get*();}

# 保持类protected不被混淆
-keep public class * { public protected <fields>;public protected <methods>; }

package sdk;

import org.springframework.security.authentication.encoding.Md5PasswordEncoder;

import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;
import java.net.NetworkInterface;
import java.security.Key;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.spec.AlgorithmParameterSpec;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;

/**
 * Created with IntelliJ IDEA.
 *
 * @Auther: ljt
 * @Version 1.0
 * @Date: 2020/09/01/10:32
 * @Description:
 */
public class CheckActiveCode {

    //向量(同时拥有向量和密匙才能解密)，此向量必须是8byte，多少都报错
    private static  byte[] DESIV = new byte[] { 0x22, 0x54, 0x36, 110, 0x40, (byte) 0xac, (byte) 0xad, (byte) 0xdf };// 向量
    private static AlgorithmParameterSpec iv = null;// 加密算法的参数接口
    private static Key key = null;
    private static String charset = "utf-8";

    /**
     * 激活码验证
     * @param activeCode
     * @return
     * @throws Exception
     */
    public static boolean  verifyCode(String activeCode) throws Exception{
        if(activeCode == null || "".equals(activeCode)){
            //System.out.println("激活码为空");
            return false;
        }
        String machineCode = activeCode.substring(0,32);
        //System.out.println("机器码:"+ machineCode);
        String dateCode = activeCode.substring(32);
        //System.out.println("时间:"+ dateCode);
        String mac = getMac().toUpperCase();
        String code = new Md5PasswordEncoder().encodePassword(mac, "")
                .toUpperCase() + mac.length();
        String authCode = getSplitString(code).replace("-","");
        if(!machineCode.equals(authCode) ){
            throw new Exception("机器码不一致");
        }
        String md5Data = "";
        try {
            md5Data = decode(dateCode,machineCode);
        } catch (Exception e) {
            throw new Exception(e);
        }
        Date date= new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String newDate = sdf.format(date);
        //System.out.println("加密日期："+md5Data +",机器日期："+newDate);
        if("".equals(md5Data)){
            //System.out.println("永久激活");
            return true;
        }
        if(md5Data.compareTo(newDate) <0){
            //System.out.println("激活码过期:["+activeCode+"]");
            return false;
        }
        //System.out.println("激活成功");
        return true;
    }



    private static String getMac() {
        try {
            Enumeration<NetworkInterface> el = NetworkInterface
                    .getNetworkInterfaces();
            while (el.hasMoreElements()) {
                byte[] mac = el.nextElement().getHardwareAddress();
                if (mac == null)
                    continue;
                String hexstr = bytesToHexString(mac);
                return getSplitString(hexstr, "-", 2).toUpperCase();
            }
        } catch (Exception exception) {
            exception.printStackTrace();
        }
        return null;
    }

    private static String bytesToHexString(byte[] src) {
        StringBuilder stringBuilder = new StringBuilder("");
        if (src == null || src.length <= 0) {
            return null;
        }
        for (int i = 0; i < src.length; i++) {
            int v = src[i] & 0xFF;
            String hv = Integer.toHexString(v);
            if (hv.length() < 2) {
                stringBuilder.append(0);
            }
            stringBuilder.append(hv);
        }
        return stringBuilder.toString();
    }



    private static String getSplitString(String str) {
        return getSplitString(str, "-", 4);
    }
    private static String getSplitString(String str, String split, int length) {
        int len = str.length();
        StringBuilder temp = new StringBuilder();
        for (int i = 0; i < len; i++) {
            if (i % length == 0 && i > 0) {
                temp.append(split);
            }
            temp.append(str.charAt(i));
        }
        String[] attrs = temp.toString().split(split);
        StringBuilder finalMachineCode = new StringBuilder();
        for (String attr : attrs) {
            if (attr.length() == length) {
                finalMachineCode.append(attr).append(split);
            }
        }
        String result = finalMachineCode.toString().substring(0,
                finalMachineCode.toString().length() - 1);
        return result;
    }



    /**
     * 解密
     * @param data
     * @return
     * @throws Exception
     */
    private static String decode(String data,String deSkey) throws Exception {
        DESKeySpec keySpec = new DESKeySpec(deSkey.getBytes(charset));// 设置密钥参数
        iv = new IvParameterSpec(DESIV);// 设置向量
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");// 获得密钥工厂
        key = keyFactory.generateSecret(keySpec);// 得到密钥对象
        Cipher deCipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
        deCipher.init(Cipher.DECRYPT_MODE, key, iv);
        byte[] pasByte = deCipher.doFinal(toBytes(data));
        return new String(pasByte, charset);
    }


    /**
     * 获取MD5的值，可用于对比校验
     * @param sourceStr
     * @return
     */
    private static String getMD5Value(String sourceStr) {
        String result = "";
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(sourceStr.getBytes());
            byte b[] = md.digest();
            int i;
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < b.length; offset++) {
                i = b[offset];
                if (i < 0)
                    i += 256;
                if (i < 16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            result = buf.toString();
        } catch (NoSuchAlgorithmException e) {
        }
        return result;
    }

    /**
     * 将16进制字符串转换为byte[]
     *
     * @param str
     * @return
     */
    private static byte[] toBytes(String str) {
        if(str == null || str.trim().equals("")) {
            return new byte[0];
        }
        byte[] bytes = new byte[str.length() / 2];
        for(int i = 0; i < str.length() / 2; i++) {
            String subStr = str.substring(i * 2, i * 2 + 2);
            bytes[i] = (byte) Integer.parseInt(subStr, 16);
        }
        return bytes;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>sdk-maven</artifactId>
    <version>1.0-SNAPSHOT</version>


    <dependencies>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>4.0.3.RELEASE</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <!-- ProGuard混淆插件-->
            <plugin>
                <groupId>com.github.wvengen</groupId>
                <artifactId>proguard-maven-plugin</artifactId>
                <version>2.0.11</version>
                <executions>
                    <execution>
                        <!-- 混淆时刻，这里是打包的时候混淆-->
                        <phase>package</phase>
                        <goals>
                            <!-- 指定使用插件的混淆功能 -->
                            <goal>proguard</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <!-- 是否将生成的PG文件安装部署-->
                    <attach>true</attach>
                    <!-- 是否混淆-->
                    <obfuscate>true</obfuscate>
                    <!-- 指定生成文件分类 -->
                    <attachArtifactClassifier>pg</attachArtifactClassifier>
                    <proguardInclude>${basedir}/proguard.conf</proguardInclude>
                    <libs>
                        <lib>${java.home}/lib/rt.jar</lib>
                        <lib>${java.home}/lib/jce.jar</lib>
                    </libs>
                    <!-- 对什么东西进行加载，这里仅有classes成功，不可能对配置文件及JSP混淆吧-->
                    <injar>classes</injar>
                    <outjar>${project.build.finalName}-pg.jar</outjar>
                    <!-- 输出目录-->
                    <outputDirectory>${project.build.directory}</outputDirectory>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>6</source>
                    <target>6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>