license.rsa.WakeRSA.java Source code

Introduction

Here is the source code for license.rsa.WakeRSA.java

Source

package license.rsa;

import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import java.math.BigInteger;
import java.net.NetworkInterface;
import java.security.KeyFactory;
import java.security.MessageDigest;
import java.security.PublicKey;
import java.security.spec.RSAPublicKeySpec;
import java.util.Collections;
import java.util.Date;
import java.util.Enumeration;

import javax.crypto.Cipher;

import license.ProjectInfo;
import license.blowfish.Blowfish;

import org.apache.commons.codec.binary.Base64;

public class WakeRSA {

    private static final String rsaStr = "lgNBiT1L042Y1aNm9UY+DvVfsPJgziFD+669BH3Nk0EEyarzUdv/dmvlSF5b8oUJfjXtBeGqlAzJrFZ42FR4EDibm7a3lDdBCsQIld+uJFRoIjyr+n302TD1fRmgJkD3hVVyZIUf50GKahyDKww4tWwnQZKC/YV3q6fvcmhxKcyuOukygfQ4kYypM2i/3Xf3PG5W4qNLtimZvs1h6aA9zscrHsdlxk8gOhd605qhGyNYLCBpPifXWDn/DvFPn1D4IFibKPckFTdH5H4LLIIWeETQtVMCaCDGh2TFoxmBPZ75b6RgfawGfXTRjQohJyPBFEIVq10mYtGHwSSIgEn8MA==";

    public static void main(String[] args) throws Exception {

        System.out.println();
        System.out.println("**********************md5**************************");

        int len = md5(null).length;
        for (int i = 0; i < len; i++) {
            System.out.print(md5(null)[i]);
        }

        System.out.println();
        System.out.println("**********************rsa**************************");
        byte[] lmd5 = rsa(new Base64().decode(rsaStr));
        for (int i = 0; i < lmd5.length; i++) {
            System.out.print(lmd5[i]);
        }

    }

    /**
     * ?
     * 
     * @param keyFileName
     * @return
     * @throws Exception
     */
    static PublicKey readPublicKeyFromFile() throws Exception {
        ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(KeyData.publicKey));
        try {
            BigInteger m = (BigInteger) oin.readObject();
            BigInteger e = (BigInteger) oin.readObject();
            System.out.println();
            System.out.println();
            System.out.println("=======mmm=====" + m);
            System.out.println("=======eeee=====" + e);
            System.out.println();
            System.out.println();
            RSAPublicKeySpec keySpec = new RSAPublicKeySpec(m, e);
            KeyFactory fact = KeyFactory.getInstance("RSA");
            return fact.generatePublic(keySpec);
        } finally {
            oin.close();
        }
    }

    /**
     * rsa
     * @param key
     * @return
     * @throws Exception
     */
    private static byte[] rsa(byte[] key) throws Exception {
        PublicKey pubKey = readPublicKeyFromFile();
        Cipher cipher = Cipher.getInstance("RSA");
        cipher.init(Cipher.DECRYPT_MODE, pubKey);
        return cipher.doFinal(key);
    }

    /**
     * ??MD5
     * 
     * @param info
     * @return
     * @throws Exception
     */
    private static byte[] md5(String info) throws Exception {
        MessageDigest md = MessageDigest.getInstance("MD5");
        //      StringBuilder sb = new StringBuilder();
        //      for (int i = 0; i < info.length(); i++)
        //         sb.append(Integer.valueOf(info.charAt(i)));
        //      

        StringBuilder sb = new StringBuilder(
                "{1=, 2=, 3=100, 4=100, 5=1, 6=1370016000000, 7=dcm19890101@163.com, 8=15000100001, 9=, 10=/E:/wake/dev/wake/WebContent/WEB-INF/classes/org/wakeframework/license/ProjectInfo.class, 11=4, 12=eth0, 13=null, 14=eth1, 15=null}");

        return md.digest(sb.toString().getBytes());
    }

    /**
     * ProjectInfo
     * @param pi
     * @return
     */
    private String projectInfoToString(ProjectInfo pi) {
        StringBuilder sb = new StringBuilder();
        sb.append("1=").append(pi.getName()).append("\n");
        sb.append("2=").append(pi.getClient()).append("\n");
        sb.append("3=").append(pi.getMaxUsers()).append("\n");
        sb.append("4=").append(pi.getMaxOnlineUsers()).append("\n");
        sb.append("5=").append(pi.getType()).append("\n");
        sb.append("6=").append(pi.getPeriod()).append("\n");
        sb.append("7=").append(pi.getEmail()).append("\n");
        sb.append("8=").append(pi.getTel()).append("\n");
        sb.append("9=").append(pi.getContact()).append("\n");
        sb.append("10=").append(pi.getPath()).append("\n");
        sb.append("11=").append(Runtime.getRuntime().availableProcessors()).append("\n");
        try {
            mac(sb);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return new Blowfish(Date.class.getName()).encryptString(sb.toString());
    }

    /**
     * ?mac
     * @param sb
     * @throws Exception
     */
    private static void mac(StringBuilder sb) throws Exception {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        int i = 12;
        Base64 base64 = new Base64();
        for (NetworkInterface ni : Collections.list(interfaces))
            if (ni.getName().substring(0, 1).equalsIgnoreCase("e")) {
                sb.append(String.valueOf(i)).append('=').append(ni.getName()).append('\n');
                i++;
                byte[] mac = ni.getHardwareAddress();
                sb.append(String.valueOf(i)).append('=').append(base64.encodeAsString(mac)).append('\n');
                i++;
            }
    }

    /**
     * ?ProjectInfo
     * @return
     */
    public ProjectInfo getProjectInfo() {
        ProjectInfo pi = new ProjectInfo();
        pi.setClient("");
        pi.setName("");
        pi.setMaxUsers(100);
        pi.setMaxOnlineUsers(100);
        pi.setType(1);
        pi.setPeriod(System.currentTimeMillis()); //
        pi.setEmail("dcm19890101@163.com");
        pi.setTel("15000100001");
        pi.setContact("");
        pi.setPath("/E:/wake/dev/wake/WebContent/WEB-INF/classes/org/wakeframework/license/ProjectInfo.class");
        pi.setCpuNumber(Runtime.getRuntime().availableProcessors());
        //      12=eth0, 13=null, 14=eth1, 15=null}
        pi.setMacName1("eth0");
        pi.setMac1(null);
        pi.setMacName2("eth1");
        pi.setMac2(null);

        return pi;
    }

}