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package beans;
import java.net.NetworkInterface;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;
import org.hyperic.sigar.NetFlags;
import org.hyperic.sigar.NetInterfaceConfig;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.springframework.security.authentication.encoding.Md5PasswordEncoder;

/**
 * java获取mac和机器码，注册码的实现
 * 
 */
public class AuthorizationUtils {
 private static final int SPLITLENGTH = 4;
 private static final String SALT = "yunshouhu";

 public static void main(String args[]) throws Exception {
  String code = getMachineCode();

 System.out.println("code:" + code);

  String authCode = auth(code);
  System.out.println("机器码：" + code);
  System.out.println("注册码：" + authCode);

  // System.out.println("mac:"+getMac());
  // System.out.println("mac2:"+getMac2());

 }
 

 private static String getMachineCode() {
  Set<String> result = new HashSet<String>();
  //String mac = getMac();
  //System.out.println("mac:" + getMac());
  //result.add(mac);
  Properties props = System.getProperties();
  String javaVersion = props.getProperty("java.version");
  result.add(javaVersion);
  // System.out.println("Java的运行环境版本：  " + javaVersion);
  String javaVMVersion = props.getProperty("java.vm.version");
  result.add(javaVMVersion);
  // System.out.println("Java的虚拟机实现版本：  " +
  // props.getProperty("java.vm.version"));
  String osVersion = props.getProperty("os.version");
  result.add(osVersion);
  // System.out.println("操作系统的版本：  " + props.getProperty("os.version"));

  String code = new Md5PasswordEncoder().encodePassword(
    result.toString(), SALT);
  return getSplitString(code, "-", 4);

 }

 // 使用hyperic-sigar获取mac
 private static String getMac2() throws SigarException {
  Sigar sigar = new Sigar();
  String[] ifaces = sigar.getNetInterfaceList();
  for (String iface : ifaces) {
   NetInterfaceConfig cfg = sigar.getNetInterfaceConfig(iface);
   if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress())
     || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0
     || NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) {
    continue;
   }
   String mac = cfg.getHwaddr();
   return mac;
  }
  return null;

 }

 public static String auth(String machineCode) {
  String newCode = "(qinghaijin@qq.com)["
    + machineCode.toUpperCase() + "](府谷县必应信息技术有限公司)";
  String code = new Md5PasswordEncoder().encodePassword(newCode, SALT)
    .toUpperCase() + machineCode.length();
  return getSplitString(code);
 }

 private static String getSplitString(String str) {
  return getSplitString(str, "-", SPLITLENGTH);
 }

 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;
 }

 public 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();
 }
}

需要 org.springframework.security.core-3.0.3.RELEASE.jar
sigar.jar
将一下dll 复制在tomcat bin 目录下