java获取mac和机器码，注册码的实现

package util;
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 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 = "(yunshouhuxxx@gmail.com)["
+ machineCode.toUpperCase() + "](xxx应用级产品开发平台)";
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();
}

// ‎00-24-7E-0A-22-93
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;
}
}