md5.java

中国移动 provision MISC1.6 接口

package cmd.db;

import java.security.*;
import java.security.spec.*;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: </p>
 *
 * @author luoyx
 * @version 1.0
 */
public class MD5 {
    public MD5() {
    }

public final static String MD5(String s){
 char hexDigits[] = {
     '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
     'e', 'f'};
 try {
   byte[] strTemp = s.getBytes();
   MessageDigest mdTemp = MessageDigest.getInstance("MD5");
   mdTemp.update(strTemp);
   byte[] md = mdTemp.digest();
   int j = md.length;
   char str[] = new char[j * 2];
   int k = 0;
   for (int i = 0; i < j; i++) {
     byte byte0 = md[i];
     str[k++] = hexDigits[byte0 >>> 4 & 0xf];
     str[k++] = hexDigits[byte0 & 0xf];
     }
     return new String(str);
   }
   catch (Exception e){
     return null;
   }
}
public static void main(String[] args){
//MD5_Test aa = new MD5_Test();

System.out.println(MD5.MD5("werwerrwer"));
    System.out.println("5a105e8b9d40e1329780d62ea2265d8a");
}

}