md5在线加密 自定义MD5加盐加密方式代码实现(1/3)

package demo.dcn.service.utils.security;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Md5Util {
	// 全局数组
    private final static String[] strDigits = { "0", "1", "2", "3", "4", "5",
            "6", "7", "8", "9", "a", "b", "c", "d", "e", "f","h","g","i","j","k","m","n","o",
            "p","q","x","y","z","u","w","=","+","-","^","*","#","v"};

    public Md5Util() {

    }
    	/**
    	 * 返回形式为数字跟字符串
    	 * @param bByte
    	 * @return
    	 */
	    private static String byteToArrayString(byte bByte) {
	        int iRet = bByte;
	        // System.out.println("iRet="+iRet);
	        if (iRet < 0) {
	            iRet += 256;
	        }
	        int iD1 = iRet / 38;
	        int iD2 = iRet % 38;
	        return strDigits[iD1] + strDigits[iD2];
	    }
	    /**
	     * 转换字节数组为16进制字串
	     * @param bByte
	     * @return
	     */
	    private static String byteToString(byte[] bByte) {
	        StringBuffer sBuffer = new StringBuffer();
	        for (int i = 0; i < bByte.length; i++) {
	            sBuffer.append(byteToArrayString(bByte[i]));
	        }
	        return sBuffer.toString();
	    }
	    /**
	     * HASH加密
	     * @param strObj
	     * @return
	     */
	    public static String GetMD5Code(String strObj) {
	        String resultString = null;
	        try {
	            resultString = new String(strObj);
	            MessageDigest md = MessageDigest.getInstance("MD5");
	            // md.digest() 该函数返回值为存放哈希值结果的byte数组
	            resultString = byteToString(md.digest(strObj.getBytes()));
	        } catch (NoSuchAlgorithmException ex) {
	            ex.printStackTrace();
	        }
	        return resultString;
	    }
	    public static void main(String[] args) {
	    	Md5Util getMD5 = new Md5Util();
	        System.out.println(getMD5.GetMD5Code("0123"));
	        System.out.println(getMD5.GetMD5Code("0123"));
	    }
}

package demo.dcn.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import demo.dcn.dao.LookerDaoMapper;
import demo.dcn.service.RegisterService;
import demo.dcn.service.utils.security.Md5Util;
import demo.dcn.type.ResultMap;
import demo.dcn.vo.Looker;
import demo.dcn.vo.LookerSalt;
@Service
public class RegisterServiceImpl implements RegisterService {

	@Resource
	private LookerDaoMapper lookerDaoMapper;

	@Override
	public ResultMap lookerRegister(Looker looker) {
		ResultMap resultMap = ResultMap.SUCCESS;
		lookerDaoMapper.lookerRegisterDao(looker);
		return resultMap;
	}

	@Override
	public void lookerSaltRegister(LookerSalt lookerSalt) {
		lookerDaoMapper.lookerSaltReDao(lookerSalt);
	}

	@Override
	public Looker lookerLogin(Looker looker) {
		List salts =	lookerDaoMapper.find(looker.getLookerName());//可能查询多个盐值
		Looker	looker2 = null;
		if(salts!=null&&salts.size()>0){
			String password = looker.getLookerPassword();
			for (String salt : salts) {
				looker.setLookerPassword(Md5Util.GetMD5Code(password)+salt);
				looker2 = lookerDaoMapper.lookerLogin(looker);
				if(looker2!=null){//如果匹配到对应的帐号就返回
					break;
				}
			}
		}
		return looker2;
	}
}

import javax.annotation.Resource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import demo.dcn.service.RegisterService;
import demo.dcn.service.utils.UuidUtils;
import demo.dcn.service.utils.security.Md5Util;
import demo.dcn.vo.Looker;
import demo.dcn.vo.LookerSalt;
/**
 * 测试
 * @author kun.zhang@downjoy.com
 *
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locati
		"classpath*:config/demo-spring-context.xml",
		"classpath*:config/demo-spring-datasource.xml",
		"classpath*:config/demo-spring-redis.xml",
		"classpath*:config/demo-sql-config.xml"

})
public class test {

	@Autowired
	private RegisterService registerService;
	@Test
	public void testRegist(){
		LookerSalt lookerSalt = new LookerSalt();
		String uuid = UuidUtils.getuuid();
		lookerSalt.setLookerName("张三");
		lookerSalt.setUuid(uuid);
		registerService.lookerSaltRegister(lookerSalt);
		Looker looker = new Looker();
		looker.setLookerName("张三");
		looker.setLookerLevel(1);
		looker.setLoginStatus(0);
		looker.setLookerPassword(Md5Util.GetMD5Code("adcv0123fsac")+uuid);//加密
		registerService.lookerRegister(looker);
		System.out.println("a");
	}

	@Test
	public void testLogin(){
		Looker looker = new Looker();
		looker.setLookerName("张三");
		looker.setLookerPassword("adcv0123fsac");
		Looker looker2=	registerService.lookerLogin(looker);
		if(looker2!=null){
			System.out.println("登录成功");
			looker2.toString();
		}else{
			System.out.println("登录失败");
		}
	}

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