mirror of https://github.com/qiurunze123/miaosha
68 lines
1.6 KiB
Java
68 lines
1.6 KiB
Java
package com.geekq.common.utils.md5;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.codec.digest.DigestUtils;
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import java.security.SecureRandom;
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/**
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* @author 邱润泽
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*/
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public class MD5Utils {
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private static String getSalt = getSaltT();
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public static final String getSaltT() {
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SecureRandom random = new SecureRandom();
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byte bytes[] = new byte[15];
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random.nextBytes(bytes);
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String salt = Base64.encodeBase64String(bytes);
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return salt;
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}
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public static String MD5(String keyName) {
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/**
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* 返回16
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*/
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return DigestUtils.md5Hex(keyName);
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}
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/**
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* 测试使用
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*
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* @param inputPass
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* @return
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*/
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public static String inputPassFormPass(String inputPass) {
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String str = "" + getSalt.charAt(0) + getSalt.charAt(2) + inputPass + getSalt.charAt(4) + getSalt.charAt(6);
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return MD5(str);
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}
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/**
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* 盐值salt 随机 二次加密
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*
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* @param inputPass
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* @return
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*/
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public static String formPassFormPass(String inputPass) {
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String str = "" + getSalt.charAt(0) + getSalt.charAt(2) + inputPass + getSalt.charAt(4) + getSalt.charAt(6);
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return MD5(str);
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}
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/**
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* 第二次md5--反解密 用户登录验证 --- salt 可随机
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*
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* @param formPass
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* @param salt
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* @return
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*/
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public static String formPassToDBPass(String formPass, String salt) {
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String str = "" + salt.charAt(0) + salt.charAt(2) + formPass + salt.charAt(4) + salt.charAt(6);
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return MD5(str);
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}
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}
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