46 lines
1.3 KiB
Java
46 lines
1.3 KiB
Java
package com.example.system.utils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.util.DigestUtils;
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import java.nio.charset.StandardCharsets;
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import java.util.UUID;
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@Slf4j
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public class MD5Util {
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/**
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* 对密码使用MD5进行加密
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* @param password
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* @return
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*/
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public static String puzzle(String password) {
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String uuid = UUID.randomUUID().toString().replace("-", "");
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String md5 = DigestUtils.md5DigestAsHex((password+uuid).getBytes(StandardCharsets.UTF_8));
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return (md5 + uuid);
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}
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/**
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* 使用MD5校验密码和密文是否相同
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* @param password
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* @param puzzleMd5
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* @return
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*/
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public static boolean verify(String password, String puzzleMd5) {
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if (puzzleMd5.length() != 64) {
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log.error("数据库密文存储有误：{}", puzzleMd5);
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return false;
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}
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String uuid = puzzleMd5.substring(32, 64);
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String md5 = puzzleMd5.substring(0, 32);
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String tmp = DigestUtils.md5DigestAsHex((password+uuid).getBytes(StandardCharsets.UTF_8));
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if (md5.equals(tmp)) {
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log.info("密码正确");
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return true;
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}
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else {
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log.info("密码错误");
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return false;
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}
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}
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}
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