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MD5学习
2022-06-11 10:01:00 【不想当个程序员】
什么是MD5:信息摘要算法第5代
主要增强算法复杂度和不可逆性
MD5不可逆,具体值的md5是一样的
MD5的破解网站,背后有一个字典,暴力破解
create table testmd5
(
id int(4)not null ,
name varchar(20) not null,
pwd varchar(50) not null,
primary key (id)
)engine=InnoDB default charset = utf8;
--插入数据
insert***
--加密
update testmd5 set pwd=MD5(pwd)
--一般都是插入的时候加密
insert into testmd5 values(3,'wangwu',MD5('123456'))
--如何校验:将用户传递进来的秘密,进行md5加密,然后对比加密后的值
select * from testmd5 where name='wangwu' and pwd=MD5('123456')
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