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参考:https://baike.baidu.com/item/MD5/212708? fr=阿拉丁

介绍

关于md5,暂时不需要掌握太多。注意几点:

1.生成128位(16字节)的哈希值。输入是任意的,输出长度是固定的。

2.一种哈希算法。加密过程中存在多对一现象,无法准确解密。其主要功能是保证信息传递的完整性和一致性。

3.通过采集加密前后的数据,可以爆破解密。解密的是加密前采集的数据,而且这是常用数据,比如常用密码,而不是含义不明的乱码信息。

4.对于安全性要求高的数据,专家建议使用其他算法,如SHA-2。

5.在线md5加密和解密网站:

https://www.sojson.com/encrypt_md5.html

6.确定是否是md5加密。

如果可以控制输入,输入一个数据比如123456,网站会加密,和直接用md5加密的结果比较。

如果相同,则确定为md5加密。

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