bios密码也许能找回?

Posted on In Views: Disqus: Word count in article: 173 Reading time ≈ 1 mins.

device: Redmibook pro 15

给电脑装系统进入bios时发现自己远古时期设置过密码，但已经忘记了密码。

难道唯一的办法是扣电池，用编程器刷新bios芯片吗？

编程器下单后才发现，红米笔记本的密码竟然是明文存储？？？

膜拜orz -> https://blog.nns.ee/2021/01/18/resetting-bios-password/

使用如下命令获取密码，回忆起自己设置的是admin...

1
2
3
4
5
➤ hexdump -C /sys/firmware/efi/efivars/SystemSupervisorPw-7f9102df-e999-4740-80a6-b2038512217b
00000000  07 00 00 00 05 64 6d 69  6e 61 f2 00 00 00 00 00  |.....dmina......|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00              |............|
0000002c