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Boot on LUKS drive ( Rapsberry pi 4 ) (self.linux)

submitted 2 weeks ago by SpongeB0B to c/[email protected]

7 comments fedilink hide all child comments

Hi,

The SBC Raspberry Pi 4 boot on an sdcard with two partition /boot and /

So I managed to encrypt the partition / with cryptsetup

Here the partition of my sd-card

device	FILESYS	LABEL	UUID
sdb1	vfat	BOOT	( 9 characters )
sdb2	crrypto_LUKS		( 36 characters )

I've modified the /boot/cmdline.txt

to ( on one line )

console=serial0,115200
console=tty1
root=UUID=#If I try the UUID of sdb2 it fail and also the UUID when I use `cryptsetup luksOpen /dev/sdb2 b2open`
rootfstype=ext4
fsck.repair=yes
loglevel=5
net.ifnames=0
firmware_class.path=/lib/firmware/updates/brcm
rootwait
cryptdevice=UUID=#I dont know which one:b2open

any ideas ?

Thanks.

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[–] [email protected] 1 points 2 weeks ago (2 children)

I never could be bothered with manually setting up LUKS, here's an automation script if you don't get it to work:

https://github.com/gitbls/sdm/blob/master/Docs/Disk-Encryption.md

[–] SpongeB0B 1 points 2 weeks ago (1 children)

Thanks @[email protected] ! indeed https://github.com/gitbls/sdm/blob/master/Docs/Disk-Encryption.md#the-sdm-cryptconfig-script seem what I need. I'll try

[–] [email protected] 1 points 1 week ago

I've used it to encrypt both Pi4's and 5's. I think it's most compatible with Raspberry Pi OS (Bookworm), used it on both Lite and Desktop editions. Remember to use non-AES encryption since only the 5 has hardware enc/decryption. Good luck!