On 4/30/26 10:41, easytoremember13285 wrote:
I encrypted my sdcard under linux in the ext2 format.

well...since OpenBSD doesn't support linux encryption, you could stop here.

Now when I try to mount it I have a problem with bioct -c C -l /dev/sd1 
softraid0 command.

/dev/sd1 is not a valid device in OpenBSD (even if this was a reasonable thing 
to do.)

With disklabel, it only shows the c partition (which as I understand under 
openbsd means the whole disk and should not be touched).
The c partition has fstype as unused.
As I understand there needs to be at least one more partition by default with 
the fstype RAID.
But there is no other partition.

again, your efforts are futile -- it's not going to work.  But what you are
seeing is a secondary issue: sounds like your SD card does not have a valid
fdisk partition table.  Linux supports this, OpenBSD considers this a great
way to shoot yourself in the foot.


I booted a live xfce image of void linux, and the sdcard is viewable there. So 
nothing is corrupted.

So how can I open a device encrypted under linux with no partition other than c 
and raid fstype?

put simply -- again -- you don't.

Nick.

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