Error while making LUKS Encrypted partition

Buvaneshkumar · 01-04-2016, 03:34 AM

I am trying to make an encrypted partition in Red Hat Linux 7. I am proceeded by following way

fdisk /dev/vdb
n ->
p -> +150M
w
Now, /dev/vdb1 partition is created.
Making encrypted partition

cryptsetup luksFormat /dev/vdb1
:YES
Enterpassphrase:
After entering password i got following error

device-mapper: reload ioctl on failed: Invalid argument
Failed to setup dm-crypt key mapping for device /dev/vdb1
check that kernel supports aes-xts-plain64 cipher

Ztcoracat · 01-05-2016, 08:47 PM

The kernel might be missing modules but I'm not sure.
I looked up the error you were getting and it leads to this thread.

https://dev.openwrt.org/ticket/7727

A member named Nyko had the same error message that you did and managed to get things working in this Arch Linux link. HTH
http://archlinuxarm.org/forum/viewtopic.php?f=55&t=1761

-::-I don't have experience with Encryption so hang in there. I'm sure that there are members here that can help you and join in.-::-

https://access.redhat.com/documentat...ncryption.html

Encryption Guide:
https://access.redhat.com/documentat...ion_Guide.html

MrTux · 01-27-2016, 09:03 PM

It seems as if your kernel does not support default encryption

cat /proc/crypto

to see and make sure you use available encryptions to avoid it.

try using -c with the available encryptions and -s to set the key size

example: sudo cryptsetup luksFormat -c aes-xts-plain -s 512

Ztcoracat · 01-29-2016, 05:12 PM

What is the output of:

Code:

uname -r

https://bbs.archlinux.org/viewtopic.php?id=179496