[pkg-cryptsetup-devel] cryptsetup failed with code 22 invalid argument

[Miranda Zhang]

I figured it out, sorry for the confusion.

this works as expected
sudo cryptsetup open --type luks /dev/test/data test-data --key-file
/root/luks.key
sudo cryptsetup open --type luks /dev/mapper/test-data test2 --key-file
/root/luks.key

I was doing
sudo cryptsetup open --type luks */dev/test/data test-data* --key-file
/root/luks.key

Thanks for your help!

On Tue, 7 Jul 2020 at 16:16, Miranda Zhang <miranda.zhang at instaclustr.com>
wrote:

>
>
>
>> you might have more modules missing.  Assuming the cryptsetup binary
>> comes from Debian the default cipher/mode/IV is aes-ats-plain64, are
>> these modules available and loaded to?  You will probably need aes, xts
>> and ecb (or aesni), maybe more, see /proc/crypto.
>
> I have loaded xts and aes_generic
> modprobe aes_generic
> modprobe xts
>
> [image: Screen Shot 2020-07-07 at 3.54.58 pm.png]
>
> Is this a stock Debian kernel or do you build your own?
>>
> I think it is a stock one
> $ uname -r
> 4.9.0-12-amd64
>
> [image: Screen Shot 2020-07-07 at 4.05.57 pm.png]
>
>> To see if the culprit is with cryptsetup or something else, you can even
>> try to map a test device manually using the same ciphers/mode/IV:
>>
>>     dd if=/dev/zero bs=1M count=64 of=/tmp/disk.img
>>     losetup -f /tmp/disk.img
>>     dev=/dev/loop0 # loop device allocated above
>>     dmsetup create testcrypt --table "0 $(blockdev --getsz $dev) crypt
>> aes-xts-plain64 $(xxd -l64 -c256 -ps </dev/urandom) 0 $dev 0"
>>
>> Does that work?  (Is a new block device /dev/mapper/testcrypt being
>> created?)
>
>
> seems block device testcrypt gets created fine
> [image: Screen Shot 2020-07-07 at 3.51.34 pm.png]
>
>
>> If it does then the problem is with cryptsetup itself,
>> otherwise it's something lower level.
>>
>> --
>> Guilhem.
>>
>
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