Re: LUKS2 AES-GCM-random erroring with key size issue.

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On 27 Feb 2020 05:37 +0000, from vinay.paduru@xxxxxxxx (vinay paduru):
> Could you please help us solve this problem.
> 
> # cryptsetup --verbose luksFormat --type luks2 --cipher aes-gcm-random --integrity aead /dev/sdb2

> [...]

> Cipher aes-gcm-random (key size 256 bits) is not available.

Try running the same command with --debug and send the full output of
that.

The exact kernel and cryptsetup version and build you're using
(including distribution package version, if applicable), and the
contents of /proc/crypto immediately after running cryptsetup, might
also be useful.

Especially if you're building from source, it's also a good idea to
double-check that the cryptsetup binary that you're running is the one
you expect.

-- 
Michael Kjörling • https://michael.kjorling.se • michael@xxxxxxxxxxx
 “Remember when, on the Internet, nobody cared that you were a dog?”

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