[dm-crypt] RHEL6 crypto support

Milan Broz gmazyland at gmail.com
Fri Jan 18 20:37:59 CET 2013

On 01/18/2013 08:33 PM, Arno Wagner wrote:
> On Fri, Jan 18, 2013 at 11:16:42AM -0800, David Li wrote:
>> Here is a newbie question.
>> I encountered an error at luksFormat on a loop device:
>> device-mapper: reload ioctl failed: Invalid argument
>> Failed to setup dm-crypt key mapping for device /dev/loop0.
>> Check that kernel supports aes-cbc-essiv:sha256 cipher (check syslog for
>> more info).
>> So I guesss my RHEL6 doesn't have the proper crypto module installed. This
>> is a dump of /proc/crypto:
> [....]
>> But I am not quite sure which package is missing here.  Is it something
>> more general like "yum install aes"?
> Is this a self-compiled cryptsetup?

I would say it is self-compiled kernel :)

RHEL6 default kernel will autoload crypto modules as requested.
(And upstream cryptsetup works there too, it is one of the testing platform)

What's the kernel and cryptsetup version?


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