Re: LUKS UUID format

[John Lane]

On 18/11/14 12:38, Andrei Borzenkov wrote:
> On Tue, Nov 18, 2014 at 3:25 PM, John Lane <address@hidden> wrote:
>> When opening a LUKS volume, I found that the UUID needs to be just the
>> digits without the additional formatting hyphens that are commonplace.
>>
>>     cryptomount -u af4b91598cbb4122b8010c18adf26b3e
>>
>> whereas all other places, like setting the Grub "root" and the Linux
>> kernel options, expect the hyphenated format that is described in
>> RFC4122. Also, UUIDs in a generated grub.cfg have the hypenated format.
>>
>> I have a little function in my experimental grub.cfg that I use like this
>>
>> menuentry 'Linux Encrypted' { crypt_start
>> af4b9159-8cbb-4122-b801-0c18adf26b3e da9253f8-14ec-43df-8e79-fdf66f71adc8 }
>>
>> but I've had to modify it to specify the crypt's UUID twice, like this:
>>
>> menuentry 'Linux Encrypted' { crypt_start
>> af4b9159-8cbb-4122-b801-0c18adf26b3e af4b91598cbb4122b8010c18adf26b3e
>> da9253f8-14ec-43df-8e79-fdf66f71adc8 }
>>
>> I wondered if there was any Grub2 function that I could use de-hyphenate
>> a parameter containing a UUID, or if "cryptomount" can, or could be made
>> to, accept formatted UUIDs .
>>
> Sure it could. Just needs someone to persuade it :)
>
Consider it persuaded :)
https://savannah.gnu.org/bugs/index.php?43727