Re: [PATCH 3/3][RFC] tools: create power/crypto utility

Rafael J. Wysocki
2018-06-25T07:07:00Z

On Thu, Jun 21, 2018 at 9:04 PM, Pavel Machek <pavel@ucw.cz> wrote:
> On Thu 2018-06-21 14:10:06, Rafael J. Wysocki wrote:
>> On Thu, Jun 21, 2018 at 11:01 AM, Pavel Machek <pavel@ucw.cz> wrote:
>> >
>> >
>> > On Wed 2018-06-20 17:40:51, Chen Yu wrote:
>> >> crypto_hibernate is a user-space utility to generate
>> >> 512bits AES key and pass it to the kernel via ioctl
>> >> for hibernation encryption.(We can also add the key
>> >> into kernel via keyctl if necessary, but currently
>> >> using ioctl seems to be more straightforward as we
>> >> need both the key and salt transit).
>> >
>> > Ah, here you go:
>> >
>> > https://en.wikipedia.org/wiki/Uswsusp
>>
>> No, not really.
>>
>> > It can already do encryption. If you see problems there, patches will
>> > be gladly accepted to fix them.
>>
>> By whom?
>
> By me.

Well, OK

Where's the repository the patches will go to when you accept them?

>> > If you want to maintain uswsusp in kernel tree, I guess that would be
>> > an option, too.
>>
>> No, it isn't an option due to the dependencies on crypto libraries.
>
> Why not?

You need a specific set of devel libraries for the utilities to build
and that need not be present on all systems I suppose?

Besides, s2disk is currently tangled with s2ram which is obsolete, so
I'd rather not.