Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-11-10 Thread Corentin Labbe
On Tue, Oct 25, 2016 at 03:26:48PM +0200, Maxime Ripard wrote: > On Tue, Oct 25, 2016 at 07:38:55AM +0200, LABBE Corentin wrote: > > On Mon, Oct 24, 2016 at 10:10:20PM +0200, Maxime Ripard wrote: > > > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > > > Since SID's content is co

Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-10-28 Thread LABBE Corentin
On Tue, Oct 25, 2016 at 09:06:34AM +0200, Jean-Francois Moine wrote: > On Tue, 25 Oct 2016 07:38:55 +0200 > LABBE Corentin wrote: > > > > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > > > Since SID's content is constant over reboot, > > > > > > That's not true, at least not

Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-10-26 Thread Maxime Ripard
On Tue, Oct 25, 2016 at 07:38:55AM +0200, LABBE Corentin wrote: > On Mon, Oct 24, 2016 at 10:10:20PM +0200, Maxime Ripard wrote: > > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > > Since SID's content is constant over reboot, > > > > That's not true, at least not across all t

Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-10-25 Thread Jean-Francois Moine
On Tue, 25 Oct 2016 07:38:55 +0200 LABBE Corentin wrote: > > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > > Since SID's content is constant over reboot, > > > > That's not true, at least not across all the Allwinner SoCs, and > > especially not on the A10 and A20 that this

Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-10-24 Thread LABBE Corentin
On Mon, Oct 24, 2016 at 10:10:20PM +0200, Maxime Ripard wrote: > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > Since SID's content is constant over reboot, > > That's not true, at least not across all the Allwinner SoCs, and > especially not on the A10 and A20 that this drive

Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of randomness

2016-10-24 Thread Maxime Ripard
On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > Since SID's content is constant over reboot, That's not true, at least not across all the Allwinner SoCs, and especially not on the A10 and A20 that this driver supports. > it must not be used as source of randomness. And I don't