[systemd-devel] Why we need to read/save random seed?

Greg KH gregkh at linuxfoundation.org
Sun Jun 14 09:43:41 PDT 2015


On Sun, Jun 14, 2015 at 12:49:55PM -0300, Cristian Rodríguez wrote:
> 
> El jun. 14, 2015 10:21, "cee1" <fykcee1 at gmail.com> escribió:
> >
> > Hi all,
> >
> > Why we need to read/save random seed? Can it be read from /dev/random each
> time?
> 
> Because the kernel is borked and still is needs to be fed of entropy at system
> startup by user space. Please read the random man page.
> 
> I agree we shouldn't have to do this at all..

Really?  And how do you suggest we "fix" the kernel when the hardware
itself doesn't provide us with a proper random number "seed" in the
first place?  What do you suggest we do instead?

thanks,

greg k-h


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