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random: Initialise the kernel's PRNG earlier

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Since more processes depend on good randomness, we need to
make sure that the kernel's PRNG is initialized as early as
possible.

For systems without a HWRNG, we will need to fall back to our
noisy loop and wait until we have enough randomness.

This patch also removes saving and restoring the seed. This
is no longer useful because the kernel's PRNG only takes any
input after it has successfully been seeded from other sources.

Hence adding this seed does not increase its randomness.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
This commit is contained in:
Michael Tremer
2020-04-29 19:33:04 +00:00
committed by Arne Fitzenreiter
parent 65cb935200
commit 97b1857ba4
6 changed files with 6 additions and 35 deletions
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4
lfs/initscripts
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@@ -126,9 +126,6 @@ $(TARGET) :
ln -sf ../init.d/unbound /etc/rc.d/rc0.d/K86unbound
ln -sf ../init.d/unbound /etc/rc.d/rc3.d/S11unbound
ln -sf ../init.d/unbound /etc/rc.d/rc6.d/K86unbound
ln -sf ../init.d/random /etc/rc.d/rc0.d/K45random
ln -sf ../init.d/random /etc/rc.d/rc3.d/S00random
ln -sf ../init.d/random /etc/rc.d/rc6.d/K45random
ln -sf ../../sysconfig/rc.local /etc/rc.d/rc3.d/S98rc.local
ln -sf ../init.d/client175 /etc/rc.d/rc0.d/K34client175
ln -sf ../init.d/client175 /etc/rc.d/rc3.d/S66client175
@@ -174,6 +171,7 @@ $(TARGET) :
ln -sf ../init.d/setclock /etc/rc.d/rc0.d/K47setclock
ln -sf ../init.d/setclock /etc/rc.d/rc6.d/K47setclock
ln -sf ../init.d/rngd /etc/rc.d/rcsysinit.d/S65rngd
ln -sf ../init.d/random /etc/rc.d/rcsysinit.d/S66random
ln -sf ../init.d/console /etc/rc.d/rcsysinit.d/S70console
ln -sf ../init.d/pakfire /etc/rc.d/rcsysinit.d/S71pakfire
ln -sf ../init.d/cloud-init /etc/rc.d/rcsysinit.d/S74cloud-init