diff options
| author |   deraadt <deraadt@openbsd.org> | 2011-01-10 06:44:49 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2011-01-10 06:44:49 +0000 |
| commit | 958002144b46dfd10cadee3d3e18be7322a0ae71 (patch) | |
| tree | 1c5f6f11bb45b015b2d0556510e26553e456ad4f | |
| parent | update the documentation regarding the *4 vs *6 decision for early RC4 (diff) | |
| download | wireguard-openbsd-958002144b46dfd10cadee3d3e18be7322a0ae71.tar.xz wireguard-openbsd-958002144b46dfd10cadee3d3e18be7322a0ae71.zip | |
talk to /dev/arandom as a single read or write.
in particular a single write will result in a single re-key event,
rather than 64 writes causing 64 re-keys -- wasting the kernel's time.
ok guenther
| -rw-r--r-- | etc/rc | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -1,4 +1,4 @@ -# $OpenBSD: rc,v 1.346 2010/12/22 18:13:14 deraadt Exp $ +# $OpenBSD: rc,v 1.347 2011/01/10 06:44:49 deraadt Exp $ # System startup script run by init on autoboot # or after single-user. @@ -102,12 +102,12 @@ wsconsctl_conf() random_seed() { if [ -f /var/db/host.random -a "X$random_seed_done" = "X" ]; then - dd if=/var/db/host.random of=/dev/arandom bs=1024 count=64 \ + dd if=/var/db/host.random of=/dev/arandom bs=65536 count=1 \ > /dev/null 2>&1 # reset seed file, so that if a shutdown-less reboot occurs, # the next seed is not a repeat - dd if=/dev/arandom of=/var/db/host.random bs=1024 count=64 \ + dd if=/dev/arandom of=/var/db/host.random bs=65536 count=1 \ > /dev/null 2>&1 random_seed_done=1 @@ -159,7 +159,7 @@ export PATH . /etc/rc.conf if [ X"$1" = X"shutdown" ]; then - dd if=/dev/arandom of=/var/db/host.random bs=1024 count=64 >/dev/null 2>&1 + dd if=/dev/arandom of=/var/db/host.random bs=65536 count=1 >/dev/null 2>&1 chmod 600 /var/db/host.random >/dev/null 2>&1 if [ $? -eq 0 -a -f /etc/rc.shutdown ]; then echo /etc/rc.shutdown in progress... @@ -310,7 +310,7 @@ mount -s /var >/dev/null 2>&1 # if there's no /var/db/host.random, use /dev/arandom to create one if [ ! -f /var/db/host.random ]; then - dd if=/dev/arandom of=/var/db/host.random bs=1024 count=64 \ + dd if=/dev/arandom of=/var/db/host.random bs=65536 count=1 \ >/dev/null 2>&1 chmod 600 /var/db/host.random >/dev/null 2>&1 else |