diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2011-01-10 06:44:50 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2011-01-10 06:44:50 +0000 |
| commit | 1a7c9558a28dea1703250bbce6a967f00dd2ca8c (patch) | |
| tree | 8af399431719e7351031adbb0166c55d08c5cb2f /etc/rc | |
| parent | b0bcad6eb44ca87a04c97f0194780face0cb7cb1 (diff) | |
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
Diffstat (limited to 'etc/rc')
| -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 |