3 # $FreeBSD: src/etc/rc.d/initrandom,v 1.1 2002/06/13 22:14:36 gordon Exp $
4 # $DragonFly: src/etc/rc.d/initrandom,v 1.6 2006/07/10 22:19:14 dillon Exp $
8 # REQUIRE: initdiskless
14 start_cmd="initrandom_start"
19 if [ -f "${1}" -a -r "${1}" -a -s "${1}" ]; then
20 sysctl kern.seedenable=1 >/dev/null
21 cat "${1}" | dd of=/dev/random bs=8k 2>/dev/null
22 sysctl kern.seedenable=0 >/dev/null
28 # First pass at reseeding /dev/random.
30 case ${entropy_file} in
34 if [ -w /dev/random ]; then
35 feed_dev_random "${entropy_file}"
40 # Mix in more junk. At the very least this will make seeding a
41 # bit more machine specific. The sysctl -a will also catch the
42 # TSC, 8254, and a few other things that tend to be somewhat more
43 # random (even from a CD boot) so it isn't all that bad.
45 sysctl kern.seedenable=1 >/dev/null
46 ( ps -fauxww; sysctl -a; date; df -ib; dmesg; ps -fauxww; ) \
47 2>&1 | dd of=/dev/random bs=8k 2>/dev/null
48 cat /bin/ls | dd of=/dev/random bs=8k 2>/dev/null
49 sysctl kern.seedenable=0 >/dev/null