- save whole entropy pool

svn-id: @11414

diff --git a/rc.d/init.d/random b/rc.d/init.d/random
index 1eacf8a1251763b0d9dd59254a45bddc8c738ff2..df2a7084a02feb88697953b895d22a109cfaf76d 100644 (file)
--- a/rc.d/init.d/random
+++ b/rc.d/init.d/random
@@ -14,6 +14,9 @@
 
 random_seed=/var/run/random-seed
 
+poolfile=/proc/sys/kernel/random/poolsize
+[ -r $poolfile ] && bytes="$(cat $poolfile)" || bytes=512
+
 # See how we were called.
 case "$1" in
   start)
@@ -22,14 +25,13 @@ case "$1" in
                show "Initializing random number generator"
                busy
                # Carry a random seed from start-up to start-up
-               # Load and then save 512 bytes, which is the size of the entropy pool
                if [ -f $random_seed ]; then
                        cat $random_seed >/dev/urandom
                else
                        touch $random_seed
                fi
                chmod 600 $random_seed
-               dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
+               dd if=/dev/urandom of=$random_seed count=1 bs=$bytes 2>/dev/null
                touch /var/lock/subsys/random
                deltext
                ok
@@ -38,12 +40,11 @@ case "$1" in
   stop)
        if [ -f /var/lock/subsys/random ]; then
                # Carry a random seed from shut-down to start-up
-               # Save 512 bytes, which is the size of the entropy pool
                show "Saving random seed"
                busy
                touch $random_seed
                chmod 600 $random_seed
-               dd if=/dev/urandom of=$random_seed count=1 bs=512 2>/dev/null
+               dd if=/dev/urandom of=$random_seed count=1 bs=$bytes 2>/dev/null
 
                rm -f /var/lock/subsys/random
                deltext