mirrors/poky
1
0
Fork 0
mirror of https://git.yoctoproject.org/poky synced 2026-04-28 06:32:34 +02:00
Code Issues Packages Projects Releases Wiki Activity

initscripts: Use current date as an additional source of entropy

Browse Source 
If the seed file is empty or does not exist, the date is an extremely
poor backup source of entropy, but it is better than nothing.

(From OE-Core rev: 0a41a7c20316c7d3330233a624d8cf20ea5a81ae)

Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ken Sharp
2014-07-17 16:56:55 -05:00
committed by Richard Purdie
parent 769b0f3018
commit 82ef864f19
1 changed files with 5 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
meta/recipes-core/initscripts/initscripts-1.0/urandom
View File

@@ -20,12 +20,11 @@ RANDOM_SEED_FILE=/var/lib/urandom/random-seed
case "$1" in
start|"")
test "$VERBOSE" != no && echo "Initializing random number generator..."
# Load and then save 512 bytes,
# which is the size of the entropy pool
if test -f "$RANDOM_SEED_FILE"
then
cat "$RANDOM_SEED_FILE" >/dev/urandom
fi
# Load and then save 512 bytes, which is the size of the entropy
# pool. Also load the current date, in case the seed file is
# empty.
( date +%s.%N; [ -f "$RANDOM_SEED_FILE" ] && cat "$RANDOM_SEED_FILE" ) \
>/dev/urandom
rm -f "$RANDOM_SEED_FILE"
umask 077
dd if=/dev/urandom of=$RANDOM_SEED_FILE count=1 \