[OpenWrt-Devel] [PATCH 3/4] base-files: move urandom seed bits into separate package

Yousong Zhou yszhou4tech at gmail.com
Tue May 28 19:27:07 PDT 2019


On Wed, 29 May 2019 at 05:17, Etienne Champetier
<champetier.etienne at gmail.com> wrote:
>
> Hi Yousong,
>
> Le mar. 28 mai 2019 à 09:01, Yousong Zhou <yszhou4tech at gmail.com> a écrit :
>>
>> On Tue, 28 May 2019 at 05:30, Petr Štetiar <ynezz at true.cz> wrote:
>>
>> ...
>>
>> > +
>> > +save() {
>> > +    touch "$1.tmp"
>> > +    chown root:root "$1.tmp"
>> > +    chmod 600 "$1.tmp"
>> > +    getrandom 512 > "$1.tmp"
>> > +    mv "$1.tmp" "$1"
>> > +    echo "Seed saved ($1)"
>> > +}
>>
>> Maybe we could prepare the .tmp file in /tmp of tmpfs type, to save a
>> few rounds of nor flash writes.
>
>
> The idea was to be able to do atomic mv

Get.  Thank you for the explanation ;)

Regards,
                yousong



More information about the openwrt-devel mailing list