On Tue, 28 May 2019 at 05:30, Petr Štetiar <yn...@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.
yousong
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