From 260a9b4faeb49a8845225fa239af16ad1b0e2799 Mon Sep 17 00:00:00 2001 From: William Petit Date: Mon, 6 Mar 2023 13:09:32 +0100 Subject: [PATCH] feat: add urandom seed as source for machine-id generation --- files/etc/uci-defaults/99-machine-id.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/files/etc/uci-defaults/99-machine-id.sh b/files/etc/uci-defaults/99-machine-id.sh index 28e0489..9f212d8 100755 --- a/files/etc/uci-defaults/99-machine-id.sh +++ b/files/etc/uci-defaults/99-machine-id.sh @@ -13,12 +13,13 @@ main() { # Accumulate data to create unique machine id local mac_addresses=$(cat /sys/class/net/*/address | uniq | sort) local device_model=$(cat /sys/firmware/devicetree/base/model) + local urandom_seed=$(cat /etc/urandom.seed | sha256sum | cut -d ' ' -f1) # Ensure destination directory mkdir -p "$(dirname "$machine_id_file")" # Generate SHA256 hash of data and save it to $machine_id_file - echo "$mac_adresses $device_model" | sha256sum | cut -d ' ' -f1 > "$machine_id_file" + echo "$mac_adresses $device_model $urandom_seed" | sha256sum | cut -d ' ' -f1 > "$machine_id_file" } main \ No newline at end of file