1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun 4*4882a593Smuzhiyunif [ ! -f "$1" ]; then 5*4882a593Smuzhiyun SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` 6*4882a593Smuzhiyun echo "const char *randstruct_seed = \"$SEED\";" > "$1" 7*4882a593Smuzhiyun HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` 8*4882a593Smuzhiyun echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" 9*4882a593Smuzhiyunfi 10