1#!/bin/sh
2
3usage()
4{
5	echo usage: $0 futility input.img key.vbpubk key.vbprivk output.keyblock output.img
6}
7
8cleanup()
9{
10	rm -f ${EMPTY}
11}
12
13if [ "$#" -ne 6 ]; then
14	echo ERROR: invalid number of arguments
15	usage
16	exit 1
17fi
18
19futility=$1
20input=$2
21pubkey=$3
22privkey=$4
23keyblock=$5
24output=$6
25
26EMPTY=$(mktemp /tmp/tmp.XXXXXXXX)
27trap cleanup EXIT
28echo " " > ${EMPTY}
29
30echo signing ${input} with ${privkey} to generate ${output}
31${futility} vbutil_keyblock --pack ${keyblock} --datapubkey ${pubkey} --signprivate ${privkey}
32if [ $? -ne 0 ]; then
33	echo ERROR: unable to generate keyblock
34	exit $?
35fi
36
37${futility} vbutil_kernel --pack ${output} --keyblock ${keyblock} --signprivate ${privkey} --version 1 --vmlinuz ${input} --config ${EMPTY} --arch arm --bootloader ${EMPTY} --flags 0x1
38if [ $? -ne 0 ]; then
39	echo ERROR: unable to sign image
40	exit $?
41fi
42
43