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