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