3 # See uefisign(8) manual page for usage instructions.
9 echo "$*" > /dev/stderr
14 echo "usage: $0 common-name"
21 # XXX: Set this to ten years; we don't want system to suddenly stop booting
22 # due to certificate expiration. Better way would be to use Authenticode
23 # Timestamp. That said, the rumor is UEFI implementations ignore it anyway.
27 [ ! -e "${certfile}" ] || die "${certfile} already exists"
28 [ ! -e "${efifile}" ] || die "${efifile} already exists"
29 [ ! -e "${keyfile}" ] || die "${keyfile} already exists"
31 umask 077 || die "umask 077 failed"
33 openssl genrsa -out "${keyfile}" 2048 2> /dev/null || die "openssl genrsa failed"
34 openssl req -new -x509 -sha256 -days "${days}" -subj "${subj}" -key "${keyfile}" -out "${certfile}" || die "openssl req failed"
35 openssl x509 -inform PEM -outform DER -in "${certfile}" -out "${efifile}" || die "openssl x509 failed"
37 echo "certificate: ${certfile}; private key: ${keyfile}; certificate to enroll in UEFI: ${efifile}"