xref: /openbmc/openbmc/meta-security/meta-integrity/scripts/ima-gen-CA-signed.sh (revision dc9d614711d1f205166fa42a0af05054fe06b26d)
115ae2509SBrad Bishop#!/bin/sh
215ae2509SBrad Bishop#
315ae2509SBrad Bishop# Copied from ima-evm-utils.
415ae2509SBrad Bishop#
515ae2509SBrad Bishop# This program is free software; you can redistribute it and/or
615ae2509SBrad Bishop# modify it under the terms of the GNU General Public License
715ae2509SBrad Bishop# version 2 as published by the Free Software Foundation.
815ae2509SBrad Bishop#
915ae2509SBrad Bishop# This program is distributed in the hope that it will be useful,
1015ae2509SBrad Bishop# but WITHOUT ANY WARRANTY; without even the implied warranty of
1115ae2509SBrad Bishop# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1215ae2509SBrad Bishop# GNU General Public License for more details.
1315ae2509SBrad Bishop#
1415ae2509SBrad Bishop# You should have received a copy of the GNU General Public License
1515ae2509SBrad Bishop# along with this program.  If not, see <http://www.gnu.org/licenses/>.
1615ae2509SBrad Bishop
1715ae2509SBrad BishopGENKEY=ima.genkey
1815ae2509SBrad BishopCA=${1:-ima-local-ca.pem}
1915ae2509SBrad BishopCAKEY=${2:-ima-local-ca.priv}
2015ae2509SBrad Bishop
2115ae2509SBrad Bishopcat << __EOF__ >$GENKEY
2215ae2509SBrad Bishop[ req ]
2315ae2509SBrad Bishopdistinguished_name = req_distinguished_name
2415ae2509SBrad Bishopprompt = no
2515ae2509SBrad Bishopstring_mask = utf8only
2615ae2509SBrad Bishopx509_extensions = v3_usr
2715ae2509SBrad Bishop
2815ae2509SBrad Bishop[ req_distinguished_name ]
2915ae2509SBrad BishopO = example.com
3015ae2509SBrad BishopCN = meta-intel-iot-security example signing key
3115ae2509SBrad BishopemailAddress = john.doe@example.com
3215ae2509SBrad Bishop
3315ae2509SBrad Bishop[ v3_usr ]
3415ae2509SBrad BishopbasicConstraints=critical,CA:FALSE
3515ae2509SBrad Bishop#basicConstraints=CA:FALSE
3615ae2509SBrad BishopkeyUsage=digitalSignature
3715ae2509SBrad Bishop#keyUsage = nonRepudiation, digitalSignature, keyEncipherment
38*dc9d6147SAndrew GeisslerextendedKeyUsage=critical,codeSigning
3915ae2509SBrad BishopsubjectKeyIdentifier=hash
4015ae2509SBrad BishopauthorityKeyIdentifier=keyid
4115ae2509SBrad Bishop#authorityKeyIdentifier=keyid,issuer
4215ae2509SBrad Bishop__EOF__
4315ae2509SBrad Bishop
44*dc9d6147SAndrew Geissleropenssl req -new -nodes -utf8 -sha256 -days 36500 -batch -config $GENKEY \
45*dc9d6147SAndrew Geissler        -out csr_ima.pem -keyout privkey_ima.pem \
46*dc9d6147SAndrew Geissler        -newkey ec -pkeyopt ec_paramgen_curve:prime256v1
47*dc9d6147SAndrew Geissleropenssl x509 -req -in csr_ima.pem -days 36500 -extfile $GENKEY -extensions v3_usr \
4815ae2509SBrad Bishop        -CA $CA -CAkey $CAKEY -CAcreateserial \
4915ae2509SBrad Bishop        -outform DER -out x509_ima.der
50