Initial commit

meta-security/meta-integrity/scripts/ima-gen-CA-signed.sh

@@ -0,0 +1,49 @@
+#!/bin/sh
+#
+# Copied from ima-evm-utils.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# version 2 as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+GENKEY=ima.genkey
+CA=${1:-ima-local-ca.pem}
+CAKEY=${2:-ima-local-ca.priv}
+
+cat << __EOF__ >$GENKEY
+[ req ]
+distinguished_name = req_distinguished_name
+prompt = no
+string_mask = utf8only
+x509_extensions = v3_usr
+
+[ req_distinguished_name ]
+O = example.com
+CN = meta-intel-iot-security example signing key
+emailAddress = john.doe@example.com
+
+[ v3_usr ]
+basicConstraints=critical,CA:FALSE
+#basicConstraints=CA:FALSE
+keyUsage=digitalSignature
+#keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+extendedKeyUsage=critical,codeSigning
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid
+#authorityKeyIdentifier=keyid,issuer
+__EOF__
+
+openssl req -new -nodes -utf8 -sha256 -days 36500 -batch -config $GENKEY \
+        -out csr_ima.pem -keyout privkey_ima.pem \
+        -newkey ec -pkeyopt ec_paramgen_curve:prime256v1
+openssl x509 -req -in csr_ima.pem -days 36500 -extfile $GENKEY -extensions v3_usr \
+        -CA $CA -CAkey $CAKEY -CAcreateserial \
+        -outform DER -out x509_ima.der