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