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ima-evm-utils-mirror/examples/ima-genkey-ecc.sh
Stefan Berger 14bce8a97c Add example scripts for EC key and certs generation
Add example scripts for EC key and certificate creation and reference
them from the README and Makefile.am.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2023-04-27 09:48:31 -04:00

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#!/bin/sh
GENKEY=ima.genkey
cat << __EOF__ >$GENKEY
[ req ]
distinguished_name = req_distinguished_name
prompt = no
string_mask = utf8only
x509_extensions = v3_usr
[ req_distinguished_name ]
O = `hostname`
CN = `whoami` signing key
emailAddress = `whoami`@`hostname`
[ 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 365 -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 365 -extfile $GENKEY -extensions v3_usr \
-CA ima-local-ca.pem -CAkey ima-local-ca.priv -CAcreateserial \
-outform DER -out x509_ima.der