sonic-buildimage/scripts/sign_image.sh
xumia e28cb8f58e
[Secure Boot] Support to sign swi image (#4627)
* [secure boot] Support to sign swi image

* Fix build issue

* fix tab format issue

* Fix typing issue

* Change the sign_image.sh command line

* Remove SONIC_CETIFICATE_PATH

* Fix bugs
2020-06-09 15:25:17 +08:00

70 lines
1.8 KiB
Bash
Executable File

#!/bin/bash -ex
IMAGE=""
SIGNING_KEY=""
SIGNING_CERT=""
CA_CERT=""
usage()
{
echo "Usage: $0 -i <image_path> [-k <signing_key> -c <signing_cert> -a <ca_cert>]"
exit 1
}
generate_signing_key()
{
TMP_CERT_PATH=$(mktemp -d)
SIGNING_KEY="${TMP_CERT_PATH}/signing.key"
SIGNING_CERT="${TMP_CERT_PATH}/signing.crt"
SIGNING_CSR="${TMP_CERT_PATH}/signing.csr"
CA_KEY="${TMP_CERT_PATH}/ca.key"
# Generate the CA key and certificate
openssl genrsa -out $CA_KEY 4096
openssl req -x509 -new -nodes -key $CA_KEY -sha256 -days 3650 -subj "/C=US/ST=Test/L=Test/O=Test/CN=Test" -out $CA_CERT
# Generate the signing key, certificate request and certificate
openssl genrsa -out $SIGNING_KEY 4096
openssl req -new -key $SIGNING_KEY -subj "/C=US/ST=Test/L=Test/O=Test/CN=Test" -out $SIGNING_CSR
openssl x509 -req -in $SIGNING_CSR -CA $CA_CERT -CAkey $CA_KEY -CAcreateserial -out $SIGNING_CERT -days 1825 -sha256
}
while getopts "i:k:c:a:t:" opt; do
case $opt in
i)
IMAGE=$OPTARG
;;
k)
SIGNING_KEY=$OPTARG
;;
c)
SIGNING_CERT=$OPTARG
;;
a)
CA_CERT=$OPTARG
;;
*)
usage
;;
esac
done
[ -z $CA_CERT ] && echo "Not to sign the image since the CA certificate not provided" 1>&2 && exit 1
# Generate the self signed cert if not provided by input
[ ! -f $CA_CERT ] && generate_signing_key
# Verify the required files existing
[ ! -f $SIGNING_KEY ] && echo "$SIGNING_KEY not exist" && exit 1
[ ! -f $SIGNING_CERT ] && echo "$SIGNING_CERT not exist" && exit 1
[ ! -f $CA_CERT ] && echo "$CA_CERT not exist" && exit 1
# Prepare the image
swi-signature prepare $IMAGE
# Sign the image
swi-signature sign $IMAGE $SIGNING_CERT $CA_CERT --key $SIGNING_KEY
exit 0