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attest-provider/scripts/generate-tls-cert.sh
2024-10-18 09:33:52 -05:00

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#!/usr/bin/env bash
# Copyright Docker attest-provider authors
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
cd "${REPO_ROOT}" || exit 1
NAMESPACE=security
generate() {
# generate CA key and certificate
echo "Generating CA key and certificate for attest-provider..."
openssl genrsa -out ca.key 2048
openssl req -new -x509 -days 3650 -key ca.key -subj "/O=Gatekeeper/CN=Gatekeeper Root CA" -out ca.crt
# generate server key and certificate
echo "Generating server key and certificate for attest-provider..."
openssl genrsa -out tls.key 2048
openssl req -newkey rsa:2048 -nodes -keyout tls.key -subj "/CN=attest-provider.${NAMESPACE}" -out server.csr
openssl x509 -req -extfile <(printf "subjectAltName=DNS:attest-provider.%s" "${NAMESPACE}") -days 3650 -sha256 -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out tls.crt
}
mkdir -p "${REPO_ROOT}/certs"
pushd "${REPO_ROOT}/certs"
generate
popd