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CreateCertificate.java
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CreateCertificate.java
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/*
* Copyright 2021 Google LLC
*
* 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
*
* https://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.
*/
package privateca;
// [START privateca_create_certificate]
import com.google.api.core.ApiFuture;
import com.google.cloud.security.privateca.v1.CaPoolName;
import com.google.cloud.security.privateca.v1.Certificate;
import com.google.cloud.security.privateca.v1.CertificateAuthorityServiceClient;
import com.google.cloud.security.privateca.v1.CertificateConfig;
import com.google.cloud.security.privateca.v1.CertificateConfig.SubjectConfig;
import com.google.cloud.security.privateca.v1.CreateCertificateRequest;
import com.google.cloud.security.privateca.v1.KeyUsage;
import com.google.cloud.security.privateca.v1.KeyUsage.ExtendedKeyUsageOptions;
import com.google.cloud.security.privateca.v1.KeyUsage.KeyUsageOptions;
import com.google.cloud.security.privateca.v1.PublicKey;
import com.google.cloud.security.privateca.v1.PublicKey.KeyFormat;
import com.google.cloud.security.privateca.v1.Subject;
import com.google.cloud.security.privateca.v1.SubjectAltNames;
import com.google.cloud.security.privateca.v1.X509Parameters;
import com.google.cloud.security.privateca.v1.X509Parameters.CaOptions;
import com.google.protobuf.ByteString;
import com.google.protobuf.Duration;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
public class CreateCertificate {
public static void main(String[] args)
throws InterruptedException, ExecutionException, IOException {
// TODO(developer): Replace these variables before running the sample.
// publicKeyBytes: Public key used in signing the certificates.
// location: For a list of locations, see:
// https://cloud.google.com/certificate-authority-service/docs/locations
// pool_Id: Set a unique id for the CA pool.
// certificateAuthorityName: The name of the certificate authority which issues the certificate.
// certificateName: Set a unique name for the certificate.
String project = "your-project-id";
ByteString publicKeyBytes = ByteString.copyFrom(new byte[] {});
String location = "ca-location";
String pool_Id = "ca-pool_Id";
String certificateAuthorityName = "certificate-authority-name";
String certificateName = "certificate-name";
createCertificate(
project, location, pool_Id, certificateAuthorityName, certificateName, publicKeyBytes);
}
// Create a Certificate which is issued by the Certificate Authority present in the CA Pool.
// The public key used to sign the certificate can be generated using any crypto
// library/framework.
public static void createCertificate(
String project,
String location,
String pool_Id,
String certificateAuthorityName,
String certificateName,
ByteString publicKeyBytes)
throws InterruptedException, ExecutionException, IOException {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests. After completing all of your requests, call
// the `certificateAuthorityServiceClient.close()` method on the client to safely
// clean up any remaining background resources.
try (CertificateAuthorityServiceClient certificateAuthorityServiceClient =
CertificateAuthorityServiceClient.create()) {
// commonName: Enter a title for your certificate.
// orgName: Provide the name of your company.
// domainName: List the fully qualified domain name.
// certificateLifetime: The validity of the certificate in seconds.
String commonName = "common-name";
String orgName = "google";
String domainName = "test.google.com";
long certificateLifetime = 1000L;
// Set the Public Key and its format.
PublicKey publicKey =
PublicKey.newBuilder().setKey(publicKeyBytes).setFormat(KeyFormat.PEM).build();
SubjectConfig subjectConfig =
SubjectConfig.newBuilder()
// Set the common name and org name.
.setSubject(
Subject.newBuilder().setCommonName(commonName).setOrganization(orgName).build())
// Set the fully qualified domain name.
.setSubjectAltName(SubjectAltNames.newBuilder().addDnsNames(domainName).build())
.build();
// Set the X.509 fields required for the certificate.
X509Parameters x509Parameters =
X509Parameters.newBuilder()
.setKeyUsage(
KeyUsage.newBuilder()
.setBaseKeyUsage(
KeyUsageOptions.newBuilder()
.setDigitalSignature(true)
.setKeyEncipherment(true)
.setCertSign(true)
.build())
.setExtendedKeyUsage(
ExtendedKeyUsageOptions.newBuilder().setServerAuth(true).build())
.build())
.setCaOptions(CaOptions.newBuilder().setIsCa(true).buildPartial())
.build();
// Create certificate.
Certificate certificate =
Certificate.newBuilder()
.setConfig(
CertificateConfig.newBuilder()
.setPublicKey(publicKey)
.setSubjectConfig(subjectConfig)
.setX509Config(x509Parameters)
.build())
.setLifetime(Duration.newBuilder().setSeconds(certificateLifetime).build())
.build();
// Create the Certificate Request.
CreateCertificateRequest certificateRequest =
CreateCertificateRequest.newBuilder()
.setParent(CaPoolName.of(project, location, pool_Id).toString())
.setCertificateId(certificateName)
.setCertificate(certificate)
.setIssuingCertificateAuthorityId(certificateAuthorityName)
.build();
// Get the Certificate response.
ApiFuture<Certificate> future =
certificateAuthorityServiceClient
.createCertificateCallable()
.futureCall(certificateRequest);
Certificate response = future.get();
// Get the PEM encoded, signed X.509 certificate.
System.out.println(response.getPemCertificate());
// To verify the obtained certificate, use this intermediate chain list.
System.out.println(response.getPemCertificateChainList());
}
}
}
// [END privateca_create_certificate]