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CreateSubordinateCa.java
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/
CreateSubordinateCa.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_subordinateca]
import com.google.api.core.ApiFuture;
import com.google.cloud.security.privateca.v1.CaPoolName;
import com.google.cloud.security.privateca.v1.CertificateAuthority;
import com.google.cloud.security.privateca.v1.CertificateAuthority.KeyVersionSpec;
import com.google.cloud.security.privateca.v1.CertificateAuthority.SignHashAlgorithm;
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.CreateCertificateAuthorityRequest;
import com.google.cloud.security.privateca.v1.KeyUsage;
import com.google.cloud.security.privateca.v1.KeyUsage.KeyUsageOptions;
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.longrunning.Operation;
import com.google.protobuf.Duration;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
public class CreateSubordinateCa {
public static void main(String[] args)
throws InterruptedException, ExecutionException, IOException {
// TODO(developer): Replace these variables before running the sample.
// location: For a list of locations, see:
// https://cloud.google.com/certificate-authority-service/docs/locations
// pool_Id: Set it to the CA Pool under which the CA should be created.
// subordinateCaName: Unique name for the Subordinate CA.
String project = "your-project-id";
String location = "ca-location";
String pool_Id = "ca-pool-id";
String subordinateCaName = "subordinate-certificate-authority-name";
createSubordinateCertificateAuthority(project, location, pool_Id, subordinateCaName);
}
public static void createSubordinateCertificateAuthority(
String project, String location, String pool_Id, String subordinateCaName)
throws IOException, ExecutionException, InterruptedException {
// 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()) {
String commonName = "common-name";
String orgName = "csr-org-name";
String domainName = "test.google.com";
int caDuration = 100000; // Validity of this CA in seconds.
// Set the type of Algorithm.
KeyVersionSpec keyVersionSpec =
KeyVersionSpec.newBuilder().setAlgorithm(SignHashAlgorithm.RSA_PKCS1_4096_SHA256).build();
// Set CA subject config.
SubjectConfig subjectConfig =
SubjectConfig.newBuilder()
.setSubject(
Subject.newBuilder().setCommonName(commonName).setOrganization(orgName).build())
// Set the fully qualified domain name.
.setSubjectAltName(SubjectAltNames.newBuilder().addDnsNames(domainName).build())
.build();
// Set the key usage options for X.509 fields.
X509Parameters x509Parameters =
X509Parameters.newBuilder()
.setKeyUsage(
KeyUsage.newBuilder()
.setBaseKeyUsage(
KeyUsageOptions.newBuilder().setCrlSign(true).setCertSign(true).build())
.build())
.setCaOptions(CaOptions.newBuilder().setIsCa(true).build())
.build();
// Set certificate authority settings.
CertificateAuthority subCertificateAuthority =
CertificateAuthority.newBuilder()
.setType(CertificateAuthority.Type.SUBORDINATE)
.setKeySpec(keyVersionSpec)
.setConfig(
CertificateConfig.newBuilder()
.setSubjectConfig(subjectConfig)
.setX509Config(x509Parameters)
.build())
// Set the CA validity duration.
.setLifetime(Duration.newBuilder().setSeconds(caDuration).build())
.build();
// Create the CertificateAuthorityRequest.
CreateCertificateAuthorityRequest subCertificateAuthorityRequest =
CreateCertificateAuthorityRequest.newBuilder()
.setParent(CaPoolName.of(project, location, pool_Id).toString())
.setCertificateAuthorityId(subordinateCaName)
.setCertificateAuthority(subCertificateAuthority)
.build();
// Create Subordinate CA.
ApiFuture<Operation> futureCall =
certificateAuthorityServiceClient
.createCertificateAuthorityCallable()
.futureCall(subCertificateAuthorityRequest);
Operation response = futureCall.get();
if (response.hasError()) {
System.out.println("Error while creating Subordinate CA !" + response.getError());
return;
}
System.out.println(
"Subordinate Certificate Authority created successfully : " + subordinateCaName);
}
}
}
// [END privateca_create_subordinateca]