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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you 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 io.netty.handler.ssl.util;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.X509v3CertificateBuilder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
import org.bouncycastle.operator.ContentSigner;
import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
import java.math.BigInteger;
import java.security.KeyPair;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.Date;
import static io.netty.handler.ssl.util.SelfSignedCertificate.newSelfSignedCertificate;
/**
* Generates a self-signed certificate using Bouncy Castle.
*/
final class BouncyCastleSelfSignedCertGenerator {
private static final Provider PROVIDER;
static {
Class> providerClass;
try {
providerClass = Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
} catch (ClassNotFoundException e) {
try {
providerClass = Class.forName("org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider");
} catch (ClassNotFoundException ignore) {
throw new RuntimeException("Neither BouncyCastleProvider nor BouncyCastleFipsProvider found");
}
}
try {
PROVIDER = (Provider) providerClass.newInstance();
} catch (Exception e) {
throw new RuntimeException("Failed to instantiate BouncyCastle provider", e);
}
}
static String[] generate(String fqdn, KeyPair keypair, SecureRandom random, Date notBefore, Date notAfter,
String algorithm) throws Exception {
PrivateKey key = keypair.getPrivate();
// Prepare the information required for generating an X.509 certificate.
X500Name owner = new X500Name("CN=" + fqdn);
X509v3CertificateBuilder builder = new JcaX509v3CertificateBuilder(
owner, new BigInteger(64, random), notBefore, notAfter, owner, keypair.getPublic());
ContentSigner signer = new JcaContentSignerBuilder(
algorithm.equalsIgnoreCase("EC") ? "SHA256withECDSA" : "SHA256WithRSAEncryption").build(key);
X509CertificateHolder certHolder = builder.build(signer);
X509Certificate cert = new JcaX509CertificateConverter().setProvider(PROVIDER).getCertificate(certHolder);
cert.verify(keypair.getPublic());
return newSelfSignedCertificate(fqdn, key, cert);
}
private BouncyCastleSelfSignedCertGenerator() { }
}
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