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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.security;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import javax.security.auth.x500.X500Principal;
import java.math.BigInteger;
import java.security.KeyPair;
import java.security.cert.X509Certificate;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author bjorncs
*/
public class X509CertificateBuilderTest {
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][]{
{KeyAlgorithm.RSA, 2048, SignatureAlgorithm.SHA512_WITH_RSA},
{KeyAlgorithm.EC, 256, SignatureAlgorithm.SHA512_WITH_ECDSA}});
}
private KeyAlgorithm keyAlgorithm;
private int keySize;
private SignatureAlgorithm signatureAlgorithm;
public void initX509CertificateBuilderTest(KeyAlgorithm keyAlgorithm,
int keySize,
SignatureAlgorithm signatureAlgorithm) {
this.keyAlgorithm = keyAlgorithm;
this.keySize = keySize;
this.signatureAlgorithm = signatureAlgorithm;
}
@MethodSource("data")
@ParameterizedTest(name = "{0}")
void can_build_self_signed_certificate(KeyAlgorithm keyAlgorithm, int keySize, SignatureAlgorithm signatureAlgorithm) {
initX509CertificateBuilderTest(keyAlgorithm, keySize, signatureAlgorithm);
KeyPair keyPair = KeyUtils.generateKeypair(keyAlgorithm, keySize);
X500Principal subject = new X500Principal("CN=myservice");
X509Certificate cert =
X509CertificateBuilder.fromKeypair(
keyPair,
subject,
Instant.now(),
Instant.now().plus(1, ChronoUnit.DAYS),
signatureAlgorithm,
BigInteger.valueOf(1))
.setBasicConstraints(true, true)
.build();
assertEquals(subject, cert.getSubjectX500Principal());
}
@MethodSource("data")
@ParameterizedTest(name = "{0}")
void can_build_certificate_from_csr(KeyAlgorithm keyAlgorithm, int keySize, SignatureAlgorithm signatureAlgorithm) {
initX509CertificateBuilderTest(keyAlgorithm, keySize, signatureAlgorithm);
X500Principal subject = new X500Principal("CN=subject");
X500Principal issuer = new X500Principal("CN=issuer");
KeyPair csrKeypair = KeyUtils.generateKeypair(keyAlgorithm, keySize);
Pkcs10Csr csr = Pkcs10CsrBuilder.fromKeypair(subject, csrKeypair, signatureAlgorithm).build();
KeyPair caKeypair = KeyUtils.generateKeypair(keyAlgorithm, keySize);
X509Certificate cert = X509CertificateBuilder
.fromCsr(
csr,
issuer,
Instant.now(),
Instant.now().plus(1, ChronoUnit.DAYS),
caKeypair.getPrivate(),
signatureAlgorithm,
BigInteger.valueOf(1))
.addSubjectAlternativeName("subject1.alt")
.addSubjectAlternativeName("subject2.alt")
.build();
assertEquals(subject, cert.getSubjectX500Principal());
}
}
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