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/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.
*/
package com.android.internal.net.ipsec.ike.message;
import static org.junit.Assert.fail;
import com.android.internal.net.ipsec.ike.exceptions.AuthenticationFailedException;
import com.android.internal.net.ipsec.ike.testutils.CertUtils;
import org.junit.Before;
import org.junit.Test;
import java.security.cert.TrustAnchor;
import java.security.cert.X509Certificate;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
public final class IkeCertPayloadTest {
private X509Certificate mEndCertA;
private X509Certificate mEndCertB;
private X509Certificate mEndCertSmall;
private X509Certificate mIntermediateCertBOne;
private X509Certificate mIntermediateCertBTwo;
private TrustAnchor mTrustAnchorA;
private TrustAnchor mTrustAnchorB;
private TrustAnchor mTrustAnchorSmall;
@Before
public void setUp() throws Exception {
mEndCertA = CertUtils.createCertFromPemFile("end-cert-a.pem");
mTrustAnchorA =
new TrustAnchor(
CertUtils.createCertFromPemFile("self-signed-ca-a.pem"),
null /*nameConstraints*/);
mEndCertB = CertUtils.createCertFromPemFile("end-cert-b.pem");
mIntermediateCertBOne = CertUtils.createCertFromPemFile("intermediate-ca-b-one.pem");
mIntermediateCertBTwo = CertUtils.createCertFromPemFile("intermediate-ca-b-two.pem");
mTrustAnchorB =
new TrustAnchor(
CertUtils.createCertFromPemFile("self-signed-ca-b.pem"),
null /*nameConstraints*/);
mEndCertSmall = CertUtils.createCertFromPemFile("end-cert-small.pem");
mTrustAnchorSmall =
new TrustAnchor(
CertUtils.createCertFromPemFile("self-signed-ca-small.pem"),
null /*nameConstraints*/);
}
@Test
public void testValidateCertsNoIntermediateCerts() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertA);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorA);
IkeCertPayload.validateCertificates(mEndCertA, certList, null /*crlList*/, trustAnchors);
}
@Test
public void testValidateCertsWithIntermediateCerts() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertB);
certList.add(mIntermediateCertBTwo);
certList.add(mIntermediateCertBOne);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorB);
IkeCertPayload.validateCertificates(mEndCertB, certList, null /*crlList*/, trustAnchors);
}
@Test
public void testValidateCertsWithMultiTrustAnchors() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertA);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorA);
trustAnchors.add(mTrustAnchorB);
IkeCertPayload.validateCertificates(mEndCertA, certList, null /*crlList*/, trustAnchors);
}
@Test
public void testValidateCertsWithWrongTrustAnchor() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertA);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorB);
try {
IkeCertPayload.validateCertificates(
mEndCertA, certList, null /*crlList*/, trustAnchors);
fail("Expected to fail due to absence of valid trust anchor.");
} catch (AuthenticationFailedException expected) {
}
}
@Test
public void testValidateCertsWithMissingIntermediateCerts() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertB);
certList.add(mIntermediateCertBOne);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorB);
try {
IkeCertPayload.validateCertificates(
mEndCertA, certList, null /*crlList*/, trustAnchors);
fail("Expected to fail due to absence of intermediate certificate.");
} catch (AuthenticationFailedException expected) {
}
}
@Test
public void testValidateCertsWithSmallSizeKey() throws Exception {
List<X509Certificate> certList = new LinkedList<>();
certList.add(mEndCertSmall);
Set<TrustAnchor> trustAnchors = new HashSet<>();
trustAnchors.add(mTrustAnchorSmall);
try {
IkeCertPayload.validateCertificates(
mEndCertSmall, certList, null /*crlList*/, trustAnchors);
fail("Expected to fail because certificates use small size key");
} catch (AuthenticationFailedException expected) {
}
}
}
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