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Add tests for v6<->v4 certificate certification
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1 changed files with 244 additions and 6 deletions
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@ -1,18 +1,23 @@
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// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
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// SPDX-FileCopyrightText: 2025 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.key.certification;
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import org.bouncycastle.bcpg.SignaturePacket;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPSignature;
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import org.bouncycastle.openpgp.PGPSignatureException;
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import org.bouncycastle.openpgp.api.OpenPGPCertificate;
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import org.bouncycastle.openpgp.api.OpenPGPKey;
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import org.bouncycastle.openpgp.api.OpenPGPSignature;
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import org.junit.jupiter.api.Test;
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import org.pgpainless.PGPainless;
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import org.pgpainless.algorithm.CertificationType;
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import org.pgpainless.algorithm.OpenPGPKeyVersion;
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import org.pgpainless.key.protection.SecretKeyRingProtector;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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@ -21,6 +26,7 @@ public class CertifyV6CertificateTest {
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@Test
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public void testCertifyV6UIDWithV6Key() throws PGPException {
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// Alice (6) certifies Bob (6)
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v6)
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@ -32,16 +38,19 @@ public class CertifyV6CertificateTest {
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// Create a certification on Bobs certificate
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OpenPGPCertificate bobCertified = api.generateCertification()
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.certifyUserId("Bob <bob@pgpainless.org>", bobCert)
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.certifyUserId("Bob <bob@pgpainless.org>", bobCert, CertificationType.POSITIVE)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// Check that there is a valid certification chain from Alice to Bobs UID
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OpenPGPCertificate.OpenPGPSignatureChain signatureChain =
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OpenPGPCertificate.OpenPGPSignatureChain certification =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getCertificationBy(aliceKey.toCertificate());
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assertNotNull(signatureChain);
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assertTrue(signatureChain.isValid());
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assertNotNull(certification);
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assertTrue(certification.isValid());
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OpenPGPSignature certificationSignature = certification.getSignature();
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assertEquals(SignaturePacket.VERSION_6, certificationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.POSITIVE_CERTIFICATION, certificationSignature.getSignature().getSignatureType());
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// Revoke Alice' key and...
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@ -55,11 +64,15 @@ public class CertifyV6CertificateTest {
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.getCertificationBy(aliceRevoked.toCertificate());
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assertNull(missingChain);
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// ...but DO have a revocation chain
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OpenPGPCertificate.OpenPGPSignatureChain revokedChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getRevocationBy(aliceRevoked);
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assertNotNull(revokedChain);
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assertTrue(revokedChain.isValid());
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OpenPGPSignature revocationSignature = revokedChain.getRevocation();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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// Instead, revoke the certification itself and...
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@ -74,10 +87,14 @@ public class CertifyV6CertificateTest {
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.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(brokenChain);
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assertTrue(brokenChain.isValid());
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revocationSignature = brokenChain.getSignature();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.CERTIFICATION_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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@Test
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public void testCertifyV6CertificateWithV6Key() throws PGPSignatureException {
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public void testDelegateV6CertWithV6Key() throws PGPSignatureException {
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// Alice (6) delegates Bob (6)
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v6)
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@ -96,6 +113,9 @@ public class CertifyV6CertificateTest {
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OpenPGPCertificate.OpenPGPSignatureChain delegation = bobDelegated.getDelegationBy(aliceKey.toCertificate());
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assertNotNull(delegation);
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assertTrue(delegation.isValid());
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OpenPGPSignature delegationSignature = delegation.getSignature();
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assertEquals(SignaturePacket.VERSION_6, delegationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.DIRECT_KEY, delegationSignature.getSignature().getSignatureType());
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// Alice revokes the delegation
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OpenPGPCertificate bobRevoked = api.generateCertification()
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@ -106,5 +126,223 @@ public class CertifyV6CertificateTest {
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OpenPGPCertificate.OpenPGPSignatureChain revocation = bobRevoked.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(revocation);
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assertTrue(revocation.isValid());
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OpenPGPSignature revocationSignature = revocation.getSignature();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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@Test
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public void testCertifyV4UIDWithV6Key() throws PGPException {
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// Alice (6) certifies Bob (4)
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v6)
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.modernKeyRing("Alice <alice@pgpainless.org>");
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OpenPGPKey bobKey = api.generateKey(OpenPGPKeyVersion.v4)
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.modernKeyRing("Bob <bob@pgpainless.org>");
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OpenPGPCertificate bobCert = bobKey.toCertificate();
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// Create a certification on Bobs certificate
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// Alice => "Bob" (Bob)
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OpenPGPCertificate bobCertified = api.generateCertification()
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.certifyUserId("Bob <bob@pgpainless.org>", bobCert, CertificationType.CASUAL)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// Check that there is a valid certification chain from Alice to Bobs UID
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OpenPGPCertificate.OpenPGPSignatureChain signatureChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getCertificationBy(aliceKey.toCertificate());
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assertNotNull(signatureChain);
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assertTrue(signatureChain.isValid());
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OpenPGPSignature certificationSignature = signatureChain.getSignature();
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assertEquals(SignaturePacket.VERSION_6, certificationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.CASUAL_CERTIFICATION, certificationSignature.getSignature().getSignatureType());
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// Revoke Alice' key and...
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OpenPGPKey aliceRevoked = api.modify(aliceKey)
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.revoke(SecretKeyRingProtector.unprotectedKeys())
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.done();
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// ...verify we no longer have a valid certification chain
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OpenPGPCertificate.OpenPGPSignatureChain missingChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getCertificationBy(aliceRevoked.toCertificate());
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assertNull(missingChain);
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// ...but DO have a revocation chain
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OpenPGPCertificate.OpenPGPSignatureChain revokedChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getRevocationBy(aliceRevoked);
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assertNotNull(revokedChain);
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assertTrue(revokedChain.isValid());
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OpenPGPSignature revocationSignature = revokedChain.getRevocation();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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// Instead, revoke the certification itself and...
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bobCertified = api.generateCertification()
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.revokeCertifiedUserId("Bob <bob@pgpainless.org>", bobCertified)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// ...verify we now have a valid certification chain
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OpenPGPCertificate.OpenPGPSignatureChain brokenChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(brokenChain);
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assertTrue(brokenChain.isValid());
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revocationSignature = brokenChain.getSignature();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.CERTIFICATION_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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@Test
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public void testDelegateV4CertWithV6Key() throws PGPSignatureException {
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v6)
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.modernKeyRing("Alice <alice@pgpainless.org>");
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OpenPGPKey bobKey = api.generateKey(OpenPGPKeyVersion.v6)
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.modernKeyRing("Bob <bob@pgpainless.org>");
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OpenPGPCertificate bobCert = bobKey.toCertificate();
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// Alice delegates trust to Bob
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OpenPGPCertificate bobDelegated = api.generateCertification()
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.delegateTrust(bobCert)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// Check that Bob is actually delegated to by Alice
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OpenPGPCertificate.OpenPGPSignatureChain delegation = bobDelegated.getDelegationBy(aliceKey.toCertificate());
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assertNotNull(delegation);
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assertTrue(delegation.isValid());
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OpenPGPSignature delegationSignature = delegation.getSignature();
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assertEquals(SignaturePacket.VERSION_6, delegationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.DIRECT_KEY, delegationSignature.getSignature().getSignatureType());
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// Alice revokes the delegation
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OpenPGPCertificate bobRevoked = api.generateCertification()
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.revokeDelegatedTrust(bobDelegated)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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OpenPGPCertificate.OpenPGPSignatureChain revocation = bobRevoked.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(revocation);
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assertTrue(revocation.isValid());
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OpenPGPSignature revocationSignature = revocation.getSignature();
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assertEquals(SignaturePacket.VERSION_6, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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@Test
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public void testCertifyV6UIDWithV4Key() throws PGPException {
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// Alice (4) certifies Bob (6)
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v4)
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.modernKeyRing("Alice <alice@pgpainless.org>");
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OpenPGPKey bobKey = api.generateKey(OpenPGPKeyVersion.v6)
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.modernKeyRing("Bob <bob@pgpainless.org>");
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OpenPGPCertificate bobCert = bobKey.toCertificate();
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// Create a certification on Bobs certificate
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// Alice => "Bob" (Bob)
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OpenPGPCertificate bobCertified = api.generateCertification()
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.certifyUserId("Bob <bob@pgpainless.org>", bobCert, CertificationType.CASUAL)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// Check that there is a valid certification chain from Alice to Bobs UID
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OpenPGPCertificate.OpenPGPSignatureChain signatureChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getCertificationBy(aliceKey.toCertificate());
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assertNotNull(signatureChain);
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assertTrue(signatureChain.isValid());
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OpenPGPSignature certificationSignature = signatureChain.getSignature();
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assertEquals(SignaturePacket.VERSION_4, certificationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.CASUAL_CERTIFICATION, certificationSignature.getSignature().getSignatureType());
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// Revoke Alice' key and...
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OpenPGPKey aliceRevoked = api.modify(aliceKey)
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.revoke(SecretKeyRingProtector.unprotectedKeys())
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.done();
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// ...verify we no longer have a valid certification chain
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OpenPGPCertificate.OpenPGPSignatureChain missingChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getCertificationBy(aliceRevoked.toCertificate());
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assertNull(missingChain);
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// ...but DO have a revocation chain
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OpenPGPCertificate.OpenPGPSignatureChain revokedChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getRevocationBy(aliceRevoked);
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assertNotNull(revokedChain);
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assertTrue(revokedChain.isValid());
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OpenPGPSignature revocationSignature = revokedChain.getRevocation();
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assertEquals(SignaturePacket.VERSION_4, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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// Instead, revoke the certification itself and...
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bobCertified = api.generateCertification()
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.revokeCertifiedUserId("Bob <bob@pgpainless.org>", bobCertified)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// ...verify we now have a valid certification chain
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OpenPGPCertificate.OpenPGPSignatureChain brokenChain =
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bobCertified.getUserId("Bob <bob@pgpainless.org>")
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.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(brokenChain);
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assertTrue(brokenChain.isValid());
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revocationSignature = brokenChain.getSignature();
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assertEquals(SignaturePacket.VERSION_4, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.CERTIFICATION_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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@Test
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public void testDelegateV6CertWithV4Key() throws PGPSignatureException {
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// Alice (4) delegates Bob (6)
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PGPainless api = PGPainless.getInstance();
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OpenPGPKey aliceKey = api.generateKey(OpenPGPKeyVersion.v4)
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.modernKeyRing("Alice <alice@pgpainless.org>");
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OpenPGPKey bobKey = api.generateKey(OpenPGPKeyVersion.v6)
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.modernKeyRing("Bob <bob@pgpainless.org>");
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OpenPGPCertificate bobCert = bobKey.toCertificate();
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// Alice delegates trust to Bob
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OpenPGPCertificate bobDelegated = api.generateCertification()
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.delegateTrust(bobCert)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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// Check that Bob is actually delegated to by Alice
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OpenPGPCertificate.OpenPGPSignatureChain delegation = bobDelegated.getDelegationBy(aliceKey.toCertificate());
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assertNotNull(delegation);
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assertTrue(delegation.isValid());
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OpenPGPSignature delegationSignature = delegation.getSignature();
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assertEquals(SignaturePacket.VERSION_4, delegationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.DIRECT_KEY, delegationSignature.getSignature().getSignatureType());
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// Alice revokes the delegation
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OpenPGPCertificate bobRevoked = api.generateCertification()
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.revokeDelegatedTrust(bobDelegated)
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.withKey(aliceKey, SecretKeyRingProtector.unprotectedKeys())
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.build().getCertifiedCertificate();
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OpenPGPCertificate.OpenPGPSignatureChain revocation = bobRevoked.getRevocationBy(aliceKey.toCertificate());
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assertNotNull(revocation);
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assertTrue(revocation.isValid());
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OpenPGPSignature revocationSignature = revocation.getSignature();
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assertEquals(SignaturePacket.VERSION_4, revocationSignature.getSignature().getVersion());
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assertEquals(PGPSignature.KEY_REVOCATION, revocationSignature.getSignature().getSignatureType());
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}
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}
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