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Test encryptionMechanismOverride for symmetric and asymmetric encryption

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This commit is contained in:
Paul Schaub 2025-05-06 16:53:44 +02:00
parent f7dd72dd79
commit 76efbf2e45
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 91 additions and 0 deletions
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91
pgpainless-core/src/test/java/org/pgpainless/encryption_signing/EncryptDecryptTest.java
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@ -15,18 +15,25 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Set;
import org.bouncycastle.bcpg.ArmoredOutputStream;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.api.MessageEncryptionMechanism;
import org.bouncycastle.openpgp.api.OpenPGPCertificate;
import org.bouncycastle.openpgp.api.OpenPGPKey;
import org.bouncycastle.util.io.Streams;
import org.junit.jupiter.api.TestTemplate;
import org.junit.jupiter.api.extension.ExtendWith;
import org.pgpainless.PGPainless;
import org.pgpainless.algorithm.AEADAlgorithm;
import org.pgpainless.algorithm.AlgorithmSuite;
import org.pgpainless.algorithm.DocumentSignatureType;
import org.pgpainless.algorithm.Feature;
import org.pgpainless.algorithm.KeyFlag;
import org.pgpainless.algorithm.OpenPGPKeyVersion;
import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
import org.pgpainless.decryption_verification.ConsumerOptions;
import org.pgpainless.decryption_verification.DecryptionStream;
@ -34,10 +41,15 @@ import org.pgpainless.decryption_verification.MessageMetadata;
import org.pgpainless.exception.KeyException;
import org.pgpainless.key.SubkeyIdentifier;
import org.pgpainless.key.TestKeys;
import org.pgpainless.key.generation.KeySpec;
import org.pgpainless.key.generation.type.KeyType;
import org.pgpainless.key.generation.type.eddsa_legacy.EdDSALegacyCurve;
import org.pgpainless.key.generation.type.rsa.RsaLength;
import org.pgpainless.key.generation.type.xdh_legacy.XDHLegacySpec;
import org.pgpainless.key.protection.SecretKeyRingProtector;
import org.pgpainless.key.protection.UnprotectedKeysProtector;
import org.pgpainless.util.ArmoredOutputStreamFactory;
import org.pgpainless.util.Passphrase;
import org.pgpainless.util.TestAllImplementations;
public class EncryptDecryptTest {
@ -307,4 +319,83 @@ public class EncryptDecryptTest {
.addRecipient(publicKeys));
}
@TestTemplate
@ExtendWith(TestAllImplementations.class)
public void testAsymmetricEncryptionWithMechanismOverride() throws PGPException, IOException {
PGPainless api = PGPainless.getInstance();
OpenPGPKey keyWithoutSEIPD2Feature = api.buildKey(OpenPGPKeyVersion.v4)
.withPreferences(AlgorithmSuite.emptyBuilder()
.overrideFeatures(Feature.MODIFICATION_DETECTION)
.overrideSymmetricKeyAlgorithms(SymmetricKeyAlgorithm.AES_128)
.build())
.setPrimaryKey(KeySpec.getBuilder(KeyType.EDDSA_LEGACY(EdDSALegacyCurve._Ed25519), KeyFlag.SIGN_DATA, KeyFlag.CERTIFY_OTHER))
.addSubkey(KeySpec.getBuilder(KeyType.XDH_LEGACY(XDHLegacySpec._X25519), KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS))
.build();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
EncryptionStream eOut = api.generateMessage()
.onOutputStream(bOut)
.withOptions(ProducerOptions.encrypt(
EncryptionOptions.encryptCommunications()
.overrideEncryptionMechanism(MessageEncryptionMechanism.aead(SymmetricKeyAlgorithm.AES_192.getAlgorithmId(), AEADAlgorithm.OCB.getAlgorithmId()))
.addRecipient(keyWithoutSEIPD2Feature.toCertificate())));
eOut.write(testMessage.getBytes(StandardCharsets.UTF_8));
eOut.close();
EncryptionResult result = eOut.getResult();
assertEquals(MessageEncryptionMechanism.aead(
SymmetricKeyAlgorithm.AES_192.getAlgorithmId(), AEADAlgorithm.OCB.getAlgorithmId()),
result.getEncryptionMechanism());
ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray());
DecryptionStream decIn = PGPainless.decryptAndOrVerify()
.onInputStream(bIn)
.withOptions(ConsumerOptions.get()
.addDecryptionKey(keyWithoutSEIPD2Feature));
Streams.drain(decIn);
decIn.close();
MessageMetadata metadata = decIn.getMetadata();
assertEquals(MessageEncryptionMechanism.aead(SymmetricKeyAlgorithm.AES_192.getAlgorithmId(), AEADAlgorithm.OCB.getAlgorithmId()),
metadata.getEncryptionMechanism());
}
@TestTemplate
@ExtendWith(TestAllImplementations.class)
public void testSymmetricEncryptionWithMechanismOverride() throws PGPException, IOException {
PGPainless api = PGPainless.getInstance();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
EncryptionStream eOut = api.generateMessage().onOutputStream(bOut)
.withOptions(
ProducerOptions.encrypt(EncryptionOptions.encryptCommunications()
.overrideEncryptionMechanism(
MessageEncryptionMechanism.aead(
SymmetricKeyAlgorithm.AES_192.getAlgorithmId(),
AEADAlgorithm.OCB.getAlgorithmId()
))
.addMessagePassphrase(Passphrase.fromPassword("sw0rdf1sh"))
));
eOut.write(testMessage.getBytes(StandardCharsets.UTF_8));
eOut.close();
EncryptionResult result = eOut.getResult();
assertEquals(MessageEncryptionMechanism.aead(
SymmetricKeyAlgorithm.AES_192.getAlgorithmId(), AEADAlgorithm.OCB.getAlgorithmId()),
result.getEncryptionMechanism());
ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray());
DecryptionStream decIn = PGPainless.decryptAndOrVerify()
.onInputStream(bIn)
.withOptions(ConsumerOptions.get()
.addMessagePassphrase(Passphrase.fromPassword("sw0rdf1sh")));
Streams.drain(decIn);
decIn.close();
MessageMetadata metadata = decIn.getMetadata();
assertEquals(MessageEncryptionMechanism.aead(SymmetricKeyAlgorithm.AES_192.getAlgorithmId(), AEADAlgorithm.OCB.getAlgorithmId()),
metadata.getEncryptionMechanism());
}
}