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Code Issues Releases Wiki Activity

Add test to verify correct behavior dealing with non-utf8 userID

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This commit is contained in:
Paul Schaub 2023-07-04 14:45:27 +02:00
parent 7d0dc5e40d
commit 163eea94f1
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 74 additions and 1 deletions
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75
pgpainless-core/src/test/java/org/pgpainless/key/WeirdKeys.java
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@ -4,10 +4,32 @@
package org.pgpainless.key;
import java.io.IOException;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.util.Collections;
import org.bouncycastle.bcpg.HashAlgorithmTags;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPrivateKey;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureGenerator;
import org.bouncycastle.util.Strings;
import org.junit.jupiter.api.Test;
import org.pgpainless.PGPainless;
import org.pgpainless.algorithm.SignatureType;
import org.pgpainless.implementation.ImplementationFactory;
import org.pgpainless.key.info.KeyRingInfo;
import org.pgpainless.key.protection.UnlockSecretKey;
import org.pgpainless.util.Passphrase;
/**
* This class contains a set of slightly out of spec or weird keys.
@ -79,4 +101,55 @@ public class WeirdKeys {
public static PGPSecretKeyRing getArchiveCommsSubkeysKey() throws IOException {
return PGPainless.readKeyRing().secretKeyRing(ARCHIVE_COMMS_SUBKEYS);
}
@Test
public void generateCertAndTestWithNonUTF8UserId()
throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IOException {
PGPSecretKeyRing nakedKey = PGPainless.generateKeyRing().modernKeyRing(null);
PGPPublicKey pubKey = nakedKey.getPublicKey();
PGPSecretKey secKey = nakedKey.getSecretKey();
PGPPrivateKey privKey = UnlockSecretKey.unlockSecretKey(secKey, Passphrase.emptyPassphrase());
// Non-UTF8 User-ID
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
for (int i = 0xc0; i <= 0xdf; i++) {
bOut.write(i);
bOut.write(" ".getBytes());
}
byte[] idBytes = bOut.toByteArray();
// Check that this is in fact not a valid UTF8 String
assertThrows(IllegalArgumentException.class, () -> Strings.fromUTF8ByteArray(idBytes));
PGPSignatureGenerator sigGen = new PGPSignatureGenerator(
ImplementationFactory.getInstance().getPGPContentSignerBuilder(
pubKey.getAlgorithm(),
HashAlgorithmTags.SHA512));
sigGen.init(SignatureType.GENERIC_CERTIFICATION.getCode(), privKey);
// We have to manually generate the signature over the user-ID
// updateWithKey()
byte[] keyBytes = pubKey.getPublicKeyPacket().getEncodedContents();
sigGen.update((byte) 0x99);
sigGen.update((byte) (keyBytes.length >> 8));
sigGen.update((byte) (keyBytes.length));
sigGen.update(keyBytes);
// Update with ID data
sigGen.update((byte) 0xb4);
sigGen.update((byte) (idBytes.length >> 24));
sigGen.update((byte) (idBytes.length >> 16));
sigGen.update((byte) (idBytes.length >> 8));
sigGen.update((byte) (idBytes.length));
sigGen.update(idBytes);
PGPSignature signature = sigGen.generate();
pubKey = PGPPublicKey.addCertification(pubKey, idBytes, signature);
PGPPublicKeyRing cert = new PGPPublicKeyRing(Collections.singletonList(pubKey));
// This might fail
KeyRingInfo info = PGPainless.inspectKeyRing(cert);
assertTrue(info.getUserIds().isEmpty()); // Malformed ID is ignored
}
}