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Code Issues Releases Wiki Activity

Add investigation test for cleartext signature verification

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This commit is contained in:
Paul Schaub 2021-08-23 14:23:34 +02:00
parent 200e00990b
commit 3573115a60
1 changed files with 53 additions and 48 deletions
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101
pgpainless-core/src/test/java/org/pgpainless/decryption_verification/CleartextSignatureVerificationTest.java
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@ -26,12 +26,16 @@ import java.io.IOException;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import org.bouncycastle.openpgp.PGPException; import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing; import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSignature; import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.util.io.Streams; import org.bouncycastle.util.io.Streams;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import org.pgpainless.PGPainless; import org.pgpainless.PGPainless;
import org.pgpainless.key.TestKeys; import org.pgpainless.key.TestKeys;
import org.pgpainless.signature.CertificateValidator;
import org.pgpainless.signature.SignatureUtils;
import org.pgpainless.signature.cleartext_signatures.ClearsignedMessageUtil;
import org.pgpainless.signature.cleartext_signatures.CleartextSignatureProcessor; import org.pgpainless.signature.cleartext_signatures.CleartextSignatureProcessor;
import org.pgpainless.signature.cleartext_signatures.InMemoryMultiPassStrategy; import org.pgpainless.signature.cleartext_signatures.InMemoryMultiPassStrategy;
import org.pgpainless.signature.cleartext_signatures.MultiPassStrategy; import org.pgpainless.signature.cleartext_signatures.MultiPassStrategy;
@ -39,75 +43,61 @@ import org.pgpainless.util.TestUtils;
public class CleartextSignatureVerificationTest { public class CleartextSignatureVerificationTest {
public static final String MESSAGE_BODY = "Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n";
public static final String MESSAGE_SIGNED = "-----BEGIN PGP SIGNED MESSAGE-----\n" +
"Hash: SHA512\n" +
"\n" +
"Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n" +
"-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"iHUEARMKAB0WIQRPZlxNwsRmC8ZCXkFXNuaTGs83DAUCYJ/x5gAKCRBXNuaTGs83\n" +
"DFRwAP9/4wMvV3WcX59Clo7mkRce6iwW3VBdiN+yMu3tjmHB2wD/RfE28Q1v4+eo\n" +
"ySNgbyvqYYsNr0fnBwaG3aaj+u5ExiE=\n" +
"=Z2SO\n" +
"-----END PGP SIGNATURE-----";
public static final String SIGNATURE = "-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"iHUEARMKAB0WIQRPZlxNwsRmC8ZCXkFXNuaTGs83DAUCYJ/x5gAKCRBXNuaTGs83\n" +
"DFRwAP9/4wMvV3WcX59Clo7mkRce6iwW3VBdiN+yMu3tjmHB2wD/RfE28Q1v4+eo\n" +
"ySNgbyvqYYsNr0fnBwaG3aaj+u5ExiE=\n" +
"=Z2SO\n" +
"-----END PGP SIGNATURE-----";
@Test @Test
public void cleartextSignVerification_InMemoryMultiPassStrategy() throws IOException, PGPException { public void cleartextSignVerification_InMemoryMultiPassStrategy() throws IOException, PGPException {
String message = "Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n";
String signed = "-----BEGIN PGP SIGNED MESSAGE-----\n" +
"Hash: SHA512\n" +
"\n" +
"Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n" +
"-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"iHUEARMKAB0WIQRPZlxNwsRmC8ZCXkFXNuaTGs83DAUCYJ/x5gAKCRBXNuaTGs83\n" +
"DFRwAP9/4wMvV3WcX59Clo7mkRce6iwW3VBdiN+yMu3tjmHB2wD/RfE28Q1v4+eo\n" +
"ySNgbyvqYYsNr0fnBwaG3aaj+u5ExiE=\n" +
"=Z2SO\n" +
"-----END PGP SIGNATURE-----";
PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing(); PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing();
InMemoryMultiPassStrategy multiPassStrategy = MultiPassStrategy.keepMessageInMemory(); InMemoryMultiPassStrategy multiPassStrategy = MultiPassStrategy.keepMessageInMemory();
CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage() CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage()
.onInputStream(new ByteArrayInputStream(signed.getBytes(StandardCharsets.UTF_8))) .onInputStream(new ByteArrayInputStream(MESSAGE_SIGNED.getBytes(StandardCharsets.UTF_8)))
.withStrategy(multiPassStrategy) .withStrategy(multiPassStrategy)
.verifyWith(signingKeys); .verifyWith(signingKeys);
PGPSignature signature = processor.process(); PGPSignature signature = processor.process();
assertEquals(signature.getKeyID(), signingKeys.getPublicKey().getKeyID()); assertEquals(signature.getKeyID(), signingKeys.getPublicKey().getKeyID());
assertArrayEquals(message.getBytes(StandardCharsets.UTF_8), multiPassStrategy.getBytes()); assertArrayEquals(MESSAGE_BODY.getBytes(StandardCharsets.UTF_8), multiPassStrategy.getBytes());
} }
@Test @Test
public void cleartextSignVerification_FileBasedMultiPassStrategy() throws IOException, PGPException { public void cleartextSignVerification_FileBasedMultiPassStrategy() throws IOException, PGPException {
String message = "Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n";
String signed = "-----BEGIN PGP SIGNED MESSAGE-----\n" +
"Hash: SHA512\n" +
"\n" +
"Ah, Juliet, if the measure of thy joy\n" +
"Be heaped like mine, and that thy skill be more\n" +
"To blazon it, then sweeten with thy breath\n" +
"This neighbor air, and let rich music’s tongue\n" +
"Unfold the imagined happiness that both\n" +
"Receive in either by this dear encounter.\n" +
"-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"iHUEARMKAB0WIQRPZlxNwsRmC8ZCXkFXNuaTGs83DAUCYJ/x5gAKCRBXNuaTGs83\n" +
"DFRwAP9/4wMvV3WcX59Clo7mkRce6iwW3VBdiN+yMu3tjmHB2wD/RfE28Q1v4+eo\n" +
"ySNgbyvqYYsNr0fnBwaG3aaj+u5ExiE=\n" +
"=Z2SO\n" +
"-----END PGP SIGNATURE-----";
PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing(); PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing();
File tempDir = TestUtils.createTempDirectory(); File tempDir = TestUtils.createTempDirectory();
File file = new File(tempDir, "file"); File file = new File(tempDir, "file");
MultiPassStrategy multiPassStrategy = MultiPassStrategy.writeMessageToFile(file); MultiPassStrategy multiPassStrategy = MultiPassStrategy.writeMessageToFile(file);
CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage() CleartextSignatureProcessor processor = PGPainless.verifyCleartextSignedMessage()
.onInputStream(new ByteArrayInputStream(signed.getBytes(StandardCharsets.UTF_8))) .onInputStream(new ByteArrayInputStream(MESSAGE_SIGNED.getBytes(StandardCharsets.UTF_8)))
.withStrategy(multiPassStrategy) .withStrategy(multiPassStrategy)
.verifyWith(signingKeys); .verifyWith(signingKeys);
@ -118,6 +108,21 @@ public class CleartextSignatureVerificationTest {
ByteArrayOutputStream bytes = new ByteArrayOutputStream(); ByteArrayOutputStream bytes = new ByteArrayOutputStream();
Streams.pipeAll(fileIn, bytes); Streams.pipeAll(fileIn, bytes);
fileIn.close(); fileIn.close();
assertArrayEquals(message.getBytes(StandardCharsets.UTF_8), bytes.toByteArray()); assertArrayEquals(MESSAGE_BODY.getBytes(StandardCharsets.UTF_8), bytes.toByteArray());
}
@Test
public void verifySignatureDetached() throws IOException, PGPException {
PGPPublicKeyRing signingKeys = TestKeys.getEmilPublicKeyRing();
PGPSignature signature = SignatureUtils.readSignatures(SIGNATURE).get(0);
PGPPublicKey signingKey = signingKeys.getPublicKey(signature.getKeyID());
/*
SignatureVerifier.initializeSignatureAndUpdateWithSignedData(signature, new ByteArrayInputStream(MESSAGE_BODY.getBytes(StandardCharsets.UTF_8)), signingKey);
/*/
ClearsignedMessageUtil.initializeSignature(signature, signingKey, new ByteArrayInputStream(MESSAGE_BODY.getBytes(StandardCharsets.UTF_8)));
//*/
CertificateValidator.validateCertificateAndVerifyInitializedSignature(signature, signingKeys, PGPainless.getPolicy());
} }
} }