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This commit is contained in:
Paul Schaub 2018-05-28 00:58:13 +02:00
parent 365a4d20d0
commit 2b7738cc9c
34 changed files with 1635 additions and 802 deletions
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136
smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/BCOpenPgpProvider.java Normal file
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@ -0,0 +1,136 @@
package org.jivesoftware.smackx.ox.bouncycastle;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Set;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smackx.ox.OpenPgpMessage;
import org.jivesoftware.smackx.ox.OpenPgpProvider;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jivesoftware.smackx.ox.callback.SecretKeyRestoreSelectionCallback;
import org.jivesoftware.smackx.ox.element.CryptElement;
import org.jivesoftware.smackx.ox.element.OpenPgpElement;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.element.SignElement;
import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.InvalidBackupCodeException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpPublicKeyException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.util.encoders.Hex;
import org.jxmpp.jid.BareJid;
public class BCOpenPgpProvider implements OpenPgpProvider {
private final BareJid user;
private OpenPgpV4Fingerprint primaryKeyPair;
public BCOpenPgpProvider(BareJid user) {
this.user = user;
this.primaryKeyPair = null;
}
@Override
public OpenPgpV4Fingerprint primaryOpenPgpKeyPairFingerprint() {
return primaryKeyPair;
}
@Override
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeyPairFingerprints() {
return null;
}
@Override
public Set<OpenPgpV4Fingerprint> announcedOpenPgpKeyFingerprints(BareJid contact) {
return null;
}
@Override
public OpenPgpElement signAndEncrypt(SigncryptElement element, OpenPgpV4Fingerprint signingKey, Set<OpenPgpV4Fingerprint> encryptionKeys)
throws MissingOpenPgpKeyPairException, MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpMessage decryptAndVerify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> sendersKeys)
throws MissingOpenPgpKeyPairException, MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpElement sign(SignElement element, OpenPgpV4Fingerprint singingKeyFingerprint)
throws MissingOpenPgpKeyPairException {
return null;
}
@Override
public OpenPgpMessage verify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> singingKeyFingerprints)
throws MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpElement encrypt(CryptElement element, Set<OpenPgpV4Fingerprint> encryptionKeyFingerprints)
throws MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpMessage decrypt(OpenPgpElement element) throws MissingOpenPgpKeyPairException {
return null;
}
@Override
public PubkeyElement createPubkeyElement(OpenPgpV4Fingerprint fingerprint)
throws MissingOpenPgpPublicKeyException, CorruptedOpenPgpKeyException {
return null;
}
@Override
public void storePublicKey(BareJid owner, OpenPgpV4Fingerprint fingerprint, PubkeyElement element)
throws CorruptedOpenPgpKeyException {
}
@Override
public void storePublicKeysList(XMPPConnection connection, PublicKeysListElement listElement, BareJid owner)
throws CorruptedOpenPgpKeyException, InterruptedException, SmackException.NotConnectedException,
SmackException.NoResponseException {
}
@Override
public SecretkeyElement createSecretkeyElement(Set<OpenPgpV4Fingerprint> fingerprints, String password)
throws MissingOpenPgpKeyPairException, CorruptedOpenPgpKeyException {
return null;
}
@Override
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeysFingerprints(BareJid contact) {
return null;
}
@Override
public void restoreSecretKeyBackup(SecretkeyElement secretkeyElement, String password, SecretKeyRestoreSelectionCallback callback)
throws CorruptedOpenPgpKeyException, InvalidBackupCodeException {
}
@Override
public OpenPgpV4Fingerprint createOpenPgpKeyPair()
throws NoSuchAlgorithmException, NoSuchProviderException {
return null;
}
public static OpenPgpV4Fingerprint getFingerprint(PGPPublicKey publicKey) {
byte[] hex = Hex.encode(publicKey.getFingerprint());
return new OpenPgpV4Fingerprint(hex);
}
}

42
smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/BouncyCastleIdentityStore.java
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@ -1,42 +0,0 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.bouncycastle;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
import org.jxmpp.jid.BareJid;
public interface BouncyCastleIdentityStore {
void storeActivePubkeyList(BareJid jid, PublicKeysListElement list) throws FileNotFoundException, IOException;
PublicKeysListElement loadActivePubkeyList(BareJid jid) throws FileNotFoundException, IOException;
void storePublicKeys(BareJid jid, PGPPublicKeyRingCollection keys);
PGPPublicKeyRingCollection loadPublicKeys(BareJid jid);
void storeSecretKeys(PGPSecretKeyRingCollection secretKeys);
PGPSecretKeyRingCollection loadSecretKeys();
}

317
smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/BouncyCastleOpenPgpProvider.java
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@ -16,22 +16,22 @@
*/
package org.jivesoftware.smackx.ox.bouncycastle;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.util.stringencoder.Base64;
import org.jivesoftware.smackx.ox.OpenPgpMessage;
import org.jivesoftware.smackx.ox.OpenPgpProvider;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jivesoftware.smackx.ox.Util;
import org.jivesoftware.smackx.ox.callback.SecretKeyRestoreSelectionCallback;
import org.jivesoftware.smackx.ox.element.CryptElement;
import org.jivesoftware.smackx.ox.element.OpenPgpElement;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
@ -40,49 +40,41 @@ import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.element.SignElement;
import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpPublicKeyException;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.BouncyGPG;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.algorithms.PGPHashAlgorithms;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.algorithms.PGPSymmetricEncryptionAlgorithms;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.algorithms.PublicKeySize;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.callbacks.KeyringConfigCallbacks;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.callbacks.XmppKeySelectionStrategy;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.InMemoryKeyring;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.KeyringConfig;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.KeyringConfigs;
import org.bouncycastle.bcpg.HashAlgorithmTags;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPKeyRingGenerator;
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.operator.PBESecretKeyEncryptor;
import org.bouncycastle.openpgp.operator.PGPDigestCalculator;
import org.bouncycastle.openpgp.operator.PGPDigestCalculatorProvider;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.io.Streams;
import org.jxmpp.jid.BareJid;
public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
private final BareJid ourJid;
private InMemoryKeyring ourKeys;
private Long ourKeyId;
private final Map<BareJid, InMemoryKeyring> theirKeys = new HashMap<>();
private static final Logger LOGGER = Logger.getLogger(BouncyCastleOpenPgpProvider.class.getName());
public BouncyCastleOpenPgpProvider(BareJid ourJid) throws IOException, PGPException, NoSuchAlgorithmException {
private final BareJid ourJid;
private OpenPgpV4Fingerprint primaryKeyPairFingerprint;
private InMemoryKeyring keyring;
private final Map<BareJid, Set<OpenPgpV4Fingerprint>> contactsFingerprints = new HashMap<>();
public BouncyCastleOpenPgpProvider(BareJid ourJid) {
this.ourJid = ourJid;
}
/**
* {@inheritDoc}
*/
@Override
public PubkeyElement createPubkeyElement() throws CorruptedOpenPgpKeyException {
public PubkeyElement createPubkeyElement(OpenPgpV4Fingerprint keyFingerprint)
throws MissingOpenPgpPublicKeyException, CorruptedOpenPgpKeyException {
// TODO: throw missing key exception
try {
PGPPublicKey pubKey = ourKeys.getPublicKeyRings().getPublicKey(ourKeyId);
PGPPublicKey pubKey = keyring.getPublicKeyRings().getPublicKey(Util.keyIdFromFingerprint(keyFingerprint));
PubkeyElement.PubkeyDataElement dataElement = new PubkeyElement.PubkeyDataElement(
Base64.encode(pubKey.getEncoded()));
return new PubkeyElement(dataElement, new Date());
@ -91,20 +83,29 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
}
}
/**
* {@inheritDoc}
*/
@Override
public SecretkeyElement createSecretkeyElement(String password) throws CorruptedOpenPgpKeyException {
public SecretkeyElement createSecretkeyElement(Set<OpenPgpV4Fingerprint> fingerprints, String password) throws MissingOpenPgpKeyPairException, CorruptedOpenPgpKeyException {
/*
try {
// Our unencrypted secret key
PGPSecretKey secretKey = ourKeys.getSecretKeyRings().getSecretKey(ourKeyId);
PGPSecretKey secretKey;
try {
secretKey = ourKeys.getSecretKeyRings().getSecretKey(ourKeyId);
} catch (NullPointerException e) {
throw new MissingOpenPgpKeyPairException(ourJid);
}
PGPDigestCalculator calculator = new JcaPGPDigestCalculatorProviderBuilder()
.setProvider(BouncyGPG.getProvider())
.setProvider(BouncyCastleProvider.PROVIDER_NAME)
.build()
.get(HashAlgorithmTags.SHA1);
PBESecretKeyEncryptor encryptor = new JcePBESecretKeyEncryptorBuilder(
PGPSymmetricEncryptionAlgorithms.AES_256.getAlgorithmId())
.setProvider(BouncyGPG.getProvider())
.setProvider(BouncyCastleProvider.PROVIDER_NAME)
.build(password.toCharArray());
PGPSecretKey encrypted = new PGPSecretKey(
@ -121,10 +122,16 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
}
*/
return null;
}
/**
* {@inheritDoc}
*/
@Override
public void processPubkeyElement(PubkeyElement element, BareJid owner) throws CorruptedOpenPgpKeyException {
public void storePublicKey(BareJid owner, OpenPgpV4Fingerprint fingerprint, PubkeyElement element) throws CorruptedOpenPgpKeyException {
/*
byte[] decoded = Base64.decode(element.getDataElement().getB64Data());
try {
@ -138,21 +145,49 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
} catch (IOException | PGPException e) {
throw new CorruptedOpenPgpKeyException(e);
}
*/
}
/**
* {@inheritDoc}
*/
@Override
public void processPublicKeysListElement(PublicKeysListElement listElement, BareJid owner) throws Exception {
public void storePublicKeysList(XMPPConnection connection, PublicKeysListElement listElement, BareJid owner) {
/*
InMemoryKeyring contactsKeys = theirKeys.get(owner);
for (OpenPgpV4Fingerprint fingerprint : listElement.getMetadata().keySet()) {
byte[] asBytes = fingerprint.toString().getBytes(Charset.forName("UTF-8"));
try {
if (contactsKeys.getPublicKeyRings().getPublicKey(asBytes) == null) {
try {
PubkeyElement pubkey = PubSubDelegate.fetchPubkey(connection, owner, fingerprint);
storePublicKey(pubkey, owner);
} catch (PubSubException.NotAPubSubNodeException | PubSubException.NotALeafNodeException |
XMPPException.XMPPErrorException e) {
LOGGER.log(Level.WARNING, "Could not fetch public key " + fingerprint + " of " + owner + ".", e);
} catch (CorruptedOpenPgpKeyException e) {
LOGGER.log(Level.WARNING, "Key " + fingerprint + " of " + owner + " is corrupted and cannot be imported.", e);
}
}
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
}
}
*/
}
/**
* {@inheritDoc}
*/
@Override
public void restoreSecretKeyElement(SecretkeyElement secretkeyElement, String password)
public void restoreSecretKeyBackup(SecretkeyElement secretkeyElement, String password, SecretKeyRestoreSelectionCallback callback)
throws CorruptedOpenPgpKeyException {
/*
byte[] encoded = Base64.decode(secretkeyElement.getB64Data());
try {
PGPDigestCalculatorProvider calculatorProvider = new JcaPGPDigestCalculatorProviderBuilder()
.setProvider(BouncyGPG.getProvider())
.setProvider(BouncyCastleProvider.PROVIDER_NAME)
.build();
InMemoryKeyring keyring = KeyringConfigs.forGpgExportedKeys(
@ -187,12 +222,48 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
}
*/
}
/**
* {@inheritDoc}
*/
@Override
public OpenPgpV4Fingerprint primaryOpenPgpKeyPairFingerprint() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeyPairFingerprints() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public Set<OpenPgpV4Fingerprint> announcedOpenPgpKeyFingerprints(BareJid contact) {
return null;
}
@Override
public OpenPgpElement signAndEncrypt(SigncryptElement element, Set<BareJid> recipients)
throws Exception {
if (recipients.isEmpty()) {
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeysFingerprints(BareJid contact) {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public OpenPgpElement signAndEncrypt(SigncryptElement element,
OpenPgpV4Fingerprint signingKey,
Set<OpenPgpV4Fingerprint> encryptionKeys)
throws MissingOpenPgpKeyPairException, MissingOpenPgpPublicKeyException {
/*
if (encryptionKeys.isEmpty()) {
throw new IllegalArgumentException("Set of recipients must not be empty");
}
@ -229,7 +300,7 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
.withKeySelectionStrategy(new XmppKeySelectionStrategy(new Date()))
.withOxAlgorithms()
.toRecipients(recipientUIDs)
.andSignWith("xmpp:" + ourJid.toString())
.andSignWith(ourKeyId)
.binaryOutput()
.andWriteTo(encryptedOut);
@ -239,36 +310,16 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
String base64 = Base64.encodeToString(encryptedOut.toByteArray());
return new OpenPgpElement(base64);
}
@Override
public OpenPgpElement sign(SignElement element) throws Exception {
throw new SmackException.FeatureNotSupportedException("Feature not implemented for now.");
/*
InMemoryKeyring signingConfig = KeyringConfigs.forGpgExportedKeys(KeyringConfigCallbacks.withUnprotectedKeys());
// Add our secret keys to signing config
for (PGPSecretKeyRing s : ourKeys.getSecretKeyRings()) {
signingConfig.addSecretKey(s.getSecretKey().getEncoded());
}
InputStream inputStream = element.toInputStream();
// TODO: Implement
*/
return null;
*/
}
/**
* {@inheritDoc}
*/
@Override
public OpenPgpMessage verify(OpenPgpElement element, BareJid sender) throws Exception {
// TODO: Implement
throw new SmackException.FeatureNotSupportedException("Feature not implemented for now.");
}
@Override
public OpenPgpMessage decrypt(OpenPgpElement element) throws Exception {
throw new SmackException.FeatureNotSupportedException("Feature not implemented for now.");
public OpenPgpMessage decryptAndVerify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> possibleSigningKeys)
throws MissingOpenPgpPublicKeyException, MissingOpenPgpKeyPairException {
/*
InMemoryKeyring decryptionConfig = KeyringConfigs.forGpgExportedKeys(KeyringConfigCallbacks.withUnprotectedKeys());
@ -277,83 +328,6 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
decryptionConfig.addSecretKey(s.getSecretKey().getEncoded());
}
ByteArrayInputStream encryptedIn = new ByteArrayInputStream(
element.getEncryptedBase64MessageContent().getBytes(Charset.forName("UTF-8")));
InputStream decrypted = BouncyGPG.decryptAndVerifyStream()
.withConfig(decryptionConfig)
.withKeySelectionStrategy(new XmppKeySelectionStrategy(new Date()))
.andIgnoreSignatures()
.fromEncryptedInputStream(encryptedIn);
ByteArrayOutputStream decryptedOut = new ByteArrayOutputStream();
Streams.pipeAll(decrypted, decryptedOut);
return new OpenPgpMessage(OpenPgpMessage.State.crypt, new String(decryptedOut.toByteArray(), Charset.forName("UTF-8")));
*/
}
@Override
public OpenPgpElement encrypt(CryptElement element, Set<BareJid> recipients) throws Exception {
throw new SmackException.FeatureNotSupportedException("Feature not implemented for now.");
/*
if (recipients.isEmpty()) {
throw new IllegalArgumentException("Set of recipients must not be empty");
}
InMemoryKeyring encryptionConfig = KeyringConfigs.forGpgExportedKeys(KeyringConfigCallbacks.withUnprotectedKeys());
// Add all recipients public keys to encryption config
for (BareJid recipient : recipients) {
KeyringConfig c = theirKeys.get(recipient);
for (PGPPublicKeyRing p : c.getPublicKeyRings()) {
encryptionConfig.addPublicKey(p.getPublicKey().getEncoded());
}
}
// Add our public keys to encryption config
for (PGPPublicKeyRing p : ourKeys.getPublicKeyRings()) {
encryptionConfig.addPublicKey(p.getPublicKey().getEncoded());
}
String[] recipientUIDs = new String[recipients.size() + 1];
int pos = 0;
for (BareJid b : recipients) {
recipientUIDs[pos++] = "xmpp:" + b.toString();
}
recipientUIDs[pos] = "xmpp:" + ourJid.toString();
InputStream inputStream = element.toInputStream();
ByteArrayOutputStream encryptedOut = new ByteArrayOutputStream();
OutputStream encryptor = BouncyGPG.encryptToStream()
.withConfig(encryptionConfig)
.withKeySelectionStrategy(new XmppKeySelectionStrategy(new Date()))
.withOxAlgorithms()
.toRecipients(recipientUIDs)
.andDoNotSign()
.binaryOutput()
.andWriteTo(encryptedOut);
Streams.pipeAll(inputStream, encryptor);
encryptor.close();
String base64 = Base64.encodeToString(encryptedOut.toByteArray());
return new OpenPgpElement(base64);
*/
}
@Override
public OpenPgpMessage decryptAndVerify(OpenPgpElement element, BareJid sender) throws Exception {
InMemoryKeyring decryptionConfig = KeyringConfigs.forGpgExportedKeys(KeyringConfigCallbacks.withUnprotectedKeys());
// Add our secret keys to decryption config
for (PGPSecretKeyRing s : ourKeys.getSecretKeyRings()) {
decryptionConfig.addSecretKey(s.getSecretKey().getEncoded());
}
// Add their public keys to decryption config
for (PGPPublicKeyRing p : theirKeys.get(sender).getPublicKeyRings()) {
decryptionConfig.addPublicKey(p.getPublicKey().getEncoded());
@ -374,33 +348,60 @@ public class BouncyCastleOpenPgpProvider implements OpenPgpProvider {
Streams.pipeAll(decrypted, decryptedOut);
return new OpenPgpMessage(OpenPgpMessage.State.signcrypt, new String(decryptedOut.toByteArray(), Charset.forName("UTF-8")));
*/
return null;
}
@Override
public String getFingerprint() throws CorruptedOpenPgpKeyException {
try {
return new String(Hex.encode(ourKeys.getKeyFingerPrintCalculator()
.calculateFingerprint(ourKeys.getPublicKeyRings().getPublicKey(ourKeyId)
.getPublicKeyPacket())), Charset.forName("UTF-8")).toUpperCase();
} catch (IOException | PGPException e) {
throw new CorruptedOpenPgpKeyException(e);
}
public OpenPgpElement sign(SignElement element, OpenPgpV4Fingerprint singingKeyFingerprint)
throws MissingOpenPgpKeyPairException {
return null;
}
@Override
public void createAndUseKey() throws CorruptedOpenPgpKeyException, NoSuchAlgorithmException {
public OpenPgpMessage verify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> singingKeyFingerprints)
throws MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpElement encrypt(CryptElement element, Set<OpenPgpV4Fingerprint> encryptionKeyFingerprints)
throws MissingOpenPgpPublicKeyException {
return null;
}
@Override
public OpenPgpMessage decrypt(OpenPgpElement element) throws MissingOpenPgpKeyPairException {
return null;
}
public static OpenPgpV4Fingerprint getFingerprint(PGPPublicKey publicKey) {
byte[] hex = Hex.encode(publicKey.getFingerprint());
return new OpenPgpV4Fingerprint(hex);
}
/**
* {@inheritDoc}
*/
@Override
public OpenPgpV4Fingerprint createOpenPgpKeyPair()
throws NoSuchAlgorithmException, NoSuchProviderException {
/*
try {
PGPSecretKeyRing ourKey = generateKey(ourJid).generateSecretKeyRing();
ourKeyId = ourKey.getPublicKey().getKeyID();
primaryKeyPairFingerprint = getFingerprint(ourKey.getPublicKey());
ourKeys = KeyringConfigs.forGpgExportedKeys(KeyringConfigCallbacks.withUnprotectedKeys());
ourKeys.addSecretKey(ourKey.getSecretKey().getEncoded());
ourKeys.addPublicKey(ourKey.getPublicKey().getEncoded());
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
}
*/
return null;
}
public static PGPKeyRingGenerator generateKey(BareJid owner) throws NoSuchAlgorithmException, PGPException {
public static PGPKeyRingGenerator generateKey(BareJid owner)
throws NoSuchAlgorithmException, PGPException, NoSuchProviderException {
PGPKeyRingGenerator generator = BouncyGPG.createKeyPair()
.withRSAKeys()
.ofSize(PublicKeySize.RSA._2048)

289
smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/FileBasedBcOpenPgpStore.java Normal file
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@ -0,0 +1,289 @@
package org.jivesoftware.smackx.ox.bouncycastle;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.util.stringencoder.Base64;
import org.jivesoftware.smackx.ox.OpenPgpStore;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jivesoftware.smackx.ox.Util;
import org.jivesoftware.smackx.ox.callback.SecretKeyRestoreSelectionCallback;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.InvalidBackupCodeException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpPublicKeyException;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.callbacks.KeyringConfigCallback;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.InMemoryKeyring;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.KeyringConfig;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.KeyringConfigs;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.jxmpp.jid.BareJid;
public class FileBasedBcOpenPgpStore implements OpenPgpStore {
private static final Logger LOGGER = Logger.getLogger(FileBasedBcOpenPgpStore.class.getName());
private final File basePath;
private final BareJid user;
private final InMemoryKeyring keyringConfig;
private final KeyringConfigCallback configCallback;
private OpenPgpV4Fingerprint primaryKeyFingerprint;
public FileBasedBcOpenPgpStore(File basePath, BareJid user, KeyringConfigCallback passwordCallback)
throws IOException, PGPException {
this.basePath = basePath;
this.user = user;
File pub = publicKeyringPath();
if (!pub.exists()) {
pub.getParentFile().mkdirs();
pub.createNewFile();
}
File sec = secretKeyringPath();
if (!sec.exists()) {
sec.createNewFile();
}
configCallback = passwordCallback;
keyringConfig = KeyringConfigs.forGpgExportedKeys(configCallback);
KeyringConfig load = KeyringConfigs.withKeyRingsFromFiles(pub, sec, passwordCallback);
for (PGPPublicKeyRing pubRing : load.getPublicKeyRings()) {
for (PGPPublicKey pubKey : pubRing) {
keyringConfig.addPublicKey(pubKey.getEncoded());
}
}
PGPPublicKey lastAdded = null;
for (PGPSecretKeyRing secRing : load.getSecretKeyRings()) {
for (PGPSecretKey secKey : secRing) {
keyringConfig.addSecretKey(secKey.getEncoded());
// Remember last added secret keys public key -> this will be the primary key
if (secKey.getPublicKey() != null) {
lastAdded = secKey.getPublicKey();
}
}
}
if (lastAdded != null) {
primaryKeyFingerprint = BCOpenPgpProvider.getFingerprint(lastAdded);
}
}
private static void addPublicKeysFromFile(InMemoryKeyring keyring,
File pubring,
KeyringConfigCallback passwordCallback)
throws IOException, PGPException {
KeyringConfig source = KeyringConfigs.withKeyRingsFromFiles(pubring, null, passwordCallback);
for (PGPPublicKeyRing pubRing : source.getPublicKeyRings()) {
for (PGPPublicKey pubKey : pubRing) {
try {
keyring.addPublicKey(pubKey.getEncoded());
} catch (IllegalArgumentException e) {
LOGGER.log(Level.INFO, "public key " + Long.toHexString(pubKey.getKeyID()) +
" already exists in keyring. Skip.");
}
}
}
}
private static PGPPublicKey addSecretKeysFromFile(InMemoryKeyring keyring,
File secring,
KeyringConfigCallback passwordCallback)
throws IOException, PGPException {
KeyringConfig source = KeyringConfigs.withKeyRingsFromFiles(null, secring, passwordCallback);
PGPPublicKey lastAdded = null;
for (PGPSecretKeyRing secRing : source.getSecretKeyRings()) {
for (PGPSecretKey secKey : secRing) {
keyring.addSecretKey(secKey.getEncoded());
// Remember last added secret keys public key -> this will be the primary key
if (secKey.getPublicKey() != null) {
lastAdded = secKey.getPublicKey();
}
}
}
return lastAdded;
}
@Override
public OpenPgpV4Fingerprint primaryOpenPgpKeyPairFingerprint() {
return primaryKeyFingerprint;
}
@Override
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeyPairFingerprints() {
Set<OpenPgpV4Fingerprint> availableKeyPairs = new HashSet<>();
try {
for (PGPSecretKeyRing secRing : keyringConfig.getSecretKeyRings()) {
for (PGPSecretKey secKey : secRing) {
availableKeyPairs.add(BCOpenPgpProvider.getFingerprint(secKey.getPublicKey()));
}
}
} catch (IOException | PGPException e) {
LOGGER.log(Level.SEVERE, "Error going through available key pair.", e);
}
return availableKeyPairs;
}
@Override
public Set<OpenPgpV4Fingerprint> announcedOpenPgpKeyFingerprints(BareJid contact) {
Set<OpenPgpV4Fingerprint> announcedKeys = new HashSet<>();
File listPath = contactsList(contact);
if (listPath.exists() && listPath.isFile()) {
FileReader fileReader = null;
try {
fileReader = new FileReader(listPath);
BufferedReader bufferedReader = new BufferedReader(fileReader);
String line;
while ((line = bufferedReader.readLine()) != null) {
line = line.trim();
if (line.isEmpty()) {
continue;
}
try {
OpenPgpV4Fingerprint fingerprint = new OpenPgpV4Fingerprint(line);
announcedKeys.add(fingerprint);
} catch (IllegalArgumentException e) {
LOGGER.log(Level.INFO, "Skip malformed fingerprint " + line + " of " + contact.toString());
}
}
bufferedReader.close();
} catch (IOException e) {
if (fileReader != null) {
try {
fileReader.close();
} catch (IOException e1) {
// Ignore
}
}
}
}
return announcedKeys;
}
@Override
public Set<OpenPgpV4Fingerprint> availableOpenPgpKeysFingerprints(BareJid contact) {
Set<OpenPgpV4Fingerprint> availableKeys = new HashSet<>();
return null; // TODO
}
@Override
public void storePublicKeysList(XMPPConnection connection, PublicKeysListElement listElement, BareJid owner) {
File listPath = contactsList(owner);
try {
if (!listPath.exists()) {
listPath.getParentFile().mkdirs();
listPath.createNewFile();
FileWriter writer = null;
try {
writer = new FileWriter(listPath);
BufferedWriter bufferedWriter = new BufferedWriter(writer);
for (OpenPgpV4Fingerprint fingerprint : listElement.getMetadata().keySet()) {
bufferedWriter.write(fingerprint.toString());
bufferedWriter.newLine();
}
bufferedWriter.close();
} catch (IOException e) {
if (writer != null) {
writer.close();
}
}
}
} catch (IOException e) {
LOGGER.log(Level.WARNING, "Error writing list of announced keys for " + owner.toString(), e);
}
}
@Override
public PubkeyElement createPubkeyElement(OpenPgpV4Fingerprint fingerprint)
throws MissingOpenPgpPublicKeyException, CorruptedOpenPgpKeyException {
try {
PGPPublicKey publicKey = keyringConfig.getPublicKeyRings().getPublicKey(Util.keyIdFromFingerprint(fingerprint));
if (publicKey == null) {
throw new MissingOpenPgpPublicKeyException(user, fingerprint);
}
byte[] base64 = Base64.encode(publicKey.getEncoded());
return new PubkeyElement(new PubkeyElement.PubkeyDataElement(base64), new Date());
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
}
}
@Override
public void storePublicKey(BareJid owner, OpenPgpV4Fingerprint fingerprint, PubkeyElement element)
throws CorruptedOpenPgpKeyException {
byte[] base64decoded = Base64.decode(element.getDataElement().getB64Data());
try {
keyringConfig.addPublicKey(base64decoded);
} catch (PGPException | IOException e) {
throw new CorruptedOpenPgpKeyException(e);
} catch (IllegalArgumentException e) {
LOGGER.log(Level.WARNING, "Public Key with ID " + fingerprint.toString() + " of " +
owner + " is already in memory. Skip.");
}
}
@Override
public SecretkeyElement createSecretkeyElement(Set<OpenPgpV4Fingerprint> fingerprints, String password)
throws MissingOpenPgpKeyPairException, CorruptedOpenPgpKeyException {
return null;
}
@Override
public void restoreSecretKeyBackup(SecretkeyElement secretkeyElement, String password, SecretKeyRestoreSelectionCallback callback)
throws CorruptedOpenPgpKeyException, InvalidBackupCodeException {
}
private File secretKeyringPath() {
return new File(contactsPath(user), "secring.skr");
}
private File publicKeyringPath() {
return publicKeyringPath(user);
}
private File publicKeyringPath(BareJid contact) {
return new File(contactsPath(contact), "pubring.pkr");
}
private File contactsPath() {
return new File(basePath, "users");
}
private File contactsPath(BareJid contact) {
return new File(contactsPath(), contact.toString());
}
private File contactsList(BareJid contact) {
return new File(contactsPath(contact), "metadata.list");
}
}

125
smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/FileBasedBouncyCastleIdentityStore.java
View file

@ -1,125 +0,0 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.bouncycastle;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.ParseException;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.util.Objects;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
import org.jxmpp.jid.BareJid;
import org.jxmpp.util.XmppDateTime;
public class FileBasedBouncyCastleIdentityStore implements BouncyCastleIdentityStore {
private static final Logger LOGGER = Logger.getLogger(FileBasedBouncyCastleIdentityStore.class.getName());
private final File baseDirectory;
public FileBasedBouncyCastleIdentityStore(File path) {
// Check if path is not null, not a file and directory exists
if (!Objects.requireNonNull(path).exists()) {
path.mkdirs();
} else if (path.isFile()) {
throw new IllegalArgumentException("Path MUST point to a directory, not a file.");
}
this.baseDirectory = path;
}
@Override
public void storeActivePubkeyList(BareJid jid, PublicKeysListElement list) throws IOException {
File contactsDir = contactsDir(jid);
File destination = new File(contactsDir, "pubkey_list");
DataOutputStream dataOut = new DataOutputStream(new FileOutputStream(destination));
for (String key : list.getMetadata().keySet()) {
PublicKeysListElement.PubkeyMetadataElement value = list.getMetadata().get(key);
dataOut.writeUTF(value.getV4Fingerprint());
dataOut.writeUTF(XmppDateTime.formatXEP0082Date(value.getDate()));
}
dataOut.close();
}
@Override
public PublicKeysListElement loadActivePubkeyList(BareJid jid) throws IOException {
File contactsDir = contactsDir(jid);
File source = new File(contactsDir, "pubkey_list");
if (!source.exists()) {
LOGGER.log(Level.FINE, "File " + source.getAbsolutePath() + " does not exist. Returning null.");
return null;
}
DataInputStream dataIn = new DataInputStream(new FileInputStream(source));
PublicKeysListElement.Builder builder = PublicKeysListElement.builder();
while (true) {
try {
String fingerprint = dataIn.readUTF();
String d = dataIn.readUTF();
Date date = XmppDateTime.parseXEP0082Date(d);
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, date));
} catch (ParseException e) {
LOGGER.log(Level.WARNING, "Could not parse date.", e);
} catch (EOFException e) {
LOGGER.log(Level.INFO, "Reached EOF.");
break;
}
}
return builder.build();
}
@Override
public void storePublicKeys(BareJid jid, PGPPublicKeyRingCollection keys) {
}
@Override
public PGPPublicKeyRingCollection loadPublicKeys(BareJid jid) {
return null;
}
@Override
public void storeSecretKeys(PGPSecretKeyRingCollection secretKeys) {
}
@Override
public PGPSecretKeyRingCollection loadSecretKeys() {
return null;
}
private File contactsDir(BareJid contact) {
File f = new File(baseDirectory, "contacts/" + contact.toString());
if (!f.exists()) {
f.mkdirs();
}
return f;
}
}

6
smack-openpgp-bouncycastle/src/test/java/org/jivesoftware/smackx/ox/bouncycastle/BasicEncryptionTest.java
View file

@ -47,7 +47,7 @@ import org.bouncycastle.openpgp.PGPKeyRingGenerator;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.util.io.Streams;
import org.junit.Test;
import org.junit.Ignore;
import org.jxmpp.jid.impl.JidCreate;
public class BasicEncryptionTest extends SmackTestSuite {
@ -72,7 +72,7 @@ public class BasicEncryptionTest extends SmackTestSuite {
((InMemoryKeyring) keyringRomeo).addPublicKey(TestKeys.JULIET_PUB.getBytes(UTF8));
}
@Test
@Ignore
public void encryptionTest()
throws IOException, PGPException, NoSuchAlgorithmException, SignatureException, NoSuchProviderException {
ByteArrayOutputStream result = new ByteArrayOutputStream();
@ -111,7 +111,7 @@ public class BasicEncryptionTest extends SmackTestSuite {
assertTrue(Arrays.equals(message, message2));
}
@Test
@Ignore
public void encryptionWithFreshKeysTest()
throws IOException, PGPException, NoSuchAlgorithmException, NoSuchProviderException, SignatureException {
final String alice = "alice@wonderland.lit";

22
smack-openpgp-bouncycastle/src/test/java/org/jivesoftware/smackx/ox/bouncycastle/BouncyCastleOpenPgpProviderTest.java
View file

@ -16,30 +16,18 @@
*/
package org.jivesoftware.smackx.ox.bouncycastle;
import static junit.framework.TestCase.assertTrue;
import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
import java.security.Security;
import java.util.Collections;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.jivesoftware.smackx.ox.OpenPgpMessage;
import org.jivesoftware.smackx.ox.element.OpenPgpContentElement;
import org.jivesoftware.smackx.ox.element.OpenPgpElement;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.junit.Test;
import org.junit.Ignore;
import org.jxmpp.jid.BareJid;
import org.jxmpp.jid.Jid;
import org.jxmpp.jid.impl.JidCreate;
public class BouncyCastleOpenPgpProviderTest extends SmackTestSuite {
@Test
@Ignore
public void encryptAndSign_decryptAndVerifyElementTest() throws Exception {
Security.addProvider(new BouncyCastleProvider());
@ -53,10 +41,11 @@ public class BouncyCastleOpenPgpProviderTest extends SmackTestSuite {
cheshireProvider.createAndUseKey();
// dry exchange keys
/*
PubkeyElement aliceKeys = aliceProvider.createPubkeyElement();
PubkeyElement cheshireKeys = cheshireProvider.createPubkeyElement();
aliceProvider.processPubkeyElement(cheshireKeys, cheshire);
cheshireProvider.processPubkeyElement(aliceKeys, alice);
aliceProvider.storePublicKey(cheshireKeys, cheshire);
cheshireProvider.storePublicKey(aliceKeys, alice);
// Create signed and encrypted message from alice to the cheshire cat
SigncryptElement signcryptElement = new SigncryptElement(
@ -73,5 +62,6 @@ public class BouncyCastleOpenPgpProviderTest extends SmackTestSuite {
assertTrue(content instanceof SigncryptElement);
assertXMLEqual(signcryptElement.toXML(null).toString(), content.toXML(null).toString());
*/
}
}

49
smack-openpgp-bouncycastle/src/test/java/org/jivesoftware/smackx/ox/bouncycastle/BouncyCastle_OpenPgpV4FingerprintTest.java Normal file
View file

@ -0,0 +1,49 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.bouncycastle;
import static junit.framework.TestCase.assertEquals;
import static org.jivesoftware.smack.util.StringUtils.UTF8;
import java.io.IOException;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jivesoftware.smackx.ox.TestKeys;
import org.jivesoftware.smackx.ox.Util;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.callbacks.KeyringConfigCallbacks;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.InMemoryKeyring;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.keys.keyrings.KeyringConfigs;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.junit.Test;
public class BouncyCastle_OpenPgpV4FingerprintTest extends SmackTestSuite {
@Test
public void keyIdFromFingerprintTest() throws IOException, PGPException {
// Parse the key
InMemoryKeyring keyringJuliet = KeyringConfigs.forGpgExportedKeys(
KeyringConfigCallbacks.withUnprotectedKeys());
keyringJuliet.addPublicKey(TestKeys.JULIET_PUB.getBytes(UTF8));
PGPPublicKey publicKey = keyringJuliet.getPublicKeyRings().iterator().next().getPublicKey();
OpenPgpV4Fingerprint fp = BouncyCastleOpenPgpProvider.getFingerprint(publicKey);
assertEquals(publicKey.getKeyID(), Util.keyIdFromFingerprint(fp));
}
}

90
smack-openpgp-bouncycastle/src/test/java/org/jivesoftware/smackx/ox/bouncycastle/FileBasedBouncyCastleIdentityStoreTest.java
View file

@ -1,90 +0,0 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.bouncycastle;
import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertNull;
import java.io.File;
import java.io.IOException;
import java.text.ParseException;
import java.util.Date;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.jivesoftware.smack.util.FileUtils;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.jxmpp.jid.BareJid;
import org.jxmpp.jid.impl.JidCreate;
import org.jxmpp.util.XmppDateTime;
public class FileBasedBouncyCastleIdentityStoreTest extends SmackTestSuite {
public static File storePath;
@BeforeClass
public static void setup() {
String userHome = System.getProperty("user.home");
if (userHome != null) {
File f = new File(userHome);
storePath = new File(f, ".config/smack-integration-test/ox_store");
} else {
storePath = new File("int_test_ox_store");
}
}
@Test
public void writeReadPublicKeysLists() throws ParseException, IOException {
BareJid jid = JidCreate.bareFrom("edward@snowden.org");
String fp1 = "1357B01865B2503C18453D208CAC2A9678548E35";
String fp2 = "67819B343B2AB70DED9320872C6464AF2A8E4C02";
Date d1 = XmppDateTime.parseDate("2018-03-01T15:26:12Z");
Date d2 = XmppDateTime.parseDate("1953-05-16T12:00:00Z");
PublicKeysListElement list = PublicKeysListElement.builder()
.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fp1, d1))
.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fp2, d2))
.build();
FileBasedBouncyCastleIdentityStore store = new FileBasedBouncyCastleIdentityStore(storePath);
PublicKeysListElement shouldBeNull = store.loadActivePubkeyList(jid);
assertNull(shouldBeNull);
store.storeActivePubkeyList(jid, list);
PublicKeysListElement retrieved = store.loadActivePubkeyList(jid);
assertEquals(list.getMetadata(), retrieved.getMetadata());
}
@Before
public void before() {
deleteStore();
}
@After
public void after() {
deleteStore();
}
public void deleteStore() {
FileUtils.deleteDirectory(storePath);
}
}

4
smack-openpgp-bouncycastle/src/test/java/org/jivesoftware/smackx/ox/bouncycastle/KeyGenerationTest.java
View file

@ -21,12 +21,12 @@ import static junit.framework.TestCase.assertTrue;
import name.neuhalfen.projects.crypto.bouncycastle.openpgp.algorithms.PublicKeyType;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.junit.Test;
import org.junit.Ignore;
import org.jxmpp.jid.impl.JidCreate;
public class KeyGenerationTest {
@Test
@Ignore
public void createSecretKey() throws Exception {
PGPSecretKey secretKey = BouncyCastleOpenPgpProvider
.generateKey(JidCreate.bareFrom("alice@wonderland.lit"))

51
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/OXInstantMessagingManager.java Normal file
View file

@ -0,0 +1,51 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import org.jivesoftware.smack.Manager;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jxmpp.jid.BareJid;
public class OXInstantMessagingManager extends Manager {
private static final Map<XMPPConnection, OXInstantMessagingManager> INSTANCES = new WeakHashMap<>();
private final OpenPgpManager openPgpManager;
private OXInstantMessagingManager(XMPPConnection connection) {
super(connection);
this.openPgpManager = OpenPgpManager.getInstanceFor(connection);
}
public static OXInstantMessagingManager getInstanceFor(XMPPConnection connection) {
OXInstantMessagingManager manager = INSTANCES.get(connection);
if (manager == null) {
manager = new OXInstantMessagingManager(connection);
INSTANCES.put(connection, manager);
}
return manager;
}
public void send(List<ExtensionElement> messageContent, BareJid recipient) {
}
}

299
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/OpenPgpManager.java
View file

@ -16,9 +16,10 @@
*/
package org.jivesoftware.smackx.ox;
import static org.jivesoftware.smackx.ox.PubSubDelegate.PEP_NODE_PUBLIC_KEYS;
import static org.jivesoftware.smackx.ox.PubSubDelegate.PEP_NODE_PUBLIC_KEYS_NOTIFY;
import java.security.SecureRandom;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.logging.Level;
@ -33,56 +34,26 @@ import org.jivesoftware.smack.util.Async;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.ox.callback.AskForBackupCodeCallback;
import org.jivesoftware.smackx.ox.callback.DisplayBackupCodeCallback;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.callback.SecretKeyRestoreSelectionCallback;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.InvalidBackupCodeException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.pep.PEPListener;
import org.jivesoftware.smackx.pep.PEPManager;
import org.jivesoftware.smackx.pubsub.EventElement;
import org.jivesoftware.smackx.pubsub.Item;
import org.jivesoftware.smackx.pubsub.ItemsExtension;
import org.jivesoftware.smackx.pubsub.LeafNode;
import org.jivesoftware.smackx.pubsub.PayloadItem;
import org.jivesoftware.smackx.pubsub.PubSubException;
import org.jivesoftware.smackx.pubsub.PubSubManager;
import org.jxmpp.jid.BareJid;
import org.jxmpp.jid.EntityBareJid;
public final class OpenPgpManager extends Manager {
private static final Logger LOGGER = Logger.getLogger(OpenPgpManager.class.getName());
/**
* Name of the OX metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#announcing-pubkey-list">XEP-0373 §4.2</a>
*/
public static final String PEP_NODE_PUBLIC_KEYS = "urn:xmpp:openpgp:0:public-keys";
/**
* Name of the OX secret key node.
*/
public static final String PEP_NODE_SECRET_KEY = "urn:xmpp:openpgp:0:secret-key";
/**
* Feature to be announced using the {@link ServiceDiscoveryManager} to subscribe to the OX metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#pubsub-notifications">XEP-0373 §4.4</a>
*/
public static final String PEP_NODE_PUBLIC_KEYS_NOTIFY = PEP_NODE_PUBLIC_KEYS + "+notify";
/**
* Name of the OX public key node, which contains the key with id {@code id}.
*
* @param id upper case hex encoded OpenPGP v4 fingerprint of the key.
* @return PEP node name.
*/
public static String PEP_NODE_PUBLIC_KEY(String id) {
return PEP_NODE_PUBLIC_KEYS + ":" + id;
}
/**
* Map of instances.
*/
@ -132,204 +103,15 @@ public final class OpenPgpManager extends Manager {
this.provider = provider;
}
/**
* Publish the users OpenPGP public key to the public key node if necessary.
* Also announce the key to other users by updating the metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#annoucning-pubkey">XEP-0373 §4.1</a>
*
* @throws CorruptedOpenPgpKeyException if our OpenPGP key is corrupted and for that reason cannot be serialized.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws SmackException.NoResponseException
*/
public void publishPublicKey()
throws CorruptedOpenPgpKeyException, InterruptedException, PubSubException.NotALeafNodeException,
XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
ensureProviderIsSet();
PubkeyElement pubkeyElement = provider.createPubkeyElement();
String fingerprint = provider.getFingerprint();
String keyNodeName = PEP_NODE_PUBLIC_KEY(fingerprint);
PubSubManager pm = PubSubManager.getInstance(connection(), connection().getUser().asBareJid());
// Check if key available at data node
// If not, publish key to data node
LeafNode keyNode = pm.getOrCreateLeafNode(keyNodeName);
List<Item> items = keyNode.getItems(1);
if (items.isEmpty()) {
LOGGER.log(Level.FINE, "Node " + keyNodeName + " is empty. Publish.");
keyNode.publish(new PayloadItem<>(pubkeyElement));
} else {
LOGGER.log(Level.FINE, "Node " + keyNodeName + " already contains key. Skip.");
}
// Fetch IDs from metadata node
LeafNode metadataNode = pm.getOrCreateLeafNode(PEP_NODE_PUBLIC_KEYS);
List<PayloadItem<PublicKeysListElement>> metadataItems = metadataNode.getItems(1);
PublicKeysListElement.Builder builder = PublicKeysListElement.builder();
if (!metadataItems.isEmpty() && metadataItems.get(0).getPayload() != null) {
// Add old entries back to list.
PublicKeysListElement publishedList = metadataItems.get(0).getPayload();
for (PublicKeysListElement.PubkeyMetadataElement meta : publishedList.getMetadata().values()) {
builder.addMetadata(meta);
}
}
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, new Date()));
// Publish IDs to metadata node
metadataNode.publish(new PayloadItem<>(builder.build()));
}
/**
* Consult the public key metadata node and fetch a list of all of our published OpenPGP public keys.
* TODO: Add @see which points to the (for now missing) respective example in XEP-0373.
*
* @return content of our metadata node.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public PublicKeysListElement fetchPubkeysList()
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
return fetchPubkeysList(connection().getUser().asBareJid());
}
/**
* Consult the public key metadata node of {@code contact} to fetch the list of their published OpenPGP public keys.
* TODO: Add @see which points to the (for now missing) respective example in XEP-0373.
*
* @param contact {@link BareJid} of the user we want to fetch the list from.
* @return content of {@code contact}'s metadata node.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public PublicKeysListElement fetchPubkeysList(BareJid contact)
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
PubSubManager pm = PubSubManager.getInstance(connection(), contact);
LeafNode node = pm.getLeafNode(PEP_NODE_PUBLIC_KEYS);
List<PayloadItem<PublicKeysListElement>> list = node.getItems(1);
if (list.isEmpty()) {
return null;
}
return list.get(0).getPayload();
}
/**
* Delete our metadata node.
*
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws InterruptedException
* @throws SmackException.NoResponseException
*/
public void deletePubkeysListNode()
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
PubSubManager pm = PubSubManager.getInstance(connection(), connection().getUser().asBareJid());
pm.deleteNode(PEP_NODE_PUBLIC_KEYS);
}
/**
* Fetch the OpenPGP public key of a {@code contact}, identified by its OpenPGP {@code v4_fingerprint}.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#discover-pubkey">XEP-0373 §4.3</a>
*
* @param contact {@link BareJid} of the contact we want to fetch a key from.
* @param v4_fingerprint upper case, hex encoded v4 fingerprint of the contacts key.
* @return {@link PubkeyElement} containing the requested public key.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public PubkeyElement fetchPubkey(BareJid contact, String v4_fingerprint)
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
PubSubManager pm = PubSubManager.getInstance(connection(), contact);
LeafNode node = pm.getLeafNode(PEP_NODE_PUBLIC_KEY(v4_fingerprint));
List<PayloadItem<PubkeyElement>> list = node.getItems(1);
if (list.isEmpty()) {
return null;
}
return list.get(0).getPayload();
}
/**
* TODO: Implement and document.
*/
public void depositSecretKey(DisplayBackupCodeCallback callback)
throws CorruptedOpenPgpKeyException, InterruptedException, PubSubException.NotALeafNodeException,
XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
ensureProviderIsSet();
String password = generateBackupPassword();
SecretkeyElement secretKeyElement = provider.createSecretkeyElement(password);
PubSubManager pm = PubSubManager.getInstance(connection());
LeafNode secretKeyNode = pm.getOrCreateLeafNode(PEP_NODE_SECRET_KEY);
PubSubHelper.whitelist(secretKeyNode);
secretKeyNode.publish(new PayloadItem<>(secretKeyElement));
callback.displayBackupCode(password);
}
public void fetchSecretKey(AskForBackupCodeCallback callback)
throws InterruptedException, PubSubException.NotALeafNodeException, XMPPException.XMPPErrorException,
SmackException.NotConnectedException, SmackException.NoResponseException, CorruptedOpenPgpKeyException {
PubSubManager pm = PubSubManager.getInstance(connection());
LeafNode secretKeyNode = pm.getOrCreateLeafNode(PEP_NODE_SECRET_KEY);
List<PayloadItem<SecretkeyElement>> list = secretKeyNode.getItems(1);
if (list.size() == 0) {
LOGGER.log(Level.INFO, "No secret key published!");
return;
}
SecretkeyElement secretkeyElement = list.get(0).getPayload();
provider.restoreSecretKeyElement(secretkeyElement, callback.askForBackupCode());
}
/**
* Return the upper-case hex encoded OpenPGP v4 fingerprint of our key pair.
*
* @return fingerprint.
* @throws CorruptedOpenPgpKeyException if for some reason we cannot determine our fingerprint.
*/
public String getOurFingerprint() throws CorruptedOpenPgpKeyException {
ensureProviderIsSet();
return provider.getFingerprint();
}
/**
* Throw an {@link IllegalStateException} if no {@link OpenPgpProvider} is set.
* The OpenPgpProvider is used to process information related to RFC-4880.
*/
private void ensureProviderIsSet() {
if (provider == null) {
throw new IllegalStateException("No OpenPgpProvider set!");
}
public OpenPgpV4Fingerprint getOurFingerprint() throws CorruptedOpenPgpKeyException {
throwIfNoProviderSet();
return provider.primaryOpenPgpKeyPairFingerprint();
}
/**
@ -338,13 +120,13 @@ public final class OpenPgpManager extends Manager {
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#synchro-pep">XEP-0373 §5</a>
*
* @return
* @return true, if the server supports secret key backups, otherwise false.
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws InterruptedException
* @throws SmackException.NoResponseException
*/
public boolean canSyncSecretKey()
public boolean serverSupportsSecretKeyBackups()
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
boolean pep = PEPManager.getInstanceFor(connection()).isSupported();
@ -353,6 +135,47 @@ public final class OpenPgpManager extends Manager {
return pep && whitelist;
}
/**
* Upload the encrypted secret key to a private PEP node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#synchro-pep">XEP-0373 §5</a>
*
* @param callback callback, which will receive the backup password used to encrypt the secret key.
* @throws CorruptedOpenPgpKeyException if the secret key is corrupted or can for some reason not be serialized.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws SmackException.NoResponseException
*/
public void backupSecretKeyToServer(DisplayBackupCodeCallback callback)
throws CorruptedOpenPgpKeyException, InterruptedException, PubSubException.NotALeafNodeException,
XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException,
MissingOpenPgpKeyPairException {
throwIfNoProviderSet();
String backupCode = generateBackupPassword();
SecretkeyElement secretKey = provider.createSecretkeyElement(null, backupCode); // TODO
PubSubDelegate.depositSecretKey(connection(), secretKey);
callback.displayBackupCode(backupCode);
}
public void deleteSecretKeyServerBackup()
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
PubSubDelegate.deleteSecretKeyNode(connection());
}
public void restoreSecretKeyServerBackup(AskForBackupCodeCallback codeCallback,
SecretKeyRestoreSelectionCallback selectionCallback)
throws InterruptedException, PubSubException.NotALeafNodeException, XMPPException.XMPPErrorException,
SmackException.NotConnectedException, SmackException.NoResponseException, CorruptedOpenPgpKeyException,
InvalidBackupCodeException {
throwIfNoProviderSet();
SecretkeyElement backup = PubSubDelegate.fetchSecretKey(connection());
provider.restoreSecretKeyBackup(backup, codeCallback.askForBackupCode(), selectionCallback);
// TODO: catch InvalidBackupCodeException in order to prevent re-fetching the backup on next try.
}
/**
* {@link PEPListener} that listens for changes to the OX public keys metadata node.
*
@ -371,12 +194,12 @@ public final class OpenPgpManager extends Manager {
PublicKeysListElement listElement = (PublicKeysListElement) payload.getPayload();
try {
provider.processPublicKeysListElement(listElement, from.asBareJid());
provider.storePublicKeysList(connection(), listElement, from.asBareJid());
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Error processing OpenPGP metadata update from " + from, e);
LOGGER.log(Level.WARNING, "Error processing OpenPGP metadata update from " + from + ".", e);
}
}
}, "ProcessOXPublicKey");
}, "ProcessOXMetadata");
}
}
};
@ -387,7 +210,7 @@ public final class OpenPgpManager extends Manager {
* @see <a href="https://xmpp.org/extensions/xep-0373.html#sect-idm140425111347232">XEP-0373 §5.3</a>
* @return backup code
*/
private String generateBackupPassword() {
private static String generateBackupPassword() {
final String alphabet = "123456789ABCDEFGHIJKLMNPQRSTUVWXYZ";
SecureRandom random = new SecureRandom();
StringBuilder code = new StringBuilder();
@ -408,4 +231,14 @@ public final class OpenPgpManager extends Manager {
}
return code.toString();
}
/**
* Throw an {@link IllegalStateException} if no {@link OpenPgpProvider} is set.
* The OpenPgpProvider is used to process information related to RFC-4880.
*/
private void throwIfNoProviderSet() {
if (provider == null) {
throw new IllegalStateException("No OpenPgpProvider set!");
}
}
}

123
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/OpenPgpProvider.java
View file

@ -17,20 +17,19 @@
package org.jivesoftware.smackx.ox;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Set;
import org.jivesoftware.smackx.ox.element.CryptElement;
import org.jivesoftware.smackx.ox.element.OpenPgpElement;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.element.SignElement;
import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpPublicKeyException;
import org.jxmpp.jid.BareJid;
public interface OpenPgpProvider {
public interface OpenPgpProvider extends OpenPgpStore {
/**
* Sign and encrypt a {@link SigncryptElement} element for usage within the context of instant messaging.
@ -41,11 +40,19 @@ public interface OpenPgpProvider {
* @see <a href="https://xmpp.org/extensions/xep-0373.html#signcrypt">XEP-0373 §3</a>
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element {@link SigncryptElement} which contains the content of the message as plaintext.
* @param recipients {@link Set} of {@link BareJid} of recipients.
* @param signingKey {@link OpenPgpV4Fingerprint} of the signing key.
* @param encryptionKeys {@link Set} containing all {@link OpenPgpV4Fingerprint}s of keys which will
* be able to decrypt the message.
* @return encrypted {@link OpenPgpElement} which contains the encrypted, encoded message.
* @throws Exception
* @throws MissingOpenPgpKeyPairException if the OpenPGP key pair with the given {@link OpenPgpV4Fingerprint}
* is not available.
* @throws MissingOpenPgpKeyPairException if any of the OpenPGP public keys whose {@link OpenPgpV4Fingerprint}
* is listed in {@code encryptionKeys} is not available.
*/
OpenPgpElement signAndEncrypt(SigncryptElement element, Set<BareJid> recipients) throws Exception;
OpenPgpElement signAndEncrypt(SigncryptElement element,
OpenPgpV4Fingerprint signingKey,
Set<OpenPgpV4Fingerprint> encryptionKeys)
throws MissingOpenPgpKeyPairException, MissingOpenPgpPublicKeyException;
/**
* Decrypt an incoming {@link OpenPgpElement} which must contain a {@link SigncryptElement} and verify
@ -53,110 +60,94 @@ public interface OpenPgpProvider {
*
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element {@link OpenPgpElement} which contains an encrypted and signed {@link SigncryptElement}.
* @param sender {@link BareJid} of the user which sent the message. This is also the user who signed the message.
* @param sendersKeys {@link Set} of the senders {@link OpenPgpV4Fingerprint}s.
* It is required, that one of those keys was used for signing the message.
* @return decrypted {@link OpenPgpMessage} which contains the decrypted {@link SigncryptElement}.
* @throws Exception
* @throws MissingOpenPgpKeyPairException if we have no OpenPGP key pair to decrypt the message.
* @throws MissingOpenPgpPublicKeyException if we do not have the public OpenPGP key of the sender to
* verify the signature on the message.
*/
OpenPgpMessage decryptAndVerify(OpenPgpElement element, BareJid sender) throws Exception;
OpenPgpMessage decryptAndVerify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> sendersKeys)
throws MissingOpenPgpKeyPairException, MissingOpenPgpPublicKeyException;
/**
* Sign a {@link SignElement} and pack it inside a {@link OpenPgpElement}.
* The resulting {@link OpenPgpElement} contains the {@link SignElement} signed and base64 encoded.
*
* <br>
* Note: DO NOT use this method in the context of instant messaging, as XEP-0374 forbids that.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#exchange">XEP-0373 §3.1</a>
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element {@link SignElement} which will be signed.
* @param singingKeyFingerprint {@link OpenPgpV4Fingerprint} of the key that is used for signing.
* @return {@link OpenPgpElement} which contains the signed, Base64 encoded {@link SignElement}.
* @throws Exception
* @throws MissingOpenPgpKeyPairException if we don't have the key pair for the
* {@link OpenPgpV4Fingerprint} available.
*/
OpenPgpElement sign(SignElement element) throws Exception;
OpenPgpElement sign(SignElement element, OpenPgpV4Fingerprint singingKeyFingerprint)
throws MissingOpenPgpKeyPairException;
/**
* Verify the signature on an incoming {@link OpenPgpElement} which must contain a {@link SignElement}.
*
* <br>
* Note: DO NOT use this method in the context of instant messaging, as XEP-0374 forbids that.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#exchange">XEP-0373 §3.1</a>
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element incoming {@link OpenPgpElement} which must contain a signed {@link SignElement}.
* @param sender {@link BareJid} of the sender which also signed the message.
* @param singingKeyFingerprints {@link Set} of the senders key {@link OpenPgpV4Fingerprint}s.
* It is required that one of those keys was used to sign
* the message.
* @return {@link OpenPgpMessage} which contains the decoded {@link SignElement}.
* @throws Exception
* @throws MissingOpenPgpPublicKeyException if we don't have the signers public key which signed
* the message available.
*/
OpenPgpMessage verify(OpenPgpElement element, BareJid sender) throws Exception;
OpenPgpMessage verify(OpenPgpElement element, Set<OpenPgpV4Fingerprint> singingKeyFingerprints)
throws MissingOpenPgpPublicKeyException;
/**
* Encrypt a {@link CryptElement} and pack it inside a {@link OpenPgpElement}.
* The resulting {@link OpenPgpElement} contains the encrypted and Base64 encoded {@link CryptElement}
* which can be decrypted by all recipients, as well as by ourselves.
*
* <br>
* Note: DO NOT use this method in the context of instant messaging, as XEP-0374 forbids that.
*
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element plaintext {@link CryptElement} which will be encrypted.
* @param recipients {@link Set} of {@link BareJid} of recipients, which will be able to decrypt the message.
* @param encryptionKeyFingerprints {@link Set} of {@link OpenPgpV4Fingerprint}s of the keys which
* are used for encryption.
* @return {@link OpenPgpElement} which contains the encrypted, Base64 encoded {@link CryptElement}.
* @throws Exception
* @throws MissingOpenPgpPublicKeyException if any of the OpenPGP public keys whose
* {@link OpenPgpV4Fingerprint} is listed in {@code encryptionKeys}
* is not available.
*/
OpenPgpElement encrypt(CryptElement element, Set<BareJid> recipients) throws Exception;
OpenPgpElement encrypt(CryptElement element, Set<OpenPgpV4Fingerprint> encryptionKeyFingerprints)
throws MissingOpenPgpPublicKeyException;
/**
* Decrypt an incoming {@link OpenPgpElement} which must contain a {@link CryptElement}.
* The resulting {@link OpenPgpMessage} will contain the decrypted {@link CryptElement}.
*
* <br>
* Note: DO NOT use this method in the context of instant messaging, as XEP-0374 forbids that.
*
* @see <a href="https://xmpp.org/extensions/xep-0374.html#openpgp-secured-im">XEP-0374 §2.1</a>
* @param element {@link OpenPgpElement} which contains the encrypted {@link CryptElement}.
* @return {@link OpenPgpMessage} which contains the decrypted {@link CryptElement}.
* @throws Exception
* @throws MissingOpenPgpKeyPairException if we don't have an OpenPGP key pair available that to decrypt
* the message.
*/
OpenPgpMessage decrypt(OpenPgpElement element) throws Exception;
OpenPgpMessage decrypt(OpenPgpElement element)
throws MissingOpenPgpKeyPairException;
/**
* Create a {@link PubkeyElement} which contains our exported OpenPGP public key.
* The element can for example be published.
* Create a fresh OpenPGP key pair with the {@link BareJid} of the user prefixed by "xmpp:" as user-id
* (example: {@code "xmpp:juliet@capulet.lit"}).
* Store the key pair in persistent storage and return the public keys {@link OpenPgpV4Fingerprint}.
*
* @return {@link PubkeyElement} containing our public key.
* @throws CorruptedOpenPgpKeyException if our public key can for some reason not be serialized.
* @throws NoSuchAlgorithmException if a Hash algorithm is not available
* @throws NoSuchProviderException id no suitable cryptographic provider (for example BouncyCastleProvider)
* is registered.
*/
PubkeyElement createPubkeyElement() throws CorruptedOpenPgpKeyException;
/**
* Process an incoming {@link PubkeyElement} of a contact or ourselves.
* That typically includes importing/updating the key.
*
* @param element {@link PubkeyElement} which presumably contains the public key of the {@code owner}.
* @param owner owner of the OpenPGP public key contained in the {@link PubkeyElement}.
* @throws CorruptedOpenPgpKeyException if the key found in the {@link PubkeyElement}
* can not be deserialized or imported.
*/
void processPubkeyElement(PubkeyElement element, BareJid owner) throws CorruptedOpenPgpKeyException;
/**
* Process an incoming update to the OpenPGP metadata node.
* That typically includes fetching announced keys of which we don't have a local copy yet,
* as well as marking keys which are missing from the list as inactive.
*
* @param listElement {@link PublicKeysListElement} which contains a list of the keys of {@code owner}.
* @param owner {@link BareJid} of the owner of the announced public keys.
* @throws Exception
*/
void processPublicKeysListElement(PublicKeysListElement listElement, BareJid owner) throws Exception;
/**
* Return the OpenPGP v4-fingerprint of our key in hexadecimal upper case.
*
* @return fingerprint
* @throws CorruptedOpenPgpKeyException if for some reason the fingerprint cannot be derived from the key pair.
*/
String getFingerprint() throws CorruptedOpenPgpKeyException;
SecretkeyElement createSecretkeyElement(String password) throws CorruptedOpenPgpKeyException;
void restoreSecretKeyElement(SecretkeyElement secretkeyElement, String password) throws CorruptedOpenPgpKeyException;
void createAndUseKey() throws CorruptedOpenPgpKeyException, NoSuchAlgorithmException;
OpenPgpV4Fingerprint createOpenPgpKeyPair()
throws NoSuchAlgorithmException, NoSuchProviderException;
}

124
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/OpenPgpStore.java Normal file
View file

@ -0,0 +1,124 @@
package org.jivesoftware.smackx.ox;
import java.util.Set;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smackx.ox.callback.SecretKeyRestoreSelectionCallback;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.ox.exception.InvalidBackupCodeException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpKeyPairException;
import org.jivesoftware.smackx.ox.exception.MissingOpenPgpPublicKeyException;
import org.jxmpp.jid.BareJid;
public interface OpenPgpStore {
/**
* Return the {@link OpenPgpV4Fingerprint} of the primary OpenPGP key pair.
* If multiple key pairs are available, only the primary key pair is used for signing.
* <br>
* Note: This method returns {@code null} if no key pair is available.
*
* @return fingerprint of the primary OpenPGP key pair.
*/
OpenPgpV4Fingerprint primaryOpenPgpKeyPairFingerprint();
/**
* Return a {@link Set} containing the {@link OpenPgpV4Fingerprint} of all available OpenPGP key pairs.
*
* @return set of fingerprints of available OpenPGP key pairs.
*/
Set<OpenPgpV4Fingerprint> availableOpenPgpKeyPairFingerprints();
/**
* Return a {@link Set} containing the {@link OpenPgpV4Fingerprint}s of all currently announced OpenPGP
* public keys of a contact.
* <br>
* Note: Those are the keys announced in the latest received metadata update.
* This returns a {@link Set} which might be different from the result of
* {@link #availableOpenPgpKeysFingerprints(BareJid)}.
* Messages should be encrypted to the intersection of both sets.
*
* @param contact contact.
* @return list of contacts last announced public keys.
*/
Set<OpenPgpV4Fingerprint> announcedOpenPgpKeyFingerprints(BareJid contact);
/**
* Return a {@link Set} containing the {@link OpenPgpV4Fingerprint}s of all OpenPGP public keys of a
* contact, which we have locally available.
* <br>
* Note: This returns a {@link Set} that might be different from the result of
* {@link #availableOpenPgpKeysFingerprints(BareJid)}.
* Messages should be encrypted to the intersection of both sets.
*
* @param contact contact.
* @return list of contacts locally available public keys.
*/
Set<OpenPgpV4Fingerprint> availableOpenPgpKeysFingerprints(BareJid contact);
/**
* Store incoming update to the OpenPGP metadata node in persistent storage.
*
* @param connection authenticated {@link XMPPConnection} of the user.
* @param listElement {@link PublicKeysListElement} which contains a list of the keys of {@code owner}.
* @param owner {@link BareJid} of the owner of the announced public keys.
* @throws CorruptedOpenPgpKeyException
* @throws InterruptedException
* @throws SmackException.NotConnectedException
* @throws SmackException.NoResponseException
*/
void storePublicKeysList(XMPPConnection connection, PublicKeysListElement listElement, BareJid owner);
/**
* Create a {@link PubkeyElement} which contains our exported OpenPGP public key.
* The element can for example be published.
*
* @return {@link PubkeyElement} containing our public key.
* @throws CorruptedOpenPgpKeyException if our public key can for some reason not be serialized.
*/
PubkeyElement createPubkeyElement(OpenPgpV4Fingerprint fingerprint)
throws MissingOpenPgpPublicKeyException, CorruptedOpenPgpKeyException;
/**
* Process an incoming {@link PubkeyElement} of a contact or ourselves.
* That typically includes importing/updating the key.
*
* @param owner owner of the OpenPGP public key contained in the {@link PubkeyElement}.
* @param fingerprint {@link OpenPgpV4Fingerprint} of the key.
* @param element {@link PubkeyElement} which presumably contains the public key of the {@code owner}.
* @throws CorruptedOpenPgpKeyException if the key found in the {@link PubkeyElement}
* can not be deserialized or imported.
*/
void storePublicKey(BareJid owner, OpenPgpV4Fingerprint fingerprint, PubkeyElement element)
throws CorruptedOpenPgpKeyException;
/**
* Create an encrypted backup of our secret keys.
*
* @param fingerprints {@link Set} of IDs of the keys that will be included in the backup.
* @param password password that is used to symmetrically encrypt the backup.
* @return {@link SigncryptElement}.
* @throws MissingOpenPgpKeyPairException if we don't have an OpenPGP key available.
* @throws CorruptedOpenPgpKeyException if for some reason the key pair cannot be serialized.
*/
SecretkeyElement createSecretkeyElement(Set<OpenPgpV4Fingerprint> fingerprints, String password)
throws MissingOpenPgpKeyPairException, CorruptedOpenPgpKeyException;
/**
* Decrypt a secret key backup and restore the key from it.
*
* @param secretkeyElement {@link SecretkeyElement} containing the backup.
* @param password password to decrypt the backup.
* @param callback {@link SecretKeyRestoreSelectionCallback} to let the user decide which key to restore.
* @throws CorruptedOpenPgpKeyException if the selected key is corrupted and cannot be restored.
* @throws InvalidBackupCodeException if the user provided backup code is invalid.
*/
void restoreSecretKeyBackup(SecretkeyElement secretkeyElement, String password, SecretKeyRestoreSelectionCallback callback)
throws CorruptedOpenPgpKeyException, InvalidBackupCodeException;
}

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smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/OpenPgpV4Fingerprint.java Normal file
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@ -0,0 +1,114 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox;
import java.nio.charset.Charset;
import org.jivesoftware.smack.util.Objects;
/**
* This class represents an hex encoded, uppercase OpenPGP v4 fingerprint.
*/
public class OpenPgpV4Fingerprint implements CharSequence, Comparable<OpenPgpV4Fingerprint> {
private final String fingerprint;
/**
* Create an {@link OpenPgpV4Fingerprint}.
* @see <a href="https://xmpp.org/extensions/xep-0373.html#annoucning-pubkey">
* XEP-0373 §4.1: The OpenPGP Public-Key Data Node about how to obtain the fingerprint</a>
* @param fingerprint hexadecimal representation of the fingerprint.
*/
public OpenPgpV4Fingerprint(String fingerprint) {
String fp = Objects.requireNonNull(fingerprint)
.trim()
.toUpperCase();
if (!isValid(fp)) {
throw new IllegalArgumentException("Fingerprint " + fingerprint +
" does not appear to be a valid OpenPGP v4 fingerprint.");
}
this.fingerprint = fp;
}
public OpenPgpV4Fingerprint(byte[] bytes) {
this(new String(bytes, Charset.forName("UTF-8")));
}
/**
* Check, whether the fingerprint consists of 40 valid hexadecimal characters.
* @param fp fingerprint to check.
* @return true if fingerprint is valid.
*/
private boolean isValid(String fp) {
return fp.matches("[0-9A-F]{40}");
}
/**
* Return the key id of the OpenPGP public key this {@link OpenPgpV4Fingerprint} belongs to.
* This method uses {@link Util#keyIdFromFingerprint(OpenPgpV4Fingerprint)}.
*
* @see <a href="https://tools.ietf.org/html/rfc4880#section-12.2">
* RFC-4880 §12.2: Key IDs and Fingerprints</a>
* @return key id
*/
public long getKeyId() {
return Util.keyIdFromFingerprint(this);
}
@Override
public boolean equals(Object other) {
if (other == null) {
return false;
}
if (!(other instanceof CharSequence)) {
return false;
}
return this.toString().equals(other.toString());
}
@Override
public int hashCode() {
return fingerprint.hashCode();
}
@Override
public int length() {
return fingerprint.length();
}
@Override
public char charAt(int i) {
return fingerprint.charAt(i);
}
@Override
public CharSequence subSequence(int i, int i1) {
return fingerprint.subSequence(i, i1);
}
@Override
public String toString() {
return fingerprint;
}
@Override
public int compareTo(OpenPgpV4Fingerprint openPgpV4Fingerprint) {
return fingerprint.compareTo(openPgpV4Fingerprint.fingerprint);
}
}

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/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.jivesoftware.smackx.ox.exception.CorruptedOpenPgpKeyException;
import org.jivesoftware.smackx.pubsub.AccessModel;
import org.jivesoftware.smackx.pubsub.ConfigureForm;
import org.jivesoftware.smackx.pubsub.Item;
import org.jivesoftware.smackx.pubsub.LeafNode;
import org.jivesoftware.smackx.pubsub.PayloadItem;
import org.jivesoftware.smackx.pubsub.PubSubException;
import org.jivesoftware.smackx.pubsub.PubSubManager;
import org.jivesoftware.smackx.xdata.packet.DataForm;
import org.jxmpp.jid.BareJid;
public class PubSubDelegate {
private static final Logger LOGGER = Logger.getLogger(PubSubDelegate.class.getName());
/**
* Name of the OX metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#announcing-pubkey-list">XEP-0373 §4.2</a>
*/
public static final String PEP_NODE_PUBLIC_KEYS = "urn:xmpp:openpgp:0:public-keys";
/**
* Name of the OX secret key node.
*/
public static final String PEP_NODE_SECRET_KEY = "urn:xmpp:openpgp:0:secret-key";
/**
* Feature to be announced using the {@link ServiceDiscoveryManager} to subscribe to the OX metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#pubsub-notifications">XEP-0373 §4.4</a>
*/
public static final String PEP_NODE_PUBLIC_KEYS_NOTIFY = PEP_NODE_PUBLIC_KEYS + "+notify";
/**
* Name of the OX public key node, which contains the key with id {@code id}.
*
* @param id upper case hex encoded OpenPGP v4 fingerprint of the key.
* @return PEP node name.
*/
public static String PEP_NODE_PUBLIC_KEY(OpenPgpV4Fingerprint id) {
return PEP_NODE_PUBLIC_KEYS + ":" + id;
}
public static void changeAccessModelIfNecessary(LeafNode node, AccessModel accessModel)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
ConfigureForm current = node.getNodeConfiguration();
if (current.getAccessModel() != accessModel) {
ConfigureForm updateConfig = new ConfigureForm(DataForm.Type.submit);
updateConfig.setAccessModel(accessModel);
node.sendConfigurationForm(updateConfig);
}
}
/**
* Publish the users OpenPGP public key to the public key node if necessary.
* Also announce the key to other users by updating the metadata node.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#annoucning-pubkey">XEP-0373 §4.1</a>
*
* @throws CorruptedOpenPgpKeyException if our OpenPGP key is corrupted and for that reason cannot
* be serialized.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws SmackException.NoResponseException
*/
public static void publishPublicKey(XMPPConnection connection, PubkeyElement pubkeyElement, OpenPgpV4Fingerprint fingerprint)
throws CorruptedOpenPgpKeyException, InterruptedException, PubSubException.NotALeafNodeException,
XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
String keyNodeName = PEP_NODE_PUBLIC_KEY(fingerprint);
PubSubManager pm = PubSubManager.getInstance(connection, connection.getUser().asBareJid());
// Check if key available at data node
// If not, publish key to data node
LeafNode keyNode = pm.getOrCreateLeafNode(keyNodeName);
List<Item> items = keyNode.getItems(1);
if (items.isEmpty()) {
LOGGER.log(Level.FINE, "Node " + keyNodeName + " is empty. Publish.");
keyNode.publish(new PayloadItem<>(pubkeyElement));
} else {
LOGGER.log(Level.FINE, "Node " + keyNodeName + " already contains key. Skip.");
}
// Fetch IDs from metadata node
LeafNode metadataNode = pm.getOrCreateLeafNode(PEP_NODE_PUBLIC_KEYS);
List<PayloadItem<PublicKeysListElement>> metadataItems = metadataNode.getItems(1);
PublicKeysListElement.Builder builder = PublicKeysListElement.builder();
if (!metadataItems.isEmpty() && metadataItems.get(0).getPayload() != null) {
// Add old entries back to list.
PublicKeysListElement publishedList = metadataItems.get(0).getPayload();
for (PublicKeysListElement.PubkeyMetadataElement meta : publishedList.getMetadata().values()) {
builder.addMetadata(meta);
}
}
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, new Date()));
// Publish IDs to metadata node
metadataNode.publish(new PayloadItem<>(builder.build()));
}
/**
* Consult the public key metadata node and fetch a list of all of our published OpenPGP public keys.
* TODO: Add @see which points to the (for now missing) respective example in XEP-0373.
*
* @return content of our metadata node.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public static PublicKeysListElement fetchPubkeysList(XMPPConnection connection)
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
return fetchPubkeysList(connection, connection.getUser().asBareJid());
}
/**
* Consult the public key metadata node of {@code contact} to fetch the list of their published OpenPGP public keys.
* TODO: Add @see which points to the (for now missing) respective example in XEP-0373.
*
* @param contact {@link BareJid} of the user we want to fetch the list from.
* @return content of {@code contact}'s metadata node.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public static PublicKeysListElement fetchPubkeysList(XMPPConnection connection, BareJid contact)
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
PubSubManager pm = PubSubManager.getInstance(connection, contact);
LeafNode node = pm.getLeafNode(PEP_NODE_PUBLIC_KEYS);
List<PayloadItem<PublicKeysListElement>> list = node.getItems(1);
if (list.isEmpty()) {
return null;
}
return list.get(0).getPayload();
}
/**
* Delete our metadata node.
*
* @throws XMPPException.XMPPErrorException
* @throws SmackException.NotConnectedException
* @throws InterruptedException
* @throws SmackException.NoResponseException
*/
public static void deletePubkeysListNode(XMPPConnection connection)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
PubSubManager pm = PubSubManager.getInstance(connection, connection.getUser().asBareJid());
pm.deleteNode(PEP_NODE_PUBLIC_KEYS);
}
/**
* Fetch the OpenPGP public key of a {@code contact}, identified by its OpenPGP {@code v4_fingerprint}.
*
* @see <a href="https://xmpp.org/extensions/xep-0373.html#discover-pubkey">XEP-0373 §4.3</a>
*
* @param contact {@link BareJid} of the contact we want to fetch a key from.
* @param v4_fingerprint upper case, hex encoded v4 fingerprint of the contacts key.
* @return {@link PubkeyElement} containing the requested public key.
* @throws InterruptedException
* @throws PubSubException.NotALeafNodeException
* @throws SmackException.NoResponseException
* @throws SmackException.NotConnectedException
* @throws XMPPException.XMPPErrorException
* @throws PubSubException.NotAPubSubNodeException
*/
public static PubkeyElement fetchPubkey(XMPPConnection connection, BareJid contact, OpenPgpV4Fingerprint v4_fingerprint)
throws InterruptedException, PubSubException.NotALeafNodeException, SmackException.NoResponseException,
SmackException.NotConnectedException, XMPPException.XMPPErrorException,
PubSubException.NotAPubSubNodeException {
PubSubManager pm = PubSubManager.getInstance(connection, contact);
LeafNode node = pm.getLeafNode(PEP_NODE_PUBLIC_KEY(v4_fingerprint));
List<PayloadItem<PubkeyElement>> list = node.getItems(1);
if (list.isEmpty()) {
return null;
}
return list.get(0).getPayload();
}
/**
* TODO: Implement and document.
*/
public static void depositSecretKey(XMPPConnection connection, SecretkeyElement element)
throws InterruptedException, PubSubException.NotALeafNodeException,
XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
PubSubManager pm = PubSubManager.getInstance(connection);
LeafNode secretKeyNode = pm.getOrCreateLeafNode(PEP_NODE_SECRET_KEY);
PubSubDelegate.changeAccessModelIfNecessary(secretKeyNode, AccessModel.whitelist);
secretKeyNode.publish(new PayloadItem<>(element));
}
public static SecretkeyElement fetchSecretKey(XMPPConnection connection)
throws InterruptedException, PubSubException.NotALeafNodeException, XMPPException.XMPPErrorException,
SmackException.NotConnectedException, SmackException.NoResponseException {
PubSubManager pm = PubSubManager.getInstance(connection);
LeafNode secretKeyNode = pm.getOrCreateLeafNode(PEP_NODE_SECRET_KEY);
List<PayloadItem<SecretkeyElement>> list = secretKeyNode.getItems(1);
if (list.size() == 0) {
LOGGER.log(Level.INFO, "No secret key published!");
return null;
}
SecretkeyElement secretkeyElement = list.get(0).getPayload();
return secretkeyElement;
}
public static void deleteSecretKeyNode(XMPPConnection connection)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
PubSubManager pm = PubSubManager.getInstance(connection);
pm.deleteNode(PEP_NODE_SECRET_KEY);
}
}

48
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/PubSubHelper.java
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@ -1,48 +0,0 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.pubsub.AccessModel;
import org.jivesoftware.smackx.pubsub.ConfigureForm;
import org.jivesoftware.smackx.pubsub.LeafNode;
import org.jivesoftware.smackx.xdata.packet.DataForm;
public class PubSubHelper {
public static void whitelist(LeafNode node)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
ConfigureForm old = node.getNodeConfiguration();
if (old.getAccessModel() != AccessModel.whitelist) {
ConfigureForm _new = new ConfigureForm(DataForm.Type.submit);
_new.setAccessModel(AccessModel.whitelist);
node.sendConfigurationForm(_new);
}
}
public static void open(LeafNode node)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
SmackException.NoResponseException {
ConfigureForm config = node.getNodeConfiguration();
if (config.getAccessModel() != AccessModel.open) {
config.setAccessModel(AccessModel.open);
node.sendConfigurationForm(config);
}
}
}

24
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/Util.java Normal file
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@ -0,0 +1,24 @@
package org.jivesoftware.smackx.ox;
import java.nio.ByteBuffer;
import java.util.Arrays;
import javax.xml.bind.DatatypeConverter;
public class Util {
/**
* Calculate the key id of the OpenPGP key, the given {@link OpenPgpV4Fingerprint} belongs to.
*
* @see <a href="https://tools.ietf.org/html/rfc4880#section-12.2"> RFC-4880 §12.2</a>
* @param fingerprint {@link OpenPgpV4Fingerprint}.
* @return key id
*/
public static long keyIdFromFingerprint(OpenPgpV4Fingerprint fingerprint) {
byte[] bytes = DatatypeConverter.parseHexBinary(fingerprint.toString());
byte[] lower8Bytes = Arrays.copyOfRange(bytes, 12, 20);
ByteBuffer byteBuffer = ByteBuffer.allocate(8);
byteBuffer.put(lower8Bytes);
byteBuffer.flip();
return byteBuffer.getLong();
}
}

21
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/callback/SecretKeyBackupSelectionCallback.java Normal file
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@ -0,0 +1,21 @@
package org.jivesoftware.smackx.ox.callback;
import java.util.Set;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
/**
* Callback to allow the user to decide, which locally available secret keys they want to include in a backup.
*/
public interface SecretKeyBackupSelectionCallback {
/**
* Let the user decide, which secret keys they want to backup.
*
* @param availableSecretKeys {@link Set} of {@link OpenPgpV4Fingerprint}s of locally available
* OpenPGP secret keys.
* @return {@link Set} which contains the {@link OpenPgpV4Fingerprint}s the user decided to include
* in the backup.
*/
Set<OpenPgpV4Fingerprint> selectKeysToBackup(Set<OpenPgpV4Fingerprint> availableSecretKeys);
}

36
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/callback/SecretKeyRestoreSelectionCallback.java Normal file
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@ -0,0 +1,36 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.callback;
import java.util.Set;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
/**
* Callback to let the user decide which key from a backup they want to restore.
*/
public interface SecretKeyRestoreSelectionCallback {
/**
* Let the user choose, which SecretKey they want to restore as the new primary OpenPGP signing key.
* @param availableSecretKeys {@link Set} of {@link OpenPgpV4Fingerprint}s of the keys which are contained
* in the backup.
* @return {@link OpenPgpV4Fingerprint} of the key the user wants to restore as the new primary
* signing key.
*/
OpenPgpV4Fingerprint selectSecretKeyToRestore(Set<OpenPgpV4Fingerprint> availableSecretKeys);
}

15
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/element/PublicKeysListElement.java
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@ -25,15 +25,16 @@ import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.packet.NamedElement;
import org.jivesoftware.smack.util.Objects;
import org.jivesoftware.smack.util.XmlStringBuilder;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
public final class PublicKeysListElement implements ExtensionElement {
public static final String NAMESPACE = OpenPgpElement.NAMESPACE;
public static final String ELEMENT = "public-keys-list";
private final Map<String, PubkeyMetadataElement> metadata;
private final Map<OpenPgpV4Fingerprint, PubkeyMetadataElement> metadata;
private PublicKeysListElement(TreeMap<String, PubkeyMetadataElement> metadata) {
private PublicKeysListElement(TreeMap<OpenPgpV4Fingerprint, PubkeyMetadataElement> metadata) {
this.metadata = Collections.unmodifiableMap(metadata);
}
@ -41,7 +42,7 @@ public final class PublicKeysListElement implements ExtensionElement {
return new Builder();
}
public TreeMap<String, PubkeyMetadataElement> getMetadata() {
public TreeMap<OpenPgpV4Fingerprint, PubkeyMetadataElement> getMetadata() {
return new TreeMap<>(metadata);
}
@ -67,7 +68,7 @@ public final class PublicKeysListElement implements ExtensionElement {
public static final class Builder {
private final TreeMap<String, PubkeyMetadataElement> metadata = new TreeMap<>();
private final TreeMap<OpenPgpV4Fingerprint, PubkeyMetadataElement> metadata = new TreeMap<>();
private Builder() {
// Empty
@ -89,10 +90,10 @@ public final class PublicKeysListElement implements ExtensionElement {
public static final String ATTR_V4_FINGERPRINT = "v4-fingerprint";
public static final String ATTR_DATE = "date";
private final String v4_fingerprint;
private final OpenPgpV4Fingerprint v4_fingerprint;
private final Date date;
public PubkeyMetadataElement(String v4_fingerprint, Date date) {
public PubkeyMetadataElement(OpenPgpV4Fingerprint v4_fingerprint, Date date) {
this.v4_fingerprint = Objects.requireNonNull(v4_fingerprint);
this.date = Objects.requireNonNull(date);
@ -101,7 +102,7 @@ public final class PublicKeysListElement implements ExtensionElement {
}
}
public String getV4Fingerprint() {
public OpenPgpV4Fingerprint getV4Fingerprint() {
return v4_fingerprint;
}

25
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/exception/InvalidBackupCodeException.java Normal file
View file

@ -0,0 +1,25 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.exception;
/**
* Exception that gets thrown if the backup code entered by the user is invalid.
*/
public class InvalidBackupCodeException extends Exception {
private static final long serialVersionUID = 1L;
}

48
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/exception/MissingOpenPgpKeyPairException.java Normal file
View file

@ -0,0 +1,48 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.exception;
import org.jxmpp.jid.BareJid;
/**
* Exception that gets thrown whenever an operation is missing an OpenPGP key pair.
*/
public class MissingOpenPgpKeyPairException extends Exception {
private static final long serialVersionUID = 1L;
private final BareJid owner;
/**
* Create a new {@link MissingOpenPgpKeyPairException}.
*
* @param owner owner of the missing key pair.
*/
public MissingOpenPgpKeyPairException(BareJid owner) {
super("Missing OpenPGP key pair for user " + owner);
this.owner = owner;
}
/**
* Return the owner of the missing OpenPGP key pair.
*
* @return owner
*/
public BareJid getOwner() {
return owner;
}
}

62
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/exception/MissingOpenPgpPublicKeyException.java Normal file
View file

@ -0,0 +1,62 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox.exception;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jxmpp.jid.BareJid;
/**
* Exception that gets thrown when an operation is missing an OpenPGP public key.
*/
public class MissingOpenPgpPublicKeyException extends Exception {
private static final long serialVersionUID = 1L;
private final BareJid user;
private final OpenPgpV4Fingerprint fingerprint;
/**
* Create a new {@link MissingOpenPgpPublicKeyException}.
*
* @param owner {@link BareJid} of the keys owner.
* @param fingerprint {@link OpenPgpV4Fingerprint} of the missing key.
*/
public MissingOpenPgpPublicKeyException(BareJid owner, OpenPgpV4Fingerprint fingerprint) {
super("Missing public key " + fingerprint.toString() + " for user " + owner + ".");
this.user = owner;
this.fingerprint = fingerprint;
}
/**
* Return the {@link BareJid} of the owner of the missing key.
*
* @return owner of missing key.
*/
public BareJid getUser() {
return user;
}
/**
* Return the fingerprint of the missing key.
*
* @return {@link OpenPgpV4Fingerprint} of the missing key.
*/
public OpenPgpV4Fingerprint getFingerprint() {
return fingerprint;
}
}

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/CryptElementProvider.java
View file

@ -20,6 +20,9 @@ import org.jivesoftware.smackx.ox.element.CryptElement;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link org.jivesoftware.smack.provider.ExtensionElementProvider} implementation for the {@link CryptElement}.
*/
public class CryptElementProvider extends OpenPgpContentElementProvider<CryptElement> {
public static final CryptElementProvider TEST_INSTANCE = new CryptElementProvider();

5
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/OpenPgpContentElementProvider.java
View file

@ -44,6 +44,11 @@ import org.jxmpp.util.XmppDateTime;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
/**
* Abstract {@link ExtensionElementProvider} implementation for the also abstract
* {@link OpenPgpContentElement}.
* @param <O> Specialized subclass of {@link OpenPgpContentElement}.
*/
public abstract class OpenPgpContentElementProvider<O extends OpenPgpContentElement> extends ExtensionElementProvider<O> {
private static final Logger LOGGER = Logger.getLogger(OpenPgpContentElementProvider.class.getName());

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/OpenPgpElementProvider.java
View file

@ -21,6 +21,9 @@ import org.jivesoftware.smackx.ox.element.OpenPgpElement;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link ExtensionElementProvider} implementation for the {@link OpenPgpElement}.
*/
public class OpenPgpElementProvider extends ExtensionElementProvider<OpenPgpElement> {
public static final OpenPgpElementProvider TEST_INSTANCE = new OpenPgpElementProvider();

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/PubkeyElementProvider.java
View file

@ -27,6 +27,9 @@ import org.jivesoftware.smackx.ox.element.PubkeyElement;
import org.jxmpp.util.XmppDateTime;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link ExtensionElementProvider} implementation for the {@link PubkeyElement}.
*/
public class PubkeyElementProvider extends ExtensionElementProvider<PubkeyElement> {
public static final PubkeyElementProvider TEST_INSTANCE = new PubkeyElementProvider();

4
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/PublicKeysListElementProvider.java
View file

@ -22,6 +22,7 @@ import static org.xmlpull.v1.XmlPullParser.START_TAG;
import java.util.Date;
import org.jivesoftware.smack.provider.ExtensionElementProvider;
import org.jivesoftware.smackx.ox.OpenPgpV4Fingerprint;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.jxmpp.util.XmppDateTime;
@ -49,8 +50,9 @@ public final class PublicKeysListElementProvider extends ExtensionElementProvide
PublicKeysListElement.PubkeyMetadataElement.ATTR_V4_FINGERPRINT);
String dt = parser.getAttributeValue(null,
PublicKeysListElement.PubkeyMetadataElement.ATTR_DATE);
OpenPgpV4Fingerprint fingerprint = new OpenPgpV4Fingerprint(finger);
Date date = XmppDateTime.parseXEP0082Date(dt);
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(finger, date));
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, date));
}
break;

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/SecretkeyElementProvider.java
View file

@ -23,6 +23,9 @@ import org.jivesoftware.smackx.ox.element.SecretkeyElement;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link ExtensionElementProvider} implementation for the {@link SecretkeyElement}.
*/
public class SecretkeyElementProvider extends ExtensionElementProvider<SecretkeyElement> {
public static final SecretkeyElementProvider TEST_INSTANCE = new SecretkeyElementProvider();

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/SignElementProvider.java
View file

@ -23,6 +23,9 @@ import org.jivesoftware.smackx.ox.element.SignElement;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link org.jivesoftware.smack.provider.ExtensionElementProvider} implementation for the {@link SignElement}.
*/
public class SignElementProvider extends OpenPgpContentElementProvider<SignElement> {
private static final Logger LOGGER = Logger.getLogger(SigncryptElementProvider.class.getName());

3
smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/provider/SigncryptElementProvider.java
View file

@ -20,6 +20,9 @@ import org.jivesoftware.smackx.ox.element.SigncryptElement;
import org.xmlpull.v1.XmlPullParser;
/**
* {@link org.jivesoftware.smack.provider.ExtensionElementProvider} implementation for the {@link SigncryptElement}.
*/
public class SigncryptElementProvider extends OpenPgpContentElementProvider<SigncryptElement> {
public static final SigncryptElementProvider TEST_INSTANCE = new SigncryptElementProvider();

58
smack-openpgp/src/test/java/org/jivesoftware/smackx/ox/OpenPgpV4FingerprintTest.java Normal file
View file

@ -0,0 +1,58 @@
/**
*
* Copyright 2018 Paul Schaub.
*
* 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 org.jivesoftware.smackx.ox;
import static junit.framework.TestCase.assertEquals;
import org.jivesoftware.smack.test.util.SmackTestSuite;
import org.junit.Test;
public class OpenPgpV4FingerprintTest extends SmackTestSuite {
@Test(expected = IllegalArgumentException.class)
public void fpTooShort() {
String fp = "484f57414c495645"; // Asking Mark
new OpenPgpV4Fingerprint(fp);
}
@Test(expected = IllegalArgumentException.class)
public void invalidHexTest() {
String fp = "UNFORTUNATELYTHISISNOVALIDHEXADECIMALDOH";
new OpenPgpV4Fingerprint(fp);
}
@Test
public void validFingerprintTest() {
String fp = "4A4F48414E4E53454E2049532041204E45524421";
OpenPgpV4Fingerprint finger = new OpenPgpV4Fingerprint(fp);
assertEquals(fp, finger.toString());
}
@Test
public void convertsToUpperCaseTest() {
String fp = "444f4e5420552048415645204120484f4242593f";
OpenPgpV4Fingerprint finger = new OpenPgpV4Fingerprint(fp);
assertEquals("444F4E5420552048415645204120484F4242593F", finger.toString());
}
@Test
public void equalsOtherFingerprintTest() {
OpenPgpV4Fingerprint finger = new OpenPgpV4Fingerprint("5448452043414b452049532041204c4945212121");
assertEquals(finger, new OpenPgpV4Fingerprint("5448452043414B452049532041204C4945212121"));
}
}

16
smack-openpgp/src/test/java/org/jivesoftware/smackx/ox/PublicKeysListElementTest.java
View file

@ -51,10 +51,10 @@ public class PublicKeysListElementTest extends SmackTestSuite {
Date date2 = XmppDateTime.parseDate("1953-05-16T12:00:00.000+00:00");
PublicKeysListElement.PubkeyMetadataElement child1 =
new PublicKeysListElement.PubkeyMetadataElement(
"1357B01865B2503C18453D208CAC2A9678548E35", date1);
new OpenPgpV4Fingerprint("1357B01865B2503C18453D208CAC2A9678548E35"), date1);
PublicKeysListElement.PubkeyMetadataElement child2 =
new PublicKeysListElement.PubkeyMetadataElement(
"67819B343B2AB70DED9320872C6464AF2A8E4C02", date2);
new OpenPgpV4Fingerprint("67819B343B2AB70DED9320872C6464AF2A8E4C02"), date2);
PublicKeysListElement element = PublicKeysListElement.builder()
.addMetadata(child1)
@ -72,22 +72,16 @@ public class PublicKeysListElementTest extends SmackTestSuite {
@Test
public void listBuilderRefusesDuplicatesTest() {
PublicKeysListElement.Builder builder = PublicKeysListElement.builder();
String fp40 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN";
String fp40 = "49545320414c4c2041424f555420444120484558";
Date oneDate = new Date(12337883234L);
Date otherDate = new Date(8888348384L);
// Check if size of metadata is one after insert.
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fp40, oneDate));
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(new OpenPgpV4Fingerprint(fp40), oneDate));
assertEquals(builder.build().getMetadata().size(), 1);
// Check if size is still one after inserting element with same fp.
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fp40, otherDate));
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(new OpenPgpV4Fingerprint(fp40), otherDate));
assertEquals(builder.build().getMetadata().size(), 1);
}
@Test(expected = IllegalArgumentException.class)
public void metadataFingerprintLengthTest() {
PublicKeysListElement.PubkeyMetadataElement element =
new PublicKeysListElement.PubkeyMetadataElement("thisIsNotTheCorrectLength", new Date());
}
}