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Code Issues Releases Wiki Activity

Merge pull request #354 from vanitasvitae/smackomemoStyleFixes

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omemo: style fixes
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Florian Schmaus 2020-04-12 19:18:42 +02:00 committed by GitHub
commit 31d69b07f9
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28 changed files with 272 additions and 128 deletions
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1
smack-omemo-signal/src/main/java/org/jivesoftware/smackx/omemo/signal/SignalCachingOmemoStore.java
View file

@ -44,6 +44,7 @@ public class SignalCachingOmemoStore extends CachingOmemoStore<IdentityKeyPair,
/**
* Create a new SignalCachingOmemoStore as a caching layer around a persisting OmemoStore
* (eg. a SignalFileBasedOmemoStore).
*
* @param wrappedStore other store implementation that gets wrapped
*/
public SignalCachingOmemoStore(OmemoStore<IdentityKeyPair, IdentityKey, PreKeyRecord, SignedPreKeyRecord,

1
smack-omemo-signal/src/main/java/org/jivesoftware/smackx/omemo/signal/SignalOmemoRatchet.java
View file

@ -149,7 +149,6 @@ public class SignalOmemoRatchet
throw new AssertionError("Signals trust management MUST be disabled.");
}
// TODO: Figure out, if this is enough...
int type = ciphertextMessage.getType() == CiphertextMessage.PREKEY_TYPE ?
OmemoElement.TYPE_OMEMO_PREKEY_MESSAGE : OmemoElement.TYPE_OMEMO_MESSAGE;

5
smack-omemo-signal/src/main/java/org/jivesoftware/smackx/omemo/signal/SignalOmemoStoreConnector.java
View file

@ -87,8 +87,9 @@ public class SignalOmemoStoreConnector
}
/**
* We don't use this.
* @return dummy TODO javadoc me please
* The OMEMO protocol does not make use of a local registration ID, so we can simply return 0 here.
*
* @return local registration id.
*/
@Override
public int getLocalRegistrationId() {

24
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/CachingOmemoStore.java
View file

@ -75,7 +75,13 @@ public class CachingOmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Se
if (persistent != null) {
return persistent.localDeviceIdsOf(localUser);
} else {
return new TreeSet<>(); //TODO: ?
SortedSet<Integer> deviceIds = new TreeSet<>();
for (OmemoDevice device : caches.keySet()) {
if (device.getJid().equals(localUser)) {
deviceIds.add(device.getDeviceId());
}
}
return deviceIds;
}
}
@ -437,8 +443,9 @@ public class CachingOmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Se
/**
* Return the {@link KeyCache} object of an {@link OmemoManager}.
* @param device TODO javadoc me please
* @return
*
* @param device OMEMO device of which we want to have the cache.
* @return key cache of the device
*/
private KeyCache<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess> getCache(OmemoDevice device) {
KeyCache<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess> cache = caches.get(device);
@ -451,11 +458,12 @@ public class CachingOmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Se
/**
* Cache that stores values for an {@link OmemoManager}.
* @param <T_IdKeyPair>
* @param <T_IdKey>
* @param <T_PreKey>
* @param <T_SigPreKey>
* @param <T_Sess>
*
* @param <T_IdKeyPair> type of the identity key pair
* @param <T_IdKey> type of the public identity key
* @param <T_PreKey> type of a public preKey
* @param <T_SigPreKey> type of the public signed preKey
* @param <T_Sess> type of the OMEMO session
*/
private static class KeyCache<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess> {
private T_IdKeyPair identityKeyPair;

3
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/FileBasedOmemoStore.java
View file

@ -45,6 +45,7 @@ import org.jxmpp.jid.BareJid;
/**
* Like a rocket!
* Implementation of the {@link OmemoStore} class that uses plain files for storage.
*
* @author Paul Schaub
*/
@ -514,7 +515,7 @@ public abstract class FileBasedOmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigP
/**
* Delete a directory with all subdirectories.
* @param root TODO javadoc me please
* @param root directory to be deleted
*/
public static void deleteDirectory(File root) {
File[] currList;

8
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoConfiguration.java
View file

@ -30,7 +30,7 @@ public final class OmemoConfiguration {
* Set to true, in order to ignore read-only devices.
*
* @param ignore ignore read-only devices
* @see <a href="example.com">Blog Post explaining the danger of read-only devices. TODO: Add URL </a>
* @see <a href="https://blog.jabberhead.tk/2019/12/13/pitfalls-for-omemo-implementations-part-1-inactive-devices/">Blog Post explaining the danger of read-only devices.</a>
*/
public static void setIgnoreReadOnlyDevices(boolean ignore) {
IGNORE_READ_ONLY_DEVICES = ignore;
@ -40,7 +40,7 @@ public final class OmemoConfiguration {
* Return true, if the client should stop encrypting messages to a read-only device.
*
* @return true if read-only devices should get ignored after a certain amount of unanswered messages.
* @see <a href="example.com">Blog Post explaining the danger of read-only devices. TODO: Add URL </a>
* @see <a href="https://blog.jabberhead.tk/2019/12/13/pitfalls-for-omemo-implementations-part-1-inactive-devices/">Blog Post explaining the danger of read-only devices.</a>
*/
public static boolean getIgnoreReadOnlyDevices() {
return IGNORE_READ_ONLY_DEVICES;
@ -53,7 +53,7 @@ public final class OmemoConfiguration {
* This threshold is used to prevent read-only devices from weakening forward secrecy.
*
* @param maxReadOnlyMessageCount maximum number of allowed messages to a read-only device.
* @see <a href="example.com">Blog Post explaining the danger of read-only devices. TODO: Add URL </a>
* @see <a href="https://blog.jabberhead.tk/2019/12/13/pitfalls-for-omemo-implementations-part-1-inactive-devices/">Blog Post explaining the danger of read-only devices.</a>
*/
public static void setMaxReadOnlyMessageCount(int maxReadOnlyMessageCount) {
if (maxReadOnlyMessageCount <= 0) {
@ -69,7 +69,7 @@ public final class OmemoConfiguration {
* This threshold is used to prevent read-only devices from weakening forward secrecy.
*
* @return maximum number of allowed messages to a read-only device.
* @see <a href="example.com">Blog Post explaining the danger of read-only devices. TODO: Add URL </a>
* @see <a href="https://blog.jabberhead.tk/2019/12/13/pitfalls-for-omemo-implementations-part-1-inactive-devices/">Blog Post explaining the danger of read-only devices.</a>
*/
public static int getMaxReadOnlyMessageCount() {
return MAX_READ_ONLY_MESSAGE_COUNT;

2
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoInitializer.java
View file

@ -19,7 +19,7 @@ package org.jivesoftware.smackx.omemo;
import org.jivesoftware.smack.initializer.UrlInitializer;
/**
* Initializer class that registers omemo providers.
* Initializer class that registers OMEMO providers.
*
* @author Paul Schaub
*/

53
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoManager.java
View file

@ -151,7 +151,7 @@ public final class OmemoManager extends Manager {
* @param connection XmppConnection.
* @param deviceId MUST NOT be null and MUST be greater than 0.
*
* @return manager TODO javadoc me please
* @return OmemoManager instance for the given connection and deviceId.
*/
public static synchronized OmemoManager getInstanceFor(XMPPConnection connection, Integer deviceId) {
if (deviceId == null || deviceId < 1) {
@ -182,7 +182,7 @@ public final class OmemoManager extends Manager {
*
* @param connection XmppConnection.
*
* @return manager TODO javadoc me please
* @return OmemoManager instance for the given connection and a determined deviceId.
*/
public static synchronized OmemoManager getInstanceFor(XMPPConnection connection) {
TreeMap<Integer, OmemoManager> managers = INSTANCES.get(connection);
@ -219,7 +219,8 @@ public final class OmemoManager extends Manager {
/**
* Return the TrustCallback of this manager.
* @return
*
* @return callback that is used for trust decisions.
*/
OmemoTrustCallback getTrustCallback() {
return trustCallback;
@ -276,9 +277,12 @@ public final class OmemoManager extends Manager {
/**
* Return a set of all OMEMO capable devices of a contact.
* Note, that this method does not explicitly refresh the device list of the contact, so it might be outdated.
*
* @see #requestDeviceListUpdateFor(BareJid)
*
* @param contact contact we want to get a set of device of.
* @return set of known devices of that contact.
*
* @throws IOException if an I/O error occurred.
*/
public Set<OmemoDevice> getDevicesOf(BareJid contact) throws IOException {
@ -299,6 +303,7 @@ public final class OmemoManager extends Manager {
* @param recipient recipients bareJid
* @param message text to encrypt
* @return encrypted message
*
* @throws CryptoFailedException when something crypto related fails
* @throws UndecidedOmemoIdentityException When there are undecided devices
* @throws InterruptedException if the calling thread was interrupted.
@ -322,6 +327,7 @@ public final class OmemoManager extends Manager {
* @param recipients recipients barejids
* @param message text to encrypt
* @return encrypted message.
*
* @throws CryptoFailedException When something crypto related fails
* @throws UndecidedOmemoIdentityException When there are undecided devices.
* @throws InterruptedException if the calling thread was interrupted.
@ -348,6 +354,7 @@ public final class OmemoManager extends Manager {
* @param muc multiUserChat
* @param message message to send
* @return encrypted message
*
* @throws UndecidedOmemoIdentityException when there are undecided devices.
* @throws CryptoFailedException if the OMEMO cryptography failed.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
@ -402,6 +409,7 @@ public final class OmemoManager extends Manager {
*
* @param mamQuery The MAM query
* @return list of decrypted OmemoMessages
*
* @throws SmackException.NotLoggedInException if the Manager is not authenticated.
* @throws IOException if an I/O error occurred.
*/
@ -430,6 +438,7 @@ public final class OmemoManager extends Manager {
* Distrust the fingerprint/OmemoDevice tuple.
* The fingerprint must be the lowercase, hexadecimal fingerprint of the identityKey of the device and must
* be of length 64.
*
* @param device device
* @param fingerprint fingerprint
*/
@ -445,6 +454,7 @@ public final class OmemoManager extends Manager {
* Returns true, if the fingerprint/OmemoDevice tuple is trusted, otherwise false.
* The fingerprint must be the lowercase, hexadecimal fingerprint of the identityKey of the device and must
* be of length 64.
*
* @param device device
* @param fingerprint fingerprint
* @return <code>true</code> if this is a trusted OMEMO identity.
@ -461,6 +471,7 @@ public final class OmemoManager extends Manager {
* Returns true, if the fingerprint/OmemoDevice tuple is decided by the user.
* The fingerprint must be the lowercase, hexadecimal fingerprint of the identityKey of the device and must
* be of length 64.
*
* @param device device
* @param fingerprint fingerprint
* @return <code>true</code> if the trust is decided for the identity.
@ -478,6 +489,7 @@ public final class OmemoManager extends Manager {
* secrecy.
*
* @param recipient recipient
*
* @throws CorruptedOmemoKeyException When the used identityKeys are corrupted
* @throws CryptoFailedException When something fails with the crypto
* @throws CannotEstablishOmemoSessionException When we can't establish a session with the recipient
@ -510,6 +522,7 @@ public final class OmemoManager extends Manager {
*
* @param contact contact
* @return true if contact has at least one OMEMO capable device.
*
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.
* @throws InterruptedException if the calling thread was interrupted.
* @throws SmackException.NoResponseException if there was no response from the remote entity.
@ -530,10 +543,11 @@ public final class OmemoManager extends Manager {
*
* @param multiUserChat MUC
* @return true if chat supports OMEMO
* @throws XMPPException.XMPPErrorException if
* @throws SmackException.NotConnectedException something
* @throws InterruptedException goes
* @throws SmackException.NoResponseException wrong
*
* @throws XMPPException.XMPPErrorException if there was an XMPP protocol level error
* @throws SmackException.NotConnectedException if the connection is not connected
* @throws InterruptedException if the thread is interrupted
* @throws SmackException.NoResponseException if the server does not respond
*/
public boolean multiUserChatSupportsOmemo(MultiUserChat multiUserChat)
throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException,
@ -549,6 +563,7 @@ public final class OmemoManager extends Manager {
* @param connection XMPPConnection
* @param server domainBareJid of the server to test
* @return true if server supports pep
*
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.
* @throws InterruptedException if the calling thread was interrupted.
@ -564,7 +579,8 @@ public final class OmemoManager extends Manager {
/**
* Return the fingerprint of our identity key.
*
* @return fingerprint TODO javadoc me please
* @return our own OMEMO fingerprint
*
* @throws SmackException.NotLoggedInException if we don't know our bareJid yet.
* @throws CorruptedOmemoKeyException if our identityKey is corrupted.
* @throws IOException if an I/O error occurred.
@ -580,8 +596,10 @@ public final class OmemoManager extends Manager {
/**
* Get the fingerprint of a contacts device.
*
* @param device contacts OmemoDevice
* @return fingerprint TODO javadoc me please
* @return fingerprint of the given OMEMO device.
*
* @throws CannotEstablishOmemoSessionException if we have no session yet, and are unable to create one.
* @throws SmackException.NotLoggedInException if the XMPP connection is not authenticated.
* @throws CorruptedOmemoKeyException if the copy of the fingerprint we have is corrupted.
@ -609,6 +627,7 @@ public final class OmemoManager extends Manager {
/**
* Return all OmemoFingerprints of active devices of a contact.
* TODO: Make more fail-safe
*
* @param contact contact
* @return Map of all active devices of the contact and their fingerprints.
*
@ -656,6 +675,7 @@ public final class OmemoManager extends Manager {
/**
* Remove an OmemoMessageListener.
*
* @param listener OmemoMessageListener
*/
public void removeOmemoMessageListener(OmemoMessageListener listener) {
@ -673,6 +693,7 @@ public final class OmemoManager extends Manager {
/**
* Remove an OmemoMucMessageListener.
*
* @param listener OmemoMucMessageListener
*/
public void removeOmemoMucMessageListener(OmemoMucMessageListener listener) {
@ -683,6 +704,7 @@ public final class OmemoManager extends Manager {
* Request a deviceList update from contact contact.
*
* @param contact contact we want to obtain the deviceList from.
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws PubSubException.NotALeafNodeException if a PubSub leaf node operation was attempted on a non-leaf node.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
@ -745,6 +767,7 @@ public final class OmemoManager extends Manager {
/**
* Return true, if the given Stanza contains an OMEMO element 'encrypted'.
*
* @param stanza stanza
* @return true if stanza has extension 'encrypted'
*/
@ -763,7 +786,8 @@ public final class OmemoManager extends Manager {
/**
* Returns a pseudo random number from the interval [1, Integer.MAX_VALUE].
* @return deviceId TODO javadoc me please
*
* @return a random deviceId.
*/
public static int randomDeviceId() {
return new Random().nextInt(Integer.MAX_VALUE - 1) + 1;
@ -772,7 +796,7 @@ public final class OmemoManager extends Manager {
/**
* Return the BareJid of the user.
*
* @return bareJid TODO javadoc me please
* @return our own bare JID.
*/
public BareJid getOwnJid() {
if (ownJid == null && connection().isAuthenticated()) {
@ -785,7 +809,7 @@ public final class OmemoManager extends Manager {
/**
* Return the deviceId of this OmemoManager.
*
* @return deviceId TODO javadoc me please
* @return this OmemoManagers deviceId.
*/
public synchronized Integer getDeviceId() {
return deviceId;
@ -794,7 +818,7 @@ public final class OmemoManager extends Manager {
/**
* Return the OmemoDevice of the user.
*
* @return omemoDevice TODO javadoc me please
* @return our own OmemoDevice
*/
public synchronized OmemoDevice getOwnDevice() {
BareJid jid = getOwnJid();
@ -806,6 +830,7 @@ public final class OmemoManager extends Manager {
/**
* Set the deviceId of the manager to nDeviceId.
*
* @param nDeviceId new deviceId
*/
synchronized void setDeviceId(int nDeviceId) {
@ -926,7 +951,7 @@ public final class OmemoManager extends Manager {
/**
* Return the OMEMO service object.
*
* @return omemoService TODO javadoc me please
* @return the OmemoService object related to this OmemoManager.
*/
OmemoService<?, ?, ?, ?, ?, ?, ?, ?, ?> getOmemoService() {
throwIfNoServiceSet();

17
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoMessage.java
View file

@ -49,7 +49,7 @@ public class OmemoMessage {
/**
* Return the original OmemoElement (&lt;encrypted/&gt;).
*
* @return omemoElement TODO javadoc me please
* @return omemoElement of the message
*/
public OmemoElement getElement() {
return element;
@ -58,7 +58,7 @@ public class OmemoMessage {
/**
* Return the messageKey (or transported key in case of a KeyTransportMessage).
*
* @return key TODO javadoc me please
* @return encryption key that protects the message payload
*/
public byte[] getKey() {
return messageKey.clone();
@ -66,6 +66,7 @@ public class OmemoMessage {
/**
* Return the initialization vector belonging to the key.
*
* @return initialization vector
*/
public byte[] getIv() {
@ -81,6 +82,7 @@ public class OmemoMessage {
/**
* Create a new outgoing OMEMO message.
*
* @param element OmemoElement
* @param key messageKey (or transported key)
* @param iv initialization vector belonging to key
@ -96,6 +98,7 @@ public class OmemoMessage {
/**
* Return a list of all devices the sender originally intended to encrypt the message for.
*
* @return list of intended recipients.
*/
public Set<OmemoDevice> getIntendedDevices() {
@ -104,6 +107,7 @@ public class OmemoMessage {
/**
* Return a map of all skipped recipients and the reasons for skipping.
*
* @return map of skipped recipients and reasons for that.
*/
public HashMap<OmemoDevice, Throwable> getSkippedDevices() {
@ -112,6 +116,7 @@ public class OmemoMessage {
/**
* Determine, if some recipients were skipped during encryption.
*
* @return true if recipients were skipped.
*/
public boolean isMissingRecipients() {
@ -155,6 +160,7 @@ public class OmemoMessage {
/**
* Create a new incoming OMEMO message.
*
* @param element original OmemoElement
* @param key message key (or transported key)
* @param iv respective initialization vector
@ -173,6 +179,7 @@ public class OmemoMessage {
/**
* Return the decrypted body of the message.
*
* @return decrypted body
*/
public String getBody() {
@ -181,6 +188,7 @@ public class OmemoMessage {
/**
* Return the fingerprint of the messages sender device.
*
* @return fingerprint of sender
*/
public OmemoFingerprint getSendersFingerprint() {
@ -189,7 +197,8 @@ public class OmemoMessage {
/**
* Return the OmemoDevice which sent the message.
* @return senderDevice TODO javadoc me please
*
* @return OMEMO device that sent the message.
*/
public OmemoDevice getSenderDevice() {
return senderDevice;
@ -197,6 +206,7 @@ public class OmemoMessage {
/**
* Return true, if this message was sent as a preKeyMessage.
*
* @return preKeyMessage or not
*/
boolean isPreKeyMessage() {
@ -206,6 +216,7 @@ public class OmemoMessage {
/**
* Return true, if the message was a KeyTransportMessage.
* A KeyTransportMessage is a OmemoMessage without a payload.
*
* @return keyTransportMessage?
*/
public boolean isKeyTransportMessage() {

2
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoRatchet.java
View file

@ -86,6 +86,7 @@ public abstract class OmemoRatchet<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param element omemoElement
* @return tuple of cipher generated from the unpacked message key and the auth-tag
*
* @throws CryptoFailedException if decryption using the double ratchet fails
* @throws NoRawSessionException if we have no session, but the element was NOT a PreKeyMessage
* @throws IOException if an I/O error occurred.
@ -154,6 +155,7 @@ public abstract class OmemoRatchet<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param element omemoElement containing a payload.
* @param cipherAndAuthTag cipher and authentication tag.
* @return decrypted plain text.
*
* @throws CryptoFailedException if decryption using AES key fails.
*/
static String decryptMessageElement(OmemoElement element, CipherAndAuthTag cipherAndAuthTag)

64
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoService.java
View file

@ -98,6 +98,7 @@ import org.jxmpp.jid.Jid;
* @param <T_ECPub> Elliptic Curve PublicKey class
* @param <T_Bundle> Bundle class
* @param <T_Ciph> Cipher class
*
* @author Paul Schaub
*/
public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess, T_Addr, T_ECPub, T_Bundle, T_Ciph>
@ -107,22 +108,18 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
private static final long MILLIS_PER_HOUR = 1000L * 60 * 60;
/**
* This is a singleton.
*/
private static OmemoService<?, ?, ?, ?, ?, ?, ?, ?, ?> INSTANCE;
private OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess, T_Addr, T_ECPub, T_Bundle, T_Ciph> omemoStore;
private final HashMap<OmemoManager, OmemoRatchet<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess, T_Addr, T_ECPub, T_Bundle, T_Ciph>> omemoRatchets = new HashMap<>();
/**
* Create a new OmemoService object. This should only happen once.
*/
protected OmemoService() {
}
/**
* Return the singleton instance of this class. When no instance is set, throw an IllegalStateException instead.
*
* @return instance.
*/
public static OmemoService<?, ?, ?, ?, ?, ?, ?, ?, ?> getInstance() {
@ -229,9 +226,10 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
}
/**
* Initialize OMEMO functionality for OmemoManager omemoManager.
* Initialize OMEMO functionality for the given {@link OmemoManager}.
*
* @param managerGuard OmemoManager we'd like to initialize.
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws CorruptedOmemoKeyException if the OMEMO key is corrupted.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
@ -272,6 +270,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param managerGuard Logged in OmemoManager
* @param contactsDevice OmemoDevice of the contact
* @return ratchet update message
*
* @throws NoSuchAlgorithmException if AES algorithms are not supported on this system.
* @throws InterruptedException if the calling thread was interrupted.
* @throws SmackException.NoResponseException if there was no response from the remote entity.
@ -434,6 +433,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Decrypt an OMEMO message.
*
* @param managerGuard authenticated OmemoManager.
* @param senderJid BareJid of the sender.
* @param omemoElement omemoElement.
@ -456,7 +456,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
CipherAndAuthTag cipherAndAuthTag = getOmemoRatchet(manager)
.retrieveMessageKeyAndAuthTag(senderDevice, omemoElement);
// Retrieve senders fingerprint. TODO: Find a way to do this without the store.
// Retrieve senders fingerprint.
OmemoFingerprint senderFingerprint;
try {
senderFingerprint = getOmemoStoreBackend().getFingerprint(manager.getOwnDevice(), senderDevice);
@ -483,13 +483,15 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Create an OMEMO KeyTransportElement.
*
* @see <a href="https://xmpp.org/extensions/xep-0384.html#usecases-keysend">XEP-0384: Sending a key</a>.
*
* @param managerGuard Initialized OmemoManager.
* @param contactsDevices set of recipient devices.
* @param key AES-Key to be transported.
* @param iv initialization vector to be used with the key.
* @return KeyTransportElement TODO javadoc me please
*
* @return a new key transport element
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws UndecidedOmemoIdentityException if the list of recipients contains an undecided device
@ -577,9 +579,11 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Publish the given OMEMO bundle to the server using PubSub.
*
* @param connection our connection.
* @param userDevice our device
* @param bundle the bundle we want to publish
*
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.
* @throws InterruptedException if the calling thread was interrupted.
@ -598,7 +602,8 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param connection authenticated XMPP connection.
* @param contact BareJid of the contact of which we want to retrieve the device list from.
* @return
* @return device list
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws PubSubException.NotALeafNodeException if a PubSub leaf node operation was attempted on a non-leaf node.
* @throws SmackException.NoResponseException if there was no response from the remote entity.
@ -629,8 +634,10 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Publish the given device list to the server.
*
* @param connection authenticated XMPP connection.
* @param deviceList users deviceList.
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.
@ -645,9 +652,11 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
}
/**
* Refresh our own device list and publish it to the server.
*
* @param connection XMPPConnection
* @param userDevice our OMEMO device
*
* @param connection TODO javadoc me please
* @param userDevice TODO javadoc me please
* @throws InterruptedException if the calling thread was interrupted.
* @throws PubSubException.NotALeafNodeException if a PubSub leaf node operation was attempted on a non-leaf node.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
@ -694,8 +703,9 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Add our load the deviceList of the user from cache, delete stale devices if needed, add the users device
* back if necessary, store the refurbished list in cache and return it.
*
* @param userDevice TODO javadoc me please
* @return
* @param userDevice our own OMEMO device
* @return cleaned device list
*
* @throws IOException if an I/O error occurred.
*/
OmemoCachedDeviceList cleanUpDeviceList(OmemoDevice userDevice) throws IOException {
@ -759,6 +769,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param connection authenticated XMPP connection
* @param userDevice our OmemoDevice
* @param contactsDevice OmemoDevice of a contact.
*
* @throws CannotEstablishOmemoSessionException if we cannot establish a session (because of missing bundle etc.)
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.
* @throws InterruptedException if the calling thread was interrupted.
@ -795,6 +806,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Build sessions with all devices from the set, we don't have a session with yet.
* Return the set of all devices we have a session with afterwards.
*
* @param connection authenticated XMPP connection
* @param userDevice our OmemoDevice
* @param devices set of devices we may want to build a session with if necessary
@ -842,6 +854,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param callback OmemoTrustCallback to query the trust decisions from
* @param devices set of OmemoDevices
* @return set of OmemoDevices which contains all devices from the set devices, which are undecided
*
* @throws IOException if an I/O error occurred.
*/
private Set<OmemoDevice> getUndecidedDevices(OmemoDevice userDevice, OmemoTrustCallback callback, Set<OmemoDevice> devices) throws IOException {
@ -853,7 +866,6 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
try {
fingerprint = getOmemoStoreBackend().getFingerprint(userDevice, device);
} catch (CorruptedOmemoKeyException | NoIdentityKeyException e) {
// TODO: Best solution?
LOGGER.log(Level.WARNING, "Could not load fingerprint of " + device, e);
undecidedDevices.add(device);
continue;
@ -873,6 +885,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param userDevice our OmemoDevice.
* @param contactsDevice OmemoDevice of the contact.
* @return true if userDevice has session with contactsDevice.
*
* @throws IOException if an I/O error occurred.
*/
private boolean hasSession(OmemoDevice userDevice, OmemoDevice contactsDevice) throws IOException {
@ -885,6 +898,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param omemoManager our OmemoManager
* @param contactsBundle bundle of the contact
* @param contactsDevice OmemoDevice of the contact
*
* @throws CorruptedOmemoKeyException if the OMEMO key is corrupted.
*/
protected abstract void processBundle(OmemoManager omemoManager,
@ -897,6 +911,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param userDevice our OmemoDevice
* @return true if rotation is necessary
*
* @throws IOException if an I/O error occurred.
*/
private boolean shouldRotateSignedPreKey(OmemoDevice userDevice) throws IOException {
@ -922,10 +937,11 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* This method ignores {@link OmemoConfiguration#getDeleteStaleDevices()}!
*
* In this case, a stale device is one of our devices, from which we haven't received an OMEMO message from
* for more than {@link OmemoConfiguration#DELETE_STALE_DEVICE_AFTER_HOURS} hours.
* for more than {@link OmemoConfiguration#getDeleteStaleDevicesAfterHours()} hours.
*
* @param userDevice our OmemoDevice
* @return our altered deviceList with stale devices marked as inactive.
*
* @throws IOException if an I/O error occurred.
*/
private OmemoCachedDeviceList deleteStaleDevices(OmemoDevice userDevice) throws IOException {
@ -946,6 +962,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param contact subjects BareJid.
* @param contactsDeviceList subjects deviceList.
* @return copy of subjects deviceList with stale devices marked as inactive.
*
* @throws IOException if an I/O error occurred.
*/
private OmemoCachedDeviceList removeStaleDevicesFromDeviceList(OmemoDevice userDevice,
@ -1001,7 +1018,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param lastReceipt date of last received message from that device
* @param maxAgeHours threshold
*
* @return staleness TODO javadoc me please
* @return true if the subject device is considered stale
*/
static boolean isStale(OmemoDevice userDevice, OmemoDevice subject, Date lastReceipt, int maxAgeHours) {
if (userDevice.equals(subject)) {
@ -1042,7 +1059,8 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param managerGuard authenticated OmemoManager.
* @param mamQuery Mam archive query
* @return list of {@link MessageOrOmemoMessage}s.
* @return list of {@link MessageOrOmemoMessage MessageOrOmemoMessages}.
*
* @throws IOException if an I/O error occurred.
*/
List<MessageOrOmemoMessage> decryptMamQueryResult(OmemoManager.LoggedInOmemoManager managerGuard,
@ -1221,6 +1239,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param stanza stanza
* @param managerGuard authenticated OmemoManager
* @return decrypted OmemoMessage or null
*
* @throws IOException if an I/O error occurred.
*/
OmemoMessage.Received decryptStanza(Stanza stanza, OmemoManager.LoggedInOmemoManager managerGuard) throws IOException {
@ -1302,6 +1321,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param managerGuard authenticated OmemoManager.
* @param brokenDevice device which session broke.
*
* @throws IOException if an I/O error occurred.
*/
private void repairBrokenSessionWithPreKeyMessage(OmemoManager.LoggedInOmemoManager managerGuard,
@ -1326,8 +1346,10 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Send an empty OMEMO message to contactsDevice in order to forward the ratchet.
* @param managerGuard TODO javadoc me please
* @param contactsDevice TODO javadoc me please
*
* @param managerGuard OMEMO manager
* @param contactsDevice contacts OMEMO device
*
* @throws CorruptedOmemoKeyException if our or their OMEMO key is corrupted.
* @throws InterruptedException if the calling thread was interrupted.
* @throws SmackException.NoResponseException if there was no response from the remote entity.
@ -1355,6 +1377,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Return the joined MUC with EntityBareJid jid, or null if its not a room and/or not joined.
*
* @param connection xmpp connection
* @param jid jid (presumably) of the MUC
* @return MultiUserChat or null if not a MUC.
@ -1378,6 +1401,7 @@ public abstract class OmemoService<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Publish a new DeviceList with just our device in it.
*
* @param managerGuard authenticated OmemoManager.
*
* @throws InterruptedException if the calling thread was interrupted.
* @throws XMPPException.XMPPErrorException if there was an XMPP error returned.
* @throws SmackException.NotConnectedException if the XMPP connection is not connected.

55
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/OmemoStore.java
View file

@ -53,6 +53,7 @@ import org.jxmpp.jid.BareJid;
* @param <T_ECPub> Elliptic Curve PublicKey class
* @param <T_Bundle> Bundle class
* @param <T_Ciph> Cipher class
*
* @author Paul Schaub
*/
public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess, T_Addr, T_ECPub, T_Bundle, T_Ciph> {
@ -68,6 +69,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Returns a sorted set of all the deviceIds, the localUser has had data stored under in the store.
* Basically this returns the deviceIds of all "accounts" of localUser, which are known to the store.
*
* @param localUser BareJid of the user.
* @return set of deviceIds with available data.
*/
@ -79,6 +81,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our current device.
* @param id deviceId to check for.
* @return true if list did not contain our id, else false
*
* @throws IOException if an I/O error occurred.
*/
boolean isAvailableDeviceId(OmemoDevice userDevice, int id) throws IOException {
@ -103,6 +106,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contact Contact we received the list from.
* @param list List we received.
*
* @throws IOException if an I/O error occurred.
*/
OmemoCachedDeviceList mergeCachedDeviceList(OmemoDevice userDevice, BareJid contact, OmemoDeviceListElement list) throws IOException {
@ -133,6 +137,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* The old signed PreKey should be kept for around a month or so (look it up in the XEP).
*
* @param userDevice our OmemoDevice.
*
* @throws CorruptedOmemoKeyException when our identityKey is invalid.
* @throws IOException if an I/O error occurred.
* @throws IllegalStateException when our IdentityKeyPair is null.
@ -163,6 +168,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* Remove the oldest signedPreKey until there are only MAX_NUMBER_OF_STORED_SIGNED_PREKEYS left.
*
* @param userDevice our OmemoDevice.
*
* @throws IOException if an I/O error occurred.
*/
private void removeOldSignedPreKeys(OmemoDevice userDevice) throws IOException {
@ -184,7 +190,8 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* Pack a OmemoBundleElement containing our key material.
*
* @param userDevice our OmemoDevice.
* @return OmemoBundleElement TODO javadoc me please
* @return OMEMO bundle element
*
* @throws CorruptedOmemoKeyException when a key could not be loaded
* @throws IOException if an I/O error occurred.
*/
@ -205,7 +212,9 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Replenish our supply of keys. If we are missing any type of keys, generate them fresh.
* @param userDevice TODO javadoc me please
*
* @param userDevice our own OMEMO device
*
* @throws CorruptedOmemoKeyException if the OMEMO key is corrupted.
* @throws IOException if an I/O error occurred.
*/
@ -238,7 +247,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Generate a new IdentityKeyPair. We should always have only one pair and usually keep this for a long time.
*
* @return identityKeyPair TODO javadoc me please
* @return a fresh identityKeyPair
*/
public T_IdKeyPair generateOmemoIdentityKeyPair() {
return keyUtil().generateOmemoIdentityKeyPair();
@ -249,7 +258,8 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* Return null, if we have no identityKeyPair.
*
* @param userDevice our OmemoDevice.
* @return identityKeyPair TODO javadoc me please
* @return loaded identityKeyPair
*
* @throws CorruptedOmemoKeyException Thrown, if the stored key is damaged (*hands up* not my fault!)
* @throws IOException if an I/O error occurred.
*/
@ -262,12 +272,14 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @param identityKeyPair identityKeyPair
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeOmemoIdentityKeyPair(OmemoDevice userDevice, T_IdKeyPair identityKeyPair) throws IOException;
/**
* Remove the identityKeyPair of a user.
*
* @param userDevice our device.
*/
public abstract void removeOmemoIdentityKeyPair(OmemoDevice userDevice);
@ -277,7 +289,8 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @param contactsDevice the device of which we want to load the identityKey.
* @return identityKey TODO javadoc me please
* @return loaded identityKey
*
* @throws CorruptedOmemoKeyException when the key in question is corrupted and cant be deserialized.
* @throws IOException if an I/O error occurred.
*/
@ -290,6 +303,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contactsDevice device.
* @param contactsKey identityKey belonging to the contactsDevice.
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeOmemoIdentityKey(OmemoDevice userDevice, OmemoDevice contactsDevice, T_IdKey contactsKey) throws IOException;
@ -309,6 +323,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our omemoDevice.
* @param contactsDevice device of which we want to set the message counter.
* @param counter counter value.
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeOmemoMessageCounter(OmemoDevice userDevice, OmemoDevice contactsDevice, int counter) throws IOException;
@ -321,6 +336,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our omemoDevice
* @param contactsDevice device of which we want to get the message counter.
* @return counter value.
*
* @throws IOException if an I/O error occurred.
*/
public abstract int loadOmemoMessageCounter(OmemoDevice userDevice, OmemoDevice contactsDevice) throws IOException;
@ -331,6 +347,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice omemoManager of our device.
* @param contactsDevice device in question
* @param date date of the last received message
*
* @throws IOException if an I/O error occurred.
*/
public abstract void setDateOfLastReceivedMessage(OmemoDevice userDevice, OmemoDevice contactsDevice, Date date) throws IOException;
@ -341,6 +358,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contactsDevice device in question
* @return date if existent, null
*
* @throws IOException if an I/O error occurred.
*/
public abstract Date getDateOfLastReceivedMessage(OmemoDevice userDevice, OmemoDevice contactsDevice) throws IOException;
@ -352,6 +370,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice
* @param contactsDevice OmemoDevice in question
* @param date date of the last publication after not being published
*
* @throws IOException if an I/O error occurred.
*/
public abstract void setDateOfLastDeviceIdPublication(OmemoDevice userDevice, OmemoDevice contactsDevice, Date date) throws IOException;
@ -363,6 +382,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice
* @param contactsDevice OmemoDevice in question
* @return date of the last publication after not being published
*
* @throws IOException if an I/O error occurred.
*/
public abstract Date getDateOfLastDeviceIdPublication(OmemoDevice userDevice, OmemoDevice contactsDevice) throws IOException;
@ -372,6 +392,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @param date date
*
* @throws IOException if an I/O error occurred.
*/
public abstract void setDateOfLastSignedPreKeyRenewal(OmemoDevice userDevice, Date date) throws IOException;
@ -381,6 +402,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @return date if existent, otherwise null
*
* @throws IOException if an I/O error occurred.
*/
public abstract Date getDateOfLastSignedPreKeyRenewal(OmemoDevice userDevice) throws IOException;
@ -403,6 +425,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param preKeyId id of the key to be loaded
* @return loaded preKey
*
* @throws IOException if an I/O error occurred.
*/
public abstract T_PreKey loadOmemoPreKey(OmemoDevice userDevice, int preKeyId) throws IOException;
@ -413,6 +436,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param preKeyId id of the key
* @param preKey key
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeOmemoPreKey(OmemoDevice userDevice, int preKeyId, T_PreKey preKey) throws IOException;
@ -422,6 +446,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @param preKeyHashMap HashMap of preKeys
*
* @throws IOException if an I/O error occurred.
*/
public void storeOmemoPreKeys(OmemoDevice userDevice, TreeMap<Integer, T_PreKey> preKeyHashMap) throws IOException {
@ -444,6 +469,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @return Map containing our preKeys
*
* @throws IOException if an I/O error occurred.
*/
public abstract TreeMap<Integer, T_PreKey> loadOmemoPreKeys(OmemoDevice userDevice) throws IOException;
@ -453,7 +479,8 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @param signedPreKeyId id of the key
* @return key TODO javadoc me please
* @return loaded signed preKey
*
* @throws IOException if an I/O error occurred.
*/
public abstract T_SigPreKey loadOmemoSignedPreKey(OmemoDevice userDevice, int signedPreKeyId) throws IOException;
@ -467,6 +494,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param userDevice our OmemoDevice.
* @return HashMap of our singedPreKeys
*
* @throws IOException if an I/O error occurred.
*/
public abstract TreeMap<Integer, T_SigPreKey> loadOmemoSignedPreKeys(OmemoDevice userDevice) throws IOException;
@ -476,7 +504,8 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param identityKeyPair identityKeyPair used to sign the preKey
* @param signedPreKeyId id that the preKey will have
* @return signedPreKey TODO javadoc me please
* @return a fresh signedPreKey
*
* @throws CorruptedOmemoKeyException when something goes wrong
*/
public T_SigPreKey generateOmemoSignedPreKey(T_IdKeyPair identityKeyPair, int signedPreKeyId)
@ -490,6 +519,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param signedPreKeyId id of the signedPreKey
* @param signedPreKey the key itself
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeOmemoSignedPreKey(OmemoDevice userDevice, int signedPreKeyId, T_SigPreKey signedPreKey) throws IOException;
@ -508,6 +538,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contactsDevice device whose session we want to load
* @return crypto related session
*
* @throws IOException if an I/O error occurred.
*/
public abstract T_Sess loadRawSession(OmemoDevice userDevice, OmemoDevice contactsDevice) throws IOException;
@ -518,6 +549,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contact BareJid of the contact we want to get all sessions from
* @return TreeMap of deviceId and sessions of the contact
*
* @throws IOException if an I/O error occurred.
*/
public abstract HashMap<Integer, T_Sess> loadAllRawSessionsOf(OmemoDevice userDevice, BareJid contact) throws IOException;
@ -528,6 +560,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contactsDevice OmemoDevice whose session we want to store
* @param session session
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeRawSession(OmemoDevice userDevice, OmemoDevice contactsDevice, T_Sess session) throws IOException;
@ -564,6 +597,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contact contact we want to get the deviceList of
* @return CachedDeviceList of the contact
*
* @throws IOException if an I/O error occurred.
*/
public abstract OmemoCachedDeviceList loadCachedDeviceList(OmemoDevice userDevice, BareJid contact) throws IOException;
@ -571,8 +605,9 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Load a list of deviceIds from our own devices.
*
* @param userDevice TODO javadoc me please
* @param userDevice our own OMEMO device
* @return the cached OMEMO device list.
*
* @throws IOException if an I/O error occurred.
*/
public OmemoCachedDeviceList loadCachedDeviceList(OmemoDevice userDevice) throws IOException {
@ -586,6 +621,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contact Contact
* @param contactsDeviceList list of the contacts devices' ids.
*
* @throws IOException if an I/O error occurred.
*/
public abstract void storeCachedDeviceList(OmemoDevice userDevice,
@ -632,6 +668,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param userDevice our OmemoDevice.
* @param contactsDevice OmemoDevice we want to have the fingerprint for.
* @return fingerprint of the userDevices IdentityKey.
*
* @throws CorruptedOmemoKeyException if the IdentityKey is corrupted.
* @throws NoIdentityKeyException if no IdentityKey for contactsDevice has been found locally.
* @throws IOException if an I/O error occurred.
@ -652,7 +689,7 @@ public abstract class OmemoStore<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
*
* @param managerGuard authenticated OmemoManager
* @param contactsDevice OmemoDevice we want to get the fingerprint from
* @return fingerprint TODO javadoc me please
* @return fingerprint of the contacts OMEMO device
*
* @throws CannotEstablishOmemoSessionException If we have no local copy of the identityKey of the contact
* and are unable to build a fresh session

18
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/element/OmemoBundleElement.java
View file

@ -158,7 +158,7 @@ public abstract class OmemoBundleElement implements ExtensionElement {
* Return the HashMap of preKeys in the bundle.
* The map uses the preKeys ids as key and the preKeys as value.
*
* @return preKeys TODO javadoc me please
* @return preKeys Pre-Keys contained in the bundle
*/
public HashMap<Integer, byte[]> getPreKeys() {
if (preKeys == null) {
@ -209,15 +209,17 @@ public abstract class OmemoBundleElement implements ExtensionElement {
@Override
public String toString() {
String out = "OmemoBundleElement[\n";
out += SIGNED_PRE_KEY_PUB + " " + SIGNED_PRE_KEY_ID + "=" + signedPreKeyId + ": " + signedPreKeyB64 + "\n";
out += SIGNED_PRE_KEY_SIG + ": " + signedPreKeySignatureB64 + "\n";
out += IDENTITY_KEY + ": " + identityKeyB64 + "\n";
out += PRE_KEYS + " (" + preKeysB64.size() + ")\n";
StringBuilder sb = new StringBuilder("OmemoBundleElement[\n");
sb.append(SIGNED_PRE_KEY_PUB).append(' ').append(SIGNED_PRE_KEY_ID).append('=').append(signedPreKeyId)
.append(':').append(signedPreKeyB64).append('\n')
.append(SIGNED_PRE_KEY_SIG).append(": ").append(signedPreKeySignatureB64).append('\n')
.append(IDENTITY_KEY).append(": ").append(identityKeyB64).append('\n')
.append(PRE_KEYS).append(" (").append(preKeysB64.size()).append(")\n");
for (Map.Entry<Integer, String> e : preKeysB64.entrySet()) {
out += PRE_KEY_PUB + " " + PRE_KEY_ID + "=" + e.getKey() + ": " + e.getValue() + "\n";
sb.append(PRE_KEY_PUB).append(' ').append(PRE_KEY_ID).append('=').append(e.getKey()).append(": ").append(e.getValue()).append('\n');
}
return out;
sb.append(']');
return sb.toString();
}
@Override

5
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/element/OmemoBundleElement_VAxolotl.java
View file

@ -21,8 +21,9 @@ import static org.jivesoftware.smackx.omemo.util.OmemoConstants.OMEMO_NAMESPACE_
import java.util.HashMap;
/**
* OMEMO device bundle as described here:
* https://xmpp.org/extensions/xep-0384.html#usecases-announcing (Example 3).
* OMEMO device bundle as described by the protocol.
*
* @see <a href="https://xmpp.org/extensions/xep-0384.html#usecases-announcing">XEP-0384: OMEMO Encryption (Example 3)</a>.
*
* @author Paul Schaub
*/

11
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/element/OmemoDeviceListElement.java
View file

@ -18,6 +18,7 @@ package org.jivesoftware.smackx.omemo.element;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.jivesoftware.smack.packet.ExtensionElement;
@ -78,10 +79,14 @@ public abstract class OmemoDeviceListElement implements ExtensionElement {
@Override
public final String toString() {
String out = "OmemoDeviceListElement[";
StringBuilder sb = new StringBuilder("OmemoDeviceListElement[");
Iterator<Integer> iterator = deviceIds.iterator();
for (int i : deviceIds) {
out += i + ",";
sb.append(i);
if (iterator.hasNext()) {
sb.append(',');
}
return out.substring(0, out.length() - 1) + "]";
}
return sb.append(']').toString();
}
}

2
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/element/OmemoElement.java
View file

@ -55,7 +55,7 @@ public abstract class OmemoElement implements ExtensionElement {
/**
* Return the payload of the message.
*
* @return payload TODO javadoc me please
* @return encrypted payload of the message.
*/
public byte[] getPayload() {
if (payload == null) {

3
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/exceptions/CannotEstablishOmemoSessionException.java
View file

@ -79,7 +79,8 @@ public class CannotEstablishOmemoSessionException extends Exception {
/**
* Return true, if there is at least one recipient, which would not be able to decipher the message on any of
* their devices.
* @return boolean TODO javadoc me please
*
* @return true if the exception requires to be thrown
*/
public boolean requiresThrowing() {
for (Map.Entry<BareJid, HashMap<OmemoDevice, Throwable>> entry : failures.entrySet()) {

3
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/exceptions/MultipleCryptoFailedException.java
View file

@ -22,9 +22,6 @@ import java.util.List;
public final class MultipleCryptoFailedException extends CryptoFailedException {
/**
*
*/
private static final long serialVersionUID = 1L;
private final List<CryptoFailedException> cryptoFailedExceptions;

3
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/exceptions/ReadOnlyDeviceException.java
View file

@ -44,7 +44,8 @@ public class ReadOnlyDeviceException extends Exception {
/**
* Return the device in question.
* @return device TODO javadoc me please
*
* @return device that is read-only.
*/
public OmemoDevice getDevice() {
return device;

7
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/exceptions/StaleDeviceException.java
View file

@ -31,8 +31,8 @@ public class StaleDeviceException extends Exception {
* This exception gets thrown if a message cannot be encrypted for a device due to the device being inactive for too long (stale).
*
* @param device OmemoDevice.
* @param lastMessageDate TODO javadoc me please
* @param lastDeviceIdPublicationDate TODO javadoc me please
* @param lastMessageDate date of the last received message from the device.
* @param lastDeviceIdPublicationDate date on which the device ID was last published via pubsub.
*/
public StaleDeviceException(OmemoDevice device, Date lastMessageDate, Date lastDeviceIdPublicationDate) {
this.device = device;
@ -42,6 +42,7 @@ public class StaleDeviceException extends Exception {
/**
* Return the date on which the last OMEMO message sent from the device was received.
*
* @return last messages date
*/
public Date getLastMessageDate() {
@ -50,6 +51,7 @@ public class StaleDeviceException extends Exception {
/**
* Return the date of the last time the deviceId was republished after being inactive/non-existent before.
*
* @return date of last deviceId (re)publication.
*/
public Date getLastDeviceIdPublicationDate() {
@ -58,6 +60,7 @@ public class StaleDeviceException extends Exception {
/**
* Return the stale OMEMO device.
*
* @return stale device
*/
public OmemoDevice getDevice() {

1
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/exceptions/UntrustedOmemoIdentityException.java
View file

@ -56,6 +56,7 @@ public class UntrustedOmemoIdentityException extends Exception {
/**
* Return the device which sent the message.
*
* @return omemoDevice.
*/
public OmemoDevice getDevice() {

4
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/internal/CiphertextTuple.java
View file

@ -41,7 +41,7 @@ public class CiphertextTuple {
/**
* Return the ciphertext.
*
* @return ciphertext TODO javadoc me please
* @return ciphertext part of the tuple
*/
public byte[] getCiphertext() {
return ciphertext;
@ -50,7 +50,7 @@ public class CiphertextTuple {
/**
* Return the messageType.
*
* @return messageType TODO javadoc me please
* @return type of the message
*/
public int getMessageType() {
return this.messageType;

4
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/internal/OmemoDevice.java
View file

@ -43,7 +43,7 @@ public class OmemoDevice {
/**
* Return the BareJid of the device owner.
*
* @return bareJid TODO javadoc me please
* @return bare JID of the device owner.
*/
public BareJid getJid() {
return this.jid;
@ -52,7 +52,7 @@ public class OmemoDevice {
/**
* Return the OMEMO device Id of the device.
*
* @return deviceId TODO javadoc me please
* @return OMEMO device ID.
*/
public int getDeviceId() {
return this.deviceId;

2
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/listener/OmemoMucMessageListener.java
View file

@ -23,12 +23,14 @@ import org.jivesoftware.smackx.omemo.OmemoMessage;
/**
* Listener interface that allows implementations to receive decrypted OMEMO MUC messages.
*
* @author Paul Schaub
*/
public interface OmemoMucMessageListener {
/**
* Gets called whenever an OMEMO message has been received in a MultiUserChat and successfully decrypted.
*
* @param muc MultiUserChat the message was sent in
* @param stanza Original Stanza
* @param decryptedOmemoMessage decrypted Omemo message

15
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/trust/TrustState.java
View file

@ -17,7 +17,16 @@
package org.jivesoftware.smackx.omemo.trust;
public enum TrustState {
undecided, // User has yet to decide, whether the identity is trusted or not.
untrusted, // User decided NOT to trust this device.
trusted // User decided to trust this device.
/**
* User has yet to decide, whether the identity is trusted or not.
*/
undecided,
/**
* User decided NOT to trust this device.
*/
untrusted,
/**
* User decided to trust this device.
*/
trusted
}

2
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/util/OmemoConstants.java
View file

@ -18,11 +18,11 @@ package org.jivesoftware.smackx.omemo.util;
/**
* Some constants related to OMEMO.
*
* @author Paul Schaub
*/
public final class OmemoConstants {
// Constants
/**
* Omemo related namespace.
*/

32
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/util/OmemoKeyUtil.java
View file

@ -55,7 +55,8 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Extract an IdentityKey from a OmemoBundleElement.
*
* @param bundle OmemoBundleElement
* @return identityKey TODO javadoc me please
* @return identityKey of the bundle
*
* @throws CorruptedOmemoKeyException if the key is damaged/malformed
*/
public T_IdKey identityKey(OmemoBundleElement bundle) throws CorruptedOmemoKeyException {
@ -66,7 +67,8 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Extract a signedPreKey from an OmemoBundleElement.
*
* @param bundle OmemoBundleElement
* @return singedPreKey TODO javadoc me please
* @return signed preKey
*
* @throws CorruptedOmemoKeyException if the key is damaged/malformed
*/
public T_ECPub signedPreKeyPublic(OmemoBundleElement bundle) throws CorruptedOmemoKeyException {
@ -77,7 +79,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Extract the id of the transported signedPreKey from the bundle.
*
* @param bundle OmemoBundleElement
* @return signedPreKeyId TODO javadoc me please
* @return id of the signed preKey
*/
public int signedPreKeyId(OmemoBundleElement bundle) {
return bundle.getSignedPreKeyId();
@ -87,7 +89,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Extract the signature of the signedPreKey in the bundle as a byte array.
*
* @param bundle OmemoBundleElement
* @return signature TODO javadoc me please
* @return signature on the signed preKey
*/
public byte[] signedPreKeySignature(OmemoBundleElement bundle) {
return bundle.getSignedPreKeySignature();
@ -99,6 +101,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param bundle OmemoBundleElement
* @param keyId id of the preKey
* @return the preKey
*
* @throws CorruptedOmemoKeyException when the key cannot be parsed from bytes
*/
public T_ECPub preKeyPublic(OmemoBundleElement bundle, int keyId) throws CorruptedOmemoKeyException {
@ -113,6 +116,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param bundle OmemoBundleElement containing multiple PreKeys
* @param contact Contact that the bundle belongs to
* @return a HashMap with one T_Bundle per preKey and the preKeyId as key
*
* @throws CorruptedOmemoKeyException when one of the keys cannot be parsed
*/
public HashMap<Integer, T_Bundle> bundles(OmemoBundleElement bundle, OmemoDevice contact) throws CorruptedOmemoKeyException {
@ -136,6 +140,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param data byte array
* @return IdentityKeyPair (T_IdKeyPair)
*
* @throws CorruptedOmemoKeyException if the key is damaged of malformed
*/
public abstract T_IdKeyPair identityKeyPairFromBytes(byte[] data) throws CorruptedOmemoKeyException;
@ -145,6 +150,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param data byte array
* @return identityKey (T_IdKey)
*
* @throws CorruptedOmemoKeyException if the key is damaged or malformed
*/
public abstract T_IdKey identityKeyFromBytes(byte[] data) throws CorruptedOmemoKeyException;
@ -153,7 +159,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Serialize an identityKey into bytes.
*
* @param identityKey idKey
* @return bytes TODO javadoc me please
* @return byte array representation of the identity key.
*/
public abstract byte[] identityKeyToBytes(T_IdKey identityKey);
@ -162,6 +168,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param data bytes
* @return elliptic curve public key (T_ECPub)
*
* @throws CorruptedOmemoKeyException if the key is damaged or malformed
*/
public abstract T_ECPub ellipticCurvePublicKeyFromBytes(byte[] data) throws CorruptedOmemoKeyException;
@ -170,7 +177,8 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Deserialize a public preKey from bytes.
*
* @param data preKey as bytes
* @return preKey TODO javadoc me please
* @return deserialized preKey
*
* @throws CorruptedOmemoKeyException if the key is damaged or malformed
*/
public T_ECPub preKeyPublicFromBytes(byte[] data) throws CorruptedOmemoKeyException {
@ -190,6 +198,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param bytes byte array
* @return deserialized preKey
*
* @throws IOException when something goes wrong
*/
public abstract T_PreKey preKeyFromBytes(byte[] bytes) throws IOException;
@ -209,7 +218,8 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param identityKeyPair identityKeyPair used to sign the preKey
* @param signedPreKeyId id that the preKey will have
* @return signedPreKey TODO javadoc me please
* @return deserialized signed preKey
*
* @throws CorruptedOmemoKeyException when the identityKeyPair is invalid
*/
public abstract T_SigPreKey generateOmemoSignedPreKey(T_IdKeyPair identityKeyPair, int signedPreKeyId) throws CorruptedOmemoKeyException;
@ -219,7 +229,8 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* Deserialize a public signedPreKey from bytes.
*
* @param data bytes
* @return signedPreKey TODO javadoc me please
* @return deserialized signed preKey
*
* @throws CorruptedOmemoKeyException if the key is damaged or malformed
*/
public T_ECPub signedPreKeyPublicFromBytes(byte[] data) throws CorruptedOmemoKeyException {
@ -231,6 +242,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param data byte array
* @return deserialized signed preKey
*
* @throws IOException when something goes wrong
*/
public abstract T_SigPreKey signedPreKeyFromBytes(byte[] data) throws IOException;
@ -252,6 +264,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
* @param contact Contact that the bundle belongs to
* @param keyId id of the preKey that will be selected from the OmemoBundleElement and that the PreKeyBundle will contain
* @return PreKeyBundle (T_PreKey)
*
* @throws CorruptedOmemoKeyException if some key is damaged or malformed
*/
public abstract T_Bundle bundleFromOmemoBundle(OmemoBundleElement bundle, OmemoDevice contact, int keyId) throws CorruptedOmemoKeyException;
@ -267,7 +280,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
/**
* Generate a new IdentityKeyPair. We should always have only one pair and usually keep this for a long time.
*
* @return identityKeyPair TODO javadoc me please
* @return deserialized identity key pair
*/
public abstract T_IdKeyPair generateOmemoIdentityKeyPair();
@ -361,6 +374,7 @@ public abstract class OmemoKeyUtil<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey,
*
* @param data bytes
* @return raw OMEMO Session
*
* @throws IOException when something goes wrong
*/
public abstract T_Sess rawSessionFromBytes(byte[] data) throws IOException;

15
smack-omemo/src/main/java/org/jivesoftware/smackx/omemo/util/OmemoMessageBuilder.java
View file

@ -21,15 +21,12 @@ import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.KEYLENGTH
import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.KEYTYPE;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;
import java.util.ArrayList;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
@ -128,7 +125,6 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @throws InvalidKeyException if the key is invalid.
* @throws NoSuchAlgorithmException if no such algorithm is available.
* @throws IllegalBlockSizeException if the input data length is incorrect.
* @throws UnsupportedEncodingException if the encoding is not supported.
* @throws InvalidAlgorithmParameterException if the provided arguments are invalid.
*/
public OmemoMessageBuilder(OmemoDevice userDevice,
@ -136,7 +132,7 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
OmemoRatchet<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_Sess, T_Addr, T_ECPub, T_Bundle, T_Ciph> ratchet,
String message)
throws NoSuchPaddingException, BadPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException,
UnsupportedEncodingException, InvalidAlgorithmParameterException {
InvalidAlgorithmParameterException {
this(userDevice, callback, ratchet, generateKey(KEYTYPE, KEYLENGTH), generateIv(), message);
}
@ -144,11 +140,12 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* Encrypt the message with the aes key.
* Move the AuthTag from the end of the cipherText to the end of the messageKey afterwards.
* This prevents an attacker which compromised one recipient device to switch out the cipherText for other recipients.
*
* @see <a href="https://conversations.im/omemo/audit.pdf">OMEMO security audit</a>.
*
* @param message plaintext message
*
* @throws NoSuchPaddingException if the requested padding mechanism is not availble.
* @throws NoSuchProviderException
* @throws InvalidAlgorithmParameterException if the provided arguments are invalid.
* @throws InvalidKeyException if the key is invalid.
* @throws BadPaddingException if the input data is not padded properly.
@ -215,6 +212,7 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* Add a new recipient device to the message.
*
* @param contactsDevice device of the recipient
*
* @throws NoIdentityKeyException if we have no identityKey of that device. Can be fixed by fetching and
* processing the devices bundle.
* @throws CorruptedOmemoKeyException if the identityKey of that device is corrupted.
@ -248,7 +246,7 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Assemble an OmemoMessageElement from the current state of the builder.
*
* @return OmemoMessageElement TODO javadoc me please
* @return OMEMO element
*/
public OmemoElement finish() {
OmemoHeaderElement_VAxolotl header = new OmemoHeaderElement_VAxolotl(
@ -265,6 +263,7 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
* @param keyType Key Type
* @param keyLength Key Length in bit
* @return new AES key
*
* @throws NoSuchAlgorithmException if no such algorithm is available.
*/
public static byte[] generateKey(String keyType, int keyLength) throws NoSuchAlgorithmException {
@ -276,7 +275,7 @@ public class OmemoMessageBuilder<T_IdKeyPair, T_IdKey, T_PreKey, T_SigPreKey, T_
/**
* Generate a 12 byte initialization vector for AES encryption.
*
* @return iv initialization vector
* @return initialization vector
*/
public static byte[] generateIv() {
SecureRandom random = new SecureRandom();