Merge remote-tracking branch 'origin/social-backup-outgoing-handshake' into social-backup-restore-activity

* origin/social-backup-outgoing-handshake:
  WIP: Add handshake support for outgoing connections.
This commit is contained in:
ameba23
2021-04-25 12:01:18 +02:00
6 changed files with 146 additions and 12 deletions

View File

@@ -24,6 +24,19 @@ public interface HandshakeManager {
HandshakeResult handshake(PendingContactId p, InputStream in,
StreamWriter out) throws DbException, IOException;
/**
* Handshakes with the given contact. Returns an ephemeral master key
* authenticated with both parties' handshake key pairs and a flag
* indicating whether the local peer is Alice or Bob.
*
* @param in An incoming stream for the handshake, which must be secured in
* handshake mode
* @param out An outgoing stream for the handshake, which must be secured
* in handshake mode
*/
HandshakeResult handshake(ContactId c, InputStream in, StreamWriter out)
throws DbException, IOException;
class HandshakeResult {
private final SecretKey masterKey;

View File

@@ -35,6 +35,20 @@ public interface KeyManager {
ContactId c, SecretKey rootKey, long timestamp, boolean alice,
boolean active) throws DbException;
/**
* Derives and stores a set of rotation mode transport keys for
* communicating with the given contact over each transport and returns the
* key set IDs.
* <p/>
* {@link StreamContext StreamContexts} for the contact can be created
* after this method has returned.
*
* @param alice True if the local party is Alice
* @param active Whether the derived keys can be used for outgoing streams
*/
Map<TransportId, KeySetId> addRotationKeys(ContactId c, SecretKey rootKey,
long timestamp, boolean alice, boolean active) throws DbException;
/**
* Informs the key manager that a new contact has been added. Derives and
* stores a set of handshake mode transport keys for communicating with the