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WIP: Add handshake support for outgoing connections.

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This commit is contained in:
akwizgran
2021-04-23 12:17:56 +01:00
parent 741c9b63d9
commit e29a5f487e
6 changed files with 146 additions and 12 deletions
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13
bramble-api/src/main/java/org/briarproject/bramble/api/contact/HandshakeManager.java
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@@ -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;

14
bramble-api/src/main/java/org/briarproject/bramble/api/transport/KeyManager.java
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@@ -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