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Add a key manager method for adding a single set of transport keys.

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This commit is contained in:
akwizgran
2021-05-19 10:42:47 +01:00
parent ee6f571c31
commit 9cc8d44778
2 changed files with 29 additions and 6 deletions
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19
bramble-api/src/main/java/org/briarproject/bramble/api/transport/KeyManager.java
View File

@@ -22,8 +22,23 @@ public interface KeyManager {
/** /**
* Derives and stores a set of rotation mode transport keys for * Derives and stores a set of rotation mode transport keys for
* communicating with the given contact over each transport and returns the * communicating with the given contact over the given transport and
* key set IDs. * returns the key set ID.
* <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
*/
KeySetId addRotationKeys(Transaction txn, ContactId c, TransportId t,
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 supported transport and
* returns the key set IDs.
* <p/> * <p/>
* {@link StreamContext StreamContexts} for the contact can be created * {@link StreamContext StreamContexts} for the contact can be created
* after this method has returned. * after this method has returned.

16
bramble-core/src/main/java/org/briarproject/bramble/transport/KeyManagerImpl.java
View File

@@ -101,9 +101,17 @@ class KeyManagerImpl implements KeyManager, Service, EventListener {
} }
@Override @Override
public Map<TransportId, KeySetId> addRotationKeys( public KeySetId addRotationKeys(Transaction txn, ContactId c,
Transaction txn, ContactId c, SecretKey rootKey, long timestamp, TransportId t, SecretKey rootKey, long timestamp, boolean alice,
boolean alice, boolean active) throws DbException { boolean active) throws DbException {
return withManager(t, m ->
m.addRotationKeys(txn, c, rootKey, timestamp, alice, active));
}
@Override
public Map<TransportId, KeySetId> addRotationKeys(Transaction txn,
ContactId c, SecretKey rootKey, long timestamp, boolean alice,
boolean active) throws DbException {
Map<TransportId, KeySetId> ids = new HashMap<>(); Map<TransportId, KeySetId> ids = new HashMap<>();
for (Entry<TransportId, TransportKeyManager> e : managers.entrySet()) { for (Entry<TransportId, TransportKeyManager> e : managers.entrySet()) {
TransportId t = e.getKey(); TransportId t = e.getKey();
@@ -137,7 +145,7 @@ class KeyManagerImpl implements KeyManager, Service, EventListener {
PendingContactId p, PublicKey theirPublicKey, KeyPair ourKeyPair) PendingContactId p, PublicKey theirPublicKey, KeyPair ourKeyPair)
throws DbException, GeneralSecurityException { throws DbException, GeneralSecurityException {
SecretKey staticMasterKey = transportCrypto SecretKey staticMasterKey = transportCrypto
.deriveStaticMasterKey(theirPublicKey, ourKeyPair); .deriveStaticMasterKey(theirPublicKey, ourKeyPair);
SecretKey rootKey = SecretKey rootKey =
transportCrypto.deriveHandshakeRootKey(staticMasterKey, true); transportCrypto.deriveHandshakeRootKey(staticMasterKey, true);
boolean alice = transportCrypto.isAlice(theirPublicKey, ourKeyPair); boolean alice = transportCrypto.isAlice(theirPublicKey, ourKeyPair);