Make RendezvousCrypto package-private.

bramble-api/src/main/java/org/briarproject/bramble/api/rendezvous/RendezvousCrypto.java → bramble-core/src/main/java/org/briarproject/bramble/rendezvous/RendezvousCrypto.java

-package org.briarproject.bramble.api.rendezvous;
+package org.briarproject.bramble.rendezvous;
 
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.TransportId;
+import org.briarproject.bramble.api.rendezvous.KeyMaterialSource;
 
 @NotNullByDefault
-public interface RendezvousCrypto {
+interface RendezvousCrypto {
 
 	SecretKey deriveRendezvousKey(SecretKey staticMasterKey);
 

bramble-core/src/main/java/org/briarproject/bramble/rendezvous/RendezvousCryptoImpl.java

@@ -5,7 +5,6 @@ import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.rendezvous.KeyMaterialSource;
-import org.briarproject.bramble.api.rendezvous.RendezvousCrypto;
 
 import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;

bramble-core/src/main/java/org/briarproject/bramble/rendezvous/RendezvousModule.java

@@ -2,7 +2,6 @@ package org.briarproject.bramble.rendezvous;
 
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
-import org.briarproject.bramble.api.rendezvous.RendezvousCrypto;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;

bramble-core/src/main/java/org/briarproject/bramble/rendezvous/RendezvousPollerImpl.java

@@ -33,7 +33,6 @@ import org.briarproject.bramble.api.plugin.event.TransportDisabledEvent;
 import org.briarproject.bramble.api.plugin.event.TransportEnabledEvent;
 import org.briarproject.bramble.api.properties.TransportProperties;
 import org.briarproject.bramble.api.rendezvous.KeyMaterialSource;
-import org.briarproject.bramble.api.rendezvous.RendezvousCrypto;
 import org.briarproject.bramble.api.rendezvous.RendezvousEndpoint;
 import org.briarproject.bramble.api.rendezvous.event.RendezvousFailedEvent;
 import org.briarproject.bramble.api.system.Clock;

bramble-core/src/test/java/org/briarproject/bramble/rendezvous/RendezvousPollerImplTest.java

@@ -19,7 +19,6 @@ import org.briarproject.bramble.api.plugin.event.TransportDisabledEvent;
 import org.briarproject.bramble.api.plugin.event.TransportEnabledEvent;
 import org.briarproject.bramble.api.properties.TransportProperties;
 import org.briarproject.bramble.api.rendezvous.KeyMaterialSource;
-import org.briarproject.bramble.api.rendezvous.RendezvousCrypto;
 import org.briarproject.bramble.api.rendezvous.RendezvousEndpoint;
 import org.briarproject.bramble.api.rendezvous.event.RendezvousFailedEvent;
 import org.briarproject.bramble.api.system.Clock;