Merge branch '1081-share-app-via-wifi-hotspot' into offline-testing

# Conflicts:
#	bramble-api/src/main/java/org/briarproject/bramble/api/FeatureFlags.java
#	bramble-core/build.gradle
#	bramble-core/src/test/java/org/briarproject/bramble/test/BrambleCoreIntegrationTestModule.java
#	bramble-core/witness.gradle
#	bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/UnixTorPluginFactory.java
#	briar-android/src/main/java/org/briarproject/briar/android/AndroidComponent.java
#	briar-android/src/main/java/org/briarproject/briar/android/AppModule.java
#	briar-android/src/main/java/org/briarproject/briar/android/activity/ActivityComponent.java
#	briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java
#	briar-android/src/main/res/values/strings.xml
#	briar-headless/src/main/java/org/briarproject/briar/headless/HeadlessModule.kt
#	briar-headless/src/test/java/org/briarproject/briar/headless/HeadlessTestModule.kt

.gitlab-ci.yml

@@ -33,8 +33,7 @@ test:
   stage: test
   script:
     - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
-    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom :briar-headless:linuxJars
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom check
-    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom compileOfficialDebugAndroidTestSources compileScreenshotDebugAndroidTestSources check
   rules:
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
       when: always

.idea/codeStyles/Project.xml

@@ -31,6 +31,15 @@
       <option name="PACKAGES_TO_USE_STAR_IMPORTS">
         <value />
       </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
+        </value>
+      </option>
       <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="2147483647" />
       <option name="NAME_COUNT_TO_USE_STAR_IMPORT_FOR_MEMBERS" value="2147483647" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
@@ -188,9 +197,9 @@
     </codeStyleSettings>
     <codeStyleSettings language="kotlin">
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-      <indentOptions>
+      <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      <option name="VARIABLE_ANNOTATION_WRAP" value="1" />
-      </indentOptions>
+      <option name="ENUM_CONSTANTS_WRAP" value="1" />
     </codeStyleSettings>
   </code_scheme>
 </component>

.idea/runConfigurations/All_tests.xml

@@ -1,32 +1,21 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.briar-android" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/briar-android" />
-      </option>
-      <option name="taskNames">
-        <list>
-          <option value=":briar-android:testOfficialDebugUnitTest" />
-          <option value=":briar-android:testScreenshotDebugUnitTest" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
     <method v="2">
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-api" run_configuration_type="GradleRunConfiguration" />
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-core" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-api" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-java" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-core" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-android" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-android" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-api" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-java" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-core" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-api" run_configuration_type="AndroidJUnit" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-headless" run_configuration_type="GradleRunConfiguration" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-core" run_configuration_type="AndroidJUnit" />
+      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-headless" run_configuration_type="AndroidJUnit" />
     </method>
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_android.xml

@@ -1,23 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in bramble-android" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in bramble-android" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.bramble-android" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-android" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":bramble-android:testDebugUnitTest" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_api.xml

@@ -1,25 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in bramble-api" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in bramble-api" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.bramble-api" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-api" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":bramble-api:animalSnifferMain" />
-          <option value=":bramble-api:animalSnifferTest" />
-          <option value=":bramble-api:test" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_core.xml

@@ -1,25 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in bramble-core" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in bramble-core" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.bramble-core" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-core" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":bramble-core:animalSnifferMain" />
-          <option value=":bramble-core:animalSnifferTest" />
-          <option value=":bramble-core:test" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_bramble_java.xml

@@ -1,23 +1,15 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in bramble-java" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in bramble-java" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.bramble-java" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="VM_PARAMETERS" value="-ea -Djava.library.path=libs" />
-        <list />
+    <option name="PARAMETERS" value="" />
-      </option>
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-java" />
-      <option name="taskNames">
+    <method v="2">
-        <list>
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-          <option value=":bramble-java:test" />
+    </method>
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_android.xml

@@ -1,24 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in briar-android" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in briar-android" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.briar-android" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":briar-android:testOfficialDebugUnitTest" />
-          <option value=":briar-android:testScreenshotDebugUnitTest" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_api.xml

@@ -1,25 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in briar-api" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in briar-api" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.briar-api" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-api" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":briar-api:animalSnifferMain" />
-          <option value=":briar-api:animalSnifferTest" />
-          <option value=":briar-api:test" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_core.xml

@@ -1,25 +1,14 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in briar-core" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in briar-core" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.briar-core" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="PARAMETERS" value="" />
-        <list />
+    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-core" />
-      </option>
+    <method v="2">
-      <option name="taskNames">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-        <list>
+    </method>
-          <option value=":briar-core:animalSnifferMain" />
-          <option value=":briar-core:animalSnifferTest" />
-          <option value=":briar-core:test" />
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/All_tests_in_briar_headless.xml

@@ -1,23 +1,15 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All tests in briar-headless" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="All tests in briar-headless" type="AndroidJUnit" factoryName="Android JUnit">
-    <ExternalSystemSettings>
+    <module name="briar.briar-headless" />
-      <option name="executionName" />
+    <option name="PACKAGE_NAME" value="org.briarproject.briar.headless" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    <option name="MAIN_CLASS_NAME" value="" />
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="METHOD_NAME" value="" />
-      <option name="scriptParameters" value="" />
+    <option name="TEST_OBJECT" value="package" />
-      <option name="taskDescriptions">
+    <option name="VM_PARAMETERS" />
-        <list />
+    <option name="PARAMETERS" value="" />
-      </option>
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/briar-headless" />
-      <option name="taskNames">
+    <method v="2">
-        <list>
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-          <option value=":briar-headless:test" />
+    </method>
-        </list>
-      </option>
-      <option name="vmOptions" value="" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/BridgeTest.xml

@@ -1,28 +1,24 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="BridgeTest" type="GradleRunConfiguration" factoryName="Gradle">
+  <configuration default="false" name="BridgeTest" type="AndroidJUnit" factoryName="Android JUnit" nameIsGenerated="true">
-    <ExternalSystemSettings>
+    <module name="briar.bramble-java" />
-      <option name="env">
+    <useClassPathOnly />
-        <map>
+    <extension name="coverage">
-          <entry key="OPTIONAL_TESTS" value="org.briarproject.bramble.plugin.tor.BridgeTest" />
+      <pattern>
-        </map>
+        <option name="PATTERN" value="org.briarproject.bramble.plugin.tor.*" />
-      </option>
+        <option name="ENABLED" value="true" />
-      <option name="executionName" />
+      </pattern>
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+    </extension>
-      <option name="externalSystemIdString" value="GRADLE" />
+    <option name="PACKAGE_NAME" value="org.briarproject.bramble.plugin.tor" />
-      <option name="scriptParameters" value="--tests &quot;org.briarproject.bramble.plugin.tor.BridgeTest&quot;" />
+    <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.plugin.tor.BridgeTest" />
-      <option name="taskDescriptions">
+    <option name="METHOD_NAME" value="" />
-        <list />
+    <option name="TEST_OBJECT" value="class" />
-      </option>
+    <option name="PARAMETERS" value="" />
-      <option name="taskNames">
+    <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-        <list>
+    <envs>
-          <option value=":bramble-java:test" />
+      <env name="OPTIONAL_TESTS" value="org.briarproject.bramble.plugin.tor.BridgeTest" />
-        </list>
+    </envs>
-      </option>
+    <method v="2">
-      <option name="vmOptions" value="" />
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
-    </ExternalSystemSettings>
+    </method>
-    <ExternalSystemDebugServerProcess>false</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
   </configuration>
 </component>

.idea/runConfigurations/H2_Performance_Test.xml

@@ -0,0 +1,14 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="H2 Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
+    <module name="briar.bramble-core" />
+    <option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
+    <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.H2DatabasePerformanceTest" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="class" />
+    <option name="PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="" />
+    <method v="2">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
+    </method>
+  </configuration>
+</component>

.idea/runConfigurations/HyperSQL_Performance_Test.xml

@@ -0,0 +1,14 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="HyperSQL Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
+    <module name="briar.bramble-core" />
+    <option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
+    <option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.HyperSqlDatabasePerformanceTest" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="class" />
+    <option name="PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="" />
+    <method v="2">
+      <option name="Android.Gradle.BeforeRunTask" enabled="true" />
+    </method>
+  </configuration>
+</component>

README.md

@@ -1,28 +1 @@
-# Briar
+Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate. Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices. If the Internet's down, Briar can sync via Bluetooth or Wi-Fi, keeping the information flowing in a crisis. If the Internet's up, Briar can sync via the Tor network, protecting users and their relationships from surveillance.
-Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate.
-
-Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices. 
-
-If the Internet's down, Briar can sync via Bluetooth or Wi-Fi, keeping information flowing in a crisis. If the Internet's up, Briar can sync via the Tor network, protecting users and their relationships from surveillance.
-
-## Download Briar
-
-[<img src="https://briarproject.org//img/fdroid_badge.png"  width="240">](https://briarproject.org/fdroid)
-[<img src="https://briarproject.org/img/google_play_badge_web_generic.png"  width="240">](https://play.google.com/store/apps/details?id=org.briarproject.briar.android)
-
-You can also [download the APK file](https://briarproject.org/apk) directly from
-our site.
-
-## Useful links
-[briarproject.org](https://briarproject.org/)
-
-[Source code](https://code.briarproject.org/briar/briar/tree/master)
-
-[Manual](https://briarproject.org/manual/)
-
-[Wiki](https://code.briarproject.org/briar/briar/-/wikis/home)
-
-## Donate
-
-[![Donate using Liberapay](https://briarproject.org/img/liberapay.svg)](https://liberapay.com/Briar/donate) [![Flattr this](https://briarproject.org/img/flattr-badge-large.png "Flattr this")](https://flattr.com/t/592836/)   
-Bitcoin and BCH: 1NZCKkUCtJV2U2Y9hDb9uq8S7ksFCFGR6K

bramble-android/build.gradle

@@ -15,8 +15,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10403
+		versionCode 10305
-		versionName "1.4.3"
+		versionName "1.3.5"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -42,8 +42,8 @@ configurations {
 
 dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
-	tor "org.briarproject:tor-android:$tor_version"
+	tor 'org.briarproject:tor-android:0.3.5.15'
-	tor "org.briarproject:obfs4proxy-android:$obfs4proxy_version@zip"
+	tor 'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a@zip'
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

bramble-android/src/main/java/org/briarproject/bramble/plugin/file/AndroidRemovableDrivePluginFactory.java

@@ -20,7 +20,7 @@ import static org.briarproject.bramble.api.plugin.file.RemovableDriveConstants.I
 public class AndroidRemovableDrivePluginFactory implements
 		SimplexPluginFactory {
 
-	private static final long MAX_LATENCY = DAYS.toMillis(28);
+	private static final int MAX_LATENCY = (int) DAYS.toMillis(14);
 
 	private final Application app;
 

bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java

@@ -29,7 +29,6 @@ import java.net.UnknownHostException;
 import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.logging.Logger;
-import java.util.regex.Pattern;
 
 import javax.annotation.Nullable;
 import javax.net.SocketFactory;
@@ -49,7 +48,6 @@ import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.INACTIVE;
 import static org.briarproject.bramble.util.IoUtils.tryToClose;
 import static org.briarproject.bramble.util.LogUtils.logException;
-import static org.briarproject.bramble.util.NetworkUtils.getNetworkInterfaces;
 
 @NotNullByDefault
 class AndroidLanTcpPlugin extends LanTcpPlugin {
@@ -57,13 +55,6 @@ class AndroidLanTcpPlugin extends LanTcpPlugin {
 	private static final Logger LOG =
 			getLogger(AndroidLanTcpPlugin.class.getName());
 
-	/**
-	 * The interface name is used as a heuristic for deciding whether the
-	 * device is providing a wifi access point.
-	 */
-	private static final Pattern AP_INTERFACE_NAME =
-			Pattern.compile("^(wlan|ap|p2p)[-0-9]");
-
 	private final Executor connectionStatusExecutor;
 	private final ConnectivityManager connectivityManager;
 	@Nullable
@@ -139,14 +130,17 @@ class AndroidLanTcpPlugin extends LanTcpPlugin {
 		if (info != null && info.getIpAddress() != 0) {
 			return new Pair<>(intToInetAddress(info.getIpAddress()), false);
 		}
-		// If we're providing an access point, return its address
+		List<InterfaceAddress> ifAddrs = getLocalInterfaceAddresses();
-		for (NetworkInterface iface : getNetworkInterfaces()) {
+		// If we're providing a normal access point, return its address
-			if (AP_INTERFACE_NAME.matcher(iface.getName()).find()) {
+		for (InterfaceAddress ifAddr : ifAddrs) {
-				for (InterfaceAddress ifAddr : iface.getInterfaceAddresses()) {
+			if (isAndroidWifiApAddress(ifAddr)) {
-					if (isPossibleWifiApInterface(ifAddr)) {
+				return new Pair<>(ifAddr.getAddress(), true);
-						return new Pair<>(ifAddr.getAddress(), true);
+			}
-					}
+		}
-				}
+		// If we're providing a wifi direct access point, return its address
+		for (InterfaceAddress ifAddr : ifAddrs) {
+			if (isAndroidWifiDirectApAddress(ifAddr)) {
+				return new Pair<>(ifAddr.getAddress(), true);
 			}
 		}
 		// Not connected to wifi
@@ -154,18 +148,33 @@ class AndroidLanTcpPlugin extends LanTcpPlugin {
 	}
 
 	/**
-	 * Returns true if the given address may belong to an interface providing
+	 * Returns true if the given address belongs to a network provided by an
-	 * a wifi access point (including wifi direct legacy mode access points).
+	 * Android access point (including the access point's own address).
 	 * <p>
-	 * This method may return true for wifi client interfaces as well, but
+	 * The access point's address is usually 192.168.43.1, but at least one
-	 * we've already checked for a wifi client connection above.
+	 * device (Honor 8A) may use other addresses in the range 192.168.43.0/24.
 	 */
-	private boolean isPossibleWifiApInterface(InterfaceAddress ifAddr) {
+	private boolean isAndroidWifiApAddress(InterfaceAddress ifAddr) {
 		if (ifAddr.getNetworkPrefixLength() != 24) return false;
 		byte[] ip = ifAddr.getAddress().getAddress();
 		return ip.length == 4
 				&& ip[0] == (byte) 192
-				&& ip[1] == (byte) 168;
+				&& ip[1] == (byte) 168
+				&& ip[2] == (byte) 43;
+	}
+
+	/**
+	 * Returns true if the given address belongs to a network provided by an
+	 * Android wifi direct legacy mode access point (including the access
+	 * point's own address).
+	 */
+	private boolean isAndroidWifiDirectApAddress(InterfaceAddress ifAddr) {
+		if (ifAddr.getNetworkPrefixLength() != 24) return false;
+		byte[] ip = ifAddr.getAddress().getAddress();
+		return ip.length == 4
+				&& ip[0] == (byte) 192
+				&& ip[1] == (byte) 168
+				&& ip[2] == (byte) 49;
 	}
 
 	/**

bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPlugin.java

@@ -70,14 +70,12 @@ class AndroidTorPlugin extends TorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory,
+			File torDirectory) {
-			int torSocksPort,
-			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture, maxLatency,
-				maxIdleTime, torDirectory, torSocksPort, torControlPort);
+				maxIdleTime, torDirectory);
 		this.app = app;
 		wakeLock = wakeLockManager.createWakeLock("TorPlugin");
 		String nativeLibDir = app.getApplicationInfo().nativeLibraryDir;

bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPluginFactory.java

@@ -3,7 +3,6 @@ package org.briarproject.bramble.plugin.tor;
 import android.app.Application;
 
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
@@ -12,9 +11,7 @@ import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.PluginCallback;
 import org.briarproject.bramble.api.plugin.TorConstants;
-import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
-import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
@@ -59,9 +56,6 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 	private final AndroidWakeLockManager wakeLockManager;
 	private final Clock clock;
 	private final File torDirectory;
-	private int torSocksPort;
-	private int torControlPort;
-	private final CryptoComponent crypto;
 
 	@Inject
 	AndroidTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -77,10 +71,7 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 			BatteryManager batteryManager,
 			AndroidWakeLockManager wakeLockManager,
 			Clock clock,
-			@TorDirectory File torDirectory,
+			@TorDirectory File torDirectory) {
-			@TorSocksPort int torSocksPort,
-			@TorControlPort int torControlPort,
-			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.app = app;
@@ -95,9 +86,6 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 		this.wakeLockManager = wakeLockManager;
 		this.clock = clock;
 		this.torDirectory = torDirectory;
-		this.torSocksPort = torSocksPort;
-		this.torControlPort = torControlPort;
-		this.crypto = crypto;
 	}
 
 	@Override
@@ -139,15 +127,13 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto =
+		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
-				new TorRendezvousCryptoImpl(crypto);
 		AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor,
 				wakefulIoExecutor, app, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, wakeLockManager,
 				backoff, torRendezvousCrypto, callback, architecture,
-				MAX_LATENCY, MAX_IDLE_TIME, torDirectory, torSocksPort,
+				MAX_LATENCY, MAX_IDLE_TIME, torDirectory);
-				torControlPort);
 		eventBus.addListener(plugin);
 		return plugin;
 	}

bramble-android/witness.gradle

@@ -1,50 +1,50 @@
 dependencyVerification {
     verify = [
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
-        'com.android.tools.analytics-library:protos:30.0.3:protos-30.0.3.jar:f62b89dcd9de719c6a7b7e15fb1dd20e45b57222e675cf633607bd0ed6bca7e7',
+        'com.android.tools.analytics-library:protos:27.1.3:protos-27.1.3.jar:0d9e6cff60b318baac250b6f5bb076a8161103338bf2749cdf1db8a5a13a1f12',
-        'com.android.tools.analytics-library:shared:30.0.3:shared-30.0.3.jar:05aa9ba3cc890354108521fdf99802565aae5dd6ca44a6ac8bb8d594d1c1cd15',
+        'com.android.tools.analytics-library:shared:27.1.3:shared-27.1.3.jar:10d2a51d8f89ff4ac849888e5a9c60b10e879c30d78545ec1da4d3df7bd56ae4',
-        'com.android.tools.analytics-library:tracker:30.0.3:tracker-30.0.3.jar:5d0ef35bf6733e96210b5085a2a202152921bf834d345959dce1ca3369b528df',
+        'com.android.tools.analytics-library:tracker:27.1.3:tracker-27.1.3.jar:589b355a2ba796cbc0a2b2295737de6661f078262e5f87cd6f540b8d011e5ebb',
         'com.android.tools.build:aapt2-proto:4.1.0-alpha01-6193524:aapt2-proto-4.1.0-alpha01-6193524.jar:17e75523e1e92dd4f222c7368ee41df9e964a508232f591e265d0c499baf9dca',
-        'com.android.tools.build:apksig:7.0.3:apksig-7.0.3.jar:012337a2803c9a30dfc41dcbc6450686ee9e5f582549f7f126479f743a343ec9',
+        'com.android.tools.build:apksig:4.1.3:apksig-4.1.3.jar:a851980c678ff7a6785388b9a9e8cc094788ce3c4a985ad2b19c2028fd3c631a',
-        'com.android.tools.build:apkzlib:7.0.3:apkzlib-7.0.3.jar:b31e53174c92db83c5cc6e7dac6734ea4e907a72e452c2bf1818dfd082c59397',
+        'com.android.tools.build:apkzlib:4.1.3:apkzlib-4.1.3.jar:475903065e7e83a8c1ba78d267c97a54dc5a04d768b535093850423d7b11f2c8',
-        'com.android.tools.build:builder-model:7.0.3:builder-model-7.0.3.jar:483f99d7494a5bed027e1e8d29111384cf535d4842f0be5a79805bd44bb68d4e',
+        'com.android.tools.build:builder-model:4.1.3:builder-model-4.1.3.jar:2624a1436c3ab39dd91d3ecf9409a594b0f89ea5cab255f2e9ff11f5ee03d274',
-        'com.android.tools.build:builder-test-api:7.0.3:builder-test-api-7.0.3.jar:f6de4bc2cef545e8367bf82d7c733829c7be3b0b3b8b09fd8c58f2150e59ab46',
+        'com.android.tools.build:builder-test-api:4.1.3:builder-test-api-4.1.3.jar:3d2af66726b06b53b8d6d497efcee39ff9f77eb2f8d2cce38b31502383a40d2c',
-        'com.android.tools.build:builder:7.0.3:builder-7.0.3.jar:c6952da0094b094c2ba0fe84c675622097c5d9b9f9beb53485b860320540cf1d',
+        'com.android.tools.build:builder:4.1.3:builder-4.1.3.jar:a40426cd6d68f6a722ef4950058c075e4547025e8c2fd78e732ad89f15176f84',
-        'com.android.tools.build:manifest-merger:30.0.3:manifest-merger-30.0.3.jar:72b346ba6318b4b6260e6e49df4bea5da2e12329ab6c2beb2269c49a9f51f178',
+        'com.android.tools.build:gradle-api:4.1.3:gradle-api-4.1.3.jar:11b1fb9de658bdcf9290b1c1517060d0c4d93f2b27975934989ca4ac890bc077',
-        'com.android.tools.ddms:ddmlib:30.0.3:ddmlib-30.0.3.jar:7a914a68ab93393657297234e2f37b22410ae9a433cba692ce8c727c9607e3bb',
+        'com.android.tools.build:manifest-merger:27.1.3:manifest-merger-27.1.3.jar:ce8d4009b1f1584777a7ffa1da3b0551dc316bc8e08112e442c352af70f46f2d',
-        'com.android.tools.external.com-intellij:intellij-core:30.0.3:intellij-core-30.0.3.jar:1ebe858d3f58eeaa8c06507f8ac0f1c7051e6c61f35a70f3c3967d5734d3abc5',
+        'com.android.tools.ddms:ddmlib:27.1.3:ddmlib-27.1.3.jar:8f76e8236d2b9eebf26378746dad025c4c7c056a02e133dae4ddef47b283c710',
-        'com.android.tools.external.com-intellij:kotlin-compiler:30.0.3:kotlin-compiler-30.0.3.jar:ed00e441f427cb4e0d418287b9da30b12b7f735f9af32e6b5d3dc960b6a742fc',
+        'com.android.tools.external.com-intellij:intellij-core:27.1.3:intellij-core-27.1.3.jar:652814fa099b4746fb6f10e19718e476952e8b5bac24e17d914f90650ad21808',
-        'com.android.tools.external.org-jetbrains:uast:30.0.3:uast-30.0.3.jar:a77801bee6ff509910e459525c9c34d7f04b066ade123547f16f1917548eadea',
+        'com.android.tools.external.com-intellij:kotlin-compiler:27.1.3:kotlin-compiler-27.1.3.jar:8d7a78d5efd213c5e467e42bd205582aad73ffc77ee5dc18eb1361c9af72f125',
-        'com.android.tools.layoutlib:layoutlib-api:30.0.3:layoutlib-api-30.0.3.jar:4caa87e9ca2e11315f650d576cd59fec1793373bc3fca3f6d53c029e7534e7c4',
+        'com.android.tools.external.org-jetbrains:uast:27.1.3:uast-27.1.3.jar:aea53944a1ac6a05f12297b55290e8cbecfe54c4166260cfba4405823bfe1c78',
-        'com.android.tools.lint:lint-api:30.0.3:lint-api-30.0.3.jar:bcecbd2f752a6560096a9029a47d1de6bd788a51bab505c5ebfba6a18524b983',
+        'com.android.tools.layoutlib:layoutlib-api:27.1.3:layoutlib-api-27.1.3.jar:23875ce0a8429f33a4e86cc358f658faa0ba9c576f5f05760e544b453d67d04b',
-        'com.android.tools.lint:lint-checks:30.0.3:lint-checks-30.0.3.jar:25a7cd42dc3ad502337f131fb8b7e873c53301db0a67b1c64dd4ae7a8eb66cec',
+        'com.android.tools.lint:lint-api:27.1.3:lint-api-27.1.3.jar:97666be32bcadacd944416ea334a9575ef8f4ad0c8f333151491ff4a7df43e1c',
-        'com.android.tools.lint:lint-gradle:30.0.3:lint-gradle-30.0.3.jar:94544d6147a809bf2fd3440e51f28a4e42e547d74aab53eefd74938cdad42c26',
+        'com.android.tools.lint:lint-checks:27.1.3:lint-checks-27.1.3.jar:b2d71ae84a31490fe9ff26c706163fe245b2aea98e3eb747214c1085df444708',
-        'com.android.tools.lint:lint-model:30.0.3:lint-model-30.0.3.jar:0b940a7f575c2ff5cbd038260f41dde686a93c672213881ead3ce8af3513b396',
+        'com.android.tools.lint:lint-gradle-api:27.1.3:lint-gradle-api-27.1.3.jar:e54131c287a2954e6ed78a3351e5e10e35a1da2f09ac443bf44b705c71b63a4d',
-        'com.android.tools.lint:lint:30.0.3:lint-30.0.3.jar:ee4f11001e0c7e3b776e0d67399ad354b19b0f168822ec2b7db47c0910ed227d',
+        'com.android.tools.lint:lint-gradle:27.1.3:lint-gradle-27.1.3.jar:6a79e48943649d63665db7b17dbaff7af93e94ab9b15072f1a4d90486294ee9f',
-        'com.android.tools:annotations:30.0.3:annotations-30.0.3.jar:5c1944982fda8555855c4f5422fabf0dc8e2306e1f5460e9ad82dae71316bc31',
+        'com.android.tools.lint:lint-model:27.1.3:lint-model-27.1.3.jar:acb9e792db7000e38e3c3ca21a9b14f2de6549d7a3fc92a97ffba3d06345e5bf',
-        'com.android.tools:common:30.0.3:common-30.0.3.jar:8751efaaf2c2ddd1f0a37526c794347def6a3057ca9fc510307c13a6cf0d036f',
+        'com.android.tools.lint:lint:27.1.3:lint-27.1.3.jar:5a2e69d0901a3a476a5b2d5001de755868113145f5f6aa557750cfad5389a44b',
-        'com.android.tools:dvlib:30.0.3:dvlib-30.0.3.jar:5affafcec390041e5afd64cb924153f5e474db47ee8ccc2f555b495083141233',
+        'com.android.tools:annotations:27.1.3:annotations-27.1.3.jar:904dd771883496d5dfc86619ab2555968ea4e8a29d7a5f4f7cae6fbf5429f8f5',
-        'com.android.tools:repository:30.0.3:repository-30.0.3.jar:0a40c6f16c506903ce2c609affd8228aceda73a69d93dfa42d4f02b8491449f6',
+        'com.android.tools:common:27.1.3:common-27.1.3.jar:17ab4728e3ea50f047dd5937f0faf35f2c5416962ed74891057087ddc328bf96',
-        'com.android.tools:sdk-common:30.0.3:sdk-common-30.0.3.jar:b45570a380360236ffee0f6bb593d66b673bad3834dfe0d6c9871fa7188ee0eb',
+        'com.android.tools:dvlib:27.1.3:dvlib-27.1.3.jar:cead1c0c356cbe43e6855b0330fe09ef4bec2c72e22bdb4c6e7cf7e6b1dfbc37',
-        'com.android.tools:sdklib:30.0.3:sdklib-30.0.3.jar:7088f20a414fab170a21e457825e14ebe099f753558e02c8acc12c67eb412162',
+        'com.android.tools:repository:27.1.3:repository-27.1.3.jar:99de1a178855b56b8cd91a56296f1e0a9399c445e6acc51f1d2927947cc472cb',
-        'com.android:signflinger:7.0.3:signflinger-7.0.3.jar:903a4536db3e96b4e1e1dc1e400eb0b91bf7866d9b39cd7ec94d75dde158f152',
+        'com.android.tools:sdk-common:27.1.3:sdk-common-27.1.3.jar:b591e2aa0f1be600795f5c9e2bf81cba9b052bee452fc86c3362b5dd9e427a14',
-        'com.android:zipflinger:7.0.3:zipflinger-7.0.3.jar:fd209c960a3eff7a339e6fcba07d5e9ef4604d1633c69ab2df987460d9804140',
+        'com.android.tools:sdklib:27.1.3:sdklib-27.1.3.jar:ad6c08a45fe2904d05656bdddf9f623fa5c1d16bbd7b8d6a270a0734136ae02e',
-        'com.beust:jcommander:1.78:jcommander-1.78.jar:7891debb84b5f83e9bd57593ebece3399abbe0fd938cf306b3534c57913b9615',
+        'com.android:signflinger:4.1.3:signflinger-4.1.3.jar:f3103b55ccdc8dd9ee2517eb26af93b904d41303726594372d0df59d51156e5c',
-        'com.github.javaparser:javaparser-core:3.17.0:javaparser-core-3.17.0.jar:23f5c982e1c7771423d37d52c774e8d2e80fd7ea7305ebe448797a96f67e6fca',
+        'com.android:zipflinger:4.1.3:zipflinger-4.1.3.jar:48569896c0497268308a8014c66eb0f2bace2b9e2fc9390f3012823fb86387d5',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-        'com.google.code.gson:gson:2.8.6:gson-2.8.6.jar:c8fb4839054d280b3033f800d1f5a97de2f028eb8ba2eb458ad287e536f3f25f',
+        'com.google.code.gson:gson:2.8.5:gson-2.8.5.jar:233a0149fc365c9f6edbd683cfe266b19bdc773be98eabdaf6b3c924b48e7d81',
         'com.google.dagger:dagger-compiler:2.33:dagger-compiler-2.33.jar:aa8a0d8370c578fd6999802d0d90b9829377a46d2c1141e11b8f737970e7155e',
         'com.google.dagger:dagger-producers:2.33:dagger-producers-2.33.jar:5897f0b6eef799c2adfe3ccacc58c0fb374d58acb063c3ebe5366c38a8bce5c8',
         'com.google.dagger:dagger-spi:2.33:dagger-spi-2.33.jar:e2dcab2221b8afb9556ef0a1c83b0bd5f42552e254322a257330f754cdbbb9d4',
         'com.google.dagger:dagger:2.33:dagger-2.33.jar:d8798c5b8cf6b125234e33af5c6293bb9f2208ce29b57924c35b8c0be7b6bdcb',
         'com.google.errorprone:error_prone_annotations:2.2.0:error_prone_annotations-2.2.0.jar:6ebd22ca1b9d8ec06d41de8d64e0596981d9607b42035f9ed374f9de271a481a',
-        'com.google.errorprone:error_prone_annotations:2.3.4:error_prone_annotations-2.3.4.jar:baf7d6ea97ce606c53e11b6854ba5f2ce7ef5c24dddf0afa18d1260bd25b002c',
+        'com.google.errorprone:error_prone_annotations:2.3.2:error_prone_annotations-2.3.2.jar:357cd6cfb067c969226c442451502aee13800a24e950fdfde77bcdb4565a668d',
         'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
         'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
         'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
         'com.google.guava:guava:27.1-jre:guava-27.1-jre.jar:4a5aa70cc968a4d137e599ad37553e5cfeed2265e8c193476d7119036c536fe7',
-        'com.google.guava:guava:30.1-jre:guava-30.1-jre.jar:e6dd072f9d3fe02a4600688380bd422bdac184caf6fe2418cfdd0934f09432aa',
+        'com.google.guava:guava:28.1-jre:guava-28.1-jre.jar:30beb8b8527bd07c6e747e77f1a92122c2f29d57ce347461a4a55eb26e382da4',
         'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
         'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
         'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
@@ -54,108 +54,63 @@ dependencyVerification {
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
         'com.squareup:javawriter:2.5.0:javawriter-2.5.0.jar:fcfb09fb0ea0aa97d3cfe7ea792398081348e468f126b3603cb3803f240197f0',
         'com.sun.activation:javax.activation:1.2.0:javax.activation-1.2.0.jar:993302b16cd7056f21e779cc577d175a810bb4900ef73cd8fbf2b50f928ba9ce',
-        'com.sun.istack:istack-commons-runtime:3.0.8:istack-commons-runtime-3.0.8.jar:4ffabb06be454a05e4398e20c77fa2b6308d4b88dfbef7ca30a76b5b7d5505ef',
+        'com.sun.istack:istack-commons-runtime:3.0.7:istack-commons-runtime-3.0.7.jar:6443e10ba2e259fb821d9b6becf10db5316285fc30c53cec9d7b19a3877e7fdf',
-        'com.sun.xml.fastinfoset:FastInfoset:1.2.16:FastInfoset-1.2.16.jar:056f3a1e144409f21ed16afc26805f58e9a21f3fce1543c42d400719d250c511',
+        'com.sun.xml.fastinfoset:FastInfoset:1.2.15:FastInfoset-1.2.15.jar:785861db11ca1bd0d1956682b974ad73eb19cd3e01a4b3fa82d62eca97210aec',
-        'com.thoughtworks.qdox:qdox:1.12.1:qdox-1.12.1.jar:21fba22f830e9268f07cf4ab2d99e8181abbdcb0cb91ee0228eb3cb918dcdd1d',
         'commons-codec:commons-codec:1.10:commons-codec-1.10.jar:4241dfa94e711d435f29a4604a3e2de5c4aa3c165e23bd066be6fc1fc4309569',
-        'commons-io:commons-io:2.4:commons-io-2.4.jar:cc6a41dc3eaacc9e440a6bd0d2890b20d36b4ee408fe2d67122f328bb6e01581',
         'commons-logging:commons-logging:1.2:commons-logging-1.2.jar:daddea1ea0be0f56978ab3006b8ac92834afeefbd9b7e4e6316fca57df0fa636',
-        'info.picocli:picocli:4.5.2:picocli-4.5.2.jar:b4395e9a67932616efd2245d984bf5fcd453c2c5049558c3ce959ac2af4d3fac',
+        'it.unimi.dsi:fastutil:7.2.0:fastutil-7.2.0.jar:74fa208043740642f7e6eb09faba15965218ad2f50ce3020efb100136e4b591c',
-        'it.unimi.dsi:fastutil:8.4.0:fastutil-8.4.0.jar:2ad2824a4a0a0eb836b52ee2fc84ba2134f44bce7bfa54015ae3f31c710a3071',
+        'javax.activation:javax.activation-api:1.2.0:javax.activation-api-1.2.0.jar:43fdef0b5b6ceb31b0424b208b930c74ab58fac2ceeb7b3f6fd3aeb8b5ca4393',
-        'jakarta.activation:jakarta.activation-api:1.2.1:jakarta.activation-api-1.2.1.jar:8b0a0f52fa8b05c5431921a063ed866efaa41dadf2e3a7ee3e1961f2b0d9645b',
-        'jakarta.xml.bind:jakarta.xml.bind-api:2.3.2:jakarta.xml.bind-api-2.3.2.jar:69156304079bdeed9fc0ae3b39389f19b3cc4ba4443bc80508995394ead742ea',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
-        'jline:jline:2.14.6:jline-2.14.6.jar:97d1acaac82409be42e622d7a54d3ae9d08517e8aefdea3d2ba9791150c2f02d',
+        'javax.xml.bind:jaxb-api:2.3.1:jaxb-api-2.3.1.jar:88b955a0df57880a26a74708bc34f74dcaf8ebf4e78843a28b50eae945732b06',
-        'junit:junit:4.13.1:junit-4.13.1.jar:c30719db974d6452793fe191b3638a5777005485bae145924044530ffa5f6122',
         'junit:junit:4.13.2:junit-4.13.2.jar:8e495b634469d64fb8acfa3495a065cbacc8a0fff55ce1e31007be4c16dc57d3',
         'net.bytebuddy:byte-buddy:1.9.12:byte-buddy-1.9.12.jar:3688c3d434bebc3edc5516296a2ed0f47b65e451071b4afecad84f902f0efc11',
-        'net.java.dev.jna:jna-platform:5.6.0:jna-platform-5.6.0.jar:9ecea8bf2b1b39963939d18b70464eef60c508fed8820f9dcaba0c35518eabf7',
-        'net.java.dev.jna:jna:5.6.0:jna-5.6.0.jar:5557e235a8aa2f9766d5dc609d67948f2a8832c2d796cea9ef1d6cbe0b3b7eaf',
         'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         'net.sf.jopt-simple:jopt-simple:4.9:jopt-simple-4.9.jar:26c5856e954b5f864db76f13b86919b59c6eecf9fd930b96baa8884626baf2f5',
         'net.sf.kxml:kxml2:2.3.0:kxml2-2.3.0.jar:f264dd9f79a1fde10ce5ecc53221eff24be4c9331c830b7d52f2f08a7b633de2',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
-        'org.apache.ant:ant-antlr:1.10.9:ant-antlr-1.10.9.jar:7623dc9d0f20ea713290c6bf1a23f4c059447aef7ff9f5b2be75960f3f028d2e',
+        'org.apache.commons:commons-compress:1.12:commons-compress-1.12.jar:2c1542faf343185b7cab9c3d55c8ae5471d6d095d3887a4adefdbdf2984dc0b6',
-        'org.apache.ant:ant-junit:1.10.9:ant-junit-1.10.9.jar:960bdc8827954d62206ba42d0a68a7ee4476175ba47bb113e17e77cce7394630',
-        'org.apache.ant:ant-launcher:1.10.9:ant-launcher-1.10.9.jar:fcce891f57f3be72149ff96ac2a80574165b3e0839866b95d24528f3027d50c1',
-        'org.apache.ant:ant:1.10.9:ant-1.10.9.jar:0715478af585ea80a18985613ebecdc7922122d45b2c3c970ff9b352cddb75fc',
-        'org.apache.commons:commons-compress:1.20:commons-compress-1.20.jar:0aeb625c948c697ea7b205156e112363b59ed5e2551212cd4e460bdb72c7c06e',
         'org.apache.httpcomponents:httpclient:4.5.6:httpclient-4.5.6.jar:c03f813195e7a80e3608d0ddd8da80b21696a4c92a6a2298865bf149071551c7',
         'org.apache.httpcomponents:httpcore:4.4.10:httpcore-4.4.10.jar:78ba1096561957db1b55200a159b648876430342d15d461277e62360da19f6fd',
         'org.apache.httpcomponents:httpmime:4.5.6:httpmime-4.5.6.jar:0b2b1102c18d3c7e05a77214b9b7501a6f6056174ae5604e0e256776eda7553e',
         'org.bouncycastle:bcpkix-jdk15on:1.56:bcpkix-jdk15on-1.56.jar:7043dee4e9e7175e93e0b36f45b1ec1ecb893c5f755667e8b916eb8dd201c6ca',
         'org.bouncycastle:bcprov-jdk15on:1.56:bcprov-jdk15on-1.56.jar:963e1ee14f808ffb99897d848ddcdb28fa91ddda867eb18d303e82728f878349',
         'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a:obfs4proxy-android-0.0.12-dev-40245c4a.zip:8ab05a8f8391be2cb5ab2b665c281a06d9e3a756bd0f95a40a36ca927866ea82',
-        'org.briarproject:tor-android:0.3.5.17:tor-android-0.3.5.17.jar:1888afc10a26b93d00a010ea27bf0b1b162a6d524688b08b98d70d14dc363b54',
+        'org.briarproject:tor-android:0.3.5.15:tor-android-0.3.5.15.jar:560c5070166300b396cb2f28d82d9f639ee1fb5479096a3cef67da56d39937ad',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
-        'org.checkerframework:checker-qual:3.5.0:checker-qual-3.5.0.jar:729990b3f18a95606fc2573836b6958bcdb44cb52bfbd1b7aa9c339cff35a5a4',
+        'org.checkerframework:checker-qual:2.8.1:checker-qual-2.8.1.jar:9103499008bcecd4e948da29b17864abb64304e15706444ae209d17ebe0575df',
-        'org.codehaus.groovy:groovy-ant:3.0.7:groovy-ant-3.0.7.jar:6ed2ba82813d128f7050c24142e87b3dc2ad8b504786280eb03e81f0cf6a5793',
+        'org.codehaus.groovy:groovy-all:2.4.15:groovy-all-2.4.15.jar:51d6c4e71782e85674239189499854359d380fb75e1a703756e3aaa5b98a5af0',
-        'org.codehaus.groovy:groovy-astbuilder:3.0.7:groovy-astbuilder-3.0.7.jar:b290451eb1583666e906c41f7d14747b4cc96363c99c478b244634fd5dfc9013',
-        'org.codehaus.groovy:groovy-cli-picocli:3.0.7:groovy-cli-picocli-3.0.7.jar:71b4bd11fb30a9c7b5618e22122c9c5141958fb27f4dcf0068b6f715088f6916',
-        'org.codehaus.groovy:groovy-console:3.0.7:groovy-console-3.0.7.jar:0541b358b6b8e5363215026736168fccfec1d91bac678d066fa77349eeeaa5dd',
-        'org.codehaus.groovy:groovy-datetime:3.0.7:groovy-datetime-3.0.7.jar:b9823d14b1a4f94236ae2f8a471701aab17e093e1b33402b91550b5c8dd88f04',
-        'org.codehaus.groovy:groovy-docgenerator:3.0.7:groovy-docgenerator-3.0.7.jar:bf53f7a11c9eb1e278e1b8ed2714c741bcf781235c803ad3ba1555f2614573f3',
-        'org.codehaus.groovy:groovy-groovydoc:3.0.7:groovy-groovydoc-3.0.7.jar:86b24dfc23c005066ab83927cdb54177f06c9531773f2e2d2ecc9a131f7c2677',
-        'org.codehaus.groovy:groovy-groovysh:3.0.7:groovy-groovysh-3.0.7.jar:5c40e78cbc09726aedd1c75fab112d245d665d6294870f9119e6cd3013ed14ab',
-        'org.codehaus.groovy:groovy-jmx:3.0.7:groovy-jmx-3.0.7.jar:0a89f3007884eb156751937d93382038b83d39c7c2f0ab156ebf251a7251f2ab',
-        'org.codehaus.groovy:groovy-json:3.0.7:groovy-json-3.0.7.jar:df1f0ee475e3fc93a6a0d17548294e160cca5de6d9d36817a7be1fbe650de03b',
-        'org.codehaus.groovy:groovy-jsr223:3.0.7:groovy-jsr223-3.0.7.jar:1dbd969595332416193baa660fbb45743d19696eaa25fe98e591a2739e13517e',
-        'org.codehaus.groovy:groovy-macro:3.0.7:groovy-macro-3.0.7.jar:c6cc06df526b39e2c359e2435f0071594c5a1c7babafaa6c184fdd8fa931531f',
-        'org.codehaus.groovy:groovy-nio:3.0.7:groovy-nio-3.0.7.jar:db54c577882b294cd8c975ec5451596441baf54781319c61627dca0e0c2361ef',
-        'org.codehaus.groovy:groovy-servlet:3.0.7:groovy-servlet-3.0.7.jar:5b6a909bf501c209adfb6205b9e740649609074455fd979bf9da4853e6ff9a39',
-        'org.codehaus.groovy:groovy-sql:3.0.7:groovy-sql-3.0.7.jar:252bb6c74e1a9f41756ad4fbd3b0d2eddc93bb61109961dd1952a37bf2d57a64',
-        'org.codehaus.groovy:groovy-swing:3.0.7:groovy-swing-3.0.7.jar:bd942032d9328d54c6679c49a41f6caa0d4a0039ebe598493b8a647730d98cff',
-        'org.codehaus.groovy:groovy-templates:3.0.7:groovy-templates-3.0.7.jar:f119e07f650ef186ae5a4b944f9e30915b14311bad47c94a6b32de8d4f69bc80',
-        'org.codehaus.groovy:groovy-test-junit5:3.0.7:groovy-test-junit5-3.0.7.jar:c16eeea07b8e396891e266d7ba9388b24ac804237ffdd9a792b0d08969bad014',
-        'org.codehaus.groovy:groovy-test:3.0.7:groovy-test-3.0.7.jar:f71afd7c25d43017f89ea47e6de6daec971d159047dae083c1513a8422d44b90',
-        'org.codehaus.groovy:groovy-testng:3.0.7:groovy-testng-3.0.7.jar:713d5f2231bbb5712aefd362151b9ffd884aeb7ef2e773315cc54259cbdd063d',
-        'org.codehaus.groovy:groovy-xml:3.0.7:groovy-xml-3.0.7.jar:8a62e7c9ddece3e82676c4bef2f2c100f459602cd1fb6a14e94187bf863e97ff',
-        'org.codehaus.groovy:groovy:3.0.7:groovy-3.0.7.jar:51d1777e8dd1f00e60ea56e00d8a354ff5aab1f00fc8464ae8d39d71867e401f',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',
-        'org.glassfish.jaxb:jaxb-runtime:2.3.2:jaxb-runtime-2.3.2.jar:e6e0a1e89fb6ff786279e6a0082d5cef52dc2ebe67053d041800737652b4fd1b',
+        'org.codehaus.mojo:animal-sniffer-annotations:1.18:animal-sniffer-annotations-1.18.jar:47f05852b48ee9baefef80fa3d8cea60efa4753c0013121dd7fe5eef2e5c729d',
-        'org.glassfish.jaxb:txw2:2.3.2:txw2-2.3.2.jar:4a6a9f483388d461b81aa9a28c685b8b74c0597993bf1884b04eddbca95f48fe',
+        'org.glassfish.jaxb:jaxb-runtime:2.3.1:jaxb-runtime-2.3.1.jar:45fecfa5c8217ce1f3652ab95179790ec8cc0dec0384bca51cbeb94a293d9f2f',
-        'org.hamcrest:hamcrest-core:1.3:hamcrest-core-1.3.jar:66fdef91e9739348df7a096aa384a5685f4e875584cce89386a7a47251c4d8e9',
+        'org.glassfish.jaxb:txw2:2.3.1:txw2-2.3.1.jar:34975dde1c6920f1a39791142235689bc3cd357e24d05edd8ff93b885bd68d60',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
-        'org.jacoco:org.jacoco.agent:0.8.3:org.jacoco.agent-0.8.3.jar:522deb254ee16a04cc8341cc8f335f5cb7232982994d961b9cf3a0454709209f',
+        'org.jetbrains.kotlin:kotlin-reflect:1.3.72:kotlin-reflect-1.3.72.jar:a188d9367de1c4ee9479db630985c0597b20709c83161b1430d24edb27e38c40',
-        'org.jacoco:org.jacoco.ant:0.8.3:org.jacoco.ant-0.8.3.jar:735844e1ae15f9b875b42a27ac5cb61cc26e106d9e839e5d1c6756709b424ce0',
+        'org.jetbrains.kotlin:kotlin-stdlib-common:1.3.72:kotlin-stdlib-common-1.3.72.jar:5e7d1552863e480c1628b1cc39ce230ef829f5b7230106215a05acda5172203a',
-        'org.jacoco:org.jacoco.core:0.8.3:org.jacoco.core-0.8.3.jar:0818437bc060a0c7cc798148f22b713702aae2771aba104444407697d578f1ea',
-        'org.jacoco:org.jacoco.report:0.8.3:org.jacoco.report-0.8.3.jar:aae08fa4ff043c807b8876cdb2d8705eb8449a55efce461baa6c09da245088c1',
-        'org.jetbrains.intellij.deps:trove4j:1.0.20181211:trove4j-1.0.20181211.jar:affb7c85a3c87bdcf69ff1dbb84de11f63dc931293934bc08cd7ab18de083601',
-        'org.jetbrains.kotlin:kotlin-reflect:1.4.32:kotlin-reflect-1.4.32.jar:dbf19e9cdaa9c3c170f3f6f6ce3922f38dfc1d7fa1cab5b7c23a19da8b5eec5b',
         'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.20:kotlin-stdlib-common-1.4.20.jar:a7112c9b3cefee418286c9c9372f7af992bd1e6e030691d52f60cb36dbec8320',
-        'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.32:kotlin-stdlib-common-1.4.32.jar:e1ff6f55ee9e7591dcc633f7757bac25a7edb1cc7f738b37ec652f10f66a4145',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.72:kotlin-stdlib-jdk7-1.3.72.jar:40566c0c08d414b9413ba556ff7f8a0b04b98b9f0f424d122dd2088510efccc4',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.32:kotlin-stdlib-jdk7-1.4.32.jar:5f801e75ca27d8791c14b07943c608da27620d910a8093022af57f543d5d98b6',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72:kotlin-stdlib-jdk8-1.3.72.jar:133da70cfc07b56094282eac5c59bccd59f167ee2ead22e5282876d8bc10bf95',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32:kotlin-stdlib-jdk8-1.4.32.jar:adc43e54757b106e0cd7b3b7aa257dff471b61efdabe067fc02b2f57e2396262',
+        'org.jetbrains.kotlin:kotlin-stdlib:1.3.72:kotlin-stdlib-1.3.72.jar:3856a7349ebacd6d1be6802b2fed9c4dc2c5a564ea92b6b945ac988243d4b16b',
         'org.jetbrains.kotlin:kotlin-stdlib:1.4.20:kotlin-stdlib-1.4.20.jar:b8ab1da5cdc89cb084d41e1f28f20a42bd431538642a5741c52bbfae3fa3e656',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.4.32:kotlin-stdlib-1.4.32.jar:13e9fd3e69dc7230ce0fc873a92a4e5d521d179bcf1bef75a6705baac3bfecba',
         'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.1.0:kotlinx-metadata-jvm-0.1.0.jar:9753bb39efef35957c5c15df9a3cb769aabf2cdfa74b47afcb7760e5146be3b5',
+        'org.jetbrains.trove4j:trove4j:20160824:trove4j-20160824.jar:1917871c8deb468307a584680c87a44572f5a8b0b98c6d397fc0f5f86596dbe7',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
         'org.jmock:jmock-imposters:2.12.0:jmock-imposters-2.12.0.jar:3b836269745a137c9b2347e8d7c2104845b126ef04f012d6bfd94f1a7dea7b09',
         'org.jmock:jmock-junit4:2.12.0:jmock-junit4-2.12.0.jar:3233062fc889637c151a24f1ee086bad04321ab7d8264fef279daff0fa27205b',
         'org.jmock:jmock-legacy:2.12.0:jmock-legacy-2.12.0.jar:dea3a9cca653d082e2fe7e40232e982fe03a9984c7d67ceff24f3e03fe580dcd',
         'org.jmock:jmock-testjar:2.12.0:jmock-testjar-2.12.0.jar:efefbcf6cd294d0e29f0c46eb2a3380d4ca4e1763ff719c69e2f2ac62f564a04',
         'org.jmock:jmock:2.12.0:jmock-2.12.0.jar:266d07314c0cd343c46ff8a55601272de8cf406807caf55e6f313295f83d10be',
-        'org.junit.jupiter:junit-jupiter-api:5.7.0:junit-jupiter-api-5.7.0.jar:b03f78e0daeed2d77a0af9bcd662b4cdb9693f7ee72e01a539b508b84c63d182',
+        'org.jvnet.staxex:stax-ex:1.8:stax-ex-1.8.jar:95b05d9590af4154c6513b9c5dc1fb2e55b539972ba0a9ef28e9a0c01d83ad77',
-        'org.junit.jupiter:junit-jupiter-engine:5.7.0:junit-jupiter-engine-5.7.0.jar:dfa26af94644ac2612dde6625852fcb550a0d21caa243257de54cba738ba87af',
-        'org.junit.platform:junit-platform-commons:1.7.0:junit-platform-commons-1.7.0.jar:5330ee87cc7586e6e25175a34e9251624ff12ff525269d3415d0b4ca519b6fea',
-        'org.junit.platform:junit-platform-engine:1.7.0:junit-platform-engine-1.7.0.jar:75f21a20dc594afdc875736725b408cec6d0344874d29f34b2dd3075500236f2',
-        'org.junit.platform:junit-platform-launcher:1.7.0:junit-platform-launcher-1.7.0.jar:fbdc748fde4c4279fe1d3c607447cb3b7ccd45d7338fc574f8a894ddf2d16818',
-        'org.jvnet.staxex:stax-ex:1.8.1:stax-ex-1.8.1.jar:20522549056e9e50aa35ef0b445a2e47a53d06be0b0a9467d704e2483ffb049a',
         'org.objenesis:objenesis:3.0.1:objenesis-3.0.1.jar:7a8ff780b9ff48415d7c705f60030b0acaa616e7f823c98eede3b63508d4e984',
-        'org.opentest4j:opentest4j:1.2.0:opentest4j-1.2.0.jar:58812de60898d976fb81ef3b62da05c6604c18fd4a249f5044282479fc286af2',
         'org.ow2.asm:asm-analysis:7.0:asm-analysis-7.0.jar:e981f8f650c4d900bb033650b18e122fa6b161eadd5f88978d08751f72ee8474',
         'org.ow2.asm:asm-commons:7.0:asm-commons-7.0.jar:fed348ef05958e3e846a3ac074a12af5f7936ef3d21ce44a62c4fa08a771927d',
         'org.ow2.asm:asm-tree:7.0:asm-tree-7.0.jar:cfd7a0874f9de36a999c127feeadfbfe6e04d4a71ee954d7af3d853f0be48a6c',
         'org.ow2.asm:asm-util:7.0:asm-util-7.0.jar:75fbbca440ef463f41c2b0ab1a80abe67e910ac486da60a7863cbcb5bae7e145',
         'org.ow2.asm:asm:7.0:asm-7.0.jar:b88ef66468b3c978ad0c97fd6e90979e56155b4ac69089ba7a44e9aa7ffe9acf',
         'org.ow2.asm:asm:7.1:asm-7.1.jar:4ab2fa2b6d2cc9ccb1eaa05ea329c407b47b13ed2915f62f8c4b8cc96258d4de',
-        'org.testng:testng:7.3.0:testng-7.3.0.jar:63727488f9717d57f0d0a0fee5a1fc10a2be9cfcff2ec3a7187656d663c0774e',
-        'xerces:xercesImpl:2.12.0:xercesImpl-2.12.0.jar:b50d3a4ca502faa4d1c838acb8aa9480446953421f7327e338c5dda3da5e76d0',
-        'xml-apis:xml-apis:1.4.01:xml-apis-1.4.01.jar:a840968176645684bb01aed376e067ab39614885f9eee44abe35a5f20ebe7fad',
     ]
 }

bramble-api/src/main/java/org/briarproject/bramble/api/FeatureFlags.java

@@ -10,4 +10,10 @@ public interface FeatureFlags {
 	boolean shouldEnableProfilePictures();
 
 	boolean shouldEnableDisappearingMessages();
+
+	boolean shouldEnableConnectViaBluetooth();
+
+	boolean shouldEnableShareAppViaOfflineHotspot();
+
+	boolean shouldEnableTransferData();
 }

bramble-api/src/main/java/org/briarproject/bramble/api/client/ClientHelper.java

@@ -128,7 +128,7 @@ public interface ClientHelper {
 	 * group.
 	 */
 	ContactId getContactId(Transaction txn, GroupId contactGroupId)
-			throws DbException;
+			throws DbException, FormatException;
 
 	/**
 	 * Stores the given contact ID in the group metadata of the given contact

bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactManager.java

@@ -107,12 +107,6 @@ public interface ContactManager {
 	 */
 	String getHandshakeLink() throws DbException;
 
-	/**
-	 * Returns the handshake link that needs to be sent to a contact we want
-	 * to add.
-	 */
-	String getHandshakeLink(Transaction txn) throws DbException;
-
 	/**
 	 * Creates a {@link PendingContact} from the given handshake link and
 	 * alias, adds it to the database and returns it.

bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoComponent.java

@@ -170,11 +170,4 @@ public interface CryptoComponent {
 	 * length. The line terminator is CRLF.
 	 */
 	String asciiArmour(byte[] b, int lineLength);
-
-	/**
-	 * Encode the onion/hidden service address given its public key. As
-	 * specified here: https://gitweb.torproject.org/torspec.git/tree/rend-spec-v3.txt?id=29245fd5#n2135
-	 */
-	String encodeOnionAddress(byte[] publicKey);
-
 }

bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java

@@ -471,14 +471,6 @@ public interface DatabaseComponent extends TransactionManager {
 	Map<MessageId, Integer> getUnackedMessagesToSend(Transaction txn,
 			ContactId c) throws DbException;
 
-	/**
-	 * Reset the transmission count, expiry time and ETA of all messages that
-	 * are eligible to be sent to the given contact. This includes messages that
-	 * have already been sent and are not yet due for retransmission.
-	 */
-	void resetUnackedMessagesToSend(Transaction txn, ContactId c)
-			throws DbException;
-
 	/**
 	 * Returns the total length, including headers, of all messages that are
 	 * eligible to be sent to the given contact. This may include messages

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxProperties.java

@@ -1,32 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.concurrent.Immutable;
-
-@Immutable
-@NotNullByDefault
-public class MailboxProperties {
-
-	private final String onionAddress, authToken;
-	private final boolean owner;
-
-	public MailboxProperties(String onionAddress, String authToken,
-			boolean owner) {
-		this.onionAddress = onionAddress;
-		this.authToken = authToken;
-		this.owner = owner;
-	}
-
-	public String getOnionAddress() {
-		return onionAddress;
-	}
-
-	public String getAuthToken() {
-		return authToken;
-	}
-
-	public boolean isOwner() {
-		return owner;
-	}
-}

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxSettingsManager.java

@@ -1,33 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.DbException;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.Nullable;
-
-@NotNullByDefault
-public interface MailboxSettingsManager {
-
-	@Nullable
-	MailboxProperties getOwnMailboxProperties(Transaction txn)
-			throws DbException;
-
-	void setOwnMailboxProperties(Transaction txn, MailboxProperties p)
-			throws DbException;
-
-	MailboxStatus getOwnMailboxStatus(Transaction txn) throws DbException;
-
-	void recordSuccessfulConnection(Transaction txn, long now)
-			throws DbException;
-
-	void recordFailedConnectionAttempt(Transaction txn, long now)
-			throws DbException;
-
-	void setPendingUpload(Transaction txn, ContactId id,
-			@Nullable String filename) throws DbException;
-
-	@Nullable
-	String getPendingUpload(Transaction txn, ContactId id) throws DbException;
-}

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxStatus.java

@@ -1,59 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.concurrent.Immutable;
-
-@Immutable
-@NotNullByDefault
-public class MailboxStatus {
-
-	private final long lastAttempt, lastSuccess;
-	private final int attemptsSinceSuccess;
-
-	public MailboxStatus(long lastAttempt, long lastSuccess,
-			int attemptsSinceSuccess) {
-		this.lastAttempt = lastAttempt;
-		this.lastSuccess = lastSuccess;
-		this.attemptsSinceSuccess = attemptsSinceSuccess;
-	}
-
-	/**
-	 * Returns the time of the last attempt to connect to the mailbox, in
-	 * milliseconds since the Unix epoch, or -1 if no attempt has been made.
-	 * <p>
-	 * If an attempt is in progress and has not yet succeeded or failed then
-	 * this method returns the time of the previous attempt, or -1 if the
-	 * current attempt is the first.
-	 */
-	public long getTimeOfLastAttempt() {
-		return lastAttempt;
-	}
-
-	/**
-	 * Returns the time of the last successful attempt to connect to the
-	 * mailbox, in milliseconds since the Unix epoch, or -1 if no attempt has
-	 * succeeded.
-	 * <p>
-	 * If the last attempt was successful then this method returns the same
-	 * value as {@link #getTimeOfLastAttempt()}. If an attempt is in progress
-	 * and has not yet succeeded or failed then this method returns the time
-	 * of the previous successful connection, or -1 if no attempt has
-	 * succeeded.
-	 */
-	public long getTimeOfLastSuccess() {
-		return lastSuccess;
-	}
-
-	/**
-	 * Returns the number of attempts to connect to the mailbox that have
-	 * failed since the last attempt succeeded, or the number of attempts that
-	 * have been made, if no attempt has ever succeeded.
-	 * <p>
-	 * If an attempt is in progress and has not yet succeeded or failed then
-	 * it is not included in this count.
-	 */
-	public int getAttemptsSinceSuccess() {
-		return attemptsSinceSuccess;
-	}
-}

bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorConstants.java

@@ -1,14 +1,17 @@
 package org.briarproject.bramble.api.plugin;
 
+import static java.util.concurrent.TimeUnit.DAYS;
+
 public interface TorConstants {
 
 	TransportId ID = new TransportId("org.briarproject.bramble.tor");
 
 	// Transport properties
+	String PROP_ONION_V2 = "onion";
 	String PROP_ONION_V3 = "onion3";
 
-	int DEFAULT_SOCKS_PORT = 59050;
+	int SOCKS_PORT = 59050;
-	int DEFAULT_CONTROL_PORT = 59051;
+	int CONTROL_PORT = 59051;
 
 	int CONNECT_TO_PROXY_TIMEOUT = 5000; // Milliseconds
 	int EXTRA_SOCKET_TIMEOUT = 30000; // Milliseconds
@@ -18,7 +21,14 @@ public interface TorConstants {
 	String PREF_TOR_PORT = "port";
 	String PREF_TOR_MOBILE = "useMobileData";
 	String PREF_TOR_ONLY_WHEN_CHARGING = "onlyWhenCharging";
+	String HS_PRIVATE_KEY_V2 = "onionPrivKey";
 	String HS_PRIVATE_KEY_V3 = "onionPrivKey3";
+	String HS_V3_CREATED = "onionPrivKey3Created";
+
+	/**
+	 * How long to publish a v3 hidden service before retiring the v2 service.
+	 */
+	long V3_MIGRATION_PERIOD_MS = DAYS.toMillis(180);
 
 	// Values for PREF_TOR_NETWORK
 	int PREF_TOR_NETWORK_AUTOMATIC = 0;

bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorControlPort.java

@@ -1,20 +0,0 @@
-package org.briarproject.bramble.api.plugin;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.Target;
-
-import javax.inject.Qualifier;
-
-import static java.lang.annotation.ElementType.FIELD;
-import static java.lang.annotation.ElementType.METHOD;
-import static java.lang.annotation.ElementType.PARAMETER;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-/**
- * Annotation for injecting the control port for the Tor plugin.
- */
-@Qualifier
-@Target({FIELD, METHOD, PARAMETER})
-@Retention(RUNTIME)
-public @interface TorControlPort {
-}

bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorSocksPort.java

@@ -1,20 +0,0 @@
-package org.briarproject.bramble.api.plugin;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.Target;
-
-import javax.inject.Qualifier;
-
-import static java.lang.annotation.ElementType.FIELD;
-import static java.lang.annotation.ElementType.METHOD;
-import static java.lang.annotation.ElementType.PARAMETER;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-/**
- * Annotation for injecting the socks port for the Tor plugin.
- */
-@Qualifier
-@Target({FIELD, METHOD, PARAMETER})
-@Retention(RUNTIME)
-public @interface TorSocksPort {
-}

bramble-api/src/main/java/org/briarproject/bramble/api/plugin/file/RemovableDriveTask.java

@@ -14,9 +14,9 @@ public interface RemovableDriveTask extends Runnable {
 	TransportProperties getTransportProperties();
 
 	/**
-	 * Adds an observer to the task. The observer will be notified on the
+	 * Adds an observer to the task. The observer will be notified of state
-	 * event thread of the current state of the task and any subsequent state
+	 * changes on the event thread. If the task has already finished, the
-	 * changes.
+	 * observer will be notified of its final state.
 	 */
 	void addObserver(Consumer<State> observer);
 

bramble-api/src/main/java/org/briarproject/bramble/api/settings/SettingsManager.java

@@ -22,11 +22,4 @@ public interface SettingsManager {
 	 * namespace.
 	 */
 	void mergeSettings(Settings s, String namespace) throws DbException;
-
-	/**
-	 * Merges the given settings with any existing settings in the given
-	 * namespace.
-	 */
-	void mergeSettings(Transaction txn, Settings s, String namespace)
-			throws DbException;
 }

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

@@ -113,25 +113,9 @@ public interface KeyManager {
 	/**
 	 * Looks up the given tag and returns a {@link StreamContext} for reading
 	 * from the corresponding stream, or null if an error occurs or the tag was
-	 * unexpected. Marks the tag as recognised and updates the reordering
+	 * unexpected.
-	 * window.
 	 */
 	@Nullable
 	StreamContext getStreamContext(TransportId t, byte[] tag)
 			throws DbException;
-
-	/**
-	 * Looks up the given tag and returns a {@link StreamContext} for reading
-	 * from the corresponding stream, or null if an error occurs or the tag was
-	 * unexpected. Only returns the StreamContext; does not mark the tag as
-	 * recognised.
-	 */
-	@Nullable
-	StreamContext getStreamContextOnly(TransportId t, byte[] tag)
-			throws DbException;
-
-	/**
-	 * Marks the tag as recognised and updates the reordering window.
-	 */
-	void markTagAsRecognised(TransportId t, byte[] tag) throws DbException;
 }

bramble-api/src/main/java/org/briarproject/bramble/util/NetworkUtils.java

@@ -1,34 +0,0 @@
-package org.briarproject.bramble.util;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import java.net.NetworkInterface;
-import java.net.SocketException;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.logging.Logger;
-
-import static java.util.Collections.emptyList;
-import static java.util.Collections.list;
-import static java.util.logging.Level.WARNING;
-import static java.util.logging.Logger.getLogger;
-import static org.briarproject.bramble.util.LogUtils.logException;
-
-@NotNullByDefault
-public class NetworkUtils {
-
-	private static final Logger LOG = getLogger(NetworkUtils.class.getName());
-
-	public static List<NetworkInterface> getNetworkInterfaces() {
-		try {
-			Enumeration<NetworkInterface> ifaces =
-					NetworkInterface.getNetworkInterfaces();
-			// Despite what the docs say, the return value can be null
-			//noinspection ConstantConditions
-			return ifaces == null ? emptyList() : list(ifaces);
-		} catch (SocketException e) {
-			logException(LOG, WARNING, e);
-			return emptyList();
-		}
-	}
-}

bramble-api/src/test/java/org/briarproject/bramble/test/BrambleMockTestCase.java

@@ -1,17 +1,12 @@
 package org.briarproject.bramble.test;
 
 import org.jmock.Mockery;
-import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.After;
 
 public abstract class BrambleMockTestCase extends BrambleTestCase {
 
 	protected final Mockery context = new Mockery();
 
-	public BrambleMockTestCase() {
-		context.setThreadingPolicy(new Synchroniser());
-	}
-
 	@After
 	public void checkExpectations() {
 		context.assertIsSatisfied();

bramble-api/witness.gradle

@@ -10,8 +10,8 @@ dependencyVerification {
         'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
         'org.codehaus.mojo.signature:java16:1.1:java16-1.1.signature:53799223a2c98dba2d0add810bed76315460df285c69e4f397ae6098f87dd619',
-        'org.codehaus.mojo:animal-sniffer-ant-tasks:1.20:animal-sniffer-ant-tasks-1.20.jar:bb7d2498144118311d968bb08ff6fae3fc535fb1cb9cca8b8e9ea65b189422ac',
+        'org.codehaus.mojo:animal-sniffer-ant-tasks:1.16:animal-sniffer-ant-tasks-1.16.jar:890040976fbe2d584619a6a61b1fd2e925b3b5eb342a85eb2762c467c0d64e90',
-        'org.codehaus.mojo:animal-sniffer:1.20:animal-sniffer-1.20.jar:80c422523c38db91260c6d78e5ee4b012862ab61cc55020c9e243dd7b5c62249',
+        'org.codehaus.mojo:animal-sniffer:1.16:animal-sniffer-1.16.jar:72be8bcc226ba43b937c722a08a07852bfa1b11400089265d5df0ee7b38b1d52',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
@@ -21,7 +21,7 @@ dependencyVerification {
         'org.jmock:jmock-testjar:2.12.0:jmock-testjar-2.12.0.jar:efefbcf6cd294d0e29f0c46eb2a3380d4ca4e1763ff719c69e2f2ac62f564a04',
         'org.jmock:jmock:2.12.0:jmock-2.12.0.jar:266d07314c0cd343c46ff8a55601272de8cf406807caf55e6f313295f83d10be',
         'org.objenesis:objenesis:3.0.1:objenesis-3.0.1.jar:7a8ff780b9ff48415d7c705f60030b0acaa616e7f823c98eede3b63508d4e984',
+        'org.ow2.asm:asm-all:5.2:asm-all-5.2.jar:7fbffbc1db3422e2101689fd88df8384b15817b52b9b2b267b9f6d2511dc198d',
         'org.ow2.asm:asm:7.1:asm-7.1.jar:4ab2fa2b6d2cc9ccb1eaa05ea329c407b47b13ed2915f62f8c4b8cc96258d4de',
-        'org.ow2.asm:asm:9.1:asm-9.1.jar:cda4de455fab48ff0bcb7c48b4639447d4de859a7afc30a094a986f0936beba2',
     ]
 }

bramble-core/build.gradle

@@ -10,7 +10,7 @@ apply from: '../dagger.gradle'
 
 dependencies {
 	implementation project(path: ':bramble-api', configuration: 'default')
-	implementation 'org.bouncycastle:bcprov-jdk15on:1.69'
+	implementation 'com.madgag.spongycastle:core:1.58.0.0'
 	implementation 'com.h2database:h2:1.4.192' // The last version that supports Java 1.6
 	implementation 'org.bitlet:weupnp:0.1.4'
 	implementation 'net.i2p.crypto:eddsa:0.2.0'
@@ -32,14 +32,6 @@ dependencies {
 	signature 'org.codehaus.mojo.signature:java16:1.1@signature'
 }
 
-animalsniffer {
-	// Allow requireNonNull: Android desugaring rewrites it (so it's safe for us to use),
-	// and it gets used when passing method references instead of lambdas with Java 11.
-	// Note that this line allows *all* methods from java.util.Objects.
-	// That's the best that we can do with the configuration options that Animal Sniffer offers.
-	ignore 'java.util.Objects'
-}
-
 // needed to make test output available to bramble-java
 configurations {
 	testOutput.extendsFrom(testCompile)

bramble-core/src/main/java/org/briarproject/bramble/BrambleCoreModule.java

@@ -14,7 +14,6 @@ import org.briarproject.bramble.identity.IdentityModule;
 import org.briarproject.bramble.io.IoModule;
 import org.briarproject.bramble.keyagreement.KeyAgreementModule;
 import org.briarproject.bramble.lifecycle.LifecycleModule;
-import org.briarproject.bramble.mailbox.MailboxModule;
 import org.briarproject.bramble.plugin.PluginModule;
 import org.briarproject.bramble.properties.PropertiesModule;
 import org.briarproject.bramble.record.RecordModule;
@@ -44,7 +43,6 @@ import dagger.Module;
 		IoModule.class,
 		KeyAgreementModule.class,
 		LifecycleModule.class,
-		MailboxModule.class,
 		PluginModule.class,
 		PropertiesModule.class,
 		RecordModule.class,

bramble-core/src/main/java/org/briarproject/bramble/contact/ContactManagerImpl.java

@@ -121,12 +121,8 @@ class ContactManagerImpl implements ContactManager, EventListener {
 
 	@Override
 	public String getHandshakeLink() throws DbException {
-		return db.transactionWithResult(true, this::getHandshakeLink);
+		KeyPair keyPair = db.transactionWithResult(true,
-	}
+				identityManager::getHandshakeKeys);
-
-	@Override
-	public String getHandshakeLink(Transaction txn) throws DbException {
-		KeyPair keyPair = identityManager.getHandshakeKeys(txn);
 		return pendingContactFactory.createHandshakeLink(keyPair.getPublic());
 	}
 

bramble-core/src/main/java/org/briarproject/bramble/crypto/CryptoComponentImpl.java

@@ -4,10 +4,6 @@ import net.i2p.crypto.eddsa.EdDSAPrivateKey;
 import net.i2p.crypto.eddsa.EdDSAPublicKey;
 import net.i2p.crypto.eddsa.KeyPairGenerator;
 
-import org.bouncycastle.crypto.CryptoException;
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.Blake2bDigest;
-import org.bouncycastle.crypto.digests.SHA3Digest;
 import org.briarproject.bramble.api.crypto.AgreementPrivateKey;
 import org.briarproject.bramble.api.crypto.AgreementPublicKey;
 import org.briarproject.bramble.api.crypto.CryptoComponent;
@@ -22,13 +18,14 @@ import org.briarproject.bramble.api.crypto.SignaturePrivateKey;
 import org.briarproject.bramble.api.crypto.SignaturePublicKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.system.SecureRandomProvider;
-import org.briarproject.bramble.util.Base32;
 import org.briarproject.bramble.util.ByteUtils;
 import org.briarproject.bramble.util.StringUtils;
+import org.spongycastle.crypto.CryptoException;
+import org.spongycastle.crypto.Digest;
+import org.spongycastle.crypto.digests.Blake2bDigest;
 import org.whispersystems.curve25519.Curve25519;
 import org.whispersystems.curve25519.Curve25519KeyPair;
 
-import java.nio.charset.Charset;
 import java.security.GeneralSecurityException;
 import java.security.NoSuchAlgorithmException;
 import java.security.Provider;
@@ -61,8 +58,6 @@ class CryptoComponentImpl implements CryptoComponent {
 	private static final int PBKDF_SALT_BYTES = 32; // 256 bits
 	private static final byte PBKDF_FORMAT_SCRYPT = 0;
 	private static final byte PBKDF_FORMAT_SCRYPT_STRENGTHENED = 1;
-	private static final byte ONION_HS_PROTOCOL_VERSION = 3;
-	private static final int ONION_CHECKSUM_BYTES = 2;
 
 	private final SecureRandom secureRandom;
 	private final PasswordBasedKdf passwordBasedKdf;
@@ -447,21 +442,4 @@ class CryptoComponentImpl implements CryptoComponent {
 	public String asciiArmour(byte[] b, int lineLength) {
 		return AsciiArmour.wrap(b, lineLength);
 	}
-
-	@Override
-	public String encodeOnionAddress(byte[] publicKey) {
-		Digest digest = new SHA3Digest(256);
-		byte[] label = ".onion checksum".getBytes(Charset.forName("US-ASCII"));
-		digest.update(label, 0, label.length);
-		digest.update(publicKey, 0, publicKey.length);
-		digest.update(ONION_HS_PROTOCOL_VERSION);
-		byte[] checksum = new byte[digest.getDigestSize()];
-		digest.doFinal(checksum, 0);
-		byte[] address = new byte[publicKey.length + ONION_CHECKSUM_BYTES + 1];
-		arraycopy(publicKey, 0, address, 0, publicKey.length);
-		arraycopy(checksum, 0, address, publicKey.length, ONION_CHECKSUM_BYTES);
-		address[address.length - 1] = ONION_HS_PROTOCOL_VERSION;
-		return Base32.encode(address).toLowerCase();
-	}
-
 }

bramble-core/src/main/java/org/briarproject/bramble/crypto/MessageEncrypter.java

@@ -1,38 +1,38 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.asn1.teletrust.TeleTrusTNamedCurves;
-import org.bouncycastle.asn1.x9.X9ECParameters;
-import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
-import org.bouncycastle.crypto.BasicAgreement;
-import org.bouncycastle.crypto.BlockCipher;
-import org.bouncycastle.crypto.CipherParameters;
-import org.bouncycastle.crypto.CryptoException;
-import org.bouncycastle.crypto.DerivationFunction;
-import org.bouncycastle.crypto.KeyEncoder;
-import org.bouncycastle.crypto.Mac;
-import org.bouncycastle.crypto.agreement.ECDHCBasicAgreement;
-import org.bouncycastle.crypto.digests.SHA256Digest;
-import org.bouncycastle.crypto.engines.AESLightEngine;
-import org.bouncycastle.crypto.engines.IESEngine;
-import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
-import org.bouncycastle.crypto.generators.EphemeralKeyPairGenerator;
-import org.bouncycastle.crypto.generators.KDF2BytesGenerator;
-import org.bouncycastle.crypto.macs.HMac;
-import org.bouncycastle.crypto.modes.CBCBlockCipher;
-import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher;
-import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
-import org.bouncycastle.crypto.params.ECDomainParameters;
-import org.bouncycastle.crypto.params.ECKeyGenerationParameters;
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
-import org.bouncycastle.crypto.params.ECPublicKeyParameters;
-import org.bouncycastle.crypto.params.IESWithCipherParameters;
-import org.bouncycastle.crypto.parsers.ECIESPublicKeyParser;
 import org.briarproject.bramble.api.crypto.KeyPair;
 import org.briarproject.bramble.api.crypto.KeyParser;
 import org.briarproject.bramble.api.crypto.PrivateKey;
 import org.briarproject.bramble.api.crypto.PublicKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.util.StringUtils;
+import org.spongycastle.asn1.teletrust.TeleTrusTNamedCurves;
+import org.spongycastle.asn1.x9.X9ECParameters;
+import org.spongycastle.crypto.AsymmetricCipherKeyPair;
+import org.spongycastle.crypto.BasicAgreement;
+import org.spongycastle.crypto.BlockCipher;
+import org.spongycastle.crypto.CipherParameters;
+import org.spongycastle.crypto.CryptoException;
+import org.spongycastle.crypto.DerivationFunction;
+import org.spongycastle.crypto.KeyEncoder;
+import org.spongycastle.crypto.Mac;
+import org.spongycastle.crypto.agreement.ECDHCBasicAgreement;
+import org.spongycastle.crypto.digests.SHA256Digest;
+import org.spongycastle.crypto.engines.AESLightEngine;
+import org.spongycastle.crypto.engines.IESEngine;
+import org.spongycastle.crypto.generators.ECKeyPairGenerator;
+import org.spongycastle.crypto.generators.EphemeralKeyPairGenerator;
+import org.spongycastle.crypto.generators.KDF2BytesGenerator;
+import org.spongycastle.crypto.macs.HMac;
+import org.spongycastle.crypto.modes.CBCBlockCipher;
+import org.spongycastle.crypto.paddings.PaddedBufferedBlockCipher;
+import org.spongycastle.crypto.params.AsymmetricKeyParameter;
+import org.spongycastle.crypto.params.ECDomainParameters;
+import org.spongycastle.crypto.params.ECKeyGenerationParameters;
+import org.spongycastle.crypto.params.ECPrivateKeyParameters;
+import org.spongycastle.crypto.params.ECPublicKeyParameters;
+import org.spongycastle.crypto.params.IESWithCipherParameters;
+import org.spongycastle.crypto.parsers.ECIESPublicKeyParser;
 
 import java.io.FileInputStream;
 import java.io.FileOutputStream;

bramble-core/src/main/java/org/briarproject/bramble/crypto/ScryptKdf.java

@@ -1,9 +1,9 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.generators.SCrypt;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.util.StringUtils;
+import org.spongycastle.crypto.generators.SCrypt;
 
 import java.util.logging.Logger;
 

bramble-core/src/main/java/org/briarproject/bramble/crypto/Sec1KeyParser.java

@@ -1,14 +1,14 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.params.ECDomainParameters;
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
-import org.bouncycastle.crypto.params.ECPublicKeyParameters;
-import org.bouncycastle.math.ec.ECCurve;
-import org.bouncycastle.math.ec.ECPoint;
 import org.briarproject.bramble.api.crypto.KeyParser;
 import org.briarproject.bramble.api.crypto.PrivateKey;
 import org.briarproject.bramble.api.crypto.PublicKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.spongycastle.crypto.params.ECDomainParameters;
+import org.spongycastle.crypto.params.ECPrivateKeyParameters;
+import org.spongycastle.crypto.params.ECPublicKeyParameters;
+import org.spongycastle.math.ec.ECCurve;
+import org.spongycastle.math.ec.ECPoint;
 
 import java.math.BigInteger;
 import java.security.GeneralSecurityException;

bramble-core/src/main/java/org/briarproject/bramble/crypto/Sec1PrivateKey.java

@@ -1,8 +1,8 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
 import org.briarproject.bramble.api.crypto.PrivateKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.spongycastle.crypto.params.ECPrivateKeyParameters;
 
 import javax.annotation.concurrent.Immutable;
 

bramble-core/src/main/java/org/briarproject/bramble/crypto/Sec1PublicKey.java

@@ -1,8 +1,8 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.params.ECPublicKeyParameters;
 import org.briarproject.bramble.api.crypto.PublicKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.spongycastle.crypto.params.ECPublicKeyParameters;
 
 import javax.annotation.concurrent.Immutable;
 

bramble-core/src/main/java/org/briarproject/bramble/crypto/TransportCryptoImpl.java

@@ -1,7 +1,5 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.Blake2bDigest;
 import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.crypto.KeyPair;
 import org.briarproject.bramble.api.crypto.PublicKey;
@@ -11,6 +9,8 @@ import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.transport.IncomingKeys;
 import org.briarproject.bramble.api.transport.OutgoingKeys;
 import org.briarproject.bramble.api.transport.TransportKeys;
+import org.spongycastle.crypto.Digest;
+import org.spongycastle.crypto.digests.Blake2bDigest;
 
 import java.security.GeneralSecurityException;
 

bramble-core/src/main/java/org/briarproject/bramble/crypto/XSalsa20Poly1305AuthenticatedCipher.java

@@ -1,13 +1,13 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.DataLengthException;
-import org.bouncycastle.crypto.engines.XSalsa20Engine;
-import org.bouncycastle.crypto.generators.Poly1305KeyGenerator;
-import org.bouncycastle.crypto.macs.Poly1305;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.spongycastle.crypto.DataLengthException;
+import org.spongycastle.crypto.engines.XSalsa20Engine;
+import org.spongycastle.crypto.generators.Poly1305KeyGenerator;
+import org.spongycastle.crypto.macs.Poly1305;
+import org.spongycastle.crypto.params.KeyParameter;
+import org.spongycastle.crypto.params.ParametersWithIV;
 
 import java.security.GeneralSecurityException;
 

bramble-core/src/main/java/org/briarproject/bramble/db/Database.java

@@ -757,13 +757,6 @@ interface Database<T> {
 	 */
 	void resetExpiryTime(T txn, ContactId c, MessageId m) throws DbException;
 
-	/**
-	 * Resets the transmission count, expiry time and ETA of all messages that
-	 * are eligible to be sent to the given contact. This includes messages that
-	 * have already been sent and are not yet due for retransmission.
-	 */
-	void resetUnackedMessagesToSend(T txn, ContactId c) throws DbException;
-
 	/**
 	 * Sets the cleanup timer duration for the given message. This does not
 	 * start the message's cleanup timer.
@@ -852,8 +845,8 @@ interface Database<T> {
 	 * of the given message with respect to the given contact, using the latency
 	 * of the transport over which it was sent.
 	 */
-	void updateExpiryTimeAndEta(T txn, ContactId c, MessageId m,
+	void updateExpiryTimeAndEta(T txn, ContactId c, MessageId m, long maxLatency)
-			long maxLatency) throws DbException;
+			throws DbException;
 
 	/**
 	 * Stores the given transport keys, deleting any keys they have replaced.

bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java

@@ -750,15 +750,6 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
 		return db.getUnackedMessagesToSend(txn, c);
 	}
 
-	@Override
-	public void resetUnackedMessagesToSend(Transaction transaction, ContactId c)
-			throws DbException {
-		T txn = unbox(transaction);
-		if (!db.containsContact(txn, c))
-			throw new NoSuchContactException();
-		db.resetUnackedMessagesToSend(txn, c);
-	}
-
 	@Override
 	public long getUnackedMessageBytesToSend(Transaction transaction,
 			ContactId c) throws DbException {

bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java

@@ -429,11 +429,8 @@ abstract class JdbcDatabase implements Database<Connection> {
 			compactAndClose();
 			logDuration(LOG, "Compacting database", start);
 			// Allow the next transaction to reopen the DB
-			connectionsLock.lock();
+			synchronized (connectionsLock) {
-			try {
 				closed = false;
-			} finally {
-				connectionsLock.unlock();
 			}
 			txn = startTransaction();
 			try {
@@ -2334,7 +2331,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 			ps.setInt(2, DELIVERED.getValue());
 			rs = ps.executeQuery();
 			rs.next();
-			long total = rs.getLong(1);
+			long total = rs.getInt(1);
 			rs.close();
 			ps.close();
 			return total;
@@ -3293,29 +3290,6 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	@Override
-	public void resetUnackedMessagesToSend(Connection txn, ContactId c)
-			throws DbException {
-		PreparedStatement ps = null;
-		try {
-			String sql = "UPDATE statuses SET expiry = 0, txCount = 0, eta = 0"
-					+ " WHERE contactId = ? AND state = ?"
-					+ " AND groupShared = TRUE AND messageShared = TRUE"
-					+ " AND deleted = FALSE AND seen = FALSE";
-			ps = txn.prepareStatement(sql);
-			ps.setInt(1, c.getInt());
-			ps.setInt(2, DELIVERED.getValue());
-			int affected = ps.executeUpdate();
-			if (affected < 0) {
-				throw new DbStateException();
-			}
-			ps.close();
-		} catch (SQLException e) {
-			tryToClose(ps, LOG, WARNING);
-			throw new DbException(e);
-		}
-	}
-
 	@Override
 	public void setCleanupTimerDuration(Connection txn, MessageId m,
 			long duration) throws DbException {

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxModule.java

@@ -1,16 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-
-import dagger.Module;
-import dagger.Provides;
-
-@Module
-public class MailboxModule {
-
-	@Provides
-	MailboxSettingsManager provideMailboxSettingsManager(
-			MailboxSettingsManagerImpl mailboxSettingsManager) {
-		return mailboxSettingsManager;
-	}
-}

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxSettingsManagerImpl.java

@@ -1,109 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.DbException;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-import org.briarproject.bramble.api.mailbox.MailboxStatus;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.settings.Settings;
-import org.briarproject.bramble.api.settings.SettingsManager;
-
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.Immutable;
-import javax.inject.Inject;
-
-import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
-
-@Immutable
-@NotNullByDefault
-class MailboxSettingsManagerImpl implements MailboxSettingsManager {
-
-	// Package access for testing
-	static final String SETTINGS_NAMESPACE = "mailbox";
-	static final String SETTINGS_KEY_ONION = "onion";
-	static final String SETTINGS_KEY_TOKEN = "token";
-	static final String SETTINGS_KEY_LAST_ATTEMPT = "lastAttempt";
-	static final String SETTINGS_KEY_LAST_SUCCESS = "lastSuccess";
-	static final String SETTINGS_KEY_ATTEMPTS = "attempts";
-	static final String SETTINGS_UPLOADS_NAMESPACE = "mailbox-uploads";
-
-	private final SettingsManager settingsManager;
-
-	@Inject
-	MailboxSettingsManagerImpl(SettingsManager settingsManager) {
-		this.settingsManager = settingsManager;
-	}
-
-	@Override
-	public MailboxProperties getOwnMailboxProperties(Transaction txn)
-			throws DbException {
-		Settings s = settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		String onion = s.get(SETTINGS_KEY_ONION);
-		String token = s.get(SETTINGS_KEY_TOKEN);
-		if (isNullOrEmpty(onion) || isNullOrEmpty(token)) return null;
-		return new MailboxProperties(onion, token, true);
-	}
-
-	@Override
-	public void setOwnMailboxProperties(Transaction txn, MailboxProperties p)
-			throws DbException {
-		Settings s = new Settings();
-		s.put(SETTINGS_KEY_ONION, p.getOnionAddress());
-		s.put(SETTINGS_KEY_TOKEN, p.getAuthToken());
-		settingsManager.mergeSettings(txn, s, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public MailboxStatus getOwnMailboxStatus(Transaction txn)
-			throws DbException {
-		Settings s = settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		long lastAttempt = s.getLong(SETTINGS_KEY_LAST_ATTEMPT, -1);
-		long lastSuccess = s.getLong(SETTINGS_KEY_LAST_SUCCESS, -1);
-		int attempts = s.getInt(SETTINGS_KEY_ATTEMPTS, 0);
-		return new MailboxStatus(lastAttempt, lastSuccess, attempts);
-	}
-
-	@Override
-	public void recordSuccessfulConnection(Transaction txn, long now)
-			throws DbException {
-		Settings s = new Settings();
-		s.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		s.putLong(SETTINGS_KEY_LAST_SUCCESS, now);
-		s.putInt(SETTINGS_KEY_ATTEMPTS, 0);
-		settingsManager.mergeSettings(txn, s, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public void recordFailedConnectionAttempt(Transaction txn, long now)
-			throws DbException {
-		Settings oldSettings =
-				settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		int attempts = oldSettings.getInt(SETTINGS_KEY_ATTEMPTS, 0);
-		Settings newSettings = new Settings();
-		newSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		newSettings.putInt(SETTINGS_KEY_ATTEMPTS, attempts + 1);
-		settingsManager.mergeSettings(txn, newSettings, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public void setPendingUpload(Transaction txn, ContactId id,
-			@Nullable String filename) throws DbException {
-		Settings s = new Settings();
-		String value = filename == null ? "" : filename;
-		s.put(String.valueOf(id.getInt()), value);
-		settingsManager.mergeSettings(txn, s, SETTINGS_UPLOADS_NAMESPACE);
-	}
-
-	@Nullable
-	@Override
-	public String getPendingUpload(Transaction txn, ContactId id)
-			throws DbException {
-		Settings s =
-				settingsManager.getSettings(txn, SETTINGS_UPLOADS_NAMESPACE);
-		String filename = s.get(String.valueOf(id.getInt()));
-		if (isNullOrEmpty(filename)) return null;
-		return filename;
-	}
-}

bramble-core/src/main/java/org/briarproject/bramble/plugin/tcp/TcpPlugin.java

@@ -28,9 +28,11 @@ import java.net.InterfaceAddress;
 import java.net.NetworkInterface;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.net.SocketException;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Enumeration;
 import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -51,7 +53,7 @@ import static org.briarproject.bramble.api.plugin.Plugin.State.DISABLED;
 import static org.briarproject.bramble.api.plugin.Plugin.State.INACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
 import static org.briarproject.bramble.util.IoUtils.tryToClose;
-import static org.briarproject.bramble.util.NetworkUtils.getNetworkInterfaces;
+import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.bramble.util.PrivacyUtils.scrubSocketAddress;
 import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
 
@@ -96,6 +98,7 @@ abstract class TcpPlugin implements DuplexPlugin, EventListener {
 	/**
 	 * Returns true if connections to the given address can be attempted.
 	 */
+	@SuppressWarnings("BooleanMethodIsAlwaysInverted")
 	protected abstract boolean isConnectable(InterfaceAddress local,
 			InetSocketAddress remote);
 
@@ -395,6 +398,17 @@ abstract class TcpPlugin implements DuplexPlugin, EventListener {
 		return addrs;
 	}
 
+	private List<NetworkInterface> getNetworkInterfaces() {
+		try {
+			Enumeration<NetworkInterface> ifaces =
+					NetworkInterface.getNetworkInterfaces();
+			return ifaces == null ? emptyList() : list(ifaces);
+		} catch (SocketException e) {
+			logException(LOG, WARNING, e);
+			return emptyList();
+		}
+	}
+
 	@Override
 	public void eventOccurred(Event e) {
 		if (e instanceof SettingsUpdatedEvent) {

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/CircumventionProvider.java

@@ -1,71 +1,40 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.util.List;
 
-@NotNullByDefault
+// TODO: Create a module for this so it doesn't have to be public
-public interface CircumventionProvider {
 
-	enum BridgeType {
+public interface CircumventionProvider {
-		DEFAULT_OBFS4,
-		NON_DEFAULT_OBFS4,
-		MEEK
-	}
 
 	/**
 	 * Countries where Tor is blocked, i.e. vanilla Tor connection won't work.
-	 * <p>
+	 *
 	 * See https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
 	 * and https://trac.torproject.org/projects/tor/wiki/doc/OONI/censorshipwiki
 	 */
-	String[] BLOCKED = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
+	String[] BLOCKED = {"CN", "IR", "EG", "BY", "TR", "SY", "VE"};
 
 	/**
 	 * Countries where obfs4 or meek bridge connections are likely to work.
-	 * Should be a subset of {@link #BLOCKED} and the union of
+	 * Should be a subset of {@link #BLOCKED}.
-	 * {@link #DEFAULT_OBFS4_BRIDGES}, {@link #NON_DEFAULT_OBFS4_BRIDGES} and
-	 * {@link #MEEK_BRIDGES}.
 	 */
-	String[] BRIDGES = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
+	String[] BRIDGES = { "CN", "IR", "EG", "BY", "TR", "SY", "VE" };
-
-	/**
-	 * Countries where default obfs4 bridges are likely to work.
-	 * Should be a subset of {@link #BRIDGES}.
-	 */
-	String[] DEFAULT_OBFS4_BRIDGES = {"EG", "BY", "TR", "SY", "VE"};
-
-	/**
-	 * Countries where non-default obfs4 bridges are likely to work.
-	 * Should be a subset of {@link #BRIDGES}.
-	 */
-	String[] NON_DEFAULT_OBFS4_BRIDGES = {"RU"};
 
 	/**
 	 * Countries where obfs4 bridges won't work and meek is needed.
 	 * Should be a subset of {@link #BRIDGES}.
 	 */
-	String[] MEEK_BRIDGES = {"CN", "IR"};
+	String[] NEEDS_MEEK = {"CN", "IR"};
 
-	/**
-	 * Returns true if vanilla Tor connections are blocked in the given country.
-	 */
 	boolean isTorProbablyBlocked(String countryCode);
 
-	/**
-	 * Returns true if bridge connections of some type work in the given
-	 * country.
-	 */
 	boolean doBridgesWork(String countryCode);
 
-	/**
+	boolean needsMeek(String countryCode);
-	 * Returns the best type of bridge connection for the given country, or
-	 * {@link #DEFAULT_OBFS4_BRIDGES} if no bridge type is known to work.
-	 */
-	BridgeType getBestBridgeType(String countryCode);
 
 	@IoExecutor
-	List<String> getBridges(BridgeType type);
+	List<String> getBridges(boolean meek);
 
 }

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/CircumventionProviderImpl.java

@@ -1,7 +1,6 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -10,31 +9,24 @@ import java.util.List;
 import java.util.Scanner;
 import java.util.Set;
 
-import javax.annotation.concurrent.Immutable;
+import javax.annotation.Nullable;
 import javax.inject.Inject;
 
 import static java.util.Arrays.asList;
-import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
 
-@Immutable
-@NotNullByDefault
 class CircumventionProviderImpl implements CircumventionProvider {
 
 	private final static String BRIDGE_FILE_NAME = "bridges";
 
 	private static final Set<String> BLOCKED_IN_COUNTRIES =
 			new HashSet<>(asList(BLOCKED));
-	private static final Set<String> BRIDGE_COUNTRIES =
+	private static final Set<String> BRIDGES_WORK_IN_COUNTRIES =
 			new HashSet<>(asList(BRIDGES));
-	private static final Set<String> DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+	private static final Set<String> BRIDGES_NEED_MEEK =
-			new HashSet<>(asList(DEFAULT_OBFS4_BRIDGES));
+			new HashSet<>(asList(NEEDS_MEEK));
-	private static final Set<String> NON_DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+
-			new HashSet<>(asList(NON_DEFAULT_OBFS4_BRIDGES));
+	@Nullable
-	private static final Set<String> MEEK_COUNTRIES =
+	private volatile List<String> bridges = null;
-			new HashSet<>(asList(MEEK_BRIDGES));
 
 	@Inject
 	CircumventionProviderImpl() {
@@ -47,42 +39,33 @@ class CircumventionProviderImpl implements CircumventionProvider {
 
 	@Override
 	public boolean doBridgesWork(String countryCode) {
-		return BRIDGE_COUNTRIES.contains(countryCode);
+		return BRIDGES_WORK_IN_COUNTRIES.contains(countryCode);
 	}
 
 	@Override
-	public BridgeType getBestBridgeType(String countryCode) {
+	public boolean needsMeek(String countryCode) {
-		if (DEFAULT_OBFS4_BRIDGE_COUNTRIES.contains(countryCode)) {
+		return BRIDGES_NEED_MEEK.contains(countryCode);
-			return DEFAULT_OBFS4;
-		} else if (NON_DEFAULT_OBFS4_BRIDGE_COUNTRIES.contains(countryCode)) {
-			return NON_DEFAULT_OBFS4;
-		} else if (MEEK_COUNTRIES.contains(countryCode)) {
-			return MEEK;
-		} else {
-			return DEFAULT_OBFS4;
-		}
 	}
 
 	@Override
 	@IoExecutor
-	public List<String> getBridges(BridgeType type) {
+	public List<String> getBridges(boolean useMeek) {
-		InputStream is = requireNonNull(getClass().getClassLoader()
+		List<String> bridges = this.bridges;
-				.getResourceAsStream(BRIDGE_FILE_NAME));
+		if (bridges != null) return new ArrayList<>(bridges);
+
+		InputStream is = getClass().getClassLoader()
+				.getResourceAsStream(BRIDGE_FILE_NAME);
 		Scanner scanner = new Scanner(is);
 
-		List<String> bridges = new ArrayList<>();
+		bridges = new ArrayList<>();
 		while (scanner.hasNextLine()) {
 			String line = scanner.nextLine();
-			boolean isDefaultObfs4 = line.startsWith("d ");
+			boolean isMeekBridge = line.startsWith("Bridge meek");
-			boolean isNonDefaultObfs4 = line.startsWith("n ");
+			if (useMeek && !isMeekBridge || !useMeek && isMeekBridge) continue;
-			boolean isMeek = line.startsWith("m ");
+			if (!line.startsWith("#")) bridges.add(line);
-			if ((type == DEFAULT_OBFS4 && isDefaultObfs4) ||
-					(type == NON_DEFAULT_OBFS4 && isNonDefaultObfs4) ||
-					(type == MEEK && isMeek)) {
-				bridges.add(line.substring(2));
-			}
 		}
 		scanner.close();
+		this.bridges = bridges;
 		return bridges;
 	}
 

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java

@@ -33,9 +33,7 @@ import org.briarproject.bramble.api.settings.event.SettingsUpdatedEvent;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
-import org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType;
 
-import java.io.ByteArrayInputStream;
 import java.io.EOFException;
 import java.io.File;
 import java.io.FileInputStream;
@@ -46,7 +44,6 @@ import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
-import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -71,16 +68,20 @@ import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
 import static net.freehaven.tor.control.TorControlCommands.HS_ADDRESS;
 import static net.freehaven.tor.control.TorControlCommands.HS_PRIVKEY;
+import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.DISABLED;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ENABLING;
 import static org.briarproject.bramble.api.plugin.Plugin.State.INACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
+import static org.briarproject.bramble.api.plugin.TorConstants.CONTROL_PORT;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_PLUGIN_ENABLE;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_MOBILE;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_NETWORK;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_ONLY_WHEN_CHARGING;
+import static org.briarproject.bramble.api.plugin.TorConstants.HS_PRIVATE_KEY_V2;
 import static org.briarproject.bramble.api.plugin.TorConstants.HS_PRIVATE_KEY_V3;
+import static org.briarproject.bramble.api.plugin.TorConstants.HS_V3_CREATED;
 import static org.briarproject.bramble.api.plugin.TorConstants.ID;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_MOBILE;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK;
@@ -89,11 +90,12 @@ import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_WITH_BRIDGES;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_ONLY_WHEN_CHARGING;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_PORT;
+import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V2;
 import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V3;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_BATTERY;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_COUNTRY_BLOCKED;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_MOBILE_DATA;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
+import static org.briarproject.bramble.api.plugin.TorConstants.V3_MIGRATION_PERIOD_MS;
 import static org.briarproject.bramble.plugin.tor.TorRendezvousCrypto.SEED_BYTES;
 import static org.briarproject.bramble.util.IoUtils.copyAndClose;
 import static org.briarproject.bramble.util.IoUtils.tryToClose;
@@ -113,6 +115,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private static final String OWNER = "__OwningControllerProcess";
 	private static final int COOKIE_TIMEOUT_MS = 3000;
 	private static final int COOKIE_POLLING_INTERVAL_MS = 200;
+	private static final Pattern ONION_V2 = Pattern.compile("[a-z2-7]{16}");
 	private static final Pattern ONION_V3 = Pattern.compile("[a-z2-7]{56}");
 
 	private final Executor ioExecutor, wakefulIoExecutor;
@@ -129,11 +132,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private final CircumventionProvider circumventionProvider;
 	private final ResourceProvider resourceProvider;
 	private final long maxLatency;
-	private final int maxIdleTime;
+	private final int maxIdleTime, socketTimeout;
-	private final int socketTimeout;
 	private final File torDirectory, geoIpFile, configFile;
-	private final int torSocksPort;
-	private final int torControlPort;
 	private final File doneFile, cookieFile;
 	private final AtomicBoolean used = new AtomicBoolean(false);
 
@@ -162,9 +162,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory,
+			File torDirectory) {
-			int torSocksPort,
-			int torControlPort) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.networkManager = networkManager;
@@ -184,8 +182,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			socketTimeout = Integer.MAX_VALUE;
 		else socketTimeout = maxIdleTime * 2;
 		this.torDirectory = torDirectory;
-		this.torSocksPort = torSocksPort;
-		this.torControlPort = torControlPort;
 		geoIpFile = new File(torDirectory, "geoip");
 		configFile = new File(torDirectory, "torrc");
 		doneFile = new File(torDirectory, "done");
@@ -281,7 +277,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					if (LOG.isLoggable(INFO)) listFiles(torDirectory);
 					throw new PluginException();
 				}
-				//noinspection BusyWait
 				Thread.sleep(COOKIE_POLLING_INTERVAL_MS);
 			}
 			LOG.info("Auth cookie created");
@@ -292,7 +287,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		}
 		try {
 			// Open a control connection and authenticate using the cookie file
-			controlSocket = new Socket("127.0.0.1", torControlPort);
+			controlSocket = new Socket("127.0.0.1", CONTROL_PORT);
 			controlConnection = new TorControlConnection(controlSocket);
 			controlConnection.authenticate(read(cookieFile));
 			// Tell Tor to exit when the control connection is closed
@@ -395,24 +390,9 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		return zin;
 	}
 
-	private static void append(StringBuilder strb, String name, int value) {
-		strb.append(name);
-		strb.append(" ");
-		strb.append(value);
-		strb.append("\n");
-	}
-
 	private InputStream getConfigInputStream() {
-		StringBuilder strb = new StringBuilder();
+		ClassLoader cl = getClass().getClassLoader();
-		append(strb, "ControlPort", torControlPort);
+		return requireNonNull(cl.getResourceAsStream("torrc"));
-		append(strb, "CookieAuthentication", 1);
-		append(strb, "DisableNetwork", 1);
-		append(strb, "RunAsDaemon", 1);
-		append(strb, "SafeSocks", 1);
-		append(strb, "SocksPort", torSocksPort);
-		//noinspection CharsetObjectCanBeUsed
-		return new ByteArrayInputStream(
-				strb.toString().getBytes(Charset.forName("UTF-8")));
 	}
 
 	private void listFiles(File f) {
@@ -477,10 +457,54 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 	private void publishHiddenService(String port) {
 		if (!state.isTorRunning()) return;
+		// TODO: Remove support for v2 hidden services after a reasonable
+		// migration period (migration started 2020-06-30)
+		String privKey2 = settings.get(HS_PRIVATE_KEY_V2);
 		String privKey3 = settings.get(HS_PRIVATE_KEY_V3);
+		String v3Created = settings.get(HS_V3_CREATED);
+		// Publish a v2 hidden service if we've already created one, and
+		// either we've never published a v3 hidden service or we're still
+		// in the migration period since first publishing it
+		if (!isNullOrEmpty(privKey2)) {
+			long now = clock.currentTimeMillis();
+			long then = v3Created == null ? now : Long.parseLong(v3Created);
+			if (now - then >= V3_MIGRATION_PERIOD_MS) retireV2HiddenService();
+			else publishV2HiddenService(port, privKey2);
+		}
 		publishV3HiddenService(port, privKey3);
 	}
 
+	private void publishV2HiddenService(String port, String privKey) {
+		LOG.info("Creating v2 hidden service");
+		Map<Integer, String> portLines = singletonMap(80, "127.0.0.1:" + port);
+		Map<String, String> response;
+		try {
+			response = controlConnection.addOnion(privKey, portLines);
+		} catch (IOException e) {
+			logException(LOG, WARNING, e);
+			return;
+		}
+		if (!response.containsKey(HS_ADDRESS)) {
+			LOG.warning("Tor did not return a hidden service address");
+			return;
+		}
+		String onion2 = response.get(HS_ADDRESS);
+		if (LOG.isLoggable(INFO)) {
+			LOG.info("V2 hidden service " + scrubOnion(onion2));
+		}
+		// The hostname has already been published and the private key stored
+	}
+
+	private void retireV2HiddenService() {
+		LOG.info("Retiring v2 hidden service");
+		TransportProperties p = new TransportProperties();
+		p.put(PROP_ONION_V2, "");
+		callback.mergeLocalProperties(p);
+		Settings s = new Settings();
+		s.put(HS_PRIVATE_KEY_V2, "");
+		callback.mergeSettings(s);
+	}
+
 	private void publishV3HiddenService(String port, @Nullable String privKey) {
 		LOG.info("Creating v3 hidden service");
 		Map<Integer, String> portLines = singletonMap(80, "127.0.0.1:" + port);
@@ -517,6 +541,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			// Save the hidden service's private key for next time
 			Settings s = new Settings();
 			s.put(HS_PRIVATE_KEY_V3, response.get(HS_PRIVKEY));
+			s.put(HS_V3_CREATED, String.valueOf(clock.currentTimeMillis()));
 			callback.mergeSettings(s);
 		}
 	}
@@ -544,20 +569,20 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
 	}
 
-	private void enableBridges(boolean enable, BridgeType bridgeType)
+	private void enableBridges(boolean enable, boolean needsMeek)
 			throws IOException {
 		if (enable) {
 			Collection<String> conf = new ArrayList<>();
 			conf.add("UseBridges 1");
 			File obfs4File = getObfs4ExecutableFile();
-			if (bridgeType == MEEK) {
+			if (needsMeek) {
 				conf.add("ClientTransportPlugin meek_lite exec " +
 						obfs4File.getAbsolutePath());
 			} else {
 				conf.add("ClientTransportPlugin obfs4 exec " +
 						obfs4File.getAbsolutePath());
 			}
-			conf.addAll(circumventionProvider.getBridges(bridgeType));
+			conf.addAll(circumventionProvider.getBridges(needsMeek));
 			controlConnection.setConf(conf);
 		} else {
 			controlConnection.setConf("UseBridges", "0");
@@ -623,30 +648,49 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	@Override
 	public DuplexTransportConnection createConnection(TransportProperties p) {
 		if (getState() != ACTIVE) return null;
+		// TODO: Remove support for v2 hidden services after a reasonable
+		// migration period (migration started 2020-06-30)
+		String bestOnion = null, version = null;
+		String onion2 = p.get(PROP_ONION_V2);
 		String onion3 = p.get(PROP_ONION_V3);
-		if (onion3 != null && !ONION_V3.matcher(onion3).matches()) {
+		if (!isNullOrEmpty(onion2)) {
-			// Don't scrub the address so we can find the problem
+			if (ONION_V2.matcher(onion2).matches()) {
-			if (LOG.isLoggable(INFO)) {
+				bestOnion = onion2;
-				LOG.info("Invalid v3 hostname: " + onion3);
+				version = "v2";
+			} else {
+				// Don't scrub the address so we can find the problem
+				if (LOG.isLoggable(INFO))
+					LOG.info("Invalid v2 hostname: " + onion2);
 			}
-			onion3 = null;
 		}
-		if (onion3 == null) return null;
+		if (!isNullOrEmpty(onion3)) {
+			if (ONION_V3.matcher(onion3).matches()) {
+				bestOnion = onion3;
+				version = "v3";
+			} else {
+				// Don't scrub the address so we can find the problem
+				if (LOG.isLoggable(INFO))
+					LOG.info("Invalid v3 hostname: " + onion3);
+			}
+		}
+		if (bestOnion == null) return null;
 		Socket s = null;
 		try {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connecting to v3 " + scrubOnion(onion3));
+				LOG.info("Connecting to " + version + " "
+						+ scrubOnion(bestOnion));
 			}
-			s = torSocketFactory.createSocket(onion3 + ".onion", 80);
+			s = torSocketFactory.createSocket(bestOnion + ".onion", 80);
 			s.setSoTimeout(socketTimeout);
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connected to v3 " + scrubOnion(onion3));
+				LOG.info("Connected to " + version + " "
+						+ scrubOnion(bestOnion));
 			}
 			return new TorTransportConnection(this, s);
 		} catch (IOException e) {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Could not connect to v3 "
+				LOG.info("Could not connect to " + version + " "
-						+ scrubOnion(onion3) + ": " + e.toString());
+						+ scrubOnion(bestOnion) + ": " + e.toString());
 			}
 			tryToClose(s, LOG, WARNING);
 			return null;
@@ -846,9 +890,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			int reasonsDisabled = 0;
 			boolean enableNetwork = false, enableBridges = false;
-			boolean enableConnectionPadding = false;
+			boolean useMeek = false, enableConnectionPadding = false;
-			BridgeType bridgeType =
-					circumventionProvider.getBestBridgeType(country);
 
 			if (!online) {
 				LOG.info("Disabling network, device is offline");
@@ -877,10 +919,14 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					enableNetwork = true;
 					if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
 							(automatic && bridgesWork)) {
-						if (ipv6Only) bridgeType = MEEK;
+						if (ipv6Only ||
-						enableBridges = true;
+								circumventionProvider.needsMeek(country)) {
-						if (LOG.isLoggable(INFO)) {
+							LOG.info("Using meek bridges");
-							LOG.info("Using bridge type " + bridgeType);
+							enableBridges = true;
+							useMeek = true;
+						} else {
+							LOG.info("Using obfs4 bridges");
+							enableBridges = true;
 						}
 					} else {
 						LOG.info("Not using bridges");
@@ -898,7 +944,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			try {
 				if (enableNetwork) {
-					enableBridges(enableBridges, bridgeType);
+					enableBridges(enableBridges, useMeek);
 					enableConnectionPadding(enableConnectionPadding);
 					useIpv6(ipv6Only);
 				}
@@ -938,17 +984,17 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		@Nullable
 		private ServerSocket serverSocket = null;
 
-		private synchronized void setStarted() {
+		synchronized void setStarted() {
 			started = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized boolean isTorRunning() {
+		synchronized boolean isTorRunning() {
 			return started && !stopped;
 		}
 
 		@Nullable
-		private synchronized ServerSocket setStopped() {
+		synchronized ServerSocket setStopped() {
 			stopped = true;
 			ServerSocket ss = serverSocket;
 			serverSocket = null;
@@ -956,44 +1002,44 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return ss;
 		}
 
-		private synchronized void setBootstrapped() {
+		synchronized void setBootstrapped() {
 			bootstrapped = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized boolean getAndSetCircuitBuilt() {
+		synchronized boolean getAndSetCircuitBuilt() {
 			boolean firstCircuit = !circuitBuilt;
 			circuitBuilt = true;
 			callback.pluginStateChanged(getState());
 			return firstCircuit;
 		}
 
-		private synchronized void enableNetwork(boolean enable) {
+		synchronized void enableNetwork(boolean enable) {
 			networkInitialised = true;
 			networkEnabled = enable;
 			if (!enable) circuitBuilt = false;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized void setReasonsDisabled(int reasonsDisabled) {
+		synchronized void setReasonsDisabled(int reasonsDisabled) {
 			settingsChecked = true;
 			this.reasonsDisabled = reasonsDisabled;
 			callback.pluginStateChanged(getState());
 		}
 
 		// Doesn't affect getState()
-		private synchronized boolean setServerSocket(ServerSocket ss) {
+		synchronized boolean setServerSocket(ServerSocket ss) {
 			if (stopped || serverSocket != null) return false;
 			serverSocket = ss;
 			return true;
 		}
 
 		// Doesn't affect getState()
-		private synchronized void clearServerSocket(ServerSocket ss) {
+		synchronized void clearServerSocket(ServerSocket ss) {
 			if (serverSocket == ss) serverSocket = null;
 		}
 
-		private synchronized State getState() {
+		synchronized State getState() {
 			if (!started || stopped || !settingsChecked) {
 				return STARTING_STOPPING;
 			}
@@ -1003,7 +1049,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return bootstrapped && circuitBuilt ? ACTIVE : ENABLING;
 		}
 
-		private synchronized int getReasonsDisabled() {
+		synchronized int getReasonsDisabled() {
 			return getState() == DISABLED ? reasonsDisabled : 0;
 		}
 	}

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorRendezvousCryptoImpl.java

@@ -4,26 +4,39 @@ import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
 import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec;
 
-import org.bouncycastle.util.encoders.Base64;
+import org.briarproject.bramble.util.Base32;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
+import org.spongycastle.crypto.Digest;
+import org.spongycastle.crypto.digests.SHA3Digest;
+import org.spongycastle.util.encoders.Base64;
 
 import java.nio.charset.Charset;
 
-class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
+import static java.lang.System.arraycopy;
+
+public class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
 
 	private static final EdDSANamedCurveSpec CURVE_SPEC =
 			EdDSANamedCurveTable.getByName("Ed25519");
 
-	private final CryptoComponent crypto;
+	private static final byte HS_PROTOCOL_VERSION = 3;
-
+	private static final int CHECKSUM_BYTES = 2;
-	TorRendezvousCryptoImpl(CryptoComponent crypto) {
-		this.crypto = crypto;
-	}
 
 	@Override
 	public String getOnionAddress(byte[] seed) {
 		EdDSAPrivateKeySpec spec = new EdDSAPrivateKeySpec(seed, CURVE_SPEC);
-		return crypto.encodeOnionAddress(spec.getA().toByteArray());
+		byte[] publicKey = spec.getA().toByteArray();
+		Digest digest = new SHA3Digest(256);
+		byte[] label = ".onion checksum".getBytes(Charset.forName("US-ASCII"));
+		digest.update(label, 0, label.length);
+		digest.update(publicKey, 0, publicKey.length);
+		digest.update(HS_PROTOCOL_VERSION);
+		byte[] checksum = new byte[digest.getDigestSize()];
+		digest.doFinal(checksum, 0);
+		byte[] address = new byte[publicKey.length + CHECKSUM_BYTES + 1];
+		arraycopy(publicKey, 0, address, 0, publicKey.length);
+		arraycopy(checksum, 0, address, publicKey.length, CHECKSUM_BYTES);
+		address[address.length - 1] = HS_PROTOCOL_VERSION;
+		return Base32.encode(address).toLowerCase();
 	}
 
 	@Override

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

@@ -1,11 +1,11 @@
 package org.briarproject.bramble.rendezvous;
 
-import org.bouncycastle.crypto.engines.Salsa20Engine;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.rendezvous.KeyMaterialSource;
+import org.spongycastle.crypto.engines.Salsa20Engine;
+import org.spongycastle.crypto.params.KeyParameter;
+import org.spongycastle.crypto.params.ParametersWithIV;
 
 import javax.annotation.concurrent.GuardedBy;
 import javax.annotation.concurrent.ThreadSafe;

bramble-core/src/main/java/org/briarproject/bramble/settings/SettingsManagerImpl.java

@@ -37,10 +37,4 @@ class SettingsManagerImpl implements SettingsManager {
 	public void mergeSettings(Settings s, String namespace) throws DbException {
 		db.transaction(false, txn -> db.mergeSettings(txn, s, namespace));
 	}
-
-	@Override
-	public void mergeSettings(Transaction txn, Settings s, String namespace)
-			throws DbException {
-		db.mergeSettings(txn, s, namespace);
-	}
 }

bramble-core/src/main/java/org/briarproject/bramble/socks/SocksModule.java

@@ -1,7 +1,5 @@
 package org.briarproject.bramble.socks;
 
-import org.briarproject.bramble.api.plugin.TorSocksPort;
-
 import java.net.InetSocketAddress;
 
 import javax.net.SocketFactory;
@@ -11,14 +9,15 @@ import dagger.Provides;
 
 import static org.briarproject.bramble.api.plugin.TorConstants.CONNECT_TO_PROXY_TIMEOUT;
 import static org.briarproject.bramble.api.plugin.TorConstants.EXTRA_SOCKET_TIMEOUT;
+import static org.briarproject.bramble.api.plugin.TorConstants.SOCKS_PORT;
 
 @Module
 public class SocksModule {
 
 	@Provides
-	SocketFactory provideTorSocketFactory(@TorSocksPort int torSocksPort) {
+	SocketFactory provideTorSocketFactory() {
 		InetSocketAddress proxy = new InetSocketAddress("127.0.0.1",
-				torSocksPort);
+				SOCKS_PORT);
 		return new SocksSocketFactory(proxy, CONNECT_TO_PROXY_TIMEOUT,
 				EXTRA_SOCKET_TIMEOUT);
 	}

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

@@ -215,23 +215,6 @@ class KeyManagerImpl implements KeyManager, Service, EventListener {
 						m.getStreamContext(txn, tag)));
 	}
 
-	@Override
-	public StreamContext getStreamContextOnly(TransportId t, byte[] tag)
-			throws DbException {
-		return withManager(t, m ->
-				db.transactionWithNullableResult(false, txn ->
-						m.getStreamContextOnly(txn, tag)));
-	}
-
-	@Override
-	public void markTagAsRecognised(TransportId t, byte[] tag)
-			throws DbException {
-		withManager(t, m -> {
-			db.transaction(false, txn -> m.markTagAsRecognised(txn, tag));
-			return null;
-		});
-	}
-
 	@Override
 	public void eventOccurred(Event e) {
 		if (e instanceof ContactRemovedEvent) {

bramble-core/src/main/java/org/briarproject/bramble/transport/TransportKeyManager.java

@@ -48,9 +48,4 @@ interface TransportKeyManager {
 	StreamContext getStreamContext(Transaction txn, byte[] tag)
 			throws DbException;
 
-	@Nullable
-	StreamContext getStreamContextOnly(Transaction txn, byte[] tag);
-
-	void markTagAsRecognised(Transaction txn, byte[] tag) throws DbException;
-
 }

bramble-core/src/main/java/org/briarproject/bramble/transport/TransportKeyManagerImpl.java

@@ -393,82 +393,56 @@ class TransportKeyManagerImpl implements TransportKeyManager {
 			throws DbException {
 		lock.lock();
 		try {
-			StreamContext ctx = streamContextFromTag(tag);
+			// Look up the incoming keys for the tag
-			if (ctx == null) return null;
+			TagContext tagCtx = inContexts.remove(new Bytes(tag));
-			markTagAsRecognised(txn, tag);
+			if (tagCtx == null) return null;
+			MutableIncomingKeys inKeys = tagCtx.inKeys;
+			// Create a stream context
+			StreamContext ctx = new StreamContext(tagCtx.contactId,
+					tagCtx.pendingContactId, transportId,
+					inKeys.getTagKey(), inKeys.getHeaderKey(),
+					tagCtx.streamNumber, tagCtx.handshakeMode);
+			// Update the reordering window
+			ReorderingWindow window = inKeys.getWindow();
+			Change change = window.setSeen(tagCtx.streamNumber);
+			// Add tags for any stream numbers added to the window
+			for (long streamNumber : change.getAdded()) {
+				byte[] addTag = new byte[TAG_LENGTH];
+				transportCrypto.encodeTag(addTag, inKeys.getTagKey(),
+						PROTOCOL_VERSION, streamNumber);
+				TagContext tagCtx1 = new TagContext(tagCtx.keySetId,
+						tagCtx.contactId, tagCtx.pendingContactId, inKeys,
+						streamNumber, tagCtx.handshakeMode);
+				inContexts.put(new Bytes(addTag), tagCtx1);
+			}
+			// Remove tags for any stream numbers removed from the window
+			for (long streamNumber : change.getRemoved()) {
+				if (streamNumber == tagCtx.streamNumber) continue;
+				byte[] removeTag = new byte[TAG_LENGTH];
+				transportCrypto.encodeTag(removeTag, inKeys.getTagKey(),
+						PROTOCOL_VERSION, streamNumber);
+				inContexts.remove(new Bytes(removeTag));
+			}
+			// Write the window back to the DB
+			db.setReorderingWindow(txn, tagCtx.keySetId, transportId,
+					inKeys.getTimePeriod(), window.getBase(),
+					window.getBitmap());
+			// If the outgoing keys are inactive, activate them
+			MutableTransportKeySet ks = keys.get(tagCtx.keySetId);
+			MutableOutgoingKeys outKeys =
+					ks.getKeys().getCurrentOutgoingKeys();
+			if (!outKeys.isActive()) {
+				LOG.info("Activating outgoing keys");
+				outKeys.activate();
+				considerReplacingOutgoingKeys(ks);
+				db.setTransportKeysActive(txn, transportId, tagCtx.keySetId);
+			}
 			return ctx;
 		} finally {
 			lock.unlock();
 		}
 	}
 
-	@Override
-	public StreamContext getStreamContextOnly(Transaction txn, byte[] tag) {
-		lock.lock();
-		try {
-			return streamContextFromTag(tag);
-		} finally {
-			lock.unlock();
-		}
-	}
-
-	@GuardedBy("lock")
-	@Nullable
-	private StreamContext streamContextFromTag(byte[] tag) {
-		// Look up the incoming keys for the tag
-		TagContext tagCtx = inContexts.get(new Bytes(tag));
-		if (tagCtx == null) return null;
-		MutableIncomingKeys inKeys = tagCtx.inKeys;
-		// Create a stream context
-		return new StreamContext(tagCtx.contactId,
-				tagCtx.pendingContactId, transportId,
-				inKeys.getTagKey(), inKeys.getHeaderKey(),
-				tagCtx.streamNumber, tagCtx.handshakeMode);
-	}
-
-	@Override
-	public void markTagAsRecognised(Transaction txn, byte[] tag)
-			throws DbException {
-		TagContext tagCtx = inContexts.remove(new Bytes(tag));
-		if (tagCtx == null) return;
-		MutableIncomingKeys inKeys = tagCtx.inKeys;
-		// Update the reordering window
-		ReorderingWindow window = inKeys.getWindow();
-		Change change = window.setSeen(tagCtx.streamNumber);
-		// Add tags for any stream numbers added to the window
-		for (long streamNumber : change.getAdded()) {
-			byte[] addTag = new byte[TAG_LENGTH];
-			transportCrypto.encodeTag(addTag, inKeys.getTagKey(),
-					PROTOCOL_VERSION, streamNumber);
-			TagContext tagCtx1 = new TagContext(tagCtx.keySetId,
-					tagCtx.contactId, tagCtx.pendingContactId, inKeys,
-					streamNumber, tagCtx.handshakeMode);
-			inContexts.put(new Bytes(addTag), tagCtx1);
-		}
-		// Remove tags for any stream numbers removed from the window
-		for (long streamNumber : change.getRemoved()) {
-			if (streamNumber == tagCtx.streamNumber) continue;
-			byte[] removeTag = new byte[TAG_LENGTH];
-			transportCrypto.encodeTag(removeTag, inKeys.getTagKey(),
-					PROTOCOL_VERSION, streamNumber);
-			inContexts.remove(new Bytes(removeTag));
-		}
-		// Write the window back to the DB
-		db.setReorderingWindow(txn, tagCtx.keySetId, transportId,
-				inKeys.getTimePeriod(), window.getBase(),
-				window.getBitmap());
-		// If the outgoing keys are inactive, activate them
-		MutableTransportKeySet ks = keys.get(tagCtx.keySetId);
-		MutableOutgoingKeys outKeys =
-				ks.getKeys().getCurrentOutgoingKeys();
-		if (!outKeys.isActive()) {
-			LOG.info("Activating outgoing keys");
-			outKeys.activate();
-			considerReplacingOutgoingKeys(ks);
-			db.setTransportKeysActive(txn, transportId, tagCtx.keySetId);
-		}
-	}
-
 	@DatabaseExecutor
 	@Wakeful
 	private void updateKeys(Transaction txn) throws DbException {

bramble-core/src/main/resources/bridges

@@ -1,17 +1,10 @@
-d Bridge obfs4 38.229.1.78:80 C8CBDB2464FC9804A69531437BCF2BE31FDD2EE4 cert=Hmyfd2ev46gGY7NoVxA9ngrPF2zCZtzskRTzoWXbxNkzeVnGFPWmrTtILRyqCTjHR+s9dg iat-mode=1
+Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
-d Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
+Bridge obfs4 85.31.186.26:443 91A6354697E6B02A386312F68D82CF86824D3606 cert=PBwr+S8JTVZo6MPdHnkTwXJPILWADLqfMGoVvhZClMq/Urndyd42BwX9YFJHZnBB3H0XCw iat-mode=0
-d Bridge obfs4 85.31.186.98:443 011F2599C0E9B27EE74B353155E244813763C3E5 cert=ayq0XzCwhpdysn5o0EyDUbmSOx3X/oTEbzDMvczHOdBJKlvIdHHLJGkZARtT4dcBFArPPg iat-mode=0
+Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
-d Bridge obfs4 85.31.186.26:443 91A6354697E6B02A386312F68D82CF86824D3606 cert=PBwr+S8JTVZo6MPdHnkTwXJPILWADLqfMGoVvhZClMq/Urndyd42BwX9YFJHZnBB3H0XCw iat-mode=0
+Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
-d Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
+Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
-d Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
+Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
-d Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
+Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
-d Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
+Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
-d Bridge obfs4 146.57.248.225:22 10A6CD36A537FCE513A322361547444B393989F0 cert=K1gDtDAIcUfeLqbstggjIw2rtgIKqdIhUlHp82XRqNSq/mtAjp1BIC9vHKJ2FAEpGssTPw iat-mode=0
+Bridge obfs4 78.46.188.239:37356 5A2D2F4158D0453E00C7C176978D3F41D69C45DB cert=3c0SwxpOisbohNxEc4tb875RVW8eOu1opRTVXJhafaKA/PNNtI7ElQIVOVZg1AdL5bxGCw iat-mode=0
-d Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
+Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com
-d Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
-d Bridge obfs4 185.100.85.3:443 5B403DFE34F4872EB027059CECAE30B0C864B3A2 cert=bWUdFUe8io9U6JkSLoGAvSAUDcB779/shovCYmYAQb/pW/iEAMZtO/lCd94OokOF909TPA iat-mode=2
-n Bridge obfs4 46.226.107.197:10300 A38FD6BDFD902882F5F5B9B7CCC95602A20B0BC4 cert=t8tA9q2AeGlmp/dO6oW9bkY5RqqmvqjArCEM9wjJoDnk6XtnaejkF0JTA7VamdyOzcvuBg iat-mode=0
-n Bridge obfs4 74.104.165.202:9002 EF432018A6AA5D970B2F84E39CD30A147030141C cert=PhppfUusY85dHGvWtGTybZ1fED4DtbHmALkNMIOIYrAz1B4xN7/2a5gyiZe1epju1BOHVg iat-mode=0
-n Bridge obfs4 23.88.49.56:443 1CDA1660823AE2565D7F50DE8EB99DFDDE96074B cert=4bwNXedHutVD0ZqCm6ph90Vik9dRY4n9qnBHiLiqQOSsIvui4iHwuMFQK6oqiK8tyhVcDw iat-mode=0
-n Bridge obfs4 185.65.206.101:443 8A3E001D4C5105ED41060597DEEB21FF19CDC4D3 cert=Nd6XZ+f00sGKL1u6USmyvfqR34HN/pt7jEVbgMpXPF/yyGaLBiXRH/x0SIjX5TceYnd+Dg iat-mode=0
-m Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com

bramble-core/src/main/resources/torrc

@@ -0,0 +1,6 @@
+ControlPort 59051
+CookieAuthentication 1
+DisableNetwork 1
+RunAsDaemon 1
+SafeSocks 1
+SocksPort 59050

bramble-core/src/test/java/org/briarproject/bramble/client/ClientHelperImplTest.java

@@ -24,10 +24,11 @@ import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageFactory;
 import org.briarproject.bramble.api.sync.MessageId;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.briarproject.bramble.test.DbExpectations;
 import org.briarproject.bramble.util.StringUtils;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import java.io.ByteArrayOutputStream;
@@ -52,8 +53,9 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
-public class ClientHelperImplTest extends BrambleMockTestCase {
+public class ClientHelperImplTest extends BrambleTestCase {
 
+	private final Mockery context = new Mockery();
 	private final DatabaseComponent db = context.mock(DatabaseComponent.class);
 	private final MessageFactory messageFactory =
 			context.mock(MessageFactory.class);
@@ -98,6 +100,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.addLocalMessage(message, dictionary, shared);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -109,6 +112,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.createMessage(groupId, timestamp, list);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -123,6 +127,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.getMessageAsList(messageId);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -139,6 +144,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(dictionary,
 				clientHelper.getGroupMetadataAsDictionary(groupId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -155,6 +161,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(dictionary,
 				clientHelper.getMessageMetadataAsDictionary(messageId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -172,6 +179,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		assertEquals(map, clientHelper.getMessageMetadataAsDictionary(groupId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -196,6 +204,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(map,
 				clientHelper.getMessageMetadataAsDictionary(groupId, query));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -210,6 +219,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.mergeGroupMetadata(groupId, dictionary);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -224,6 +234,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.mergeMessageMetadata(messageId, dictionary);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -231,6 +242,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		byte[] bytes = expectToByteArray(list);
 
 		assertArrayEquals(bytes, clientHelper.toByteArray(list));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -238,6 +250,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		expectToList(true);
 
 		assertEquals(list, clientHelper.toList(getRandomBytes(123)));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -249,6 +262,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 			fail();
 		} catch (FormatException e) {
 			// expected
+			context.assertIsSatisfied();
 		}
 	}
 
@@ -265,6 +279,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertArrayEquals(signature,
 				clientHelper.sign(label, list, privateKey));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -280,6 +295,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.verifySignature(signature, label, list, publicKey);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -299,6 +315,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 			fail();
 		} catch (GeneralSecurityException e) {
 			// expected
+			context.assertIsSatisfied();
 		}
 	}
 

bramble-core/src/test/java/org/briarproject/bramble/crypto/Blake2bDigestTest.java

@@ -1,9 +1,9 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.digests.Blake2bDigest;
 import org.briarproject.bramble.test.BrambleTestCase;
 import org.briarproject.bramble.util.StringUtils;
 import org.junit.Test;
+import org.spongycastle.crypto.digests.Blake2bDigest;
 
 import java.util.Random;
 

bramble-core/src/test/java/org/briarproject/bramble/crypto/EllipticCurveMultiplicationTest.java

@@ -0,0 +1,115 @@
+package org.briarproject.bramble.crypto;
+
+import org.briarproject.bramble.test.BrambleTestCase;
+import org.junit.Test;
+import org.spongycastle.asn1.teletrust.TeleTrusTNamedCurves;
+import org.spongycastle.asn1.x9.X9ECParameters;
+import org.spongycastle.crypto.AsymmetricCipherKeyPair;
+import org.spongycastle.crypto.agreement.ECDHCBasicAgreement;
+import org.spongycastle.crypto.generators.ECKeyPairGenerator;
+import org.spongycastle.crypto.params.ECDomainParameters;
+import org.spongycastle.crypto.params.ECKeyGenerationParameters;
+import org.spongycastle.crypto.params.ECPrivateKeyParameters;
+import org.spongycastle.crypto.params.ECPublicKeyParameters;
+import org.spongycastle.math.ec.ECCurve;
+import org.spongycastle.math.ec.ECPoint;
+import org.spongycastle.math.ec.MontgomeryLadderMultiplier;
+
+import java.math.BigInteger;
+import java.security.SecureRandom;
+
+import static org.junit.Assert.assertEquals;
+
+public class EllipticCurveMultiplicationTest extends BrambleTestCase {
+
+	@Test
+	public void testMultiplierProducesSameResultsAsDefault() throws Exception {
+		// Instantiate the default implementation of the curve
+		X9ECParameters defaultX9Parameters =
+				TeleTrusTNamedCurves.getByName("brainpoolp256r1");
+		ECCurve defaultCurve = defaultX9Parameters.getCurve();
+		ECPoint defaultG = defaultX9Parameters.getG();
+		BigInteger defaultN = defaultX9Parameters.getN();
+		BigInteger defaultH = defaultX9Parameters.getH();
+		ECDomainParameters defaultParameters = new ECDomainParameters(
+				defaultCurve, defaultG, defaultN, defaultH);
+		// Instantiate an implementation using the Montgomery ladder multiplier
+		ECDomainParameters montgomeryParameters =
+				constantTime(defaultParameters);
+		// Generate two key pairs with each set of parameters, using the same
+		// deterministic PRNG for both sets of parameters
+		byte[] seed = new byte[32];
+		new SecureRandom().nextBytes(seed);
+		// Montgomery ladder multiplier
+		SecureRandom random = new PseudoSecureRandom(seed);
+		ECKeyGenerationParameters montgomeryGeneratorParams =
+				new ECKeyGenerationParameters(montgomeryParameters, random);
+		ECKeyPairGenerator montgomeryGenerator = new ECKeyPairGenerator();
+		montgomeryGenerator.init(montgomeryGeneratorParams);
+		AsymmetricCipherKeyPair montgomeryKeyPair1 =
+				montgomeryGenerator.generateKeyPair();
+		ECPrivateKeyParameters montgomeryPrivate1 =
+				(ECPrivateKeyParameters) montgomeryKeyPair1.getPrivate();
+		ECPublicKeyParameters montgomeryPublic1 =
+				(ECPublicKeyParameters) montgomeryKeyPair1.getPublic();
+		AsymmetricCipherKeyPair montgomeryKeyPair2 =
+				montgomeryGenerator.generateKeyPair();
+		ECPrivateKeyParameters montgomeryPrivate2 =
+				(ECPrivateKeyParameters) montgomeryKeyPair2.getPrivate();
+		ECPublicKeyParameters montgomeryPublic2 =
+				(ECPublicKeyParameters) montgomeryKeyPair2.getPublic();
+		// Default multiplier
+		random = new PseudoSecureRandom(seed);
+		ECKeyGenerationParameters defaultGeneratorParams =
+				new ECKeyGenerationParameters(defaultParameters, random);
+		ECKeyPairGenerator defaultGenerator = new ECKeyPairGenerator();
+		defaultGenerator.init(defaultGeneratorParams);
+		AsymmetricCipherKeyPair defaultKeyPair1 =
+				defaultGenerator.generateKeyPair();
+		ECPrivateKeyParameters defaultPrivate1 =
+				(ECPrivateKeyParameters) defaultKeyPair1.getPrivate();
+		ECPublicKeyParameters defaultPublic1 =
+				(ECPublicKeyParameters) defaultKeyPair1.getPublic();
+		AsymmetricCipherKeyPair defaultKeyPair2 =
+				defaultGenerator.generateKeyPair();
+		ECPrivateKeyParameters defaultPrivate2 =
+				(ECPrivateKeyParameters) defaultKeyPair2.getPrivate();
+		ECPublicKeyParameters defaultPublic2 =
+				(ECPublicKeyParameters) defaultKeyPair2.getPublic();
+		// The key pairs generated with both sets of parameters should be equal
+		assertEquals(montgomeryPrivate1.getD(), defaultPrivate1.getD());
+		assertEquals(montgomeryPublic1.getQ(), defaultPublic1.getQ());
+		assertEquals(montgomeryPrivate2.getD(), defaultPrivate2.getD());
+		assertEquals(montgomeryPublic2.getQ(), defaultPublic2.getQ());
+		// OK, all of the above was just sanity checks - now for the test!
+		ECDHCBasicAgreement agreement = new ECDHCBasicAgreement();
+		agreement.init(montgomeryPrivate1);
+		BigInteger sharedSecretMontgomeryMontgomery =
+				agreement.calculateAgreement(montgomeryPublic2);
+		agreement.init(montgomeryPrivate1);
+		BigInteger sharedSecretMontgomeryDefault =
+				agreement.calculateAgreement(defaultPublic2);
+		agreement.init(defaultPrivate1);
+		BigInteger sharedSecretDefaultMontgomery =
+				agreement.calculateAgreement(montgomeryPublic2);
+		agreement.init(defaultPrivate1);
+		BigInteger sharedSecretDefaultDefault =
+				agreement.calculateAgreement(defaultPublic2);
+		// Shared secrets calculated with different multipliers should be equal
+		assertEquals(sharedSecretMontgomeryMontgomery,
+				sharedSecretMontgomeryDefault);
+		assertEquals(sharedSecretMontgomeryMontgomery,
+				sharedSecretDefaultMontgomery);
+		assertEquals(sharedSecretMontgomeryMontgomery,
+				sharedSecretDefaultDefault);
+	}
+
+	private static ECDomainParameters constantTime(ECDomainParameters in) {
+		ECCurve curve = in.getCurve().configure().setMultiplier(
+				new MontgomeryLadderMultiplier()).create();
+		BigInteger x = in.getG().getAffineXCoord().toBigInteger();
+		BigInteger y = in.getG().getAffineYCoord().toBigInteger();
+		ECPoint g = curve.createPoint(x, y);
+		return new ECDomainParameters(curve, g, in.getN(), in.getH());
+	}
+}

bramble-core/src/test/java/org/briarproject/bramble/crypto/EllipticCurvePerformanceTest.java

@@ -3,26 +3,30 @@ package org.briarproject.bramble.crypto;
 import net.i2p.crypto.eddsa.EdDSASecurityProvider;
 import net.i2p.crypto.eddsa.KeyPairGenerator;
 
-import org.bouncycastle.asn1.sec.SECNamedCurves;
+import org.spongycastle.asn1.sec.SECNamedCurves;
-import org.bouncycastle.asn1.teletrust.TeleTrusTNamedCurves;
+import org.spongycastle.asn1.teletrust.TeleTrusTNamedCurves;
-import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.spongycastle.asn1.x9.X9ECParameters;
-import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.spongycastle.crypto.AsymmetricCipherKeyPair;
-import org.bouncycastle.crypto.BasicAgreement;
+import org.spongycastle.crypto.BasicAgreement;
-import org.bouncycastle.crypto.Digest;
+import org.spongycastle.crypto.Digest;
-import org.bouncycastle.crypto.agreement.ECDHBasicAgreement;
+import org.spongycastle.crypto.agreement.ECDHBasicAgreement;
-import org.bouncycastle.crypto.agreement.ECDHCBasicAgreement;
+import org.spongycastle.crypto.agreement.ECDHCBasicAgreement;
-import org.bouncycastle.crypto.digests.Blake2bDigest;
+import org.spongycastle.crypto.digests.Blake2bDigest;
-import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
+import org.spongycastle.crypto.generators.ECKeyPairGenerator;
-import org.bouncycastle.crypto.params.ECDomainParameters;
+import org.spongycastle.crypto.params.ECDomainParameters;
-import org.bouncycastle.crypto.params.ECKeyGenerationParameters;
+import org.spongycastle.crypto.params.ECKeyGenerationParameters;
-import org.bouncycastle.crypto.params.ParametersWithRandom;
+import org.spongycastle.crypto.params.ParametersWithRandom;
-import org.bouncycastle.crypto.signers.DSADigestSigner;
+import org.spongycastle.crypto.signers.DSADigestSigner;
-import org.bouncycastle.crypto.signers.DSAKCalculator;
+import org.spongycastle.crypto.signers.DSAKCalculator;
-import org.bouncycastle.crypto.signers.ECDSASigner;
+import org.spongycastle.crypto.signers.ECDSASigner;
-import org.bouncycastle.crypto.signers.HMacDSAKCalculator;
+import org.spongycastle.crypto.signers.HMacDSAKCalculator;
+import org.spongycastle.math.ec.ECCurve;
+import org.spongycastle.math.ec.ECPoint;
+import org.spongycastle.math.ec.MontgomeryLadderMultiplier;
 import org.whispersystems.curve25519.Curve25519;
 import org.whispersystems.curve25519.Curve25519KeyPair;
 
+import java.math.BigInteger;
 import java.security.GeneralSecurityException;
 import java.security.KeyPair;
 import java.security.Provider;
@@ -51,12 +55,14 @@ public class EllipticCurvePerformanceTest {
 		for (String name : SEC_NAMES) {
 			ECDomainParameters params =
 					convertParams(SECNamedCurves.getByName(name));
-			runTest(name, params);
+			runTest(name + " default", params);
+			runTest(name + " constant", constantTime(params));
 		}
 		for (String name : BRAINPOOL_NAMES) {
 			ECDomainParameters params =
 					convertParams(TeleTrusTNamedCurves.getByName(name));
-			runTest(name, params);
+			runTest(name + " default", params);
+			runTest(name + " constant", constantTime(params));
 		}
 		runCurve25519Test();
 		runEd25519Test();
@@ -187,4 +193,13 @@ public class EllipticCurvePerformanceTest {
 		return new ECDomainParameters(in.getCurve(), in.getG(), in.getN(),
 				in.getH());
 	}
+
+	private static ECDomainParameters constantTime(ECDomainParameters in) {
+		ECCurve curve = in.getCurve().configure().setMultiplier(
+				new MontgomeryLadderMultiplier()).create();
+		BigInteger x = in.getG().getAffineXCoord().toBigInteger();
+		BigInteger y = in.getG().getAffineYCoord().toBigInteger();
+		ECPoint g = curve.createPoint(x, y);
+		return new ECDomainParameters(curve, g, in.getN(), in.getH());
+	}
 }

bramble-core/src/test/java/org/briarproject/bramble/crypto/MessageEncrypterTest.java

@@ -1,11 +1,11 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.CryptoException;
 import org.briarproject.bramble.api.crypto.KeyPair;
 import org.briarproject.bramble.api.crypto.PrivateKey;
 import org.briarproject.bramble.api.crypto.PublicKey;
 import org.briarproject.bramble.test.BrambleTestCase;
 import org.junit.Test;
+import org.spongycastle.crypto.CryptoException;
 
 import java.security.SecureRandom;
 

bramble-core/src/test/java/org/briarproject/bramble/crypto/PseudoRandom.java

@@ -1,11 +1,11 @@
 package org.briarproject.bramble.crypto;
 
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.Blake2bDigest;
-import org.bouncycastle.crypto.engines.Salsa20Engine;
-import org.bouncycastle.crypto.params.KeyParameter;
-import org.bouncycastle.crypto.params.ParametersWithIV;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.spongycastle.crypto.Digest;
+import org.spongycastle.crypto.digests.Blake2bDigest;
+import org.spongycastle.crypto.engines.Salsa20Engine;
+import org.spongycastle.crypto.params.KeyParameter;
+import org.spongycastle.crypto.params.ParametersWithIV;
 
 import javax.annotation.concurrent.NotThreadSafe;
 

bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java

@@ -2197,55 +2197,6 @@ public abstract class JdbcDatabaseTest extends BrambleTestCase {
 		db.close();
 	}
 
-	@Test
-	public void testResetRetransmissionTimes() throws Exception {
-		long now = System.currentTimeMillis();
-		AtomicLong time = new AtomicLong(now);
-		Database<Connection> db =
-				open(false, new TestMessageFactory(), new SettableClock(time));
-		Connection txn = db.startTransaction();
-
-		// Add a contact, a shared group and a shared message
-		db.addIdentity(txn, identity);
-		assertEquals(contactId,
-				db.addContact(txn, author, localAuthor.getId(), null, true));
-		db.addGroup(txn, group);
-		db.addGroupVisibility(txn, contactId, groupId, true);
-		db.addMessage(txn, message, DELIVERED, true, false, null);
-
-		// Time: now
-		// Retrieve the message from the database
-		Collection<MessageId> ids = db.getMessagesToSend(txn, contactId,
-				ONE_MEGABYTE, MAX_LATENCY);
-		assertEquals(singletonList(messageId), ids);
-
-		// Time: now
-		// Mark the message as sent
-		db.updateExpiryTimeAndEta(txn, contactId, messageId, MAX_LATENCY);
-
-		// The message should expire after 2 * MAX_LATENCY
-		assertEquals(now + MAX_LATENCY * 2, db.getNextSendTime(txn, contactId));
-
-		// Time: now + MAX_LATENCY * 2 - 1
-		// The message should not yet be sendable
-		time.set(now + MAX_LATENCY * 2 - 1);
-		ids = db.getMessagesToSend(txn, contactId, ONE_MEGABYTE, MAX_LATENCY);
-		assertTrue(ids.isEmpty());
-
-		// Reset the retransmission times
-		db.resetUnackedMessagesToSend(txn, contactId);
-
-		// The message should have infinitely short expiry
-		assertEquals(0, db.getNextSendTime(txn, contactId));
-
-		// The message should be sendable
-		ids = db.getMessagesToSend(txn, contactId, ONE_MEGABYTE, MAX_LATENCY);
-		assertFalse(ids.isEmpty());
-
-		db.commitTransaction(txn);
-		db.close();
-	}
-
 	@Test
 	public void testCompactionTime() throws Exception {
 		MessageFactory messageFactory = new TestMessageFactory();

bramble-core/src/test/java/org/briarproject/bramble/keyagreement/KeyAgreementProtocolTest.java

@@ -12,7 +12,6 @@ import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
 import org.jmock.auto.Mock;
 import org.jmock.integration.junit4.JUnitRuleMockery;
-import org.jmock.lib.concurrent.Synchroniser;
 import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.Rule;
 import org.junit.Test;
@@ -36,7 +35,6 @@ public class KeyAgreementProtocolTest extends BrambleTestCase {
 	public JUnitRuleMockery context = new JUnitRuleMockery() {{
 		// So we can mock concrete classes like KeyAgreementTransport
 		setImposteriser(ClassImposteriser.INSTANCE);
-		setThreadingPolicy(new Synchroniser());
 	}};
 
 	private final PublicKey alicePubKey = getAgreementPublicKey();

bramble-core/src/test/java/org/briarproject/bramble/mailbox/MailboxSettingsManagerImplTest.java

@@ -1,225 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-import org.briarproject.bramble.api.mailbox.MailboxStatus;
-import org.briarproject.bramble.api.settings.Settings;
-import org.briarproject.bramble.api.settings.SettingsManager;
-import org.briarproject.bramble.test.BrambleMockTestCase;
-import org.jmock.Expectations;
-import org.junit.Test;
-
-import java.util.Random;
-
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_ATTEMPTS;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_LAST_ATTEMPT;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_LAST_SUCCESS;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_ONION;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_TOKEN;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_NAMESPACE;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_UPLOADS_NAMESPACE;
-import static org.briarproject.bramble.util.StringUtils.getRandomString;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-public class MailboxSettingsManagerImplTest extends BrambleMockTestCase {
-
-	private final SettingsManager settingsManager =
-			context.mock(SettingsManager.class);
-
-	private final MailboxSettingsManager manager =
-			new MailboxSettingsManagerImpl(settingsManager);
-	private final Random random = new Random();
-	private final String onion = getRandomString(64);
-	private final String token = getRandomString(64);
-	private final ContactId contactId1 = new ContactId(random.nextInt());
-	private final ContactId contactId2 = new ContactId(random.nextInt());
-	private final ContactId contactId3 = new ContactId(random.nextInt());
-	private final long now = System.currentTimeMillis();
-	private final long lastAttempt = now - 1234;
-	private final long lastSuccess = now - 2345;
-	private final int attempts = 123;
-
-	@Test
-	public void testReturnsNullPropertiesIfSettingsAreEmpty() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings emptySettings = new Settings();
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(emptySettings));
-		}});
-
-		assertNull(manager.getOwnMailboxProperties(txn));
-	}
-
-	@Test
-	public void testReturnsProperties() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.put(SETTINGS_KEY_ONION, onion);
-		settings.put(SETTINGS_KEY_TOKEN, token);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		MailboxProperties properties = manager.getOwnMailboxProperties(txn);
-		assertNotNull(properties);
-		assertEquals(onion, properties.getOnionAddress());
-		assertEquals(token, properties.getAuthToken());
-		assertTrue(properties.isOwner());
-	}
-
-	@Test
-	public void testStoresProperties() throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.put(SETTINGS_KEY_ONION, onion);
-		expectedSettings.put(SETTINGS_KEY_TOKEN, token);
-		MailboxProperties properties =
-				new MailboxProperties(onion, token, true);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.setOwnMailboxProperties(txn, properties);
-	}
-
-	@Test
-	public void testReturnsDefaultStatusIfSettingsAreEmpty() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings emptySettings = new Settings();
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(emptySettings));
-		}});
-
-		MailboxStatus status = manager.getOwnMailboxStatus(txn);
-		assertEquals(-1, status.getTimeOfLastAttempt());
-		assertEquals(-1, status.getTimeOfLastSuccess());
-		assertEquals(0, status.getAttemptsSinceSuccess());
-	}
-
-	@Test
-	public void testReturnsStatus() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.putLong(SETTINGS_KEY_LAST_ATTEMPT, lastAttempt);
-		settings.putLong(SETTINGS_KEY_LAST_SUCCESS, lastSuccess);
-		settings.putInt(SETTINGS_KEY_ATTEMPTS, attempts);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		MailboxStatus status = manager.getOwnMailboxStatus(txn);
-		assertEquals(lastAttempt, status.getTimeOfLastAttempt());
-		assertEquals(lastSuccess, status.getTimeOfLastSuccess());
-		assertEquals(attempts, status.getAttemptsSinceSuccess());
-	}
-
-	@Test
-	public void testRecordsSuccess() throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		expectedSettings.putLong(SETTINGS_KEY_LAST_SUCCESS, now);
-		expectedSettings.putInt(SETTINGS_KEY_ATTEMPTS, 0);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.recordSuccessfulConnection(txn, now);
-	}
-
-	@Test
-	public void testRecordsFailureOnFirstAttempt() throws Exception {
-		testRecordsFailure(new Settings(), 0);
-	}
-
-	@Test
-	public void testRecordsFailureOnLaterAttempt() throws Exception {
-		Settings oldSettings = new Settings();
-		oldSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, lastAttempt);
-		oldSettings.putLong(SETTINGS_KEY_LAST_SUCCESS, lastSuccess);
-		oldSettings.putInt(SETTINGS_KEY_ATTEMPTS, attempts);
-		testRecordsFailure(oldSettings, attempts);
-	}
-
-	private void testRecordsFailure(Settings oldSettings, int oldAttempts)
-			throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		expectedSettings.putInt(SETTINGS_KEY_ATTEMPTS, oldAttempts + 1);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(oldSettings));
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.recordFailedConnectionAttempt(txn, now);
-	}
-
-	@Test
-	public void testGettingPendingUploads() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.put(String.valueOf(contactId1.getInt()), onion);
-		settings.put(String.valueOf(contactId2.getInt()), token);
-		settings.put(String.valueOf(contactId3.getInt()), "");
-
-		context.checking(new Expectations() {{
-			exactly(4).of(settingsManager)
-					.getSettings(txn, SETTINGS_UPLOADS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		String filename1 = manager.getPendingUpload(txn, contactId1);
-		assertEquals(onion, filename1);
-		String filename2 = manager.getPendingUpload(txn, contactId2);
-		assertEquals(token, filename2);
-		String filename3 = manager.getPendingUpload(txn, contactId3);
-		assertNull(filename3);
-		String filename4 =
-				manager.getPendingUpload(txn, new ContactId(random.nextInt()));
-		assertNull(filename4);
-	}
-
-	@Test
-	public void testSettingPendingUploads() throws Exception {
-		Transaction txn = new Transaction(null, false);
-
-		// setting a pending upload stores expected settings
-		Settings expectedSettings1 = new Settings();
-		expectedSettings1.put(String.valueOf(contactId1.getInt()), onion);
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings1,
-					SETTINGS_UPLOADS_NAMESPACE);
-		}});
-		manager.setPendingUpload(txn, contactId1, onion);
-
-		// nulling a pending upload empties stored settings
-		Settings expectedSettings2 = new Settings();
-		expectedSettings2.put(String.valueOf(contactId2.getInt()), "");
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings2,
-					SETTINGS_UPLOADS_NAMESPACE);
-		}});
-		manager.setPendingUpload(txn, contactId2, null);
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/plugin/PluginManagerImplTest.java

@@ -12,8 +12,10 @@ import org.briarproject.bramble.api.plugin.simplex.SimplexPlugin;
 import org.briarproject.bramble.api.plugin.simplex.SimplexPluginFactory;
 import org.briarproject.bramble.api.properties.TransportPropertyManager;
 import org.briarproject.bramble.api.settings.SettingsManager;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
+import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -22,10 +24,13 @@ import java.util.concurrent.Executors;
 
 import static org.briarproject.bramble.test.TestUtils.getTransportId;
 
-public class PluginManagerImplTest extends BrambleMockTestCase {
+public class PluginManagerImplTest extends BrambleTestCase {
 
 	@Test
 	public void testStartAndStop() throws Exception {
+		Mockery context = new Mockery() {{
+			setThreadingPolicy(new Synchroniser());
+		}};
 		Executor ioExecutor = Executors.newSingleThreadExecutor();
 		EventBus eventBus = context.mock(EventBus.class);
 		PluginConfig pluginConfig = context.mock(PluginConfig.class);
@@ -111,5 +116,7 @@ public class PluginManagerImplTest extends BrambleMockTestCase {
 		// Two plugins should be started and stopped
 		p.startService();
 		p.stopService();
+
+		context.assertIsSatisfied();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/plugin/tor/CircumventionProviderTest.java

@@ -1,68 +0,0 @@
-package org.briarproject.bramble.plugin.tor;
-
-import org.briarproject.bramble.test.BrambleTestCase;
-import org.junit.Test;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import static java.util.Arrays.asList;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BLOCKED;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.DEFAULT_OBFS4_BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.MEEK_BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.NON_DEFAULT_OBFS4_BRIDGES;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-public class CircumventionProviderTest extends BrambleTestCase {
-
-	private final CircumventionProvider provider =
-			new CircumventionProviderImpl();
-
-	@Test
-	public void testInvariants() {
-		Set<String> blocked = new HashSet<>(asList(BLOCKED));
-		Set<String> bridges = new HashSet<>(asList(BRIDGES));
-		Set<String> defaultObfs4Bridges =
-				new HashSet<>(asList(DEFAULT_OBFS4_BRIDGES));
-		Set<String> nonDefaultObfs4Bridges =
-				new HashSet<>(asList(NON_DEFAULT_OBFS4_BRIDGES));
-		Set<String> meekBridges = new HashSet<>(asList(MEEK_BRIDGES));
-		// BRIDGES should be a subset of BLOCKED
-		assertTrue(blocked.containsAll(bridges));
-		// BRIDGES should be the union of the bridge type sets
-		Set<String> union = new HashSet<>(defaultObfs4Bridges);
-		union.addAll(nonDefaultObfs4Bridges);
-		union.addAll(meekBridges);
-		assertEquals(bridges, union);
-		// The bridge type sets should not overlap
-		assertEmptyIntersection(defaultObfs4Bridges, nonDefaultObfs4Bridges);
-		assertEmptyIntersection(defaultObfs4Bridges, meekBridges);
-		assertEmptyIntersection(nonDefaultObfs4Bridges, meekBridges);
-	}
-
-	@Test
-	public void testGetBestBridgeType() {
-		for (String country : DEFAULT_OBFS4_BRIDGES) {
-			assertEquals(DEFAULT_OBFS4, provider.getBestBridgeType(country));
-		}
-		for (String country : NON_DEFAULT_OBFS4_BRIDGES) {
-			assertEquals(NON_DEFAULT_OBFS4,
-					provider.getBestBridgeType(country));
-		}
-		for (String country : MEEK_BRIDGES) {
-			assertEquals(MEEK, provider.getBestBridgeType(country));
-		}
-		assertEquals(DEFAULT_OBFS4, provider.getBestBridgeType("ZZ"));
-	}
-
-	private <T> void assertEmptyIntersection(Set<T> a, Set<T> b) {
-		Set<T> intersection = new HashSet<>(a);
-		intersection.retainAll(b);
-		assertTrue(intersection.isEmpty());
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/test/TestFeatureFlagModule.java

@@ -24,6 +24,21 @@ public class TestFeatureFlagModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
+
+			@Override
+			public boolean shouldEnableConnectViaBluetooth() {
+				return true;
+			}
+
+			@Override
+			public boolean shouldEnableShareAppViaOfflineHotspot() {
+				return true;
+			}
+
+			@Override
+			public boolean shouldEnableTransferData() {
+				return true;
+			}
 		};
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/StreamReaderImplTest.java

@@ -1,17 +1,19 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamDecrypter;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_PAYLOAD_LENGTH;
 import static org.junit.Assert.assertEquals;
 
-public class StreamReaderImplTest extends BrambleMockTestCase {
+public class StreamReaderImplTest extends BrambleTestCase {
 
 	@Test
 	public void testEmptyFramesAreSkipped() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -28,11 +30,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(0, r.read()); // Read another byte
 		assertEquals(-1, r.read()); // Skip the second empty frame, reach EOF
 		assertEquals(-1, r.read()); // Still at EOF
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testEmptyFramesAreSkippedWithBuffer() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -52,11 +56,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(-1, r.read(buf));
 		// Still at EOF
 		assertEquals(-1, r.read(buf));
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testMultipleReadsPerFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -72,11 +78,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(MAX_PAYLOAD_LENGTH / 2, r.read(buf));
 		// Reach EOF
 		assertEquals(-1, r.read(buf, 0, buf.length));
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testMultipleReadsPerFrameWithOffsets() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -94,6 +102,7 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 				MAX_PAYLOAD_LENGTH / 2));
 		// Reach EOF
 		assertEquals(-1, r.read(buf, 0, buf.length));
+		context.assertIsSatisfied();
 		r.close();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/StreamWriterImplTest.java

@@ -1,17 +1,19 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamEncrypter;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_PAYLOAD_LENGTH;
 import static org.junit.Assert.assertEquals;
 
-public class StreamWriterImplTest extends BrambleMockTestCase {
+public class StreamWriterImplTest extends BrambleTestCase {
 
 	@Test
 	public void testCloseWithoutWritingWritesFinalFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		context.checking(new Expectations() {{
 			// Write an empty final frame
@@ -22,11 +24,13 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 		}});
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testFlushWithoutBufferedDataWritesFrameAndFlushes()
 			throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -47,11 +51,13 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testFlushWithBufferedDataWritesFrameAndFlushes()
 			throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -73,10 +79,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testSingleByteWritesWriteFullFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -95,10 +103,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testMultiByteWritesWriteFullFrames() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -124,10 +134,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testLargeMultiByteWriteWritesFullFrames() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -145,5 +157,6 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 		w.write(b);
 		// There should be one byte left in the buffer
 		w.close();
+		context.assertIsSatisfied();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/TransportKeyManagerImplTest.java

@@ -393,76 +393,6 @@ public class TransportKeyManagerImplTest extends BrambleMockTestCase {
 		assertNull(transportKeyManager.getStreamContext(txn, tag));
 	}
 
-	@Test
-	public void testGetStreamContextOnlyAndMarkTag() throws Exception {
-		boolean alice = random.nextBoolean();
-		TransportKeys transportKeys = createTransportKeys(1000, 0, true);
-		Transaction txn = new Transaction(null, false);
-
-		// Keep a copy of the tags
-		List<byte[]> tags = new ArrayList<>();
-
-		context.checking(new Expectations() {{
-			oneOf(transportCrypto).deriveRotationKeys(transportId, rootKey,
-					1000, alice, true);
-			will(returnValue(transportKeys));
-			// Get the current time (the start of time period 1000)
-			oneOf(clock).currentTimeMillis();
-			will(returnValue(timePeriodLength * 1000));
-			// Encode the tags (3 sets)
-			for (long i = 0; i < REORDERING_WINDOW_SIZE; i++) {
-				exactly(3).of(transportCrypto).encodeTag(
-						with(any(byte[].class)), with(tagKey),
-						with(PROTOCOL_VERSION), with(i));
-				will(new EncodeTagAction(tags));
-			}
-			// Updated the transport keys (the keys are unaffected)
-			oneOf(transportCrypto).updateTransportKeys(transportKeys, 1000);
-			will(returnValue(transportKeys));
-			// Save the keys
-			oneOf(db).addTransportKeys(txn, contactId, transportKeys);
-			will(returnValue(keySetId));
-			// Encode a new tag after sliding the window
-			oneOf(transportCrypto).encodeTag(with(any(byte[].class)),
-					with(tagKey), with(PROTOCOL_VERSION),
-					with((long) REORDERING_WINDOW_SIZE));
-			will(new EncodeTagAction(tags));
-			// Save the reordering window (previous time period, base 1)
-			oneOf(db).setReorderingWindow(txn, keySetId, transportId, 999,
-					1, new byte[REORDERING_WINDOW_SIZE / 8]);
-		}});
-
-		// The timestamp is at the start of time period 1000
-		long timestamp = timePeriodLength * 1000;
-		assertEquals(keySetId, transportKeyManager.addRotationKeys(
-				txn, contactId, rootKey, timestamp, alice, true));
-		assertTrue(transportKeyManager.canSendOutgoingStreams(contactId));
-		// Use the first tag (previous time period, stream number 0)
-		assertEquals(REORDERING_WINDOW_SIZE * 3, tags.size());
-		byte[] tag = tags.get(0);
-		// Repeated request should return same stream context
-		StreamContext ctx = transportKeyManager.getStreamContextOnly(txn, tag);
-		assertNotNull(ctx);
-		assertEquals(contactId, ctx.getContactId());
-		assertEquals(transportId, ctx.getTransportId());
-		assertEquals(tagKey, ctx.getTagKey());
-		assertEquals(headerKey, ctx.getHeaderKey());
-		assertEquals(0L, ctx.getStreamNumber());
-		ctx = transportKeyManager.getStreamContextOnly(txn, tag);
-		assertNotNull(ctx);
-		assertEquals(contactId, ctx.getContactId());
-		assertEquals(transportId, ctx.getTransportId());
-		assertEquals(tagKey, ctx.getTagKey());
-		assertEquals(headerKey, ctx.getHeaderKey());
-		assertEquals(0L, ctx.getStreamNumber());
-		// Then mark tag as recognised
-		transportKeyManager.markTagAsRecognised(txn, tag);
-		// Another tag should have been encoded
-		assertEquals(REORDERING_WINDOW_SIZE * 3 + 1, tags.size());
-		// Finally ensure the used tag is not recognised again
-		assertNull(transportKeyManager.getStreamContextOnly(txn, tag));
-	}
-
 	@Test
 	public void testKeysAreUpdatedToCurrentPeriod() throws Exception {
 		TransportKeys transportKeys = createTransportKeys(1000, 0, true);

bramble-core/witness.gradle

@@ -15,6 +15,7 @@ dependencyVerification {
         'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
         'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
         'com.h2database:h2:1.4.192:h2-1.4.192.jar:225b22e9857235c46c93861410b60b8c81c10dc8985f4faf188985ba5445126c',
+        'com.madgag.spongycastle:core:1.58.0.0:core-1.58.0.0.jar:199617dd5698c5a9312b898c0a4cec7ce9dd8649d07f65d91629f58229d72728',
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
@@ -26,14 +27,13 @@ dependencyVerification {
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
         'org.bitlet:weupnp:0.1.4:weupnp-0.1.4.jar:88df7e6504929d00bdb832863761385c68ab92af945b04f0770b126270a444fb',
-        'org.bouncycastle:bcprov-jdk15on:1.69:bcprov-jdk15on-1.69.jar:e469bd39f936999f256002631003ff022a22951da9d5bd9789c7abfa9763a292',
         'org.briarproject:jtorctl:0.3:jtorctl-0.3.jar:f2939238a097898998432effe93b0334d97a787972ab3a91a8973a1d309fc864',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
         'org.codehaus.mojo.signature:java16:1.1:java16-1.1.signature:53799223a2c98dba2d0add810bed76315460df285c69e4f397ae6098f87dd619',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',
-        'org.codehaus.mojo:animal-sniffer-ant-tasks:1.20:animal-sniffer-ant-tasks-1.20.jar:bb7d2498144118311d968bb08ff6fae3fc535fb1cb9cca8b8e9ea65b189422ac',
+        'org.codehaus.mojo:animal-sniffer-ant-tasks:1.16:animal-sniffer-ant-tasks-1.16.jar:890040976fbe2d584619a6a61b1fd2e925b3b5eb342a85eb2762c467c0d64e90',
-        'org.codehaus.mojo:animal-sniffer:1.20:animal-sniffer-1.20.jar:80c422523c38db91260c6d78e5ee4b012862ab61cc55020c9e243dd7b5c62249',
+        'org.codehaus.mojo:animal-sniffer:1.16:animal-sniffer-1.16.jar:72be8bcc226ba43b937c722a08a07852bfa1b11400089265d5df0ee7b38b1d52',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
@@ -48,8 +48,8 @@ dependencyVerification {
         'org.jmock:jmock-testjar:2.12.0:jmock-testjar-2.12.0.jar:efefbcf6cd294d0e29f0c46eb2a3380d4ca4e1763ff719c69e2f2ac62f564a04',
         'org.jmock:jmock:2.12.0:jmock-2.12.0.jar:266d07314c0cd343c46ff8a55601272de8cf406807caf55e6f313295f83d10be',
         'org.objenesis:objenesis:3.0.1:objenesis-3.0.1.jar:7a8ff780b9ff48415d7c705f60030b0acaa616e7f823c98eede3b63508d4e984',
+        'org.ow2.asm:asm-all:5.2:asm-all-5.2.jar:7fbffbc1db3422e2101689fd88df8384b15817b52b9b2b267b9f6d2511dc198d',
         'org.ow2.asm:asm:7.1:asm-7.1.jar:4ab2fa2b6d2cc9ccb1eaa05ea329c407b47b13ed2915f62f8c4b8cc96258d4de',
-        'org.ow2.asm:asm:9.1:asm-9.1.jar:cda4de455fab48ff0bcb7c48b4639447d4de859a7afc30a094a986f0936beba2',
         'org.whispersystems:curve25519-java:0.5.0:curve25519-java-0.5.0.jar:0aadd43cf01d11e9b58f867b3c4f25c3194e8b0623d1953d32dfbfbee009e38d',
     ]
 }

bramble-java/build.gradle

@@ -17,8 +17,8 @@ dependencies {
 	def jna_version = '4.5.2'
 	implementation "net.java.dev.jna:jna:$jna_version"
 	implementation "net.java.dev.jna:jna-platform:$jna_version"
-	tor "org.briarproject:tor:$tor_version"
+	tor 'org.briarproject:tor:0.3.5.15'
-	tor "org.briarproject:obfs4proxy:$obfs4proxy_version@zip"
+	tor 'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a@zip'
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

bramble-java/src/main/java/org/briarproject/bramble/network/JavaNetworkManager.java

@@ -9,15 +9,16 @@ import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
+import java.util.Enumeration;
 import java.util.logging.Logger;
 
 import javax.inject.Inject;
 
+import static java.net.NetworkInterface.getNetworkInterfaces;
 import static java.util.Collections.list;
 import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.LogUtils.logException;
-import static org.briarproject.bramble.util.NetworkUtils.getNetworkInterfaces;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -34,14 +35,19 @@ class JavaNetworkManager implements NetworkManager {
 	public NetworkStatus getNetworkStatus() {
 		boolean connected = false, hasIpv4 = false, hasIpv6Unicast = false;
 		try {
-			for (NetworkInterface i : getNetworkInterfaces()) {
+			Enumeration<NetworkInterface> interfaces = getNetworkInterfaces();
-				if (i.isLoopback() || !i.isUp()) continue;
+			if (interfaces == null) {
-				for (InetAddress addr : list(i.getInetAddresses())) {
+				LOG.info("No network interfaces");
-					connected = true;
+			} else {
-					if (addr instanceof Inet4Address) {
+				for (NetworkInterface i : list(interfaces)) {
-						hasIpv4 = true;
+					if (i.isLoopback() || !i.isUp()) continue;
-					} else if (!addr.isMulticastAddress()) {
+					for (InetAddress addr : list(i.getInetAddresses())) {
-						hasIpv6Unicast = true;
+						connected = true;
+						if (addr instanceof Inet4Address) {
+							hasIpv4 = true;
+						} else if (!addr.isMulticastAddress()) {
+							hasIpv6Unicast = true;
+						}
 					}
 				}
 			}

bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/JavaTorPlugin.java

@@ -35,15 +35,12 @@ abstract class JavaTorPlugin extends TorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory,
+			File torDirectory) {
-			int torSocksPort,
-			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture,
-				maxLatency, maxIdleTime, torDirectory, torSocksPort,
+				maxLatency, maxIdleTime, torDirectory);
-				torControlPort);
 	}
 
 	@Override

bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/UnixTorPlugin.java

@@ -35,15 +35,12 @@ class UnixTorPlugin extends JavaTorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory,
+			File torDirectory) {
-			int torSocksPort,
-			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture,
-				maxLatency, maxIdleTime, torDirectory, torSocksPort,
+				maxLatency, maxIdleTime, torDirectory);
-				torControlPort);
 	}
 
 	@Override

bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/UnixTorPluginFactory.java

@@ -1,7 +1,6 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
@@ -10,9 +9,7 @@ import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.PluginCallback;
 import org.briarproject.bramble.api.plugin.TorConstants;
-import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
-import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
@@ -57,9 +54,6 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 	private final BatteryManager batteryManager;
 	private final Clock clock;
 	private final File torDirectory;
-	private int torSocksPort;
-	private int torControlPort;
-	private final CryptoComponent crypto;
 
 	@Inject
 	UnixTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -73,10 +67,7 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 			CircumventionProvider circumventionProvider,
 			BatteryManager batteryManager,
 			Clock clock,
-			@TorDirectory File torDirectory,
+			@TorDirectory File torDirectory) {
-			@TorSocksPort int torSocksPort,
-			@TorControlPort int torControlPort,
-			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.networkManager = networkManager;
@@ -89,9 +80,6 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 		this.batteryManager = batteryManager;
 		this.clock = clock;
 		this.torDirectory = torDirectory;
-		this.torSocksPort = torSocksPort;
-		this.torControlPort = torControlPort;
-		this.crypto = crypto;
 	}
 
 	@Override
@@ -132,14 +120,12 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto =
+		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
-				new TorRendezvousCryptoImpl(crypto);
 		UnixTorPlugin plugin = new UnixTorPlugin(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, torSocketFactory, clock,
 				resourceProvider, circumventionProvider, batteryManager,
 				backoff, torRendezvousCrypto, callback, architecture,
-				MAX_LATENCY, MAX_IDLE_TIME, torDirectory, torSocksPort,
+				MAX_LATENCY, MAX_IDLE_TIME, torDirectory);
-				torControlPort);
 		eventBus.addListener(plugin);
 		return plugin;
 	}

bramble-java/src/test/java/org/briarproject/bramble/plugin/tor/BridgeTest.java

@@ -2,18 +2,15 @@ package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.BrambleCoreIntegrationTestEagerSingletons;
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
 import org.briarproject.bramble.api.system.WakefulIoExecutor;
-import org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType;
 import org.briarproject.bramble.test.BrambleJavaIntegrationTestComponent;
 import org.briarproject.bramble.test.BrambleTestCase;
 import org.briarproject.bramble.test.DaggerBrambleJavaIntegrationTestComponent;
@@ -36,14 +33,9 @@ import javax.inject.Inject;
 import javax.net.SocketFactory;
 
 import static java.util.Collections.singletonList;
-import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
-import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_CONTROL_PORT;
-import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_SOCKS_PORT;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
 import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
 import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
 import static org.briarproject.bramble.test.TestUtils.isOptionalTestEnabled;
@@ -62,21 +54,14 @@ public class BridgeTest extends BrambleTestCase {
 				.injectEagerSingletons(component);
 		// Share a failure counter among all the test instances
 		AtomicInteger failures = new AtomicInteger(0);
-		CircumventionProvider provider = component.getCircumventionProvider();
+		List<String> bridges =
-		List<Params> states = new ArrayList<>();
+				component.getCircumventionProvider().getBridges(false);
-		for (String bridge : provider.getBridges(DEFAULT_OBFS4)) {
+		List<Params> states = new ArrayList<>(bridges.size());
-			states.add(new Params(bridge, DEFAULT_OBFS4, failures, false));
+		for (String bridge : bridges) states.add(new Params(bridge, failures));
-		}
-		for (String bridge : provider.getBridges(NON_DEFAULT_OBFS4)) {
-			states.add(new Params(bridge, NON_DEFAULT_OBFS4, failures, false));
-		}
-		for (String bridge : provider.getBridges(MEEK)) {
-			states.add(new Params(bridge, MEEK, failures, true));
-		}
 		return states;
 	}
 
-	private final static long TIMEOUT = MINUTES.toMillis(5);
+	private final static long TIMEOUT = SECONDS.toMillis(60);
 	private final static int NUM_FAILURES_ALLOWED = 1;
 
 	private final static Logger LOG = getLogger(BridgeTest.class.getName());
@@ -101,16 +86,16 @@ public class BridgeTest extends BrambleTestCase {
 	BackoffFactory backoffFactory;
 	@Inject
 	Clock clock;
-	@Inject
-	CryptoComponent crypto;
 
 	private final File torDir = getTestDirectory();
-	private final Params params;
+	private final String bridge;
+	private final AtomicInteger failures;
 
 	private UnixTorPluginFactory factory;
 
 	public BridgeTest(Params params) {
-		this.params = params;
+		bridge = params.bridge;
+		failures = params.failures;
 	}
 
 	@Before
@@ -130,7 +115,6 @@ public class BridgeTest extends BrambleTestCase {
 		LocationUtils locationUtils = () -> "US";
 		SocketFactory torSocketFactory = SocketFactory.getDefault();
 
-		@NotNullByDefault
 		CircumventionProvider bridgeProvider = new CircumventionProvider() {
 			@Override
 			public boolean isTorProbablyBlocked(String countryCode) {
@@ -143,20 +127,19 @@ public class BridgeTest extends BrambleTestCase {
 			}
 
 			@Override
-			public BridgeType getBestBridgeType(String countryCode) {
+			public boolean needsMeek(String countryCode) {
-				return params.bridgeType;
+				return false;
 			}
 
 			@Override
-			public List<String> getBridges(BridgeType bridgeType) {
+			public List<String> getBridges(boolean useMeek) {
-				return singletonList(params.bridge);
+				return singletonList(bridge);
 			}
 		};
 		factory = new UnixTorPluginFactory(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, eventBus, torSocketFactory,
 				backoffFactory, resourceProvider, bridgeProvider,
-				batteryManager, clock, torDir, DEFAULT_SOCKS_PORT,
+				batteryManager, clock, torDir);
-				DEFAULT_CONTROL_PORT, crypto);
 	}
 
 	@After
@@ -171,7 +154,7 @@ public class BridgeTest extends BrambleTestCase {
 		assertNotNull(duplexPlugin);
 		UnixTorPlugin plugin = (UnixTorPlugin) duplexPlugin;
 
-		LOG.warning("Testing " + params.bridge);
+		LOG.warning("Testing " + bridge);
 		try {
 			plugin.start();
 			long start = clock.currentTimeMillis();
@@ -181,11 +164,8 @@ public class BridgeTest extends BrambleTestCase {
 			}
 			if (plugin.getState() != ACTIVE) {
 				LOG.warning("Could not connect to Tor within timeout");
-				if (params.failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
+				if (failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
-					fail(params.failures.get() + " bridges are unreachable");
+					fail(failures.get() + " bridges are unreachable");
-				}
-				if (params.mustSucceed) {
-					fail("essential bridge is unreachable");
 				}
 			}
 		} finally {
@@ -196,16 +176,11 @@ public class BridgeTest extends BrambleTestCase {
 	private static class Params {
 
 		private final String bridge;
-		private final BridgeType bridgeType;
 		private final AtomicInteger failures;
-		private final boolean mustSucceed;
 
-		private Params(String bridge, BridgeType bridgeType,
+		private Params(String bridge, AtomicInteger failures) {
-				AtomicInteger failures, boolean mustSucceed) {
 			this.bridge = bridge;
-			this.bridgeType = bridgeType;
 			this.failures = failures;
-			this.mustSucceed = mustSucceed;
 		}
 	}
 }

bramble-java/witness.gradle

@@ -25,7 +25,7 @@ dependencyVerification {
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
         'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a:obfs4proxy-0.0.12-dev-40245c4a.zip:172029e7058b3a83ac93ac4991a44bf76e16ce8d46f558f5836d57da3cb3a766',
-        'org.briarproject:tor:0.3.5.17:tor-0.3.5.17.jar:ce0e1f4d8f14878e61b23a35a452bc0f2a8e3117ced5a74773cd78475fa7af39',
+        'org.briarproject:tor:0.3.5.15:tor-0.3.5.15.jar:2ff5b5a3b5eaa97d699629ad24ba9584b3199d0ffdb1ea7d8a02de3016b80e7a',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',

briar-android/artwork/bluetooth.svg

@@ -1,28 +1,15 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+<svg
-    xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
-    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" width="500" height="175" viewBox="0 0 500 175"
+   xmlns:cc="http://creativecommons.org/ns#"
-    id="svg2" version="1.1" sodipodi:docname="bluetooth.svg" inkscape:version="1.0.2 (e86c870879, 2021-01-15)">
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-  <sodipodi:namedview
+   xmlns:svg="http://www.w3.org/2000/svg"
-     pagecolor="#ffffff"
+   xmlns="http://www.w3.org/2000/svg"
-     bordercolor="#666666"
+   width="499.24374"
-     borderopacity="1"
+   height="175.49413"
-     objecttolerance="10"
+   viewBox="0 0 499.24373 175.49413"
-     gridtolerance="10"
+   id="svg2"
-     guidetolerance="10"
+   version="1.1">
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:window-width="1920"
-     inkscape:window-height="892"
-     id="namedview10"
-     showgrid="false"
-     inkscape:zoom="0.93337848"
-     inkscape:cx="-49.861215"
-     inkscape:cy="137.66042"
-     inkscape:window-x="0"
-     inkscape:window-y="144"
-     inkscape:window-maximized="0"
-     inkscape:current-layer="svg2" />
   <defs
      id="defs4" />
   <metadata
@@ -39,23 +26,22 @@
   </metadata>
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-</svg>

briar-android/build.gradle

@@ -26,8 +26,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10403
+		versionCode 10305
-		versionName "1.4.3"
+		versionName "1.3.5"
 		applicationId "org.briarproject.briar.android"
 
 		vectorDrawables.useSupportLibrary = true
@@ -110,7 +110,7 @@ dependencies {
 
 	implementation 'info.guardianproject.panic:panic:1.0'
 	implementation 'info.guardianproject.trustedintents:trustedintents:0.2'
-	implementation 'de.hdodenhof:circleimageview:3.1.0'
+	implementation 'de.hdodenhof:circleimageview:3.0.1'
 	implementation 'com.google.zxing:core:3.3.3'  // newer version need minSdk 24
 	implementation 'uk.co.samuelwall:material-tap-target-prompt:3.3.0'
 	implementation 'com.vanniktech:emoji-google:0.6.0' // newer versions need minSdk 21

briar-android/src/androidTestOfficial/java/org/briarproject/briar/android/BriarUiTestComponent.java

@@ -3,7 +3,6 @@ package org.briarproject.briar.android;
 import org.briarproject.bramble.BrambleAndroidModule;
 import org.briarproject.bramble.BrambleCoreModule;
 import org.briarproject.bramble.account.BriarAccountModule;
-import org.briarproject.bramble.plugin.file.RemovableDriveModule;
 import org.briarproject.bramble.system.ClockModule;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.account.SignInTestCreateAccount;
@@ -22,7 +21,6 @@ import dagger.Component;
 		AttachmentModule.class,
 		ClockModule.class,
 		MediaModule.class,
-		RemovableDriveModule.class,
 		BriarCoreModule.class,
 		BrambleAndroidModule.class,
 		BriarAccountModule.class,

briar-android/src/androidTestScreenshot/java/org/briarproject/briar/android/BriarUiTestComponent.java

@@ -3,7 +3,6 @@ package org.briarproject.briar.android;
 import org.briarproject.bramble.BrambleAndroidModule;
 import org.briarproject.bramble.BrambleCoreModule;
 import org.briarproject.bramble.account.BriarAccountModule;
-import org.briarproject.bramble.plugin.file.RemovableDriveModule;
 import org.briarproject.bramble.system.ClockModule;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.attachment.AttachmentModule;
@@ -21,7 +20,6 @@ import dagger.Component;
 		AttachmentModule.class,
 		ClockModule.class,
 		MediaModule.class,
-		RemovableDriveModule.class,
 		BriarCoreModule.class,
 		BrambleAndroidModule.class,
 		BriarAccountModule.class,

briar-android/src/main/AndroidManifest.xml

@@ -344,13 +344,7 @@
 
 		<activity
 			android:name="org.briarproject.briar.android.StartupFailureActivity"
-			android:excludeFromRecents="true"
+			android:label="@string/startup_failed_activity_title" />
-			android:exported="false"
-			android:finishOnTaskLaunch="true"
-			android:label="@string/startup_failed_activity_title"
-			android:launchMode="singleInstance"
-			android:process=":briar_startup_failure"
-			android:windowSoftInputMode="adjustResize|stateHidden" />
 
 		<activity
 			android:name="org.briarproject.briar.android.settings.SettingsActivity"
@@ -462,17 +456,6 @@
 			android:label="@string/hotspot_title"
 			android:theme="@style/BriarTheme" />
 
-		<activity
-			android:name=".android.contact.connect.ConnectViaBluetoothActivity"
-			android:exported="false"
-			android:label="@string/connect_via_bluetooth_title"
-			android:parentActivityName="org.briarproject.briar.android.conversation.ConversationActivity"
-			android:theme="@style/BriarTheme">
-			<meta-data
-				android:name="android.support.PARENT_ACTIVITY"
-				android:value="org.briarproject.briar.android.conversation.ConversationActivity" />
-		</activity>
-
 	</application>
 
 	<queries>

briar-android/src/main/assets/hotspot.html

@@ -92,9 +92,9 @@
         <li id="troubleshooting_1">If you can't download the app, try it with a different web
             browser app.
         </li>
-        <li id="troubleshooting_2">To install the downloaded app,
+        <li id="troubleshooting_2">Ensure that your browser is allowed to download apps directly by
-            you might need to allow your browser to install unknown apps.
+            giving it the permission or enabling the installation of apps from "Unknown Sources" in
-            We recommend to undo that after successful installation.
+            system settings.
         </li>
     </ol>
 </div>

briar-android/src/main/java/org/briarproject/briar/android/AndroidComponent.java

@@ -35,7 +35,6 @@ import org.briarproject.briar.BriarCoreEagerSingletons;
 import org.briarproject.briar.BriarCoreModule;
 import org.briarproject.briar.android.attachment.AttachmentModule;
 import org.briarproject.briar.android.attachment.media.MediaModule;
-import org.briarproject.briar.android.contact.connect.BluetoothIntroFragment;
 import org.briarproject.briar.android.conversation.glide.BriarModelLoader;
 import org.briarproject.briar.android.hotspot.AbstractTabsFragment;
 import org.briarproject.briar.android.hotspot.FallbackFragment;
@@ -237,6 +236,4 @@ public interface AndroidComponent
 	void inject(SendFragment sendFragment);
 
 	void inject(ReceiveFragment receiveFragment);
-
-	void inject(BluetoothIntroFragment bluetoothIntroFragment);
 }

briar-android/src/main/java/org/briarproject/briar/android/AppModule.java

@@ -18,9 +18,7 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.BluetoothConstants;
 import org.briarproject.bramble.api.plugin.LanTcpConstants;
 import org.briarproject.bramble.api.plugin.PluginConfig;
-import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
-import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 import org.briarproject.bramble.api.plugin.simplex.SimplexPluginFactory;
@@ -37,13 +35,11 @@ import org.briarproject.briar.android.account.SetupModule;
 import org.briarproject.briar.android.blog.BlogModule;
 import org.briarproject.briar.android.contact.ContactListModule;
 import org.briarproject.briar.android.contact.add.nearby.AddNearbyContactModule;
-import org.briarproject.briar.android.contact.connect.ConnectViaBluetoothModule;
 import org.briarproject.briar.android.forum.ForumModule;
 import org.briarproject.briar.android.hotspot.HotspotModule;
 import org.briarproject.briar.android.introduction.IntroductionModule;
 import org.briarproject.briar.android.logging.LoggingModule;
 import org.briarproject.briar.android.login.LoginModule;
-import org.briarproject.briar.android.mailbox.MailboxModule;
 import org.briarproject.briar.android.navdrawer.NavDrawerModule;
 import org.briarproject.briar.android.privategroup.conversation.GroupConversationModule;
 import org.briarproject.briar.android.privategroup.list.GroupListModule;
@@ -56,7 +52,6 @@ import org.briarproject.briar.android.viewmodel.ViewModelModule;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
 import org.briarproject.briar.api.android.DozeWatchdog;
 import org.briarproject.briar.api.android.LockManager;
-import org.briarproject.briar.api.android.NetworkUsageMetrics;
 import org.briarproject.briar.api.android.ScreenFilterMonitor;
 import org.briarproject.briar.api.test.TestAvatarCreator;
 
@@ -78,8 +73,6 @@ import static java.util.Arrays.asList;
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
 import static java.util.Collections.singletonMap;
-import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_CONTROL_PORT;
-import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_SOCKS_PORT;
 import static org.briarproject.bramble.api.reporting.ReportingConstants.DEV_ONION_ADDRESS;
 import static org.briarproject.bramble.api.reporting.ReportingConstants.DEV_PUBLIC_KEY_HEX;
 import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
@@ -96,7 +89,6 @@ import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 		DevReportModule.class,
 		ContactListModule.class,
 		IntroductionModule.class,
-		ConnectViaBluetoothModule.class,
 		// below need to be within same scope as ViewModelProvider.Factory
 		BlogModule.class,
 		ForumModule.class,
@@ -105,7 +97,6 @@ import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 		SharingModule.class,
 		HotspotModule.class,
 		TransferDataModule.class,
-		MailboxModule.class,
 })
 public class AppModule {
 
@@ -115,7 +106,7 @@ public class AppModule {
 		@Inject
 		ScreenFilterMonitor screenFilterMonitor;
 		@Inject
-		NetworkUsageMetrics networkUsageMetrics;
+		NetworkUsageLogger networkUsageLogger;
 		@Inject
 		DozeWatchdog dozeWatchdog;
 		@Inject
@@ -162,34 +153,11 @@ public class AppModule {
 		return app.getDir("tor", MODE_PRIVATE);
 	}
 
-	@Provides
-	@Singleton
-	@TorSocksPort
-	int provideTorSocksPort() {
-		if (!IS_DEBUG_BUILD) {
-			return DEFAULT_SOCKS_PORT;
-		} else {
-			return DEFAULT_SOCKS_PORT + 2;
-		}
-	}
-
-	@Provides
-	@Singleton
-	@TorControlPort
-	int provideTorControlPort() {
-		if (!IS_DEBUG_BUILD) {
-			return DEFAULT_CONTROL_PORT;
-		} else {
-			return DEFAULT_CONTROL_PORT + 2;
-		}
-	}
-
 	@Provides
 	@Singleton
 	PluginConfig providePluginConfig(AndroidBluetoothPluginFactory bluetooth,
 			AndroidTorPluginFactory tor, AndroidLanTcpPluginFactory lan,
-			AndroidRemovableDrivePluginFactory drive,
+			AndroidRemovableDrivePluginFactory drive) {
-			FeatureFlags featureFlags) {
 		@NotNullByDefault
 		PluginConfig pluginConfig = new PluginConfig() {
 
@@ -200,8 +168,7 @@ public class AppModule {
 
 			@Override
 			public Collection<SimplexPluginFactory> getSimplexFactories() {
-				if (SDK_INT >= 19) return singletonList(drive);
+				return SDK_INT >= 19 ? singletonList(drive) : emptyList();
-				else return emptyList();
 			}
 
 			@Override
@@ -288,12 +255,11 @@ public class AppModule {
 	}
 
 	@Provides
-	@Singleton
+	NetworkUsageLogger provideNetworkUsageLogger(
-	NetworkUsageMetrics provideNetworkUsageMetrics(
 			LifecycleManager lifecycleManager) {
-		NetworkUsageMetrics networkUsageMetrics = new NetworkUsageMetricsImpl();
+		NetworkUsageLogger networkUsageLogger = new NetworkUsageLogger();
-		lifecycleManager.registerService(networkUsageMetrics);
+		lifecycleManager.registerService(networkUsageLogger);
-		return networkUsageMetrics;
+		return networkUsageLogger;
 	}
 
 	@Provides
@@ -339,6 +305,21 @@ public class AppModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
+
+			@Override
+			public boolean shouldEnableConnectViaBluetooth() {
+				return IS_DEBUG_BUILD;
+			}
+
+			@Override
+			public boolean shouldEnableTransferData() {
+				return IS_DEBUG_BUILD;
+			}
+
+			@Override
+			public boolean shouldEnableShareAppViaOfflineHotspot() {
+				return IS_DEBUG_BUILD;
+			}
 		};
 	}
 }

briar-android/src/main/java/org/briarproject/briar/android/BriarService.java

@@ -3,6 +3,7 @@ package org.briarproject.briar.android;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
+import android.app.PendingIntent;
 import android.app.Service;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ -33,7 +34,11 @@ import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
+import androidx.core.app.NotificationCompat;
+
+import static android.app.NotificationManager.IMPORTANCE_DEFAULT;
 import static android.app.NotificationManager.IMPORTANCE_LOW;
+import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
 import static android.content.Intent.ACTION_SHUTDOWN;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
@@ -50,6 +55,7 @@ import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResul
 import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
 import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_NOTIFICATION_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_OLD_ID;
 import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_NOTIFICATION_ID;
@@ -60,6 +66,8 @@ public class BriarService extends Service {
 
 	public static String EXTRA_START_RESULT =
 			"org.briarproject.briar.START_RESULT";
+	public static String EXTRA_NOTIFICATION_ID =
+			"org.briarproject.briar.FAILURE_NOTIFICATION_ID";
 	public static String EXTRA_STARTUP_FAILED =
 			"org.briarproject.briar.STARTUP_FAILED";
 
@@ -127,11 +135,12 @@ public class BriarService extends Service {
 				ongoingChannel.setLockscreenVisibility(VISIBILITY_SECRET);
 				ongoingChannel.setShowBadge(false);
 				nm.createNotificationChannel(ongoingChannel);
-				// Delete the unused channel previously used for startup
+				NotificationChannel failureChannel = new NotificationChannel(
-				// failure notifications
+						FAILURE_CHANNEL_ID,
-				// TODO: Remove this ID after a reasonable upgrade period
+						getString(R.string.startup_failed_notification_title),
-				//  (added 2021-07-12)
+						IMPORTANCE_DEFAULT);
-				nm.deleteNotificationChannel(FAILURE_CHANNEL_ID);
+				failureChannel.setLockscreenVisibility(VISIBILITY_SECRET);
+				nm.createNotificationChannel(failureChannel);
 			}
 			Notification foregroundNotification =
 					notificationManager.getForegroundNotification();
@@ -147,7 +156,7 @@ public class BriarService extends Service {
 				} else {
 					if (LOG.isLoggable(WARNING))
 						LOG.warning("Startup failed: " + result);
-					showStartupFailure(result);
+					showStartupFailureNotification(result);
 					stopSelf();
 				}
 			}, "LifecycleStartup");
@@ -173,13 +182,29 @@ public class BriarService extends Service {
 		Localizer.getInstance().setLocale(this);
 	}
 
-	private void showStartupFailure(StartResult result) {
+	private void showStartupFailureNotification(StartResult result) {
 		androidExecutor.runOnUiThread(() -> {
-			// Bring the entry activity to the front to clear the back stack
+			NotificationCompat.Builder b = new NotificationCompat.Builder(
-			Intent i = new Intent(BriarService.this, ENTRY_ACTIVITY);
+					BriarService.this, FAILURE_CHANNEL_ID);
+			b.setSmallIcon(android.R.drawable.stat_notify_error);
+			b.setContentTitle(getText(
+					R.string.startup_failed_notification_title));
+			b.setContentText(getText(
+					R.string.startup_failed_notification_text));
+			Intent i = new Intent(BriarService.this,
+					StartupFailureActivity.class);
+			i.setFlags(FLAG_ACTIVITY_NEW_TASK);
+			i.putExtra(EXTRA_START_RESULT, result);
+			i.putExtra(EXTRA_NOTIFICATION_ID, FAILURE_NOTIFICATION_ID);
+			b.setContentIntent(PendingIntent.getActivity(BriarService.this,
+					0, i, FLAG_UPDATE_CURRENT));
+			NotificationManager nm = (NotificationManager)
+					requireNonNull(getSystemService(NOTIFICATION_SERVICE));
+			nm.notify(FAILURE_NOTIFICATION_ID, b.build());
+			// Bring the dashboard to the front to clear the back stack
+			i = new Intent(BriarService.this, ENTRY_ACTIVITY);
 			i.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TOP);
 			i.putExtra(EXTRA_STARTUP_FAILED, true);
-			i.putExtra(EXTRA_START_RESULT, result);
 			startActivity(i);
 		});
 	}