FIX: Addresses reviewer comments

WIP: Replace session states in the Engine classes
2026-02-12 10:49:06 +01:00 · 2016-09-23 09:21:03 -04:00 · 2016-09-19 22:39:19 -04:00
2369 changed files with 83963 additions and 134929 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -9,20 +9,15 @@ Thumbs.db
 .DS_Store
 # Eclipse project files
-.classpath
+#.classpath
-.project
+#.project
 .settings
 # Local configuration file (sdk path, etc)
 local.properties
 # Android Studio
 .idea/*
 !.idea/runConfigurations/
 !.idea/codeStyleSettings.xml
 !.idea/codeStyles
 .gradle
 build/
 captures
 *.iml
 projectFilesBackup/
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,27 +0,0 @@
 image: briar/ci-image-android:latest
 test:
  before_script:
    - set -e
    - export GRADLE_USER_HOME=$PWD/.gradle
  cache:
    paths:
      - .gradle/wrapper
      - .gradle/caches
  script:
    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom test
  after_script:
    # these file change every time but should not be cached
    - rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
    - rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
 test_reproducible:
  script:
    - "curl -X POST -F token=${RELEASE_CHECK_TOKEN} -F ref=master -F variables[RELEASE_TAG]=${CI_COMMIT_REF_NAME} https://code.briarproject.org/api/v4/projects/61/trigger/pipeline"
  only:
    - tags
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -31,8 +31,6 @@
          </value>
        </option>
        <option name="RIGHT_MARGIN" value="100" />
        <option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
        <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
        <AndroidXmlCodeStyleSettings>
          <option name="USE_CUSTOM_SETTINGS" value="true" />
        </AndroidXmlCodeStyleSettings>
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,270 +0,0 @@
 <component name="ProjectCodeStyleConfiguration">
  <code_scheme name="Project" version="173">
    <option name="RIGHT_MARGIN" value="100" />
    <AndroidXmlCodeStyleSettings>
      <option name="USE_CUSTOM_SETTINGS" value="true" />
    </AndroidXmlCodeStyleSettings>
    <JavaCodeStyleSettings>
      <option name="ANNOTATION_PARAMETER_WRAP" value="1" />
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          <package name="org" withSubpackages="true" static="false" />
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          <package name="java" withSubpackages="true" static="false" />
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          <package name="javax" withSubpackages="true" static="false" />
          <emptyLine />
          <package name="" withSubpackages="true" static="false" />
          <emptyLine />
          <package name="" withSubpackages="true" static="true" />
          <emptyLine />
        </value>
      </option>
      <option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
      <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
    </JavaCodeStyleSettings>
    <JetCodeStyleSettings>
      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
    </JetCodeStyleSettings>
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        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
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        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
      </file>
      <class>
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
      </class>
      <extensions>
        <pair source="cpp" header="h" fileNamingConvention="NONE" />
        <pair source="c" header="h" fileNamingConvention="NONE" />
      </extensions>
    </Objective-C-extensions>
    <XML>
      <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
    </XML>
    <codeStyleSettings language="Groovy">
      <indentOptions>
        <option name="USE_TAB_CHARACTER" value="true" />
        <option name="SMART_TABS" value="true" />
      </indentOptions>
    </codeStyleSettings>
    <codeStyleSettings language="JAVA">
      <option name="RIGHT_MARGIN" value="80" />
      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
      <option name="ALIGN_MULTILINE_RESOURCES" value="false" />
      <option name="ALIGN_MULTILINE_FOR" value="false" />
      <option name="SPACE_BEFORE_ARRAY_INITIALIZER_LBRACE" value="true" />
      <option name="CALL_PARAMETERS_WRAP" value="1" />
      <option name="METHOD_PARAMETERS_WRAP" value="1" />
      <option name="RESOURCE_LIST_WRAP" value="1" />
      <option name="EXTENDS_LIST_WRAP" value="1" />
      <option name="THROWS_LIST_WRAP" value="1" />
      <option name="EXTENDS_KEYWORD_WRAP" value="1" />
      <option name="THROWS_KEYWORD_WRAP" value="1" />
      <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
      <option name="BINARY_OPERATION_WRAP" value="1" />
      <option name="TERNARY_OPERATION_WRAP" value="1" />
      <option name="FOR_STATEMENT_WRAP" value="1" />
      <option name="ARRAY_INITIALIZER_WRAP" value="1" />
      <option name="ASSIGNMENT_WRAP" value="1" />
      <option name="ASSERT_STATEMENT_WRAP" value="1" />
      <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
      <option name="VARIABLE_ANNOTATION_WRAP" value="1" />
      <option name="ENUM_CONSTANTS_WRAP" value="1" />
      <indentOptions>
        <option name="USE_TAB_CHARACTER" value="true" />
        <option name="SMART_TABS" value="true" />
      </indentOptions>
    </codeStyleSettings>
    <codeStyleSettings language="XML">
      <option name="FORCE_REARRANGE_MODE" value="1" />
      <indentOptions>
        <option name="CONTINUATION_INDENT_SIZE" value="4" />
        <option name="USE_TAB_CHARACTER" value="true" />
        <option name="SMART_TABS" value="true" />
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                  <NAME>xmlns:android</NAME>
                  <XML_NAMESPACE>Namespace:</XML_NAMESPACE>
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          <section>
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                  <NAME>xmlns:.*</NAME>
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              <order>BY_NAME</order>
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          <section>
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              <match>
                <AND>
                  <NAME>.*:id</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
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          <section>
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              <match>
                <AND>
                  <NAME>.*:name</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
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                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
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          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:layout_height</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
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            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:layout_.*</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
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              <order>BY_NAME</order>
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          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:width</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
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              </match>
              <order>BY_NAME</order>
            </rule>
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          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:height</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
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          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*</NAME>
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
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              <order>BY_NAME</order>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*</NAME>
                  <XML_NAMESPACE>.*</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
          </section>
        </rules>
      </arrangement>
    </codeStyleSettings>
    <codeStyleSettings language="kotlin">
      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
      <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
      <option name="VARIABLE_ANNOTATION_WRAP" value="1" />
      <option name="ENUM_CONSTANTS_WRAP" value="1" />
    </codeStyleSettings>
  </code_scheme>
 </component>
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -1,5 +0,0 @@
 <component name="ProjectCodeStyleConfiguration">
  <state>
    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
  </state>
 </component>
--- a/.idea/runConfigurations/All_in_briar_headless.xml
+++ b/.idea/runConfigurations/All_in_briar_headless.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All in briar-headless" type="AndroidJUnit" factoryName="Android JUnit" nameIsGenerated="true">
    <module name="briar-headless" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
    <option name="MAIN_CLASS_NAME" value="" />
    <option name="METHOD_NAME" value="" />
    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-headless" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests.xml
+++ b/.idea/runConfigurations/All_tests.xml
@@ -1,30 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests" type="AndroidJUnit" factoryName="Android JUnit">
    <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
    <module name="briar-android" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
    <option name="MAIN_CLASS_NAME" value="" />
    <option name="METHOD_NAME" value="" />
    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
    <option name="ENV_VARIABLES" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <envs />
    <patterns />
    <method>
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-api" run_configuration_type="AndroidJUnit" />
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-core" run_configuration_type="AndroidJUnit" />
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-android" run_configuration_type="AndroidJUnit" />
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-java" run_configuration_type="AndroidJUnit" />
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-core" run_configuration_type="AndroidJUnit" />
      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All in briar-headless" run_configuration_type="AndroidJUnit" />
    </method>
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_bramble_android.xml
+++ b/.idea/runConfigurations/All_tests_in_bramble_android.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in bramble-android" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-android" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
    <option name="MAIN_CLASS_NAME" value="" />
    <option name="METHOD_NAME" value="" />
    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-android" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_bramble_api.xml
+++ b/.idea/runConfigurations/All_tests_in_bramble_api.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in bramble-api" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-api" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
    <option name="MAIN_CLASS_NAME" value="" />
    <option name="METHOD_NAME" value="" />
    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-api" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_bramble_core.xml
+++ b/.idea/runConfigurations/All_tests_in_bramble_core.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in bramble-core" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-core" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
    <option name="MAIN_CLASS_NAME" value="" />
    <option name="METHOD_NAME" value="" />
    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-core" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
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    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_bramble_java.xml
+++ b/.idea/runConfigurations/All_tests_in_bramble_java.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in bramble-java" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-java" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
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    <option name="TEST_OBJECT" value="package" />
    <option name="VM_PARAMETERS" value="-ea -Djava.library.path=libs" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-java" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_briar_android.xml
+++ b/.idea/runConfigurations/All_tests_in_briar_android.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in briar-android" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="briar-android" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
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    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
    <option name="PASS_PARENT_ENVS" value="true" />
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    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/All_tests_in_briar_core.xml
+++ b/.idea/runConfigurations/All_tests_in_briar_core.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="All tests in briar-core" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="briar-core" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PACKAGE_NAME" value="" />
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    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
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    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/H2_Performance_Test.xml
+++ b/.idea/runConfigurations/H2_Performance_Test.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="H2 Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-core" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
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    <option name="WORKING_DIRECTORY" value="" />
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    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
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    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/HyperSQL_Performance_Test.xml
+++ b/.idea/runConfigurations/HyperSQL_Performance_Test.xml
@@ -1,20 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="HyperSQL Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
    <module name="bramble-core" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
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    <option name="METHOD_NAME" value="" />
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    <option name="VM_PARAMETERS" value="-ea" />
    <option name="PARAMETERS" value="" />
    <option name="WORKING_DIRECTORY" value="" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="TEST_SEARCH_SCOPE">
      <value defaultName="singleModule" />
    </option>
    <patterns />
    <method />
  </configuration>
 </component>
--- a/.idea/runConfigurations/briar_headless.xml
+++ b/.idea/runConfigurations/briar_headless.xml
@@ -1,17 +0,0 @@
 <component name="ProjectRunConfigurationManager">
  <configuration default="false" name="briar-headless" type="JetRunConfigurationType" factoryName="Kotlin" singleton="true">
    <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
    <option name="VM_PARAMETERS" value="" />
    <option name="PROGRAM_PARAMETERS" value="-v" />
    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
    <option name="ALTERNATIVE_JRE_PATH" />
    <option name="PASS_PARENT_ENVS" value="true" />
    <option name="MAIN_CLASS_NAME" value="org.briarproject.briar.headless.MainKt" />
    <option name="WORKING_DIRECTORY" value="" />
    <module name="briar-headless" />
    <envs />
    <method>
      <option name="Gradle.BeforeRunTask" enabled="true" tasks="jar" externalProjectPath="$PROJECT_DIR$/briar-headless" vmOptions="" scriptParameters="" />
    </method>
  </configuration>
 </component>
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -13,6 +13,23 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -------------------------------------------------------------------------
    All files under the directories briar-android/src, briar-api/src,
    briar-core/src, briar-desktop/src and briar-test/src are licensed
    under the Apache License, version 2.0 (the "License"); you may not
    use these files except in compliance with the License.
    You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    implied. See the License for the specific language governing
    permissions and limitations under the License.
 -------------------------------------------------------------------------
                    GNU GENERAL PUBLIC LICENSE
--- a/bramble-android/.gitignore
+++ b/bramble-android/.gitignore
@@ -1,5 +0,0 @@
 bin
 gen
 build
 .settings
 src/main/res/raw/*.zip
--- a/bramble-android/build.gradle
+++ b/bramble-android/build.gradle
@@ -1,51 +0,0 @@
 apply plugin: 'com.android.library'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 android {
 	compileSdkVersion 28
 	buildToolsVersion '28.0.3'
 	defaultConfig {
 		minSdkVersion 14
 		targetSdkVersion 26
 		versionCode 10104
 		versionName "1.1.4"
 		consumerProguardFiles 'proguard-rules.txt'
 		testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 	}
 	compileOptions {
 		sourceCompatibility JavaVersion.VERSION_1_8
 		targetCompatibility JavaVersion.VERSION_1_8
 	}
 }
 configurations {
 	tor
 }
 dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
 	tor 'org.briarproject:tor-android:0.3.4.8@zip'
 	annotationProcessor 'com.google.dagger:dagger-compiler:2.0.2'
 	compileOnly 'javax.annotation:jsr250-api:1.0'
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
 	testImplementation 'junit:junit:4.12'
 	testImplementation "org.jmock:jmock:2.8.2"
 	testImplementation "org.jmock:jmock-junit4:2.8.2"
 	testImplementation "org.jmock:jmock-legacy:2.8.2"
 	testImplementation "org.hamcrest:hamcrest-library:1.3"
 	testImplementation "org.hamcrest:hamcrest-core:1.3"
 }
 project.afterEvaluate {
 	copy {
 		from configurations.tor.collect { zipTree(it) }
 		into 'src/main/res/raw'
 	}
 }
--- a/bramble-android/proguard-rules.txt
+++ b/bramble-android/proguard-rules.txt
@@ -1,19 +0,0 @@
 -keep,includedescriptorclasses class org.briarproject.** { *; }
 -keep class org.h2.** { *; }
 -dontwarn org.h2.**
 -dontnote org.h2.**
 -keep class dagger.** { *; }
 -dontwarn dagger.**
 -dontnote dagger.**
 -keep class net.i2p.crypto.eddsa.** { *; }
 -keep class org.whispersystems.curve25519.** { *; }
 -dontwarn sun.misc.Unsafe
 -dontnote com.google.common.**
 # UPnP library isn't used
 -dontwarn org.bitlet.weupnp.**
--- a/bramble-android/src/main/AndroidManifest.xml
+++ b/bramble-android/src/main/AndroidManifest.xml
@@ -1,21 +0,0 @@
 <manifest
 	package="org.briarproject.bramble"
 	xmlns:android="http://schemas.android.com/apk/res/android">
 	<uses-feature android:name="android.hardware.bluetooth" android:required="false"/>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 	<uses-permission android:name="android.permission.BLUETOOTH"/>
 	<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
 	<uses-permission android:name="android.permission.INTERNET"/>
 	<uses-permission android:name="android.permission.WAKE_LOCK"/>
 	<application
 		android:allowBackup="false"
 		android:label="@string/app_name"
 		android:supportsRtl="true">
 	</application>
 </manifest>
--- a/bramble-android/src/main/java/org/briarproject/bramble/BrambleAndroidModule.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/BrambleAndroidModule.java
@@ -1,16 +0,0 @@
 package org.briarproject.bramble;
 import org.briarproject.bramble.network.AndroidNetworkModule;
 import org.briarproject.bramble.plugin.tor.CircumventionModule;
 import org.briarproject.bramble.system.AndroidSystemModule;
 import dagger.Module;
@Module(includes = {
 		AndroidNetworkModule.class,
 		AndroidSystemModule.class,
 		CircumventionModule.class
 })
 public class BrambleAndroidModule {
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/account/AndroidAccountManager.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/account/AndroidAccountManager.java
@@ -1,108 +0,0 @@
 package org.briarproject.bramble.account;
 import android.app.Application;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 import org.briarproject.bramble.api.account.AccountManager;
 import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.db.DatabaseConfig;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.util.IoUtils;
 import java.io.File;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 class AndroidAccountManager extends AccountManagerImpl
 		implements AccountManager {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidAccountManager.class.getName());
 	private static final String PREF_DB_KEY = "key";
 	protected final Context appContext;
 	private final SharedPreferences prefs;
 	@Inject
 	AndroidAccountManager(DatabaseConfig databaseConfig,
 			CryptoComponent crypto, IdentityManager identityManager,
 			SharedPreferences prefs, Application app) {
 		super(databaseConfig, crypto, identityManager);
 		this.prefs = prefs;
 		appContext = app.getApplicationContext();
 	}
 	// Locking: stateChangeLock
 	@Override
 	@Nullable
 	protected String loadEncryptedDatabaseKey() {
 		String key = getDatabaseKeyFromPreferences();
 		if (key == null) key = super.loadEncryptedDatabaseKey();
 		else migrateDatabaseKeyToFile(key);
 		return key;
 	}
 	// Locking: stateChangeLock
 	@Nullable
 	private String getDatabaseKeyFromPreferences() {
 		String key = prefs.getString(PREF_DB_KEY, null);
 		if (key == null) LOG.info("No database key in preferences");
 		else LOG.info("Found database key in preferences");
 		return key;
 	}
 	// Locking: stateChangeLock
 	private void migrateDatabaseKeyToFile(String key) {
 		if (storeEncryptedDatabaseKey(key)) {
 			if (prefs.edit().remove(PREF_DB_KEY).commit())
 				LOG.info("Database key migrated to file");
 			else LOG.warning("Database key not removed from preferences");
 		} else {
 			LOG.warning("Database key not migrated to file");
 		}
 	}
 	@Override
 	public void deleteAccount() {
 		synchronized (stateChangeLock) {
 			super.deleteAccount();
 			SharedPreferences defaultPrefs = getDefaultSharedPreferences();
 			deleteAppData(prefs, defaultPrefs);
 		}
 	}
 	// Package access for testing
 	SharedPreferences getDefaultSharedPreferences() {
 		return PreferenceManager.getDefaultSharedPreferences(appContext);
 	}
 	// Locking: stateChangeLock
 	private void deleteAppData(SharedPreferences... clear) {
 		// Clear and commit shared preferences
 		for (SharedPreferences prefs : clear) {
 			if (!prefs.edit().clear().commit())
 				LOG.warning("Could not clear shared preferences");
 		}
 		// Delete files, except lib and shared_prefs directories
 		File dataDir = new File(appContext.getApplicationInfo().dataDir);
 		File[] children = dataDir.listFiles();
 		if (children == null) {
 			LOG.warning("Could not list files in app data dir");
 		} else {
 			for (File child : children) {
 				String name = child.getName();
 				if (!name.equals("lib") && !name.equals("shared_prefs")) {
 					IoUtils.deleteFileOrDir(child);
 				}
 			}
 		}
 		// Recreate the cache dir as some OpenGL drivers expect it to exist
 		if (!new File(dataDir, "cache").mkdir())
 			LOG.warning("Could not recreate cache dir");
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/network/AndroidNetworkManager.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/network/AndroidNetworkManager.java
@@ -1,142 +0,0 @@
 package org.briarproject.bramble.network;
 import android.app.Application;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.Service;
 import org.briarproject.bramble.api.network.NetworkManager;
 import org.briarproject.bramble.api.network.NetworkStatus;
 import org.briarproject.bramble.api.network.event.NetworkStatusEvent;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.bramble.api.system.Scheduler;
 import java.util.concurrent.Future;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 import static android.content.Context.CONNECTIVITY_SERVICE;
 import static android.content.Intent.ACTION_SCREEN_OFF;
 import static android.content.Intent.ACTION_SCREEN_ON;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.os.Build.VERSION.SDK_INT;
 import static android.os.PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED;
 import static java.util.concurrent.TimeUnit.MINUTES;
 import static java.util.concurrent.TimeUnit.SECONDS;
 import static java.util.logging.Level.INFO;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
 class AndroidNetworkManager implements NetworkManager, Service {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidNetworkManager.class.getName());
 	// See android.net.wifi.WifiManager
 	private static final String WIFI_AP_STATE_CHANGED_ACTION =
 			"android.net.wifi.WIFI_AP_STATE_CHANGED";
 	private final ScheduledExecutorService scheduler;
 	private final EventBus eventBus;
 	private final Context appContext;
 	private final AtomicReference<Future<?>> connectivityCheck =
 			new AtomicReference<>();
 	private final AtomicBoolean used = new AtomicBoolean(false);
 	private volatile BroadcastReceiver networkStateReceiver = null;
 	@Inject
 	AndroidNetworkManager(@Scheduler ScheduledExecutorService scheduler,
 			EventBus eventBus, Application app) {
 		this.scheduler = scheduler;
 		this.eventBus = eventBus;
 		this.appContext = app.getApplicationContext();
 	}
 	@Override
 	public void startService() {
 		if (used.getAndSet(true)) throw new IllegalStateException();
 		// Register to receive network status events
 		networkStateReceiver = new NetworkStateReceiver();
 		IntentFilter filter = new IntentFilter();
 		filter.addAction(CONNECTIVITY_ACTION);
 		filter.addAction(ACTION_SCREEN_ON);
 		filter.addAction(ACTION_SCREEN_OFF);
 		filter.addAction(WIFI_AP_STATE_CHANGED_ACTION);
 		if (SDK_INT >= 23) filter.addAction(ACTION_DEVICE_IDLE_MODE_CHANGED);
 		appContext.registerReceiver(networkStateReceiver, filter);
 	}
 	@Override
 	public void stopService() {
 		if (networkStateReceiver != null)
 			appContext.unregisterReceiver(networkStateReceiver);
 	}
 	@Override
 	public NetworkStatus getNetworkStatus() {
 		ConnectivityManager cm = (ConnectivityManager)
 				appContext.getSystemService(CONNECTIVITY_SERVICE);
 		if (cm == null) throw new AssertionError();
 		NetworkInfo net = cm.getActiveNetworkInfo();
 		boolean connected = net != null && net.isConnected();
 		boolean wifi = connected && net.getType() == TYPE_WIFI;
 		return new NetworkStatus(connected, wifi);
 	}
 	private void updateConnectionStatus() {
 		eventBus.broadcast(new NetworkStatusEvent(getNetworkStatus()));
 	}
 	private void scheduleConnectionStatusUpdate(int delay, TimeUnit unit) {
 		Future<?> newConnectivityCheck =
 				scheduler.schedule(this::updateConnectionStatus, delay, unit);
 		Future<?> oldConnectivityCheck =
 				connectivityCheck.getAndSet(newConnectivityCheck);
 		if (oldConnectivityCheck != null) oldConnectivityCheck.cancel(false);
 	}
 	private class NetworkStateReceiver extends BroadcastReceiver {
 		@Override
 		public void onReceive(Context ctx, Intent i) {
 			String action = i.getAction();
 			if (LOG.isLoggable(INFO)) LOG.info("Received broadcast " + action);
 			updateConnectionStatus();
 			if (isSleepOrDozeEvent(action)) {
 				// Allow time for the network to be enabled or disabled
 				scheduleConnectionStatusUpdate(1, MINUTES);
 			} else if (isApEvent(action)) {
 				// The state change may be broadcast before the AP address is
 				// visible, so delay handling the event
 				scheduleConnectionStatusUpdate(5, SECONDS);
 			}
 		}
 		private boolean isSleepOrDozeEvent(@Nullable String action) {
 			boolean isSleep = ACTION_SCREEN_ON.equals(action) ||
 					ACTION_SCREEN_OFF.equals(action);
 			boolean isDoze = SDK_INT >= 23 &&
 					ACTION_DEVICE_IDLE_MODE_CHANGED.equals(action);
 			return isSleep || isDoze;
 		}
 		private boolean isApEvent(@Nullable String action) {
 			return WIFI_AP_STATE_CHANGED_ACTION.equals(action);
 		}
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/network/AndroidNetworkModule.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/network/AndroidNetworkModule.java
@@ -1,21 +0,0 @@
 package org.briarproject.bramble.network;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
 import org.briarproject.bramble.api.network.NetworkManager;
 import javax.inject.Singleton;
 import dagger.Module;
 import dagger.Provides;
@Module
 public class AndroidNetworkModule {
 	@Provides
 	@Singleton
 	NetworkManager provideNetworkManager(LifecycleManager lifecycleManager,
 			AndroidNetworkManager networkManager) {
 		lifecycleManager.registerService(networkManager);
 		return networkManager;
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
@@ -1,310 +0,0 @@
 package org.briarproject.bramble.plugin.bluetooth;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothServerSocket;
 import android.bluetooth.BluetoothSocket;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.PluginException;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
 import org.briarproject.bramble.api.system.AndroidExecutor;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.util.AndroidUtils;
 import java.io.Closeable;
 import java.io.IOException;
 import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executor;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_FINISHED;
 import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_STARTED;
 import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
 import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
 import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
 import static android.bluetooth.BluetoothAdapter.EXTRA_STATE;
 import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE;
 import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE;
 import static android.bluetooth.BluetoothAdapter.SCAN_MODE_NONE;
 import static android.bluetooth.BluetoothAdapter.STATE_OFF;
 import static android.bluetooth.BluetoothAdapter.STATE_ON;
 import static android.bluetooth.BluetoothDevice.ACTION_FOUND;
 import static android.bluetooth.BluetoothDevice.EXTRA_DEVICE;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
 class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidBluetoothPlugin.class.getName());
 	private static final int MAX_DISCOVERY_MS = 10_000;
 	private final AndroidExecutor androidExecutor;
 	private final Context appContext;
 	private final Clock clock;
 	private volatile boolean wasEnabledByUs = false;
 	private volatile BluetoothStateReceiver receiver = null;
 	// Non-null if the plugin started successfully
 	private volatile BluetoothAdapter adapter = null;
 	AndroidBluetoothPlugin(BluetoothConnectionLimiter connectionLimiter,
 			Executor ioExecutor, AndroidExecutor androidExecutor,
 			Context appContext, SecureRandom secureRandom, Clock clock,
 			Backoff backoff, DuplexPluginCallback callback, int maxLatency) {
 		super(connectionLimiter, ioExecutor, secureRandom, backoff, callback,
 				maxLatency);
 		this.androidExecutor = androidExecutor;
 		this.appContext = appContext;
 		this.clock = clock;
 	}
 	@Override
 	public void start() throws PluginException {
 		super.start();
 		// Listen for changes to the Bluetooth state
 		IntentFilter filter = new IntentFilter();
 		filter.addAction(ACTION_STATE_CHANGED);
 		filter.addAction(ACTION_SCAN_MODE_CHANGED);
 		receiver = new BluetoothStateReceiver();
 		appContext.registerReceiver(receiver, filter);
 	}
 	@Override
 	public void stop() {
 		super.stop();
 		if (receiver != null) appContext.unregisterReceiver(receiver);
 	}
 	@Override
 	void initialiseAdapter() throws IOException {
 		// BluetoothAdapter.getDefaultAdapter() must be called on a thread
 		// with a message queue, so submit it to the AndroidExecutor
 		try {
 			adapter = androidExecutor.runOnBackgroundThread(
 					BluetoothAdapter::getDefaultAdapter).get();
 		} catch (InterruptedException | ExecutionException e) {
 			throw new IOException(e);
 		}
 		if (adapter == null)
 			throw new IOException("Bluetooth is not supported");
 	}
 	@Override
 	boolean isAdapterEnabled() {
 		return adapter != null && adapter.isEnabled();
 	}
 	@Override
 	void enableAdapter() {
 		if (adapter != null && !adapter.isEnabled()) {
 			if (adapter.enable()) {
 				LOG.info("Enabling Bluetooth");
 				wasEnabledByUs = true;
 			} else {
 				LOG.info("Could not enable Bluetooth");
 			}
 		}
 	}
 	@Override
 	void disableAdapterIfEnabledByUs() {
 		if (isAdapterEnabled() && wasEnabledByUs) {
 			if (adapter.disable()) LOG.info("Disabling Bluetooth");
 			else LOG.info("Could not disable Bluetooth");
 			wasEnabledByUs = false;
 		}
 	}
 	@Override
 	void setEnabledByUs() {
 		wasEnabledByUs = true;
 	}
 	@Override
 	@Nullable
 	String getBluetoothAddress() {
 		String address = AndroidUtils.getBluetoothAddress(appContext, adapter);
 		return address.isEmpty() ? null : address;
 	}
 	@Override
 	BluetoothServerSocket openServerSocket(String uuid) throws IOException {
 		return adapter.listenUsingInsecureRfcommWithServiceRecord(
 				"RFCOMM", UUID.fromString(uuid));
 	}
 	@Override
 	void tryToClose(@Nullable BluetoothServerSocket ss) {
 		try {
 			if (ss != null) ss.close();
 		} catch (IOException e) {
 			logException(LOG, WARNING, e);
 		}
 	}
 	@Override
 	DuplexTransportConnection acceptConnection(BluetoothServerSocket ss)
 			throws IOException {
 		return wrapSocket(ss.accept());
 	}
 	private DuplexTransportConnection wrapSocket(BluetoothSocket s) {
 		return new AndroidBluetoothTransportConnection(this,
 				connectionLimiter, s);
 	}
 	@Override
 	boolean isValidAddress(String address) {
 		return BluetoothAdapter.checkBluetoothAddress(address);
 	}
 	@Override
 	DuplexTransportConnection connectTo(String address, String uuid)
 			throws IOException {
 		BluetoothDevice d = adapter.getRemoteDevice(address);
 		UUID u = UUID.fromString(uuid);
 		BluetoothSocket s = null;
 		try {
 			s = d.createInsecureRfcommSocketToServiceRecord(u);
 			s.connect();
 			return wrapSocket(s);
 		} catch (IOException e) {
 			tryToClose(s);
 			throw e;
 		}
 	}
 	@Override
 	@Nullable
 	DuplexTransportConnection discoverAndConnect(String uuid) {
 		if (adapter == null) return null;
 		for (String address : discoverDevices()) {
 			try {
 				if (LOG.isLoggable(INFO))
 					LOG.info("Connecting to " + scrubMacAddress(address));
 				return connectTo(address, uuid);
 			} catch (IOException e) {
 				if (LOG.isLoggable(INFO)) {
 					LOG.info("Could not connect to "
 							+ scrubMacAddress(address));
 				}
 			}
 		}
 		LOG.info("Could not connect to any devices");
 		return null;
 	}
 	private Collection<String> discoverDevices() {
 		List<String> addresses = new ArrayList<>();
 		BlockingQueue<Intent> intents = new LinkedBlockingQueue<>();
 		DiscoveryReceiver receiver = new DiscoveryReceiver(intents);
 		IntentFilter filter = new IntentFilter();
 		filter.addAction(ACTION_DISCOVERY_STARTED);
 		filter.addAction(ACTION_DISCOVERY_FINISHED);
 		filter.addAction(ACTION_FOUND);
 		appContext.registerReceiver(receiver, filter);
 		try {
 			if (adapter.startDiscovery()) {
 				long now = clock.currentTimeMillis();
 				long end = now + MAX_DISCOVERY_MS;
 				while (now < end) {
 					Intent i = intents.poll(end - now, MILLISECONDS);
 					if (i == null) break;
 					String action = i.getAction();
 					if (ACTION_DISCOVERY_STARTED.equals(action)) {
 						LOG.info("Discovery started");
 					} else if (ACTION_DISCOVERY_FINISHED.equals(action)) {
 						LOG.info("Discovery finished");
 						break;
 					} else if (ACTION_FOUND.equals(action)) {
 						BluetoothDevice d = i.getParcelableExtra(EXTRA_DEVICE);
 						String address = d.getAddress();
 						if (LOG.isLoggable(INFO))
 							LOG.info("Discovered " + scrubMacAddress(address));
 						if (!addresses.contains(address))
 							addresses.add(address);
 					}
 					now = clock.currentTimeMillis();
 				}
 			} else {
 				LOG.info("Could not start discovery");
 			}
 		} catch (InterruptedException e) {
 			LOG.info("Interrupted while discovering devices");
 			Thread.currentThread().interrupt();
 		} finally {
 			LOG.info("Cancelling discovery");
 			adapter.cancelDiscovery();
 			appContext.unregisterReceiver(receiver);
 		}
 		// Shuffle the addresses so we don't always try the same one first
 		Collections.shuffle(addresses);
 		return addresses;
 	}
 	private void tryToClose(@Nullable Closeable c) {
 		try {
 			if (c != null) c.close();
 		} catch (IOException e) {
 			logException(LOG, WARNING, e);
 		}
 	}
 	private class BluetoothStateReceiver extends BroadcastReceiver {
 		@Override
 		public void onReceive(Context ctx, Intent intent) {
 			int state = intent.getIntExtra(EXTRA_STATE, 0);
 			if (state == STATE_ON) onAdapterEnabled();
 			else if (state == STATE_OFF) onAdapterDisabled();
 			int scanMode = intent.getIntExtra(EXTRA_SCAN_MODE, 0);
 			if (scanMode == SCAN_MODE_NONE) {
 				LOG.info("Scan mode: None");
 			} else if (scanMode == SCAN_MODE_CONNECTABLE) {
 				LOG.info("Scan mode: Connectable");
 			} else if (scanMode == SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
 				LOG.info("Scan mode: Discoverable");
 			}
 		}
 	}
 	private static class DiscoveryReceiver extends BroadcastReceiver {
 		private final BlockingQueue<Intent> intents;
 		private DiscoveryReceiver(BlockingQueue<Intent> intents) {
 			this.intents = intents;
 		}
 		@Override
 		public void onReceive(Context ctx, Intent intent) {
 			intents.add(intent);
 		}
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPluginFactory.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPluginFactory.java
@@ -1,75 +0,0 @@
 package org.briarproject.bramble.plugin.bluetooth;
 import android.content.Context;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 import org.briarproject.bramble.api.system.AndroidExecutor;
 import org.briarproject.bramble.api.system.Clock;
 import java.security.SecureRandom;
 import java.util.concurrent.Executor;
 import javax.annotation.concurrent.Immutable;
 import static org.briarproject.bramble.api.plugin.BluetoothConstants.ID;
@Immutable
@NotNullByDefault
 public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
 	private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
 	private static final int MIN_POLLING_INTERVAL = 60 * 1000; // 1 minute
 	private static final int MAX_POLLING_INTERVAL = 10 * 60 * 1000; // 10 mins
 	private static final double BACKOFF_BASE = 1.2;
 	private final Executor ioExecutor;
 	private final AndroidExecutor androidExecutor;
 	private final Context appContext;
 	private final SecureRandom secureRandom;
 	private final EventBus eventBus;
 	private final Clock clock;
 	private final BackoffFactory backoffFactory;
 	public AndroidBluetoothPluginFactory(Executor ioExecutor,
 			AndroidExecutor androidExecutor, Context appContext,
 			SecureRandom secureRandom, EventBus eventBus, Clock clock,
 			BackoffFactory backoffFactory) {
 		this.ioExecutor = ioExecutor;
 		this.androidExecutor = androidExecutor;
 		this.appContext = appContext;
 		this.secureRandom = secureRandom;
 		this.eventBus = eventBus;
 		this.clock = clock;
 		this.backoffFactory = backoffFactory;
 	}
 	@Override
 	public TransportId getId() {
 		return ID;
 	}
 	@Override
 	public int getMaxLatency() {
 		return MAX_LATENCY;
 	}
 	@Override
 	public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
 		BluetoothConnectionLimiter connectionLimiter =
 				new BluetoothConnectionLimiterImpl();
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
 		AndroidBluetoothPlugin plugin = new AndroidBluetoothPlugin(
 				connectionLimiter, ioExecutor, androidExecutor, appContext,
 				secureRandom, clock, backoff, callback, MAX_LATENCY);
 		eventBus.addListener(plugin);
 		return plugin;
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothTransportConnection.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothTransportConnection.java
@@ -1,46 +0,0 @@
 package org.briarproject.bramble.plugin.bluetooth;
 import android.bluetooth.BluetoothSocket;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.Plugin;
 import org.briarproject.bramble.api.plugin.duplex.AbstractDuplexTransportConnection;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@NotNullByDefault
 class AndroidBluetoothTransportConnection
 		extends AbstractDuplexTransportConnection {
 	private final BluetoothConnectionLimiter connectionManager;
 	private final BluetoothSocket socket;
 	AndroidBluetoothTransportConnection(Plugin plugin,
 			BluetoothConnectionLimiter connectionManager,
 			BluetoothSocket socket) {
 		super(plugin);
 		this.connectionManager = connectionManager;
 		this.socket = socket;
 	}
 	@Override
 	protected InputStream getInputStream() throws IOException {
 		return socket.getInputStream();
 	}
 	@Override
 	protected OutputStream getOutputStream() throws IOException {
 		return socket.getOutputStream();
 	}
 	@Override
 	protected void closeConnection(boolean exception) throws IOException {
 		try {
 			socket.close();
 		} finally {
 			connectionManager.connectionClosed(this);
 		}
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPlugin.java
@@ -1,166 +0,0 @@
 package org.briarproject.bramble.plugin.tcp;
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.Network;
 import android.net.NetworkInfo;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import org.briarproject.bramble.PoliteExecutor;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.event.EventListener;
 import org.briarproject.bramble.api.network.event.NetworkStatusEvent;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.Socket;
 import java.net.UnknownHostException;
 import java.util.Collection;
 import java.util.concurrent.Executor;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.net.SocketFactory;
 import static android.content.Context.CONNECTIVITY_SERVICE;
 import static android.content.Context.WIFI_SERVICE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.os.Build.VERSION.SDK_INT;
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
@NotNullByDefault
 class AndroidLanTcpPlugin extends LanTcpPlugin implements EventListener {
 	private static final byte[] WIFI_AP_ADDRESS_BYTES =
 			{(byte) 192, (byte) 168, 43, 1};
 	private static final InetAddress WIFI_AP_ADDRESS;
 	private static final Logger LOG =
 			Logger.getLogger(AndroidLanTcpPlugin.class.getName());
 	static {
 		try {
 			WIFI_AP_ADDRESS = InetAddress.getByAddress(WIFI_AP_ADDRESS_BYTES);
 		} catch (UnknownHostException e) {
 			// Should only be thrown if the address has an illegal length
 			throw new AssertionError(e);
 		}
 	}
 	private final Executor connectionStatusExecutor;
 	private final ConnectivityManager connectivityManager;
 	@Nullable
 	private final WifiManager wifiManager;
 	private volatile SocketFactory socketFactory;
 	AndroidLanTcpPlugin(Executor ioExecutor, Context appContext,
 			Backoff backoff, DuplexPluginCallback callback, int maxLatency,
 			int maxIdleTime) {
 		super(ioExecutor, backoff, callback, maxLatency, maxIdleTime);
 		// Don't execute more than one connection status check at a time
 		connectionStatusExecutor =
 				new PoliteExecutor("AndroidLanTcpPlugin", ioExecutor, 1);
 		ConnectivityManager connectivityManager = (ConnectivityManager)
 				appContext.getSystemService(CONNECTIVITY_SERVICE);
 		if (connectivityManager == null) throw new AssertionError();
 		this.connectivityManager = connectivityManager;
 		wifiManager = (WifiManager) appContext.getApplicationContext()
 				.getSystemService(WIFI_SERVICE);
 		socketFactory = SocketFactory.getDefault();
 	}
 	@Override
 	public void start() {
 		if (used.getAndSet(true)) throw new IllegalStateException();
 		running = true;
 		updateConnectionStatus();
 	}
 	@Override
 	public void stop() {
 		running = false;
 		tryToClose(socket);
 	}
 	@Override
 	protected Socket createSocket() throws IOException {
 		return socketFactory.createSocket();
 	}
 	@Override
 	protected Collection<InetAddress> getLocalIpAddresses() {
 		// If the device doesn't have wifi, don't open any sockets
 		if (wifiManager == null) return emptyList();
 		// If we're connected to a wifi network, use that network
 		WifiInfo info = wifiManager.getConnectionInfo();
 		if (info != null && info.getIpAddress() != 0)
 			return singletonList(intToInetAddress(info.getIpAddress()));
 		// If we're running an access point, return its address
 		if (super.getLocalIpAddresses().contains(WIFI_AP_ADDRESS))
 			return singletonList(WIFI_AP_ADDRESS);
 		// No suitable addresses
 		return emptyList();
 	}
 	private InetAddress intToInetAddress(int ip) {
 		byte[] ipBytes = new byte[4];
 		ipBytes[0] = (byte) (ip & 0xFF);
 		ipBytes[1] = (byte) ((ip >> 8) & 0xFF);
 		ipBytes[2] = (byte) ((ip >> 16) & 0xFF);
 		ipBytes[3] = (byte) ((ip >> 24) & 0xFF);
 		try {
 			return InetAddress.getByAddress(ipBytes);
 		} catch (UnknownHostException e) {
 			// Should only be thrown if address has illegal length
 			throw new AssertionError(e);
 		}
 	}
 	// On API 21 and later, a socket that is not created with the wifi
 	// network's socket factory may try to connect via another network
 	private SocketFactory getSocketFactory() {
 		if (SDK_INT < 21) return SocketFactory.getDefault();
 		for (Network net : connectivityManager.getAllNetworks()) {
 			NetworkInfo info = connectivityManager.getNetworkInfo(net);
 			if (info != null && info.getType() == TYPE_WIFI)
 				return net.getSocketFactory();
 		}
 		LOG.warning("Could not find suitable socket factory");
 		return SocketFactory.getDefault();
 	}
 	@Override
 	public void eventOccurred(Event e) {
 		if (e instanceof NetworkStatusEvent) updateConnectionStatus();
 	}
 	private void updateConnectionStatus() {
 		connectionStatusExecutor.execute(() -> {
 			if (!running) return;
 			Collection<InetAddress> addrs = getLocalIpAddresses();
 			if (addrs.contains(WIFI_AP_ADDRESS)) {
 				LOG.info("Providing wifi hotspot");
 				// There's no corresponding Network object and thus no way
 				// to get a suitable socket factory, so we won't be able to
 				// make outgoing connections on API 21+ if another network
 				// has internet access
 				socketFactory = SocketFactory.getDefault();
 				if (socket == null || socket.isClosed()) bind();
 			} else if (addrs.isEmpty()) {
 				LOG.info("Not connected to wifi");
 				socketFactory = SocketFactory.getDefault();
 				tryToClose(socket);
 			} else {
 				LOG.info("Connected to wifi");
 				socketFactory = getSocketFactory();
 				if (socket == null || socket.isClosed()) bind();
 			}
 		});
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPluginFactory.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tcp/AndroidLanTcpPluginFactory.java
@@ -1,62 +0,0 @@
 package org.briarproject.bramble.plugin.tcp;
 import android.content.Context;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 import java.util.concurrent.Executor;
 import javax.annotation.concurrent.Immutable;
 import static org.briarproject.bramble.api.plugin.LanTcpConstants.ID;
@Immutable
@NotNullByDefault
 public class AndroidLanTcpPluginFactory implements DuplexPluginFactory {
 	private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
 	private static final int MAX_IDLE_TIME = 30 * 1000; // 30 seconds
 	private static final int MIN_POLLING_INTERVAL = 60 * 1000; // 1 minute
 	private static final int MAX_POLLING_INTERVAL = 10 * 60 * 1000; // 10 mins
 	private static final double BACKOFF_BASE = 1.2;
 	private final Executor ioExecutor;
 	private final EventBus eventBus;
 	private final BackoffFactory backoffFactory;
 	private final Context appContext;
 	public AndroidLanTcpPluginFactory(Executor ioExecutor, EventBus eventBus,
 			BackoffFactory backoffFactory, Context appContext) {
 		this.ioExecutor = ioExecutor;
 		this.eventBus = eventBus;
 		this.backoffFactory = backoffFactory;
 		this.appContext = appContext;
 	}
 	@Override
 	public TransportId getId() {
 		return ID;
 	}
 	@Override
 	public int getMaxLatency() {
 		return MAX_LATENCY;
 	}
 	@Override
 	public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
 		AndroidLanTcpPlugin plugin = new AndroidLanTcpPlugin(ioExecutor,
 				appContext, backoff, callback, MAX_LATENCY, MAX_IDLE_TIME);
 		eventBus.addListener(plugin);
 		return plugin;
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPlugin.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPlugin.java
@@ -1,88 +0,0 @@
 package org.briarproject.bramble.plugin.tor;
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.PowerManager;
 import org.briarproject.bramble.api.network.NetworkManager;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 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.util.RenewableWakeLock;
 import java.io.IOException;
 import java.util.concurrent.Executor;
 import java.util.concurrent.ScheduledExecutorService;
 import javax.net.SocketFactory;
 import static android.content.Context.MODE_PRIVATE;
 import static android.content.Context.POWER_SERVICE;
 import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
 import static java.util.concurrent.TimeUnit.MINUTES;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
 class AndroidTorPlugin extends TorPlugin {
 	// This tag may prevent Huawei's power manager from killing us
 	private static final String WAKE_LOCK_TAG = "LocationManagerService";
 	private final Context appContext;
 	private final RenewableWakeLock wakeLock;
 	AndroidTorPlugin(Executor ioExecutor, ScheduledExecutorService scheduler,
 			Context appContext, NetworkManager networkManager,
 			LocationUtils locationUtils, SocketFactory torSocketFactory,
 			Clock clock, ResourceProvider resourceProvider,
 			CircumventionProvider circumventionProvider, Backoff backoff,
 			DuplexPluginCallback callback, String architecture, int maxLatency,
 			int maxIdleTime) {
 		super(ioExecutor, networkManager, locationUtils, torSocketFactory,
 				clock, resourceProvider, circumventionProvider, backoff,
 				callback, architecture, maxLatency, maxIdleTime,
 				appContext.getDir("tor", MODE_PRIVATE));
 		this.appContext = appContext;
 		PowerManager pm = (PowerManager)
 				appContext.getSystemService(POWER_SERVICE);
 		assert pm != null;
 		wakeLock = new RenewableWakeLock(pm, scheduler, PARTIAL_WAKE_LOCK,
 				WAKE_LOCK_TAG, 1, MINUTES);
 	}
 	@Override
 	protected int getProcessId() {
 		return android.os.Process.myPid();
 	}
 	@Override
 	protected long getLastUpdateTime() {
 		try {
 			PackageManager pm = appContext.getPackageManager();
 			PackageInfo pi = pm.getPackageInfo(appContext.getPackageName(), 0);
 			return pi.lastUpdateTime;
 		} catch (NameNotFoundException e) {
 			throw new AssertionError(e);
 		}
 	}
 	@Override
 	protected void enableNetwork(boolean enable) throws IOException {
 		if (!running) return;
 		if (enable) wakeLock.acquire();
 		super.enableNetwork(enable);
 		if (!enable) wakeLock.release();
 	}
 	@Override
 	public void stop() {
 		super.stop();
 		wakeLock.release();
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPluginFactory.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPluginFactory.java
@@ -1,112 +0,0 @@
 package org.briarproject.bramble.plugin.tor;
 import android.content.Context;
 import android.os.Build;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.network.NetworkManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.TorConstants;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 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.util.AndroidUtils;
 import java.util.concurrent.Executor;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.logging.Logger;
 import javax.annotation.concurrent.Immutable;
 import javax.net.SocketFactory;
@Immutable
@NotNullByDefault
 public class AndroidTorPluginFactory implements DuplexPluginFactory {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidTorPluginFactory.class.getName());
 	private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
 	private static final int MAX_IDLE_TIME = 30 * 1000; // 30 seconds
 	private static final int MIN_POLLING_INTERVAL = 60 * 1000; // 1 minute
 	private static final int MAX_POLLING_INTERVAL = 10 * 60 * 1000; // 10 mins
 	private static final double BACKOFF_BASE = 1.2;
 	private final Executor ioExecutor;
 	private final ScheduledExecutorService scheduler;
 	private final Context appContext;
 	private final NetworkManager networkManager;
 	private final LocationUtils locationUtils;
 	private final EventBus eventBus;
 	private final SocketFactory torSocketFactory;
 	private final BackoffFactory backoffFactory;
 	private final ResourceProvider resourceProvider;
 	private final CircumventionProvider circumventionProvider;
 	private final Clock clock;
 	public AndroidTorPluginFactory(Executor ioExecutor,
 			ScheduledExecutorService scheduler, Context appContext,
 			NetworkManager networkManager, LocationUtils locationUtils,
 			EventBus eventBus, SocketFactory torSocketFactory,
 			BackoffFactory backoffFactory, ResourceProvider resourceProvider,
 			CircumventionProvider circumventionProvider, Clock clock) {
 		this.ioExecutor = ioExecutor;
 		this.scheduler = scheduler;
 		this.appContext = appContext;
 		this.networkManager = networkManager;
 		this.locationUtils = locationUtils;
 		this.eventBus = eventBus;
 		this.torSocketFactory = torSocketFactory;
 		this.backoffFactory = backoffFactory;
 		this.resourceProvider = resourceProvider;
 		this.circumventionProvider = circumventionProvider;
 		this.clock = clock;
 	}
 	@Override
 	public TransportId getId() {
 		return TorConstants.ID;
 	}
 	@Override
 	public int getMaxLatency() {
 		return MAX_LATENCY;
 	}
 	@Override
 	public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
 		// Check that we have a Tor binary for this architecture
 		String architecture = null;
 		for (String abi : AndroidUtils.getSupportedArchitectures()) {
 			if (abi.startsWith("x86")) {
 				architecture = "x86";
 				break;
 			} else if (abi.startsWith("armeabi")) {
 				architecture = "arm";
 				break;
 			}
 		}
 		if (architecture == null) {
 			LOG.info("Tor is not supported on this architecture");
 			return null;
 		}
 		// Use position-independent executable for SDK >= 16
 		if (Build.VERSION.SDK_INT >= 16) architecture += "_pie";
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
 		AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor, scheduler,
 				appContext, networkManager, locationUtils, torSocketFactory,
 				clock, resourceProvider, circumventionProvider, backoff,
 				callback, architecture, MAX_LATENCY, MAX_IDLE_TIME);
 		eventBus.addListener(plugin);
 		return plugin;
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidResourceProvider.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidResourceProvider.java
@@ -1,32 +0,0 @@
 package org.briarproject.bramble.system;
 import android.app.Application;
 import android.content.Context;
 import android.content.res.Resources;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.system.ResourceProvider;
 import java.io.InputStream;
 import javax.inject.Inject;
@NotNullByDefault
 class AndroidResourceProvider implements ResourceProvider {
 	private final Context appContext;
 	@Inject
 	AndroidResourceProvider(Application app) {
 		this.appContext = app.getApplicationContext();
 	}
 	@Override
 	public InputStream getResourceInputStream(String name, String extension) {
 		Resources res = appContext.getResources();
 		// extension is ignored on Android, resources are retrieved without it
 		int resId =
 				res.getIdentifier(name, "raw", appContext.getPackageName());
 		return res.openRawResource(resId);
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSecureRandomProvider.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSecureRandomProvider.java
@@ -1,97 +0,0 @@
 package org.briarproject.bramble.system;
 import android.app.Application;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.StrictMode;
 import android.provider.Settings;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.List;
 import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 import static android.content.Context.WIFI_SERVICE;
 import static android.provider.Settings.Secure.ANDROID_ID;
@Immutable
@NotNullByDefault
 class AndroidSecureRandomProvider extends LinuxSecureRandomProvider {
 	private static final int SEED_LENGTH = 32;
 	private final Context appContext;
 	@Inject
 	AndroidSecureRandomProvider(Application app) {
 		appContext = app.getApplicationContext();
 	}
 	@Override
 	protected void writeToEntropyPool(DataOutputStream out) throws IOException {
 		super.writeToEntropyPool(out);
 		out.writeInt(android.os.Process.myPid());
 		out.writeInt(android.os.Process.myTid());
 		out.writeInt(android.os.Process.myUid());
 		if (Build.FINGERPRINT != null) out.writeUTF(Build.FINGERPRINT);
 		if (Build.SERIAL != null) out.writeUTF(Build.SERIAL);
 		ContentResolver contentResolver = appContext.getContentResolver();
 		String id = Settings.Secure.getString(contentResolver, ANDROID_ID);
 		if (id != null) out.writeUTF(id);
 		Parcel parcel = Parcel.obtain();
 		WifiManager wm =
 				(WifiManager) appContext.getSystemService(WIFI_SERVICE);
 		List<WifiConfiguration> configs = wm.getConfiguredNetworks();
 		if (configs != null) {
 			for (WifiConfiguration config : configs)
 				parcel.writeParcelable(config, 0);
 		}
 		BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
 		if (bt != null) {
 			for (BluetoothDevice device : bt.getBondedDevices())
 				parcel.writeParcelable(device, 0);
 		}
 		out.write(parcel.marshall());
 		parcel.recycle();
 	}
 	@Override
 	protected void writeSeed() {
 		// Silence strict mode
 		StrictMode.ThreadPolicy tp = StrictMode.allowThreadDiskWrites();
 		super.writeSeed();
 		if (Build.VERSION.SDK_INT >= 16 && Build.VERSION.SDK_INT <= 18)
 			applyOpenSslFix();
 		StrictMode.setThreadPolicy(tp);
 	}
 	// Based on https://android-developers.googleblog.com/2013/08/some-securerandom-thoughts.html
 	private void applyOpenSslFix() {
 		byte[] seed = new LinuxSecureRandomSpi().engineGenerateSeed(
 				SEED_LENGTH);
 		try {
 			// Seed the OpenSSL PRNG
 			Class.forName("org.apache.harmony.xnet.provider.jsse.NativeCrypto")
 					.getMethod("RAND_seed", byte[].class)
 					.invoke(null, seed);
 			// Mix the output of the Linux PRNG into the OpenSSL PRNG
 			int bytesRead = (Integer) Class.forName(
 					"org.apache.harmony.xnet.provider.jsse.NativeCrypto")
 					.getMethod("RAND_load_file", String.class, long.class)
 					.invoke(null, "/dev/urandom", 1024);
 			if (bytesRead != 1024) throw new IOException();
 		} catch (Exception e) {
 			throw new SecurityException(e);
 		}
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSystemModule.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/system/AndroidSystemModule.java
@@ -1,40 +0,0 @@
 package org.briarproject.bramble.system;
 import org.briarproject.bramble.api.system.AndroidExecutor;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
 import org.briarproject.bramble.api.system.SecureRandomProvider;
 import javax.inject.Singleton;
 import dagger.Module;
 import dagger.Provides;
@Module
 public class AndroidSystemModule {
 	@Provides
 	@Singleton
 	SecureRandomProvider provideSecureRandomProvider(
 			AndroidSecureRandomProvider provider) {
 		return provider;
 	}
 	@Provides
 	LocationUtils provideLocationUtils(AndroidLocationUtils locationUtils) {
 		return locationUtils;
 	}
 	@Provides
 	@Singleton
 	AndroidExecutor provideAndroidExecutor(
 			AndroidExecutorImpl androidExecutor) {
 		return androidExecutor;
 	}
 	@Provides
 	@Singleton
 	ResourceProvider provideResourceProvider(AndroidResourceProvider provider) {
 		return provider;
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/util/AndroidUtils.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/util/AndroidUtils.java
@@ -1,63 +0,0 @@
 package org.briarproject.bramble.util;
 import android.annotation.SuppressLint;
 import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
 import android.os.Build;
 import android.provider.Settings;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.logging.Logger;
 import static android.content.Context.MODE_PRIVATE;
 public class AndroidUtils {
 	private static final Logger LOG =
 			Logger.getLogger(AndroidUtils.class.getName());
 	// Fake Bluetooth address returned by BluetoothAdapter on API 23 and later
 	private static final String FAKE_BLUETOOTH_ADDRESS = "02:00:00:00:00:00";
 	private static final String STORED_REPORTS = "dev-reports";
 	@SuppressWarnings("deprecation")
 	public static Collection<String> getSupportedArchitectures() {
 		List<String> abis = new ArrayList<>();
 		if (Build.VERSION.SDK_INT >= 21) {
 			abis.addAll(Arrays.asList(Build.SUPPORTED_ABIS));
 		} else {
 			abis.add(Build.CPU_ABI);
 			if (Build.CPU_ABI2 != null) abis.add(Build.CPU_ABI2);
 		}
 		return abis;
 	}
 	public static String getBluetoothAddress(Context ctx,
 			BluetoothAdapter adapter) {
 		// Return the adapter's address if it's valid and not fake
 		@SuppressLint("HardwareIds")
 		String address = adapter.getAddress();
 		if (isValidBluetoothAddress(address)) return address;
 		// Return the address from settings if it's valid and not fake
 		address = Settings.Secure.getString(ctx.getContentResolver(),
 				"bluetooth_address");
 		if (isValidBluetoothAddress(address)) return address;
 		// Let the caller know we can't find the address
 		return "";
 	}
 	private static boolean isValidBluetoothAddress(String address) {
 		return !StringUtils.isNullOrEmpty(address)
 				&& BluetoothAdapter.checkBluetoothAddress(address)
 				&& !address.equals(FAKE_BLUETOOTH_ADDRESS);
 	}
 	public static File getReportDir(Context ctx) {
 		return ctx.getDir(STORED_REPORTS, MODE_PRIVATE);
 	}
 }
--- a/bramble-android/src/main/java/org/briarproject/bramble/util/RenewableWakeLock.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/util/RenewableWakeLock.java
@@ -1,100 +0,0 @@
 package org.briarproject.bramble.util;
 import android.os.PowerManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Logger;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.ThreadSafe;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static java.util.logging.Level.INFO;
@ThreadSafe
@NotNullByDefault
 public class RenewableWakeLock {
 	private static final Logger LOG =
 			Logger.getLogger(RenewableWakeLock.class.getName());
 	/**
 	 * Automatically release the lock this many milliseconds after it's due
 	 * to have been replaced and released.
 	 */
 	private static final int SAFETY_MARGIN_MS = 10_000;
 	private final PowerManager powerManager;
 	private final ScheduledExecutorService scheduler;
 	private final int levelAndFlags;
 	private final String tag;
 	private final long durationMs;
 	private final Runnable renewTask;
 	private final Object lock = new Object();
 	@Nullable
 	private PowerManager.WakeLock wakeLock; // Locking: lock
 	@Nullable
 	private ScheduledFuture future; // Locking: lock
 	public RenewableWakeLock(PowerManager powerManager,
 			ScheduledExecutorService scheduler, int levelAndFlags, String tag,
 			long duration, TimeUnit timeUnit) {
 		this.powerManager = powerManager;
 		this.scheduler = scheduler;
 		this.levelAndFlags = levelAndFlags;
 		this.tag = tag;
 		durationMs = MILLISECONDS.convert(duration, timeUnit);
 		renewTask = this::renew;
 	}
 	public void acquire() {
 		if (LOG.isLoggable(INFO)) LOG.info("Acquiring wake lock " + tag);
 		synchronized (lock) {
 			if (wakeLock != null) {
 				LOG.info("Already acquired");
 				return;
 			}
 			wakeLock = powerManager.newWakeLock(levelAndFlags, tag);
 			wakeLock.setReferenceCounted(false);
 			wakeLock.acquire(durationMs + SAFETY_MARGIN_MS);
 			future = scheduler.schedule(renewTask, durationMs, MILLISECONDS);
 		}
 	}
 	private void renew() {
 		if (LOG.isLoggable(INFO)) LOG.info("Renewing wake lock " + tag);
 		synchronized (lock) {
 			if (wakeLock == null) {
 				LOG.info("Already released");
 				return;
 			}
 			PowerManager.WakeLock oldWakeLock = wakeLock;
 			wakeLock = powerManager.newWakeLock(levelAndFlags, tag);
 			wakeLock.setReferenceCounted(false);
 			wakeLock.acquire(durationMs + SAFETY_MARGIN_MS);
 			oldWakeLock.release();
 			future = scheduler.schedule(renewTask, durationMs, MILLISECONDS);
 		}
 	}
 	public void release() {
 		if (LOG.isLoggable(INFO)) LOG.info("Releasing wake lock " + tag);
 		synchronized (lock) {
 			if (wakeLock == null) {
 				LOG.info("Already released");
 				return;
 			}
 			if (future == null) throw new AssertionError();
 			future.cancel(false);
 			future = null;
 			wakeLock.release();
 			wakeLock = null;
 		}
 	}
 }
--- a/bramble-android/src/main/res/values/strings.xml
+++ b/bramble-android/src/main/res/values/strings.xml
@@ -1,3 +0,0 @@
 <resources>
 	<string name="app_name">Bramble</string>
 </resources>
--- a/bramble-android/src/test/java/org/briarproject/bramble/account/AndroidAccountManagerTest.java
+++ b/bramble-android/src/test/java/org/briarproject/bramble/account/AndroidAccountManagerTest.java
@@ -1,162 +0,0 @@
 package org.briarproject.bramble.account;
 import android.app.Application;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
 import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.db.DatabaseConfig;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.jmock.Expectations;
 import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import java.io.File;
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
 import static org.briarproject.bramble.test.TestUtils.getRandomBytes;
 import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
 import static org.briarproject.bramble.util.StringUtils.toHexString;
 public class AndroidAccountManagerTest extends BrambleMockTestCase {
 	private final SharedPreferences prefs =
 			context.mock(SharedPreferences.class, "prefs");
 	private final SharedPreferences defaultPrefs =
 			context.mock(SharedPreferences.class, "defaultPrefs");
 	private final DatabaseConfig databaseConfig =
 			context.mock(DatabaseConfig.class);
 	private final CryptoComponent crypto = context.mock(CryptoComponent.class);
 	private final IdentityManager identityManager =
 			context.mock(IdentityManager.class);
 	private final SharedPreferences.Editor
 			editor = context.mock(SharedPreferences.Editor.class);
 	private final Application app;
 	private final ApplicationInfo applicationInfo;
 	private final String encryptedKeyHex = toHexString(getRandomBytes(123));
 	private final File testDir = getTestDirectory();
 	private final File keyDir = new File(testDir, "key");
 	private final File keyFile = new File(keyDir, "db.key");
 	private final File keyBackupFile = new File(keyDir, "db.key.bak");
 	private final File dbDir = new File(testDir, "db");
 	private AndroidAccountManager accountManager;
 	public AndroidAccountManagerTest() {
 		context.setImposteriser(ClassImposteriser.INSTANCE);
 		app = context.mock(Application.class);
 		applicationInfo = new ApplicationInfo();
 		applicationInfo.dataDir = testDir.getAbsolutePath();
 	}
 	@Before
 	public void setUp() {
 		context.checking(new Expectations() {{
 			allowing(databaseConfig).getDatabaseDirectory();
 			will(returnValue(dbDir));
 			allowing(databaseConfig).getDatabaseKeyDirectory();
 			will(returnValue(keyDir));
 			allowing(app).getApplicationContext();
 			will(returnValue(app));
 		}});
 		accountManager = new AndroidAccountManager(databaseConfig, crypto,
 				identityManager, prefs, app) {
 			@Override
 			SharedPreferences getDefaultSharedPreferences() {
 				return defaultPrefs;
 			}
 		};
 	}
 	@Test
 	public void testDbKeyIsMigratedFromPreferencesToFile() {
 		context.checking(new Expectations() {{
 			oneOf(prefs).getString("key", null);
 			will(returnValue(encryptedKeyHex));
 			oneOf(prefs).edit();
 			will(returnValue(editor));
 			oneOf(editor).remove("key");
 			will(returnValue(editor));
 			oneOf(editor).commit();
 			will(returnValue(true));
 		}});
 		assertFalse(keyFile.exists());
 		assertFalse(keyBackupFile.exists());
 		assertEquals(encryptedKeyHex,
 				accountManager.loadEncryptedDatabaseKey());
 		assertTrue(keyFile.exists());
 		assertTrue(keyBackupFile.exists());
 	}
 	@Test
 	public void testDeleteAccountClearsSharedPrefsAndDeletesFiles()
 			throws Exception {
 		// Directories 'lib' and 'shared_prefs' should be spared
 		File libDir = new File(testDir, "lib");
 		File libFile = new File(libDir, "file");
 		File sharedPrefsDir = new File(testDir, "shared_prefs");
 		File sharedPrefsFile = new File(sharedPrefsDir, "file");
 		// Directory 'cache' should be emptied
 		File cacheDir = new File(testDir, "cache");
 		File cacheFile = new File(cacheDir, "file");
 		// Other directories should be deleted
 		File potatoDir = new File(testDir, ".potato");
 		File potatoFile = new File(potatoDir, "file");
 		context.checking(new Expectations() {{
 			oneOf(prefs).edit();
 			will(returnValue(editor));
 			oneOf(editor).clear();
 			will(returnValue(editor));
 			oneOf(editor).commit();
 			will(returnValue(true));
 			oneOf(defaultPrefs).edit();
 			will(returnValue(editor));
 			oneOf(editor).clear();
 			will(returnValue(editor));
 			oneOf(editor).commit();
 			will(returnValue(true));
 			oneOf(app).getApplicationInfo();
 			will(returnValue(applicationInfo));
 		}});
 		assertTrue(dbDir.mkdirs());
 		assertTrue(keyDir.mkdirs());
 		assertTrue(libDir.mkdirs());
 		assertTrue(libFile.createNewFile());
 		assertTrue(sharedPrefsDir.mkdirs());
 		assertTrue(sharedPrefsFile.createNewFile());
 		assertTrue(cacheDir.mkdirs());
 		assertTrue(cacheFile.createNewFile());
 		assertTrue(potatoDir.mkdirs());
 		assertTrue(potatoFile.createNewFile());
 		accountManager.deleteAccount();
 		assertFalse(dbDir.exists());
 		assertFalse(keyDir.exists());
 		assertTrue(libDir.exists());
 		assertTrue(libFile.exists());
 		assertTrue(sharedPrefsDir.exists());
 		assertTrue(sharedPrefsFile.exists());
 		assertTrue(cacheDir.exists());
 		assertFalse(cacheFile.exists());
 		assertFalse(potatoDir.exists());
 		assertFalse(potatoFile.exists());
 	}
 	@After
 	public void tearDown() {
 		deleteTestDirectory(testDir);
 	}
 }
--- a/bramble-android/witness.gradle
+++ b/bramble-android/witness.gradle
@@ -1,94 +0,0 @@
 dependencyVerification {
    verify = [
        'cglib:cglib:3.2.0:cglib-3.2.0.jar:adb13bab79712ad6bdf1bd59f2a3918018a8016e722e8a357065afb9e6690861',
        'com.android.tools.analytics-library:protos:26.2.1:protos-26.2.1.jar:2f371f5b1f551e85ab08be4d6a2873471b3d44afd1ebf6aa3298f3b796bf691f',
        'com.android.tools.analytics-library:shared:26.2.1:shared-26.2.1.jar:4c1e4e705fa4d45f23aaea230557f6508155012d9c296337787c1d7b26a97f5a',
        'com.android.tools.analytics-library:tracker:26.2.1:tracker-26.2.1.jar:4a624ecc976539f755ddb0bb8dfc2dd3d08326cfec59a098dbd70f701ca7fb75',
        'com.android.tools.build:aapt2:3.2.1-4818971:aapt2-3.2.1-4818971-linux.jar:f431b6f96c91a2c155144b091a9c97d9805c589fe8efc9c930b6cd346cb60a1e',
        'com.android.tools.build:apksig:3.2.1:apksig-3.2.1.jar:2b46f2feffea66037aab29e4261b2433c190194a6ef97b958511eb157f2ccba5',
        'com.android.tools.build:apkzlib:3.2.1:apkzlib-3.2.1.jar:c39ad0313905932431fe81c8899c2cf39a4d92ad6c4edcaa4b25432f461452aa',
        'com.android.tools.build:builder-model:3.2.1:builder-model-3.2.1.jar:a9f68e6abcec122f9cb5ad352d3f05a3eb03acbcdca95e4d25c16310c2c965ff',
        'com.android.tools.build:builder-test-api:3.2.1:builder-test-api-3.2.1.jar:533ac6c2b5884bb54967a33791f2628dfdfac7981af39417a333b43d4379b6be',
        'com.android.tools.build:builder:3.2.1:builder-3.2.1.jar:aedcbfd115dbe91d09b4113e66ef50589b558d0aa3b2f133b1d867c9b87fae83',
        'com.android.tools.build:gradle-api:3.2.1:gradle-api-3.2.1.jar:57cf0ac5ac1dca8afdb3f62b94265e776e7dcfa641cc3844fb53a05193de208d',
        'com.android.tools.build:manifest-merger:26.2.1:manifest-merger-26.2.1.jar:8830573263361035d38cfdcb51e2db94029c93865b21334f5fbf8a27984281a6',
        'com.android.tools.ddms:ddmlib:26.2.1:ddmlib-26.2.1.jar:a4bf0a29a19980bf27269465cc782064656750b77c26728f82f9e148b705218b',
        'com.android.tools.external.com-intellij:intellij-core:26.2.1:intellij-core-26.2.1.jar:4925ad1892c2687cb1a63427d440ef519c8c59215fefe0dc5d541d5d411fcafe',
        'com.android.tools.external.com-intellij:kotlin-compiler:26.2.1:kotlin-compiler-26.2.1.jar:daa064fd708f340ee25fb9823c4c74104ac77f1370b76d907eb9ae6daec0a2ae',
        'com.android.tools.external.org-jetbrains:uast:26.2.1:uast-26.2.1.jar:f10f7258d2ab9189562cc0f9ad838c0378fdba439229173390a99de02ebac75b',
        'com.android.tools.layoutlib:layoutlib-api:26.2.1:layoutlib-api-26.2.1.jar:ddbf4fca123733fa011595b1cc1f4ac2937ed327b60990711fafc33c775c2ade',
        'com.android.tools.lint:lint-api:26.2.1:lint-api-26.2.1.jar:3b57e739de567b98bc9ab56c2c0ee66fc026b4adf5843e8f9804ca0666a6f66e',
        'com.android.tools.lint:lint-checks:26.2.1:lint-checks-26.2.1.jar:c86f4cc9aaee722ee4ad70062f7b5af91e9b041914af27adc09f545ab0fb3bc6',
        'com.android.tools.lint:lint-gradle-api:26.2.1:lint-gradle-api-26.2.1.jar:2283e7af32e301565f2a797e531f0fc8c648077d457afb3ffdddbee638976c2f',
        'com.android.tools.lint:lint-gradle:26.2.1:lint-gradle-26.2.1.jar:8fd90b2f3ec788cbb9801c07ab3e1ea2255aa31a6093157d7ea0ff13d0315ecb',
        'com.android.tools.lint:lint-kotlin:26.2.1:lint-kotlin-26.2.1.jar:7a6a5d2b18f69cf1b900d857c2632b4c683713c533295933b8b759f8cab4a877',
        'com.android.tools.lint:lint:26.2.1:lint-26.2.1.jar:7848b82ae988b90dee259ae7c7e86e05cbf52db6cd21c8bbd38ce7df08f3f8c5',
        'com.android.tools:annotations:26.2.1:annotations-26.2.1.jar:7391c6a1e080174b96e64ceb078dadd31ce4d8a2d2fee0ec65be202126f90f24',
        'com.android.tools:common:26.2.1:common-26.2.1.jar:a50aab2d6411ff68f4004a87c7e93d87d8e980a0ec3b352246549897ea2d78e5',
        'com.android.tools:dvlib:26.2.1:dvlib-26.2.1.jar:72a83bf2839b1df9b1fbf67ba45d1bfb9f966cd774da4320c762b2be8f1688aa',
        'com.android.tools:repository:26.2.1:repository-26.2.1.jar:fa74dae09103faef703df38550ad8fa244c5b6d1bf90d6198be932292b3d9cc1',
        'com.android.tools:sdk-common:26.2.1:sdk-common-26.2.1.jar:759d4b292ca69a35cf961fca377b54158fc6c88108978006999442e80a011cf4',
        'com.android.tools:sdklib:26.2.1:sdklib-26.2.1.jar:248df7ad5eac4aeb6f96c394c76760de4b7b89ac056e54d0c21a739368b91b45',
        'com.google.code.findbugs:jsr305:1.3.9:jsr305-1.3.9.jar:905721a0eea90a81534abb7ee6ef4ea2e5e645fa1def0a5cd88402df1b46c9ed',
        'com.google.code.gson:gson:2.8.0:gson-2.8.0.jar:c6221763bd79c4f1c3dc7f750b5f29a0bb38b367b81314c4f71896e340c40825',
        'com.google.dagger:dagger-compiler:2.0.2:dagger-compiler-2.0.2.jar:b74bc9de063dd4c6400b232231f2ef5056145b8fbecbf5382012007dd1c071b3',
        'com.google.dagger:dagger-producers:2.0-beta:dagger-producers-2.0-beta.jar:99ec15e8a0507ba569e7655bc1165ee5e5ca5aa914b3c8f7e2c2458f724edd6b',
        'com.google.dagger:dagger:2.0.2:dagger-2.0.2.jar:84c0282ed8be73a29e0475d639da030b55dee72369e58dd35ae7d4fe6243dcf9',
        'com.google.errorprone:error_prone_annotations:2.0.18:error_prone_annotations-2.0.18.jar:cb4cfad870bf563a07199f3ebea5763f0dec440fcda0b318640b1feaa788656b',
        'com.google.guava:guava:18.0:guava-18.0.jar:d664fbfc03d2e5ce9cab2a44fb01f1d0bf9dfebeccc1a473b1f9ea31f79f6f99',
        'com.google.guava:guava:23.0:guava-23.0.jar:7baa80df284117e5b945b19b98d367a85ea7b7801bd358ff657946c3bd1b6596',
        'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:40ceb7157feb263949e0f503fe5f71689333a621021aa20ce0d0acee3badaa0f',
        'com.google.jimfs:jimfs:1.1:jimfs-1.1.jar:c4828e28d7c0a930af9387510b3bada7daa5c04d7c25a75c7b8b081f1c257ddd',
        'com.google.protobuf:protobuf-java:3.4.0:protobuf-java-3.4.0.jar:dce7e66b32456a1b1198da0caff3a8acb71548658391e798c79369241e6490a4',
        'com.googlecode.json-simple:json-simple:1.1:json-simple-1.1.jar:2d9484f4c649f708f47f9a479465fc729770ee65617dca3011836602264f6439',
        '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:2.21:istack-commons-runtime-2.21.jar:c33e67a0807095f02a0e2da139412dd7c4f9cc1a4c054b3e434f96831ba950f4',
        'com.sun.xml.fastinfoset:FastInfoset:1.2.13:FastInfoset-1.2.13.jar:27a77db909f3c2833c0b1a37c55af1db06045118ad2eed96ce567b6632bce038',
        'commons-codec:commons-codec:1.9:commons-codec-1.9.jar:ad19d2601c3abf0b946b5c3a4113e226a8c1e3305e395b90013b78dd94a723ce',
        'commons-logging:commons-logging:1.2:commons-logging-1.2.jar:daddea1ea0be0f56978ab3006b8ac92834afeefbd9b7e4e6316fca57df0fa636',
        'it.unimi.dsi:fastutil:7.2.0:fastutil-7.2.0.jar:74fa208043740642f7e6eb09faba15965218ad2f50ce3020efb100136e4b591c',
        'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
        'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
        'javax.xml.bind:jaxb-api:2.2.12-b140109.1041:jaxb-api-2.2.12-b140109.1041.jar:b5e60cd8b7b5ff01ce4a74c5dd008f4fbd14ced3495d0b47b85cfedc182211f2',
        'junit:junit:4.12:junit-4.12.jar:59721f0805e223d84b90677887d9ff567dc534d7c502ca903c0c2b17f05c116a',
        '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.ant:ant-launcher:1.9.4:ant-launcher-1.9.4.jar:7bccea20b41801ca17bcbc909a78c835d0f443f12d639c77bd6ae3d05861608d',
        'org.apache.ant:ant:1.9.4:ant-1.9.4.jar:649ae0730251de07b8913f49286d46bba7b92d47c5f332610aa426c4f02161d8',
        'org.apache.commons:commons-compress:1.12:commons-compress-1.12.jar:2c1542faf343185b7cab9c3d55c8ae5471d6d095d3887a4adefdbdf2984dc0b6',
        'org.apache.httpcomponents:httpclient:4.5.2:httpclient-4.5.2.jar:0dffc621400d6c632f55787d996b8aeca36b30746a716e079a985f24d8074057',
        'org.apache.httpcomponents:httpcore:4.4.5:httpcore-4.4.5.jar:64d5453874cab7e40a7065cb01a9a9ca1053845a9786b478878b679e0580cec3',
        'org.apache.httpcomponents:httpmime:4.5.2:httpmime-4.5.2.jar:231a3f7e4962053db2be8461d5422e68fc458a3a7dd7d8ada803a348e21f8f07',
        'org.beanshell:bsh:1.3.0:bsh-1.3.0.jar:9b04edc75d19db54f1b4e8b5355e9364384c6cf71eb0a1b9724c159d779879f8',
        '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:tor-android:0.3.4.8:tor-android-0.3.4.8.zip:989a0352d9d8d8172cd6c2137654e165e5d2beb10ed1211bab3814e224ad1926',
        'org.codehaus.groovy:groovy-all:2.4.12:groovy-all-2.4.12.jar:6a56af4bd48903d56bec62821876cadefafd007360cc6bd0d8f7aa8d72b38be4',
        'org.codehaus.mojo:animal-sniffer-annotations:1.14:animal-sniffer-annotations-1.14.jar:2068320bd6bad744c3673ab048f67e30bef8f518996fa380033556600669905d',
        'org.glassfish.jaxb:jaxb-core:2.2.11:jaxb-core-2.2.11.jar:37bcaee8ebb04362c8352a5bf6221b86967ecdab5164c696b10b9a2bb587b2aa',
        'org.glassfish.jaxb:jaxb-runtime:2.2.11:jaxb-runtime-2.2.11.jar:a874f2351cfba8e2946be3002d10c18a6da8f21b52ba2acf52f2b85d5520ed70',
        'org.glassfish.jaxb:txw2:2.2.11:txw2-2.2.11.jar:272a3ccad45a4511351920cd2a8633c53cab8d5220c7a92954da5526bb5eafea',
        'org.hamcrest:hamcrest-core:1.3:hamcrest-core-1.3.jar:66fdef91e9739348df7a096aa384a5685f4e875584cce89386a7a47251c4d8e9',
        'org.hamcrest:hamcrest-library:1.3:hamcrest-library-1.3.jar:711d64522f9ec410983bd310934296da134be4254a125080a0416ec178dfad1c',
        'org.jetbrains.kotlin:kotlin-reflect:1.2.0:kotlin-reflect-1.2.0.jar:4f48a872bad6e4d9c053f4ad610d11e4012ad7e58dc19a03dd5eb811f36069dd',
        'org.jetbrains.kotlin:kotlin-stdlib-common:1.2.71:kotlin-stdlib-common-1.2.71.jar:63999687ff2fce8a592dd180ffbbf8f1d21c26b4044c55cdc74ff3cf3b3cf328',
        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.71:kotlin-stdlib-jdk7-1.2.71.jar:b136bd61b240e07d4d92ce00d3bd1dbf584400a7bf5f220c2f3cd22446858082',
        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.71:kotlin-stdlib-jdk8-1.2.71.jar:ac3c8abf47790b64b4f7e2509a53f0c145e061ac1612a597520535d199946ea9',
        'org.jetbrains.kotlin:kotlin-stdlib:1.2.71:kotlin-stdlib-1.2.71.jar:4c895c270b87f5fec2a2796e1d89c15407ee821de961527c28588bb46afbc68b',
        'org.jetbrains.trove4j:trove4j:20160824:trove4j-20160824.jar:1917871c8deb468307a584680c87a44572f5a8b0b98c6d397fc0f5f86596dbe7',
        'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
        'org.jmock:jmock-junit4:2.8.2:jmock-junit4-2.8.2.jar:f7ee4df4f7bd7b7f1cafad3b99eb74d579f109d5992ff625347352edb55e674c',
        'org.jmock:jmock-legacy:2.8.2:jmock-legacy-2.8.2.jar:f2b985a5c08a9edb7f37612330c058809da3f6a6d63ce792426ebf8ff0d6d31b',
        'org.jmock:jmock-testjar:2.8.2:jmock-testjar-2.8.2.jar:8900860f72c474e027cf97fe78dcbf154a1aa7fc62b6845c5fb4e4f3c7bc8760',
        'org.jmock:jmock:2.8.2:jmock-2.8.2.jar:6c73cb4a2e6dbfb61fd99c9a768539c170ab6568e57846bd60dbf19596b65b16',
        'org.jvnet.staxex:stax-ex:1.7.7:stax-ex-1.7.7.jar:a31ff7d77163c0deb09e7fee59ad35ae44c2cee2cc8552a116ccd1583d813fb4',
        'org.objenesis:objenesis:2.1:objenesis-2.1.jar:c74330cc6b806c804fd37e74487b4fe5d7c2750c5e15fbc6efa13bdee1bdef80',
        'org.ow2.asm:asm-analysis:6.0:asm-analysis-6.0.jar:2f1a6387219c3a6cc4856481f221b03bd9f2408a326d416af09af5d6f608c1f4',
        'org.ow2.asm:asm-commons:6.0:asm-commons-6.0.jar:f1bce5c648a96a017bdcd01fe5d59af9845297fd7b79b81c015a6fbbd9719abf',
        'org.ow2.asm:asm-tree:6.0:asm-tree-6.0.jar:887998fb69727c8759e4d253f856822801e33f9fd4caa566b3ac58ee92106215',
        'org.ow2.asm:asm-util:6.0:asm-util-6.0.jar:356afebdb0f870175262e5188f8709a3b17aa2a5a6a4b0340b04d4b449bca5f6',
        'org.ow2.asm:asm:5.0.4:asm-5.0.4.jar:896618ed8ae62702521a78bc7be42b7c491a08e6920a15f89a3ecdec31e9a220',
        'org.ow2.asm:asm:6.0:asm-6.0.jar:dd8971c74a4e697899a8e95caae4ea8760ea6c486dc6b97b1795e75760420461',
    ]
 }
--- a/bramble-api/build.gradle
+++ b/bramble-api/build.gradle
@@ -1,33 +0,0 @@
 apply plugin: 'java-library'
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 apply plugin: 'ru.vyarus.animalsniffer'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 dependencies {
 	implementation "com.google.dagger:dagger:2.0.2"
 	implementation 'com.google.code.findbugs:jsr305:3.0.2'
 	testImplementation 'junit:junit:4.12'
 	testImplementation "org.jmock:jmock:2.8.2"
 	testImplementation "org.jmock:jmock-junit4:2.8.2"
 	testImplementation "org.jmock:jmock-legacy:2.8.2"
 	testImplementation "org.hamcrest:hamcrest-library:1.3"
 	testImplementation "org.hamcrest:hamcrest-core:1.3"
 	signature 'org.codehaus.mojo.signature:java16:1.1@signature'
 }
 // needed to make test output available to bramble-core and briar-core
 configurations {
 	testOutput.extendsFrom(testCompile)
 }
 task jarTest(type: Jar, dependsOn: testClasses) {
 	from sourceSets.test.output
 	classifier = 'test'
 }
 artifacts {
 	testOutput jarTest
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/FormatException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/FormatException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api;
 import java.io.IOException;
 /**
 * An exception that indicates an unrecoverable formatting error.
 */
 public class FormatException extends IOException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/Multiset.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/Multiset.java
@@ -1,101 +0,0 @@
 package org.briarproject.bramble.api;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.NoSuchElementException;
 import java.util.Set;
 import javax.annotation.concurrent.NotThreadSafe;
@NotThreadSafe
@NotNullByDefault
 public class Multiset<T> {
 	private final Map<T, Integer> map = new HashMap<>();
 	private int total = 0;
 	/**
 	 * Returns how many items the multiset contains in total.
 	 */
 	public int getTotal() {
 		return total;
 	}
 	/**
 	 * Returns how many unique items the multiset contains.
 	 */
 	public int getUnique() {
 		return map.size();
 	}
 	/**
 	 * Returns how many of the given item the multiset contains.
 	 */
 	public int getCount(T t) {
 		Integer count = map.get(t);
 		return count == null ? 0 : count;
 	}
 	/**
 	 * Adds the given item to the multiset and returns how many of the item
 	 * the multiset now contains.
 	 */
 	public int add(T t) {
 		Integer count = map.get(t);
 		if (count == null) count = 0;
 		map.put(t, count + 1);
 		total++;
 		return count + 1;
 	}
 	/**
 	 * Removes the given item from the multiset and returns how many of the
 	 * item the multiset now contains.
 	 * @throws NoSuchElementException if the item is not in the multiset.
 	 */
 	public int remove(T t) {
 		Integer count = map.get(t);
 		if (count == null) throw new NoSuchElementException();
 		if (count == 1) map.remove(t);
 		else map.put(t, count - 1);
 		total--;
 		return count - 1;
 	}
 	/**
 	 * Removes all occurrences of the given item from the multiset.
 	 */
 	public int removeAll(T t) {
 		Integer count = map.remove(t);
 		if (count == null) return 0;
 		total -= count;
 		return count;
 	}
 	/**
 	 * Returns true if the multiset contains any occurrences of the given item.
 	 */
 	public boolean contains(T t) {
 		return map.containsKey(t);
 	}
 	/**
 	 * Removes all items from the multiset.
 	 */
 	public void clear() {
 		map.clear();
 		total = 0;
 	}
 	/**
 	 * Returns the set of unique items the multiset contains. The returned set
 	 * is unmodifiable.
 	 */
 	public Set<T> keySet() {
 		return Collections.unmodifiableSet(map.keySet());
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/Nameable.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/Nameable.java
@@ -1,10 +0,0 @@
 package org.briarproject.bramble.api;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
 public interface Nameable {
 	String getName();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/StringMap.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/StringMap.java
@@ -1,55 +0,0 @@
 package org.briarproject.bramble.api;
 import java.util.Hashtable;
 import java.util.Map;
 public abstract class StringMap extends Hashtable<String, String> {
 	protected StringMap(Map<String, String> m) {
 		super(m);
 	}
 	protected StringMap() {
 		super();
 	}
 	public boolean getBoolean(String key, boolean defaultValue) {
 		String s = get(key);
 		if (s == null) return defaultValue;
 		if ("true".equals(s)) return true;
 		if ("false".equals(s)) return false;
 		return defaultValue;
 	}
 	public void putBoolean(String key, boolean value) {
 		put(key, String.valueOf(value));
 	}
 	public int getInt(String key, int defaultValue) {
 		String s = get(key);
 		if (s == null) return defaultValue;
 		try {
 			return Integer.valueOf(s);
 		} catch (NumberFormatException e) {
 			return defaultValue;
 		}
 	}
 	public void putInt(String key, int value) {
 		put(key, String.valueOf(value));
 	}
 	public long getLong(String key, long defaultValue) {
 		String s = get(key);
 		if (s == null) return defaultValue;
 		try {
 			return Long.valueOf(s);
 		} catch (NumberFormatException e) {
 			return defaultValue;
 		}
 	}
 	public void putLong(String key, long value) {
 		put(key, String.valueOf(value));
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/UniqueId.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/UniqueId.java
@@ -1,20 +0,0 @@
 package org.briarproject.bramble.api;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.ThreadSafe;
@ThreadSafe
@NotNullByDefault
 public abstract class UniqueId extends Bytes {
 	/**
 	 * The length of a unique identifier in bytes.
 	 */
 	public static final int LENGTH = 32;
 	protected UniqueId(byte[] id) {
 		super(id);
 		if (id.length != LENGTH) throw new IllegalArgumentException();
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/account/AccountManager.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/account/AccountManager.java
@@ -1,70 +0,0 @@
 package org.briarproject.bramble.api.account;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.Nullable;
@NotNullByDefault
 public interface AccountManager {
 	/**
 	 * Returns true if the manager has the database key. This will be false
 	 * before {@link #createAccount(String, String)} or {@link #signIn(String)}
 	 * has been called, and true after {@link #createAccount(String, String)}
 	 * or {@link #signIn(String)} has returned true, until the process exits.
 	 */
 	boolean hasDatabaseKey();
 	/**
 	 * Returns the database key if the manager has it. This will be null
 	 * before {@link #createAccount(String, String)} or {@link #signIn(String)}
 	 * has been called, and non-null after
 	 * {@link #createAccount(String, String)} or {@link #signIn(String)} has
 	 * returned true, until the process exits.
 	 */
 	@Nullable
 	SecretKey getDatabaseKey();
 	/**
 	 * Returns true if the encrypted database key can be loaded from disk, and
 	 * the database directory exists and is a directory.
 	 */
 	boolean accountExists();
 	/**
 	 * Creates an identity with the given name and registers it with the
 	 * {@link IdentityManager}. Creates a database key, encrypts it with the
 	 * given password and stores it on disk.
 	 * <p/>
 	 * This method does not create the database directory, so
 	 * {@link #accountExists()} will continue to return false until the
 	 * database directory is created.
 	 */
 	boolean createAccount(String name, String password);
 	/**
 	 * Deletes all account state from disk. {@link #accountExists()} will
 	 * return false after this method returns.
 	 */
 	void deleteAccount();
 	/**
 	 * Loads the encrypted database key from disk and decrypts it with the
 	 * given password.
 	 *
 	 * @return true if the database key was successfully loaded and decrypted.
 	 */
 	boolean signIn(String password);
 	/**
 	 * Loads the encrypted database key from disk, decrypts it with the old
 	 * password, encrypts it with the new password, and stores it on disk,
 	 * replacing the old key.
 	 *
 	 * @return true if the database key was successfully loaded, re-encrypted
 	 * and stored.
 	 */
 	boolean changePassword(String oldPassword, String newPassword);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/client/BdfMessageContext.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/client/BdfMessageContext.java
@@ -1,36 +0,0 @@
 package org.briarproject.bramble.api.client;
 import org.briarproject.bramble.api.data.BdfDictionary;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.sync.MessageId;
 import java.util.Collection;
 import java.util.Collections;
 import javax.annotation.concurrent.Immutable;
@Immutable
@NotNullByDefault
 public class BdfMessageContext {
 	private final BdfDictionary dictionary;
 	private final Collection<MessageId> dependencies;
 	public BdfMessageContext(BdfDictionary dictionary,
 			Collection<MessageId> dependencies) {
 		this.dictionary = dictionary;
 		this.dependencies = dependencies;
 	}
 	public BdfMessageContext(BdfDictionary dictionary) {
 		this(dictionary, Collections.emptyList());
 	}
 	public BdfDictionary getDictionary() {
 		return dictionary;
 	}
 	public Collection<MessageId> getDependencies() {
 		return dependencies;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/client/BdfMessageValidator.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/client/BdfMessageValidator.java
@@ -1,60 +0,0 @@
 package org.briarproject.bramble.api.client;
 import org.briarproject.bramble.api.FormatException;
 import org.briarproject.bramble.api.data.BdfList;
 import org.briarproject.bramble.api.data.MetadataEncoder;
 import org.briarproject.bramble.api.db.Metadata;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.sync.Group;
 import org.briarproject.bramble.api.sync.InvalidMessageException;
 import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageContext;
 import org.briarproject.bramble.api.sync.ValidationManager.MessageValidator;
 import org.briarproject.bramble.api.system.Clock;
 import java.util.logging.Logger;
 import javax.annotation.concurrent.Immutable;
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
@Immutable
@NotNullByDefault
 public abstract class BdfMessageValidator implements MessageValidator {
 	protected static final Logger LOG =
 			Logger.getLogger(BdfMessageValidator.class.getName());
 	protected final ClientHelper clientHelper;
 	protected final MetadataEncoder metadataEncoder;
 	protected final Clock clock;
 	protected BdfMessageValidator(ClientHelper clientHelper,
 			MetadataEncoder metadataEncoder, Clock clock) {
 		this.clientHelper = clientHelper;
 		this.metadataEncoder = metadataEncoder;
 		this.clock = clock;
 	}
 	protected abstract BdfMessageContext validateMessage(Message m, Group g,
 			BdfList body) throws InvalidMessageException, FormatException;
 	@Override
 	public MessageContext validateMessage(Message m, Group g)
 			throws InvalidMessageException {
 		// Reject the message if it's too far in the future
 		long now = clock.currentTimeMillis();
 		if (m.getTimestamp() - now > MAX_CLOCK_DIFFERENCE) {
 			throw new InvalidMessageException(
 					"Timestamp is too far in the future");
 		}
 		try {
 			BdfList bodyList = clientHelper.toList(m.getBody());
 			BdfMessageContext result = validateMessage(m, g, bodyList);
 			Metadata meta = metadataEncoder.encode(result.getDictionary());
 			return new MessageContext(meta, result.getDependencies());
 		} catch (FormatException e) {
 			throw new InvalidMessageException(e);
 		}
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/client/ClientHelper.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/client/ClientHelper.java
@@ -1,113 +0,0 @@
 package org.briarproject.bramble.api.client;
 import org.briarproject.bramble.api.FormatException;
 import org.briarproject.bramble.api.data.BdfDictionary;
 import org.briarproject.bramble.api.data.BdfList;
 import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.db.Transaction;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.properties.TransportProperties;
 import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageId;
 import java.security.GeneralSecurityException;
 import java.util.Map;
@NotNullByDefault
 public interface ClientHelper {
 	void addLocalMessage(Message m, BdfDictionary metadata, boolean shared)
 			throws DbException, FormatException;
 	void addLocalMessage(Transaction txn, Message m, BdfDictionary metadata,
 			boolean shared) throws DbException, FormatException;
 	Message createMessage(GroupId g, long timestamp, BdfList body)
 			throws FormatException;
 	Message createMessageForStoringMetadata(GroupId g);
 	Message getMessage(MessageId m) throws DbException;
 	Message getMessage(Transaction txn, MessageId m) throws DbException;
 	BdfList getMessageAsList(MessageId m) throws DbException, FormatException;
 	BdfList getMessageAsList(Transaction txn, MessageId m) throws DbException,
 			FormatException;
 	BdfDictionary getGroupMetadataAsDictionary(GroupId g) throws DbException,
 			FormatException;
 	BdfDictionary getGroupMetadataAsDictionary(Transaction txn, GroupId g)
 			throws DbException, FormatException;
 	BdfDictionary getMessageMetadataAsDictionary(MessageId m)
 			throws DbException,
 			FormatException;
 	BdfDictionary getMessageMetadataAsDictionary(Transaction txn, MessageId m)
 			throws DbException, FormatException;
 	Map<MessageId, BdfDictionary> getMessageMetadataAsDictionary(GroupId g)
 			throws DbException, FormatException;
 	Map<MessageId, BdfDictionary> getMessageMetadataAsDictionary(
 			Transaction txn, GroupId g) throws DbException, FormatException;
 	Map<MessageId, BdfDictionary> getMessageMetadataAsDictionary(GroupId g,
 			BdfDictionary query) throws DbException, FormatException;
 	Map<MessageId, BdfDictionary> getMessageMetadataAsDictionary(
 			Transaction txn, GroupId g, BdfDictionary query) throws DbException,
 			FormatException;
 	void mergeGroupMetadata(GroupId g, BdfDictionary metadata)
 			throws DbException, FormatException;
 	void mergeGroupMetadata(Transaction txn, GroupId g, BdfDictionary metadata)
 			throws DbException, FormatException;
 	void mergeMessageMetadata(MessageId m, BdfDictionary metadata)
 			throws DbException, FormatException;
 	void mergeMessageMetadata(Transaction txn, MessageId m,
 			BdfDictionary metadata) throws DbException, FormatException;
 	byte[] toByteArray(BdfDictionary dictionary) throws FormatException;
 	byte[] toByteArray(BdfList list) throws FormatException;
 	BdfDictionary toDictionary(byte[] b, int off, int len)
 			throws FormatException;
 	BdfDictionary toDictionary(TransportProperties transportProperties);
 	BdfDictionary toDictionary(Map<TransportId, TransportProperties> map);
 	BdfList toList(byte[] b, int off, int len) throws FormatException;
 	BdfList toList(byte[] b) throws FormatException;
 	BdfList toList(Message m) throws FormatException;
 	BdfList toList(Author a);
 	byte[] sign(String label, BdfList toSign, byte[] privateKey)
 			throws FormatException, GeneralSecurityException;
 	void verifySignature(byte[] signature, String label, BdfList signed,
 			byte[] publicKey) throws FormatException, GeneralSecurityException;
 	Author parseAndValidateAuthor(BdfList author) throws FormatException;
 	TransportProperties parseAndValidateTransportProperties(
 			BdfDictionary properties) throws FormatException;
 	Map<TransportId, TransportProperties> parseAndValidateTransportPropertiesMap(
 			BdfDictionary properties) throws FormatException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/client/ContactGroupFactory.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/client/ContactGroupFactory.java
@@ -1,30 +0,0 @@
 package org.briarproject.bramble.api.client;
 import org.briarproject.bramble.api.contact.Contact;
 import org.briarproject.bramble.api.identity.AuthorId;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.sync.ClientId;
 import org.briarproject.bramble.api.sync.Group;
@NotNullByDefault
 public interface ContactGroupFactory {
 	/**
 	 * Creates a group that is not shared with any contacts.
 	 */
 	Group createLocalGroup(ClientId clientId, int majorVersion);
 	/**
 	 * Creates a group for the given client to share with the given contact.
 	 */
 	Group createContactGroup(ClientId clientId, int majorVersion,
 			Contact contact);
 	/**
 	 * Creates a group for the given client to share between the given authors
 	 * identified by their AuthorIds.
 	 */
 	Group createContactGroup(ClientId clientId, int majorVersion,
 			AuthorId authorId1, AuthorId authorId2);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/Contact.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/Contact.java
@@ -1,56 +0,0 @@
 package org.briarproject.bramble.api.contact;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
@Immutable
@NotNullByDefault
 public class Contact {
 	private final ContactId id;
 	private final Author author;
 	private final AuthorId localAuthorId;
 	private final boolean verified, active;
 	public Contact(ContactId id, Author author, AuthorId localAuthorId,
 			boolean verified, boolean active) {
 		this.id = id;
 		this.author = author;
 		this.localAuthorId = localAuthorId;
 		this.verified = verified;
 		this.active = active;
 	}
 	public ContactId getId() {
 		return id;
 	}
 	public Author getAuthor() {
 		return author;
 	}
 	public AuthorId getLocalAuthorId() {
 		return localAuthorId;
 	}
 	public boolean isVerified() {
 		return verified;
 	}
 	public boolean isActive() {
 		return active;
 	}
 	@Override
 	public int hashCode() {
 		return id.hashCode();
 	}
 	@Override
 	public boolean equals(Object o) {
 		return o instanceof Contact && id.equals(((Contact) o).id);
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactExchangeListener.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactExchangeListener.java
@@ -1,20 +0,0 @@
 package org.briarproject.bramble.api.contact;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
 public interface ContactExchangeListener {
 	void contactExchangeSucceeded(Author remoteAuthor);
 	/**
 	 * The exchange failed because the contact already exists.
 	 */
 	void duplicateContact(Author remoteAuthor);
 	/**
 	 * A general failure.
 	 */
 	void contactExchangeFailed();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactExchangeTask.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactExchangeTask.java
@@ -1,48 +0,0 @@
 package org.briarproject.bramble.api.contact;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.identity.LocalAuthor;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
 /**
 * A task for conducting a contact information exchange with a remote peer.
 */
@NotNullByDefault
 public interface ContactExchangeTask {
 	/**
 	 * The current version of the contact exchange protocol.
 	 */
 	byte PROTOCOL_VERSION = 1;
 	/**
 	 * Label for deriving Alice's header key from the master secret.
 	 */
 	String ALICE_KEY_LABEL =
 			"org.briarproject.bramble.contact/ALICE_HEADER_KEY";
 	/**
 	 * Label for deriving Bob's header key from the master secret.
 	 */
 	String BOB_KEY_LABEL = "org.briarproject.bramble.contact/BOB_HEADER_KEY";
 	/**
 	 * Label for deriving Alice's key binding nonce from the master secret.
 	 */
 	String ALICE_NONCE_LABEL = "org.briarproject.bramble.contact/ALICE_NONCE";
 	/**
 	 * Label for deriving Bob's key binding nonce from the master secret.
 	 */
 	String BOB_NONCE_LABEL = "org.briarproject.bramble.contact/BOB_NONCE";
 	/**
 	 * Exchanges contact information with a remote peer.
 	 */
 	void startExchange(ContactExchangeListener listener,
 			LocalAuthor localAuthor, SecretKey masterSecret,
 			DuplexTransportConnection conn, TransportId transportId,
 			boolean alice);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactId.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactId.java
@@ -1,34 +0,0 @@
 package org.briarproject.bramble.api.contact;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * Type-safe wrapper for an integer that uniquely identifies a contact within
 * the scope of the local device.
 */
@Immutable
@NotNullByDefault
 public class ContactId {
 	private final int id;
 	public ContactId(int id) {
 		this.id = id;
 	}
 	public int getInt() {
 		return id;
 	}
 	@Override
 	public int hashCode() {
 		return id;
 	}
 	@Override
 	public boolean equals(Object o) {
 		return o instanceof ContactId && id == ((ContactId) o).id;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactManager.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactManager.java
@@ -1,114 +0,0 @@
 package org.briarproject.bramble.api.contact;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.db.DbException;
 import org.briarproject.bramble.api.db.Transaction;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
 import org.briarproject.bramble.api.lifecycle.LifecycleManager;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.util.Collection;
@NotNullByDefault
 public interface ContactManager {
 	/**
 	 * Registers a hook to be called whenever a contact is added or removed.
 	 * This method should be called before
 	 * {@link LifecycleManager#startServices(SecretKey)}.
 	 */
 	void registerContactHook(ContactHook hook);
 	/**
 	 * Stores a contact associated with the given local and remote pseudonyms,
 	 * derives and stores transport keys for each transport, and returns an ID
 	 * for the contact.
 	 *
 	 * @param alice true if the local party is Alice
 	 */
 	ContactId addContact(Transaction txn, Author remote, AuthorId local,
 			SecretKey master, long timestamp, boolean alice, boolean verified,
 			boolean active) throws DbException;
 	/**
 	 * Stores a contact associated with the given local and remote pseudonyms
 	 * and returns an ID for the contact.
 	 */
 	ContactId addContact(Transaction txn, Author remote, AuthorId local,
 			boolean verified, boolean active) throws DbException;
 	/**
 	 * Stores a contact associated with the given local and remote pseudonyms,
 	 * derives and stores transport keys for each transport, and returns an ID
 	 * for the contact.
 	 *
 	 * @param alice true if the local party is Alice
 	 */
 	ContactId addContact(Author remote, AuthorId local, SecretKey master,
 			long timestamp, boolean alice, boolean verified, boolean active)
 			throws DbException;
 	/**
 	 * Returns the contact with the given ID.
 	 */
 	Contact getContact(ContactId c) throws DbException;
 	/**
 	 * Returns the contact with the given remoteAuthorId
 	 * that was added by the LocalAuthor with the given localAuthorId
 	 *
 	 * @throws org.briarproject.bramble.api.db.NoSuchContactException
 	 */
 	Contact getContact(AuthorId remoteAuthorId, AuthorId localAuthorId)
 			throws DbException;
 	/**
 	 * Returns the contact with the given remoteAuthorId
 	 * that was added by the LocalAuthor with the given localAuthorId
 	 *
 	 * @throws org.briarproject.bramble.api.db.NoSuchContactException
 	 */
 	Contact getContact(Transaction txn, AuthorId remoteAuthorId,
 			AuthorId localAuthorId) throws DbException;
 	/**
 	 * Returns all active contacts.
 	 */
 	Collection<Contact> getActiveContacts() throws DbException;
 	/**
 	 * Removes a contact and all associated state.
 	 */
 	void removeContact(ContactId c) throws DbException;
 	/**
 	 * Removes a contact and all associated state.
 	 */
 	void removeContact(Transaction txn, ContactId c) throws DbException;
 	/**
 	 * Marks a contact as active or inactive.
 	 */
 	void setContactActive(Transaction txn, ContactId c, boolean active)
 			throws DbException;
 	/**
 	 * Return true if a contact with this name and public key already exists
 	 */
 	boolean contactExists(Transaction txn, AuthorId remoteAuthorId,
 			AuthorId localAuthorId) throws DbException;
 	/**
 	 * Return true if a contact with this name and public key already exists
 	 */
 	boolean contactExists(AuthorId remoteAuthorId, AuthorId localAuthorId)
 			throws DbException;
 	interface ContactHook {
 		void addingContact(Transaction txn, Contact c) throws DbException;
 		void removingContact(Transaction txn, Contact c) throws DbException;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/RecordTypes.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/RecordTypes.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.contact;
 /**
 * Record types for the contact exchange protocol.
 */
 public interface RecordTypes {
 	byte CONTACT_INFO = 0;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactAddedEvent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactAddedEvent.java
@@ -1,31 +0,0 @@
 package org.briarproject.bramble.api.contact.event;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * An event that is broadcast when a contact is added.
 */
@Immutable
@NotNullByDefault
 public class ContactAddedEvent extends Event {
 	private final ContactId contactId;
 	private final boolean active;
 	public ContactAddedEvent(ContactId contactId, boolean active) {
 		this.contactId = contactId;
 		this.active = active;
 	}
 	public ContactId getContactId() {
 		return contactId;
 	}
 	public boolean isActive() {
 		return active;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactRemovedEvent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactRemovedEvent.java
@@ -1,25 +0,0 @@
 package org.briarproject.bramble.api.contact.event;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * An event that is broadcast when a contact is removed.
 */
@Immutable
@NotNullByDefault
 public class ContactRemovedEvent extends Event {
 	private final ContactId contactId;
 	public ContactRemovedEvent(ContactId contactId) {
 		this.contactId = contactId;
 	}
 	public ContactId getContactId() {
 		return contactId;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactStatusChangedEvent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactStatusChangedEvent.java
@@ -1,31 +0,0 @@
 package org.briarproject.bramble.api.contact.event;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * An event that is broadcast when a contact is marked active or inactive.
 */
@Immutable
@NotNullByDefault
 public class ContactStatusChangedEvent extends Event {
 	private final ContactId contactId;
 	private final boolean active;
 	public ContactStatusChangedEvent(ContactId contactId, boolean active) {
 		this.contactId = contactId;
 		this.active = active;
 	}
 	public ContactId getContactId() {
 		return contactId;
 	}
 	public boolean isActive() {
 		return active;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactVerifiedEvent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/contact/event/ContactVerifiedEvent.java
@@ -1,26 +0,0 @@
 package org.briarproject.bramble.api.contact.event;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.event.Event;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * An event that is broadcast when a contact is verified.
 */
@Immutable
@NotNullByDefault
 public class ContactVerifiedEvent extends Event {
 	private final ContactId contactId;
 	public ContactVerifiedEvent(ContactId contactId) {
 		this.contactId = contactId;
 	}
 	public ContactId getContactId() {
 		return contactId;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoComponent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoComponent.java
@@ -1,133 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.security.GeneralSecurityException;
 import java.security.SecureRandom;
 import javax.annotation.Nullable;
@NotNullByDefault
 public interface CryptoComponent {
 	SecretKey generateSecretKey();
 	SecureRandom getSecureRandom();
 	KeyPair generateAgreementKeyPair();
 	KeyParser getAgreementKeyParser();
 	KeyPair generateSignatureKeyPair();
 	KeyParser getSignatureKeyParser();
 	KeyParser getMessageKeyParser();
 	/**
 	 * Derives another secret key from the given secret key.
 	 *
 	 * @param label a namespaced label indicating the purpose of the derived
 	 * key, to prevent it from being repurposed or colliding with a key derived
 	 * for another purpose
 	 */
 	SecretKey deriveKey(String label, SecretKey k, byte[]... inputs);
 	/**
 	 * Derives a common shared secret from two public keys and one of the
 	 * corresponding private keys.
 	 *
 	 * @param label a namespaced label indicating the purpose of this shared
 	 * secret, to prevent it from being repurposed or colliding with a shared
 	 * secret derived for another purpose
 	 * @param theirPublicKey the public key of the remote party
 	 * @param ourKeyPair the key pair of the local party
 	 * @return the shared secret
 	 */
 	SecretKey deriveSharedSecret(String label, PublicKey theirPublicKey,
 			KeyPair ourKeyPair, byte[]... inputs)
 			throws GeneralSecurityException;
 	/**
 	 * Signs the given byte[] with the given private key.
 	 *
 	 * @param label a namespaced label indicating the purpose of this
 	 * signature, to prevent it from being repurposed or colliding with a
 	 * signature created for another purpose
 	 */
 	byte[] sign(String label, byte[] toSign, byte[] privateKey)
 			throws GeneralSecurityException;
 	/**
 	 * Verifies that the given signature is valid for the signed data
 	 * and the given public key.
 	 *
 	 * @param label a namespaced label indicating the purpose of this
 	 * signature, to prevent it from being repurposed or colliding with a
 	 * signature created for another purpose
 	 * @return true if the signature was valid, false otherwise.
 	 */
 	boolean verifySignature(byte[] signature, String label, byte[] signed,
 			byte[] publicKey) throws GeneralSecurityException;
 	/**
 	 * Returns the hash of the given inputs. The inputs are unambiguously
 	 * combined by prefixing each input with its length.
 	 *
 	 * @param label a namespaced label indicating the purpose of this hash, to
 	 * prevent it from being repurposed or colliding with a hash created for
 	 * another purpose
 	 */
 	byte[] hash(String label, byte[]... inputs);
 	/**
 	 * Returns a message authentication code with the given key over the
 	 * given inputs. The inputs are unambiguously combined by prefixing each
 	 * input with its length.
 	 *
 	 * @param label a namespaced label indicating the purpose of this MAC, to
 	 * prevent it from being repurposed or colliding with a MAC created for
 	 * another purpose
 	 */
 	byte[] mac(String label, SecretKey macKey, byte[]... inputs);
 	/**
 	 * Verifies that the given message authentication code is valid for the
 	 * given secret key and inputs.
 	 *
 	 * @param label a namespaced label indicating the purpose of this MAC, to
 	 * prevent it from being repurposed or colliding with a MAC created for
 	 * another purpose
 	 * @return true if the MAC was valid, false otherwise.
 	 */
 	boolean verifyMac(byte[] mac, String label, SecretKey macKey,
 			byte[]... inputs);
 	/**
 	 * Encrypts and authenticates the given plaintext so it can be written to
 	 * storage. The encryption and authentication keys are derived from the
 	 * given password. The ciphertext will be decryptable using the same
 	 * password after the app restarts.
 	 */
 	byte[] encryptWithPassword(byte[] plaintext, String password);
 	/**
 	 * Decrypts and authenticates the given ciphertext that has been read from
 	 * storage. The encryption and authentication keys are derived from the
 	 * given password. Returns null if the ciphertext cannot be decrypted and
 	 * authenticated (for example, if the password is wrong).
 	 */
 	@Nullable
 	byte[] decryptWithPassword(byte[] ciphertext, String password);
 	/**
 	 * Encrypts the given plaintext to the given public key.
 	 */
 	byte[] encryptToKey(PublicKey publicKey, byte[] plaintext);
 	/**
 	 * Encodes the given data as a hex string divided into lines of the given
 	 * length. The line terminator is CRLF.
 	 */
 	String asciiArmour(byte[] b, int lineLength);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoConstants.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoConstants.java
@@ -1,25 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 public interface CryptoConstants {
 	/**
 	 * The maximum length of an agreement public key in bytes.
 	 */
 	int MAX_AGREEMENT_PUBLIC_KEY_BYTES = 32;
 	/**
 	 * The maximum length of a signature public key in bytes.
 	 */
 	int MAX_SIGNATURE_PUBLIC_KEY_BYTES = 32;
 	/**
 	 * The maximum length of a signature in bytes.
 	 */
 	int MAX_SIGNATURE_BYTES = 64;
 	/**
 	 * The length of a MAC in bytes.
 	 */
 	int MAC_BYTES = SecretKey.LENGTH;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoExecutor.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoExecutor.java
@@ -1,25 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 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 executor for long-running crypto tasks. Also
 * used for annotating methods that should run on the crypto executor.
 * <p>
 * The contract of this executor is that tasks may be run concurrently, and
 * submitting a task will never block. Tasks must not run indefinitely. Tasks
 * submitted during shutdown are discarded.
 */
@Qualifier
@Target({FIELD, METHOD, PARAMETER})
@Retention(RUNTIME)
 public @interface CryptoExecutor {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyAgreementCrypto.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyAgreementCrypto.java
@@ -1,50 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 /**
 * Crypto operations for the key agreement protocol - see
 * https://code.briarproject.org/akwizgran/briar-spec/blob/master/protocols/BQP.md
 */
 public interface KeyAgreementCrypto {
 	/**
 	 * Hash label for public key commitment.
 	 */
 	String COMMIT_LABEL = "org.briarproject.bramble.keyagreement/COMMIT";
 	/**
 	 * Key derivation label for confirmation record.
 	 */
 	String CONFIRMATION_KEY_LABEL =
 			"org.briarproject.bramble.keyagreement/CONFIRMATION_KEY";
 	/**
 	 * MAC label for confirmation record.
 	 */
 	String CONFIRMATION_MAC_LABEL =
 			"org.briarproject.bramble.keyagreement/CONFIRMATION_MAC";
 	/**
 	 * Derives a commitment to the provided public key.
 	 *
 	 * @param publicKey the public key
 	 * @return the commitment to the provided public key.
 	 */
 	byte[] deriveKeyCommitment(PublicKey publicKey);
 	/**
 	 * Derives the content of a confirmation record.
 	 *
 	 * @param sharedSecret the common shared secret
 	 * @param theirPayload the key exchange payload of the remote party
 	 * @param ourPayload the key exchange payload of the local party
 	 * @param theirPublicKey the ephemeral public key of the remote party
 	 * @param ourKeyPair our ephemeral key pair of the local party
 	 * @param alice true if the local party is Alice
 	 * @param aliceRecord true if the confirmation record is for use by Alice
 	 * @return the confirmation record
 	 */
 	byte[] deriveConfirmationRecord(SecretKey sharedSecret,
 			byte[] theirPayload, byte[] ourPayload,
 			PublicKey theirPublicKey, KeyPair ourKeyPair,
 			boolean alice, boolean aliceRecord);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyPair.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyPair.java
@@ -1,29 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import javax.annotation.concurrent.Immutable;
 /**
 * A key pair consisting of a {@link PublicKey} and a {@link PrivateKey}.
 */
@Immutable
@NotNullByDefault
 public class KeyPair {
 	private final PublicKey publicKey;
 	private final PrivateKey privateKey;
 	public KeyPair(PublicKey publicKey, PrivateKey privateKey) {
 		this.publicKey = publicKey;
 		this.privateKey = privateKey;
 	}
 	public PublicKey getPublic() {
 		return publicKey;
 	}
 	public PrivateKey getPrivate() {
 		return privateKey;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyParser.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/KeyParser.java
@@ -1,14 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.security.GeneralSecurityException;
@NotNullByDefault
 public interface KeyParser {
 	PublicKey parsePublicKey(byte[] encodedKey) throws GeneralSecurityException;
 	PrivateKey parsePrivateKey(byte[] encodedKey)
 			throws GeneralSecurityException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PasswordStrengthEstimator.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PasswordStrengthEstimator.java
@@ -1,19 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
 public interface PasswordStrengthEstimator {
 	float NONE = 0;
 	float WEAK = 0.25f;
 	float QUITE_WEAK = 0.5f;
 	float QUITE_STRONG = 0.75f;
 	float STRONG = 1;
 	/**
 	 * Returns an estimate between 0 (weakest) and 1 (strongest), inclusive,
 	 * of the strength of the given password.
 	 */
 	float estimateStrength(String password);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PrivateKey.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PrivateKey.java
@@ -1,15 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 /**
 * The private half of a public/private {@link KeyPair}.
 */
@NotNullByDefault
 public interface PrivateKey {
 	/**
 	 * Returns the encoded representation of this key.
 	 */
 	byte[] getEncoded();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PublicKey.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PublicKey.java
@@ -1,15 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 /**
 * The public half of a public/private {@link KeyPair}.
 */
@NotNullByDefault
 public interface PublicKey {
 	/**
 	 * Returns the encoded representation of this key.
 	 */
 	byte[] getEncoded();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/SecretKey.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/SecretKey.java
@@ -1,23 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 /**
 * A secret key used for encryption and/or authentication.
 */
 public class SecretKey {
 	/**
 	 * The length of a secret key in bytes.
 	 */
 	public static final int LENGTH = 32;
 	private final byte[] key;
 	public SecretKey(byte[] key) {
 		if (key.length != LENGTH) throw new IllegalArgumentException();
 		this.key = key;
 	}
 	public byte[] getBytes() {
 		return key;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamDecrypter.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamDecrypter.java
@@ -1,18 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.IOException;
@NotNullByDefault
 public interface StreamDecrypter {
 	/**
 	 * Reads a frame, decrypts its payload into the given buffer and returns
 	 * the payload length, or -1 if no more frames can be read from the stream.
 	 *
 	 * @throws IOException if an error occurs while reading the frame,
 	 * or if authenticated decryption fails.
 	 */
 	int readFrame(byte[] payload) throws IOException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamDecrypterFactory.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamDecrypterFactory.java
@@ -1,22 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.transport.StreamContext;
 import java.io.InputStream;
@NotNullByDefault
 public interface StreamDecrypterFactory {
 	/**
 	 * Creates a {@link StreamDecrypter} for decrypting a transport stream.
 	 */
 	StreamDecrypter createStreamDecrypter(InputStream in, StreamContext ctx);
 	/**
 	 * Creates a {@link StreamDecrypter} for decrypting a contact exchange
 	 * stream.
 	 */
 	StreamDecrypter createContactExchangeStreamDecrypter(InputStream in,
 			SecretKey headerKey);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamEncrypter.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamEncrypter.java
@@ -1,20 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.IOException;
@NotNullByDefault
 public interface StreamEncrypter {
 	/**
 	 * Encrypts the given frame and writes it to the stream.
 	 */
 	void writeFrame(byte[] payload, int payloadLength, int paddingLength,
 			boolean finalFrame) throws IOException;
 	/**
 	 * Flushes the stream.
 	 */
 	void flush() throws IOException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamEncrypterFactory.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/StreamEncrypterFactory.java
@@ -1,22 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.transport.StreamContext;
 import java.io.OutputStream;
@NotNullByDefault
 public interface StreamEncrypterFactory {
 	/**
 	 * Creates a {@link StreamEncrypter} for encrypting a transport stream.
 	 */
 	StreamEncrypter createStreamEncrypter(OutputStream out, StreamContext ctx);
 	/**
 	 * Creates a {@link StreamEncrypter} for encrypting a contact exchange
 	 * stream.
 	 */
 	StreamEncrypter createContactExchangeStreamDecrypter(OutputStream out,
 			SecretKey headerKey);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/TransportCrypto.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/crypto/TransportCrypto.java
@@ -1,33 +0,0 @@
 package org.briarproject.bramble.api.crypto;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.transport.TransportKeys;
 /**
 * Crypto operations for the transport security protocol - see
 * https://code.briarproject.org/akwizgran/briar-spec/blob/master/protocols/BTP.md
 */
 public interface TransportCrypto {
 	/**
 	 * Derives initial transport keys for the given transport in the given
 	 * rotation period from the given master secret.
 	 *
 	 * @param alice whether the keys are for use by Alice or Bob.
 	 * @param active whether the keys are usable for outgoing streams.
 	 */
 	TransportKeys deriveTransportKeys(TransportId t, SecretKey master,
 			long rotationPeriod, boolean alice, boolean active);
 	/**
 	 * Rotates the given transport keys to the given rotation period. If the
 	 * keys are for the given period or any later period they are not rotated.
 	 */
 	TransportKeys rotateTransportKeys(TransportKeys k, long rotationPeriod);
 	/**
 	 * Encodes the pseudo-random tag that is used to recognise a stream.
 	 */
 	void encodeTag(byte[] tag, SecretKey tagKey, int protocolVersion,
 			long streamNumber);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/data/BdfReaderFactory.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/data/BdfReaderFactory.java
@@ -1,14 +0,0 @@
 package org.briarproject.bramble.api.data;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.InputStream;
@NotNullByDefault
 public interface BdfReaderFactory {
 	BdfReader createReader(InputStream in);
 	BdfReader createReader(InputStream in, int nestedLimit,
 			int maxBufferSize);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/data/BdfWriterFactory.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/data/BdfWriterFactory.java
@@ -1,11 +0,0 @@
 package org.briarproject.bramble.api.data;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.OutputStream;
@NotNullByDefault
 public interface BdfWriterFactory {
 	BdfWriter createWriter(OutputStream out);
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/data/MetadataEncoder.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/data/MetadataEncoder.java
@@ -1,11 +0,0 @@
 package org.briarproject.bramble.api.data;
 import org.briarproject.bramble.api.FormatException;
 import org.briarproject.bramble.api.db.Metadata;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
 public interface MetadataEncoder {
 	Metadata encode(BdfDictionary d) throws FormatException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/data/MetadataParser.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/data/MetadataParser.java
@@ -1,11 +0,0 @@
 package org.briarproject.bramble.api.data;
 import org.briarproject.bramble.api.FormatException;
 import org.briarproject.bramble.api.db.Metadata;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
 public interface MetadataParser {
 	BdfDictionary parse(Metadata m) throws FormatException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/ContactExistsException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/ContactExistsException.java
@@ -1,8 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a duplicate contact is added to the database. This exception may
 * occur due to concurrent updates and does not indicate a database error.
 */
 public class ContactExistsException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DataTooNewException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DataTooNewException.java
@@ -1,7 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when the database uses a newer schema than the current code.
 */
 public class DataTooNewException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DataTooOldException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DataTooOldException.java
@@ -1,8 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when the database uses an older schema than the current code and
 * cannot be migrated.
 */
 public class DataTooOldException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
@@ -1,559 +0,0 @@
 package org.briarproject.bramble.api.db;
 import org.briarproject.bramble.api.contact.Contact;
 import org.briarproject.bramble.api.contact.ContactId;
 import org.briarproject.bramble.api.crypto.SecretKey;
 import org.briarproject.bramble.api.identity.Author;
 import org.briarproject.bramble.api.identity.AuthorId;
 import org.briarproject.bramble.api.identity.LocalAuthor;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.settings.Settings;
 import org.briarproject.bramble.api.sync.Ack;
 import org.briarproject.bramble.api.sync.ClientId;
 import org.briarproject.bramble.api.sync.Group;
 import org.briarproject.bramble.api.sync.Group.Visibility;
 import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageId;
 import org.briarproject.bramble.api.sync.MessageStatus;
 import org.briarproject.bramble.api.sync.Offer;
 import org.briarproject.bramble.api.sync.Request;
 import org.briarproject.bramble.api.transport.KeySet;
 import org.briarproject.bramble.api.transport.KeySetId;
 import org.briarproject.bramble.api.transport.TransportKeys;
 import java.util.Collection;
 import java.util.Map;
 import javax.annotation.Nullable;
 import static org.briarproject.bramble.api.sync.ValidationManager.State;
 /**
 * Encapsulates the database implementation and exposes high-level operations
 * to other components.
 */
@NotNullByDefault
 public interface DatabaseComponent {
 	/**
 	 * Opens the database and returns true if the database already existed.
 	 *
 	 * @throws DataTooNewException if the data uses a newer schema than the
 	 * current code
 	 * @throws DataTooOldException if the data uses an older schema than the
 	 * current code and cannot be migrated
 	 */
 	boolean open(SecretKey key, @Nullable MigrationListener listener)
 			throws DbException;
 	/**
 	 * Waits for any open transactions to finish and closes the database.
 	 */
 	void close() throws DbException;
 	/**
 	 * Starts a new transaction and returns an object representing it.
 	 * <p/>
 	 * This method acquires locks, so it must not be called while holding a
 	 * lock.
 	 *
 	 * @param readOnly true if the transaction will only be used for reading.
 	 */
 	Transaction startTransaction(boolean readOnly) throws DbException;
 	/**
 	 * Commits a transaction to the database.
 	 */
 	void commitTransaction(Transaction txn) throws DbException;
 	/**
 	 * Ends a transaction. If the transaction has not been committed,
 	 * it will be aborted. If the transaction has been committed,
 	 * any events attached to the transaction are broadcast.
 	 * The database lock will be released in either case.
 	 */
 	void endTransaction(Transaction txn);
 	/**
 	 * Runs the given task within a transaction.
 	 */
 	<E extends Exception> void transaction(boolean readOnly,
 			DbRunnable<E> task) throws DbException, E;
 	/**
 	 * Runs the given task within a transaction and returns the result of the
 	 * task.
 	 */
 	<R, E extends Exception> R transactionWithResult(boolean readOnly,
 			DbCallable<R, E> task) throws DbException, E;
 	/**
 	 * Stores a contact associated with the given local and remote pseudonyms,
 	 * and returns an ID for the contact.
 	 */
 	ContactId addContact(Transaction txn, Author remote, AuthorId local,
 			boolean verified, boolean active) throws DbException;
 	/**
 	 * Stores a group.
 	 */
 	void addGroup(Transaction txn, Group g) throws DbException;
 	/**
 	 * Stores a local pseudonym.
 	 */
 	void addLocalAuthor(Transaction txn, LocalAuthor a) throws DbException;
 	/**
 	 * Stores a local message.
 	 */
 	void addLocalMessage(Transaction txn, Message m, Metadata meta,
 			boolean shared) throws DbException;
 	/**
 	 * Stores a transport.
 	 */
 	void addTransport(Transaction txn, TransportId t, int maxLatency)
 			throws DbException;
 	/**
 	 * Stores the given transport keys for the given contact and returns a
 	 * key set ID.
 	 */
 	KeySetId addTransportKeys(Transaction txn, ContactId c,
 			TransportKeys k) throws DbException;
 	/**
 	 * Returns true if the database contains the given contact for the given
 	 * local pseudonym.
 	 */
 	boolean containsContact(Transaction txn, AuthorId remote, AuthorId local)
 			throws DbException;
 	/**
 	 * Returns true if the database contains the given group.
 	 */
 	boolean containsGroup(Transaction txn, GroupId g) throws DbException;
 	/**
 	 * Returns true if the database contains the given local author.
 	 */
 	boolean containsLocalAuthor(Transaction txn, AuthorId local)
 			throws DbException;
 	/**
 	 * Deletes the message with the given ID. Unlike
 	 * {@link #removeMessage(Transaction, MessageId)}, the message ID,
 	 * dependencies, metadata, and any other associated state are not deleted.
 	 */
 	void deleteMessage(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Deletes any metadata associated with the given message.
 	 */
 	void deleteMessageMetadata(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Returns an acknowledgement for the given contact, or null if there are
 	 * no messages to acknowledge.
 	 */
 	@Nullable
 	Ack generateAck(Transaction txn, ContactId c, int maxMessages)
 			throws DbException;
 	/**
 	 * Returns a batch of messages for the given contact, with a total length
 	 * less than or equal to the given length, for transmission over a
 	 * transport with the given maximum latency. Returns null if there are no
 	 * sendable messages that fit in the given length.
 	 */
 	@Nullable
 	Collection<Message> generateBatch(Transaction txn, ContactId c,
 			int maxLength, int maxLatency) throws DbException;
 	/**
 	 * Returns an offer for the given contact for transmission over a
 	 * transport with the given maximum latency, or null if there are no
 	 * messages to offer.
 	 */
 	@Nullable
 	Offer generateOffer(Transaction txn, ContactId c, int maxMessages,
 			int maxLatency) throws DbException;
 	/**
 	 * Returns a request for the given contact, or null if there are no
 	 * messages to request.
 	 */
 	@Nullable
 	Request generateRequest(Transaction txn, ContactId c, int maxMessages)
 			throws DbException;
 	/**
 	 * Returns a batch of messages for the given contact, with a total length
 	 * less than or equal to the given length, for transmission over a
 	 * transport with the given maximum latency. Only messages that have been
 	 * requested by the contact are returned. Returns null if there are no
 	 * sendable messages that fit in the given length.
 	 */
 	@Nullable
 	Collection<Message> generateRequestedBatch(Transaction txn, ContactId c,
 			int maxLength, int maxLatency) throws DbException;
 	/**
 	 * Returns the contact with the given ID.
 	 * <p/>
 	 * Read-only.
 	 */
 	Contact getContact(Transaction txn, ContactId c) throws DbException;
 	/**
 	 * Returns all contacts.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<Contact> getContacts(Transaction txn) throws DbException;
 	/**
 	 * Returns a possibly empty collection of contacts with the given author ID.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<Contact> getContactsByAuthorId(Transaction txn, AuthorId remote)
 			throws DbException;
 	/**
 	 * Returns all contacts associated with the given local pseudonym.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<ContactId> getContacts(Transaction txn, AuthorId a)
 			throws DbException;
 	/**
 	 * Returns the group with the given ID.
 	 * <p/>
 	 * Read-only.
 	 */
 	Group getGroup(Transaction txn, GroupId g) throws DbException;
 	/**
 	 * Returns the metadata for the given group.
 	 * <p/>
 	 * Read-only.
 	 */
 	Metadata getGroupMetadata(Transaction txn, GroupId g) throws DbException;
 	/**
 	 * Returns all groups belonging to the given client.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<Group> getGroups(Transaction txn, ClientId c, int majorVersion)
 			throws DbException;
 	/**
 	 * Returns the given group's visibility to the given contact, or
 	 * {@link Visibility INVISIBLE} if the group is not in the database.
 	 * <p/>
 	 * Read-only.
 	 */
 	Visibility getGroupVisibility(Transaction txn, ContactId c, GroupId g)
 			throws DbException;
 	/**
 	 * Returns the local pseudonym with the given ID.
 	 * <p/>
 	 * Read-only.
 	 */
 	LocalAuthor getLocalAuthor(Transaction txn, AuthorId a) throws DbException;
 	/**
 	 * Returns all local pseudonyms.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<LocalAuthor> getLocalAuthors(Transaction txn) throws DbException;
 	/**
 	 * Returns the message with the given ID.
 	 * <p/>
 	 * Read-only.
 	 *
 	 * @throws MessageDeletedException if the message has been deleted
 	 */
 	Message getMessage(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Returns the IDs of all delivered messages in the given group.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<MessageId> getMessageIds(Transaction txn, GroupId g)
 			throws DbException;
 	/**
 	 * Returns the IDs of any messages that need to be validated.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<MessageId> getMessagesToValidate(Transaction txn)
 			throws DbException;
 	/**
 	 * Returns the IDs of any messages that are pending delivery due to
 	 * dependencies on other messages.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<MessageId> getPendingMessages(Transaction txn)
 			throws DbException;
 	/**
 	 * Returns the IDs of any messages that have shared dependents but have
 	 * not yet been shared themselves.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<MessageId> getMessagesToShare(Transaction txn)
 			throws DbException;
 	/**
 	 * Returns the metadata for all delivered messages in the given group.
 	 * <p/>
 	 * Read-only.
 	 */
 	Map<MessageId, Metadata> getMessageMetadata(Transaction txn, GroupId g)
 			throws DbException;
 	/**
 	 * Returns the metadata for any delivered messages in the given group with
 	 * metadata that matches all entries in the given query. If the query is
 	 * empty, the metadata for all delivered messages is returned.
 	 * <p/>
 	 * Read-only.
 	 */
 	Map<MessageId, Metadata> getMessageMetadata(Transaction txn, GroupId g,
 			Metadata query) throws DbException;
 	/**
 	 * Returns the metadata for the given delivered message.
 	 * <p/>
 	 * Read-only.
 	 */
 	Metadata getMessageMetadata(Transaction txn, MessageId m)
 			throws DbException;
 	/**
 	 * Returns the metadata for the given delivered or pending message.
 	 * This is only meant to be used by the ValidationManager.
 	 * <p/>
 	 * Read-only.
 	 */
 	Metadata getMessageMetadataForValidator(Transaction txn, MessageId m)
 			throws DbException;
 	/**
 	 * Returns the status of all delivered messages in the given group with
 	 * respect to the given contact.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<MessageStatus> getMessageStatus(Transaction txn, ContactId c,
 			GroupId g) throws DbException;
 	/**
 	 * Returns the IDs and states of all dependencies of the given message.
 	 * For missing dependencies and dependencies in other groups, the state
 	 * {@link State UNKNOWN} is returned.
 	 * <p/>
 	 * Read-only.
 	 */
 	Map<MessageId, State> getMessageDependencies(Transaction txn, MessageId m)
 			throws DbException;
 	/**
 	 * Returns the IDs and states of all dependents of the given message.
 	 * Dependents in other groups are not returned. If the given message is
 	 * missing, no dependents are returned.
 	 * <p/>
 	 * Read-only.
 	 */
 	Map<MessageId, State> getMessageDependents(Transaction txn, MessageId m)
 			throws DbException;
 	/**
 	 * Gets the validation and delivery state of the given message.
 	 * <p/>
 	 * Read-only.
 	 */
 	State getMessageState(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Returns the status of the given delivered message with respect to the
 	 * given contact.
 	 * <p/>
 	 * Read-only.
 	 */
 	MessageStatus getMessageStatus(Transaction txn, ContactId c, MessageId m)
 			throws DbException;
 	/*
 	 * Returns the next time (in milliseconds since the Unix epoch) when a
 	 * message is due to be sent to the given contact. The returned value may
 	 * be zero if a message is due to be sent immediately, or Long.MAX_VALUE if
 	 * no messages are scheduled to be sent.
 	 * <p/>
 	 * Read-only.
 	 */
 	long getNextSendTime(Transaction txn, ContactId c) throws DbException;
 	/**
 	 * Returns all settings in the given namespace.
 	 * <p/>
 	 * Read-only.
 	 */
 	Settings getSettings(Transaction txn, String namespace) throws DbException;
 	/**
 	 * Returns all transport keys for the given transport.
 	 * <p/>
 	 * Read-only.
 	 */
 	Collection<KeySet> getTransportKeys(Transaction txn, TransportId t)
 			throws DbException;
 	/**
 	 * Increments the outgoing stream counter for the given transport keys.
 	 */
 	void incrementStreamCounter(Transaction txn, TransportId t, KeySetId k)
 			throws DbException;
 	/**
 	 * Merges the given metadata with the existing metadata for the given
 	 * group.
 	 */
 	void mergeGroupMetadata(Transaction txn, GroupId g, Metadata meta)
 			throws DbException;
 	/**
 	 * Merges the given metadata with the existing metadata for the given
 	 * message.
 	 */
 	void mergeMessageMetadata(Transaction txn, MessageId m, Metadata meta)
 			throws DbException;
 	/**
 	 * Merges the given settings with the existing settings in the given
 	 * namespace.
 	 */
 	void mergeSettings(Transaction txn, Settings s, String namespace)
 			throws DbException;
 	/**
 	 * Processes an ack from the given contact.
 	 */
 	void receiveAck(Transaction txn, ContactId c, Ack a) throws DbException;
 	/**
 	 * Processes a message from the given contact.
 	 */
 	void receiveMessage(Transaction txn, ContactId c, Message m)
 			throws DbException;
 	/**
 	 * Processes an offer from the given contact.
 	 */
 	void receiveOffer(Transaction txn, ContactId c, Offer o) throws DbException;
 	/**
 	 * Processes a request from the given contact.
 	 */
 	void receiveRequest(Transaction txn, ContactId c, Request r)
 			throws DbException;
 	/**
 	 * Removes a contact (and all associated state) from the database.
 	 */
 	void removeContact(Transaction txn, ContactId c) throws DbException;
 	/**
 	 * Removes a group (and all associated state) from the database.
 	 */
 	void removeGroup(Transaction txn, Group g) throws DbException;
 	/**
 	 * Removes a local pseudonym (and all associated state) from the database.
 	 */
 	void removeLocalAuthor(Transaction txn, AuthorId a) throws DbException;
 	/**
 	 * Removes a message (and all associated state) from the database.
 	 */
 	void removeMessage(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Removes a transport (and all associated state) from the database.
 	 */
 	void removeTransport(Transaction txn, TransportId t) throws DbException;
 	/**
 	 * Removes the given transport keys from the database.
 	 */
 	void removeTransportKeys(Transaction txn, TransportId t, KeySetId k)
 			throws DbException;
 	/**
 	 * Marks the given contact as verified.
 	 */
 	void setContactVerified(Transaction txn, ContactId c) throws DbException;
 	/**
 	 * Marks the given contact as active or inactive.
 	 */
 	void setContactActive(Transaction txn, ContactId c, boolean active)
 			throws DbException;
 	/**
 	 * Sets the given group's visibility to the given contact.
 	 */
 	void setGroupVisibility(Transaction txn, ContactId c, GroupId g,
 			Visibility v) throws DbException;
 	/**
 	 * Marks the given message as shared.
 	 */
 	void setMessageShared(Transaction txn, MessageId m) throws DbException;
 	/**
 	 * Sets the validation and delivery state of the given message.
 	 */
 	void setMessageState(Transaction txn, MessageId m, State state)
 			throws DbException;
 	/**
 	 * Adds dependencies for a message
 	 */
 	void addMessageDependencies(Transaction txn, Message dependent,
 			Collection<MessageId> dependencies) throws DbException;
 	/**
 	 * Sets the reordering window for the given key set and transport in the
 	 * given rotation period.
 	 */
 	void setReorderingWindow(Transaction txn, KeySetId k, TransportId t,
 			long rotationPeriod, long base, byte[] bitmap) throws DbException;
 	/**
 	 * Marks the given transport keys as usable for outgoing streams.
 	 */
 	void setTransportKeysActive(Transaction txn, TransportId t, KeySetId k)
 			throws DbException;
 	/**
 	 * Stores the given transport keys, deleting any keys they have replaced.
 	 */
 	void updateTransportKeys(Transaction txn, Collection<KeySet> keys)
 			throws DbException;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseConfig.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseConfig.java
@@ -1,15 +0,0 @@
 package org.briarproject.bramble.api.db;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import java.io.File;
@NotNullByDefault
 public interface DatabaseConfig {
 	File getDatabaseDirectory();
 	File getDatabaseKeyDirectory();
 	long getMaxSize();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseExecutor.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseExecutor.java
@@ -1,26 +0,0 @@
 package org.briarproject.bramble.api.db;
 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 executor for database tasks. Also used for
 * annotating methods that should run on the database executor.
 * <p>
 * The contract of this executor is that tasks are run in the order they're
 * submitted, tasks are not run concurrently, and submitting a task will never
 * block. Tasks must not run indefinitely. Tasks submitted during shutdown are
 * discarded.
 */
@Qualifier
@Target({FIELD, METHOD, PARAMETER})
@Retention(RUNTIME)
 public @interface DatabaseExecutor {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbCallable.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbCallable.java
@@ -1,6 +0,0 @@
 package org.briarproject.bramble.api.db;
 public interface DbCallable<R, E extends Exception> {
 	R call(Transaction txn) throws DbException, E;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbClosedException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbClosedException.java
@@ -1,7 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted and the database is closed.
 */
 public class DbClosedException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbException.java
@@ -1,11 +0,0 @@
 package org.briarproject.bramble.api.db;
 public class DbException extends Exception {
 	public DbException() {
 	}
 	public DbException(Throwable t) {
 		super(t);
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbRunnable.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/DbRunnable.java
@@ -1,6 +0,0 @@
 package org.briarproject.bramble.api.db;
 public interface DbRunnable<E extends Exception> {
 	void run(Transaction txn) throws DbException, E;
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/MessageDeletedException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/MessageDeletedException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a message that has been deleted is requested from the database.
 * This exception may occur due to concurrent updates and does not indicate a
 * database error.
 */
 public class MessageDeletedException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/Metadata.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/Metadata.java
@@ -1,14 +0,0 @@
 package org.briarproject.bramble.api.db;
 import java.util.TreeMap;
 import javax.annotation.concurrent.NotThreadSafe;
@NotThreadSafe
 public class Metadata extends TreeMap<String, byte[]> {
 	/**
 	 * Special value to indicate that a key is being removed.
 	 */
 	public static final byte[] REMOVE = new byte[0];
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/MigrationListener.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/MigrationListener.java
@@ -1,15 +0,0 @@
 package org.briarproject.bramble.api.db;
 public interface MigrationListener {
 	/**
 	 * This is called when a migration is started while opening the database.
 	 * It will be called once for each migration being applied.
 	 */
 	void onDatabaseMigration();
 	/**
 	 * This is called when compaction is started while opening the database.
 	 */
 	void onDatabaseCompaction();
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchContactException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchContactException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted for a contact that is not in
 * the database. This exception may occur due to concurrent updates and does
 * not indicate a database error.
 */
 public class NoSuchContactException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchGroupException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchGroupException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted for a group that is not in the
 * database. This exception may occur due to concurrent updates and does not
 * indicate a database error.
 */
 public class NoSuchGroupException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchLocalAuthorException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchLocalAuthorException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted for a pseudonym that is not in
 * the database. This exception may occur due to concurrent updates and does
 * not indicate a database error.
 */
 public class NoSuchLocalAuthorException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchMessageException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchMessageException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted for a message that is not in
 * the database. This exception may occur due to concurrent updates and does
 * not indicate a database error.
 */
 public class NoSuchMessageException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchTransportException.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/NoSuchTransportException.java
@@ -1,9 +0,0 @@
 package org.briarproject.bramble.api.db;
 /**
 * Thrown when a database operation is attempted for a transport that is not in
 * the database. This exception may occur due to concurrent updates and does
 * not indicate a database error.
 */
 public class NoSuchTransportException extends DbException {
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/db/Transaction.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/db/Transaction.java
@@ -1,75 +0,0 @@
 package org.briarproject.bramble.api.db;
 import org.briarproject.bramble.api.event.Event;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import javax.annotation.concurrent.NotThreadSafe;
 /**
 * A wrapper around a database transaction. Transactions are not thread-safe.
 */
@NotThreadSafe
 public class Transaction {
 	private final Object txn;
 	private final boolean readOnly;
 	private List<Event> events = null;
 	private boolean committed = false;
 	public Transaction(Object txn, boolean readOnly) {
 		this.txn = txn;
 		this.readOnly = readOnly;
 	}
 	/**
 	 * Returns the database transaction. The type of the returned object
 	 * depends on the database implementation.
 	 */
 	public Object unbox() {
 		return txn;
 	}
 	/**
 	 * Returns true if the transaction can only be used for reading.
 	 */
 	public boolean isReadOnly() {
 		return readOnly;
 	}
 	/**
 	 * Attaches an event to be broadcast when the transaction has been
 	 * committed.
 	 */
 	public void attach(Event e) {
 		if (events == null) events = new ArrayList<>();
 		events.add(e);
 	}
 	/**
 	 * Returns any events attached to the transaction.
 	 */
 	public List<Event> getEvents() {
 		if (events == null) return Collections.emptyList();
 		return events;
 	}
 	/**
 	 * Returns true if the transaction has been committed.
 	 */
 	public boolean isCommitted() {
 		return committed;
 	}
 	/**
 	 * Marks the transaction as committed. This method should only be called
 	 * by the DatabaseComponent. It must not be called more than once.
 	 */
 	public void setCommitted() {
 		if (committed) throw new IllegalStateException();
 		committed = true;
 	}
 }
--- a/bramble-api/src/main/java/org/briarproject/bramble/api/event/Event.java
+++ b/bramble-api/src/main/java/org/briarproject/bramble/api/event/Event.java
@@ -1,7 +0,0 @@
 package org.briarproject.bramble.api.event;
 /**
 * An abstract superclass for events.
 */
 public abstract class Event {
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Santiago Torres	cef4c31e0b	FIX: Addresses reviewer comments	2016-09-23 09:21:03 -04:00
Santiago Torres	62527a62c1	WIP: Replace session states in the Engine classes	2016-09-19 22:39:19 -04:00