diff --git a/storage/artwork/ic_cloud_restore.svg b/storage/artwork/ic_cloud_restore.svg
index 71170dd7..564d0cf6 100644
--- a/storage/artwork/ic_cloud_restore.svg
+++ b/storage/artwork/ic_cloud_restore.svg
@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg"
     xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
diff --git a/storage/artwork/ic_download_library.svg b/storage/artwork/ic_download_library.svg
index 5206610f..b2f27344 100644
--- a/storage/artwork/ic_download_library.svg
+++ b/storage/artwork/ic_download_library.svg
@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg"
     xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
diff --git a/storage/demo/build.gradle b/storage/demo/build.gradle
index c99f2060..d8572d93 100644
--- a/storage/demo/build.gradle
+++ b/storage/demo/build.gradle
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 plugins {
     id 'com.android.application'
     id 'com.google.protobuf'
diff --git a/storage/demo/proguard-rules.pro b/storage/demo/proguard-rules.pro
index 55835b34..ea44e2d3 100644
--- a/storage/demo/proguard-rules.pro
+++ b/storage/demo/proguard-rules.pro
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 The Calyx Institute
+# SPDX-License-Identifier: Apache-2.0
+
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
 # proguardFiles setting in build.gradle.
diff --git a/storage/demo/src/main/AndroidManifest.xml b/storage/demo/src/main/AndroidManifest.xml
index 15b03a47..fec3045d 100644
--- a/storage/demo/src/main/AndroidManifest.xml
+++ b/storage/demo/src/main/AndroidManifest.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.grobox.storagebackuptester">
 
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
index d624041d..6aaae909 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.app.Application
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/Job.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/Job.kt
index 627f6e5a..f9cf529f 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/Job.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/Job.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.content.Context
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/LogAdapter.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/LogAdapter.kt
index 70bc59c8..d90068a5 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/LogAdapter.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/LogAdapter.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.view.LayoutInflater
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/LogFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/LogFragment.kt
index 6864347e..027ab534 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/LogFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/LogFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.content.Intent
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/MainActivity.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/MainActivity.kt
index 84e5b669..c5619784 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/MainActivity.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/MainActivity.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.os.Bundle
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/MainViewModel.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/MainViewModel.kt
index 777247b4..92a4d5cf 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/MainViewModel.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/MainViewModel.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester
 
 import android.app.Application
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/backup/BackupStats.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/backup/BackupStats.kt
index 44aeb8a9..e96ab4fd 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/backup/BackupStats.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/backup/BackupStats.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.backup
 
 import android.content.Context
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/crypto/KeyManager.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/crypto/KeyManager.kt
index 22b9a9b2..613aa51d 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/crypto/KeyManager.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/crypto/KeyManager.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.crypto
 
 import android.security.keystore.KeyProperties.PURPOSE_DECRYPT
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/plugin/TestSafStoragePlugin.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/plugin/TestSafStoragePlugin.kt
index fef76810..05172873 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/plugin/TestSafStoragePlugin.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/plugin/TestSafStoragePlugin.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.plugin
 
 import android.content.Context
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/DemoSnapshotFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/DemoSnapshotFragment.kt
index b7caa3da..7117ed33 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/DemoSnapshotFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/DemoSnapshotFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.restore
 
 import android.os.Bundle
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreFragment.kt
index 563fa2c2..3b4f0025 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.restore
 
 import android.os.Bundle
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreStats.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreStats.kt
index ceda95b4..fcad4b12 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreStats.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/restore/RestoreStats.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.restore
 
 import android.content.Context
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanFragment.kt
index 7a163bec..bfcc97ca 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.scanner
 
 import android.net.Uri
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanner.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanner.kt
index 0a1b8726..ad44f046 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanner.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/DocumentScanner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.scanner
 
 import android.annotation.SuppressLint
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanFragment.kt
index b64e265d..4bc01e77 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.scanner
 
 import android.content.Intent
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanner.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanner.kt
index d6376b5e..dd4d4e0a 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanner.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/scanner/MediaScanner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.scanner
 
 import android.annotation.SuppressLint
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/InfoFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/InfoFragment.kt
index 2d090f46..1a7ce44e 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/InfoFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/InfoFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.settings
 
 import android.os.Bundle
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsFragment.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsFragment.kt
index 40abc081..1028fa83 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsFragment.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.settings
 
 import android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION
diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsManager.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsManager.kt
index 5f0fecfc..473e2943 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsManager.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/settings/SettingsManager.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package de.grobox.storagebackuptester.settings
 
 import android.content.Context
diff --git a/storage/demo/src/main/res/drawable/ic_info.xml b/storage/demo/src/main/res/drawable/ic_info.xml
index 7396ebcb..7b1c7b38 100644
--- a/storage/demo/src/main/res/drawable/ic_info.xml
+++ b/storage/demo/src/main/res/drawable/ic_info.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/demo/src/main/res/drawable/ic_launcher_background.xml b/storage/demo/src/main/res/drawable/ic_launcher_background.xml
index a9e1f703..6d4cacac 100644
--- a/storage/demo/src/main/res/drawable/ic_launcher_background.xml
+++ b/storage/demo/src/main/res/drawable/ic_launcher_background.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
diff --git a/storage/demo/src/main/res/drawable/ic_launcher_foreground.xml b/storage/demo/src/main/res/drawable/ic_launcher_foreground.xml
index 1ac9aeb5..61e89802 100644
--- a/storage/demo/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/storage/demo/src/main/res/drawable/ic_launcher_foreground.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
diff --git a/storage/demo/src/main/res/drawable/ic_refresh.xml b/storage/demo/src/main/res/drawable/ic_refresh.xml
index 0d768f68..c81c5ce4 100644
--- a/storage/demo/src/main/res/drawable/ic_refresh.xml
+++ b/storage/demo/src/main/res/drawable/ic_refresh.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/demo/src/main/res/drawable/ic_settings.xml b/storage/demo/src/main/res/drawable/ic_settings.xml
index d99a8ae4..593f8c0b 100644
--- a/storage/demo/src/main/res/drawable/ic_settings.xml
+++ b/storage/demo/src/main/res/drawable/ic_settings.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/demo/src/main/res/drawable/ic_share.xml b/storage/demo/src/main/res/drawable/ic_share.xml
index 59b0e84d..28788a2a 100644
--- a/storage/demo/src/main/res/drawable/ic_share.xml
+++ b/storage/demo/src/main/res/drawable/ic_share.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/demo/src/main/res/layout/activity_main.xml b/storage/demo/src/main/res/layout/activity_main.xml
index 1de22197..5133ce63 100644
--- a/storage/demo/src/main/res/layout/activity_main.xml
+++ b/storage/demo/src/main/res/layout/activity_main.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"
diff --git a/storage/demo/src/main/res/layout/footer_snapshot.xml b/storage/demo/src/main/res/layout/footer_snapshot.xml
index 7f866ed2..98cb612e 100644
--- a/storage/demo/src/main/res/layout/footer_snapshot.xml
+++ b/storage/demo/src/main/res/layout/footer_snapshot.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
diff --git a/storage/demo/src/main/res/layout/fragment_content.xml b/storage/demo/src/main/res/layout/fragment_content.xml
index 2a7bc30e..101ab777 100644
--- a/storage/demo/src/main/res/layout/fragment_content.xml
+++ b/storage/demo/src/main/res/layout/fragment_content.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/demo/src/main/res/layout/fragment_log.xml b/storage/demo/src/main/res/layout/fragment_log.xml
index 25ac5f0e..2d153919 100644
--- a/storage/demo/src/main/res/layout/fragment_log.xml
+++ b/storage/demo/src/main/res/layout/fragment_log.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/demo/src/main/res/layout/fragment_scan.xml b/storage/demo/src/main/res/layout/fragment_scan.xml
index 9adcdc0a..c1edcab3 100644
--- a/storage/demo/src/main/res/layout/fragment_scan.xml
+++ b/storage/demo/src/main/res/layout/fragment_scan.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/demo/src/main/res/layout/item_log.xml b/storage/demo/src/main/res/layout/item_log.xml
index c06fdcff..ddd01659 100644
--- a/storage/demo/src/main/res/layout/item_log.xml
+++ b/storage/demo/src/main/res/layout/item_log.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/logView"
diff --git a/storage/demo/src/main/res/menu/fragment_main.xml b/storage/demo/src/main/res/menu/fragment_main.xml
index eb6a2ed5..bec07eae 100644
--- a/storage/demo/src/main/res/menu/fragment_main.xml
+++ b/storage/demo/src/main/res/menu/fragment_main.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
diff --git a/storage/demo/src/main/res/menu/fragment_scan.xml b/storage/demo/src/main/res/menu/fragment_scan.xml
index c0e5c1c1..54addd3b 100644
--- a/storage/demo/src/main/res/menu/fragment_scan.xml
+++ b/storage/demo/src/main/res/menu/fragment_scan.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
diff --git a/storage/demo/src/main/res/menu/fragment_settings.xml b/storage/demo/src/main/res/menu/fragment_settings.xml
index 80a671b9..2d3330e8 100644
--- a/storage/demo/src/main/res/menu/fragment_settings.xml
+++ b/storage/demo/src/main/res/menu/fragment_settings.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
diff --git a/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index 6b78462d..a62b276d 100644
--- a/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@drawable/ic_launcher_background" />
     <foreground android:drawable="@drawable/ic_launcher_foreground" />
diff --git a/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
index 6b78462d..a62b276d 100644
--- a/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/storage/demo/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@drawable/ic_launcher_background" />
     <foreground android:drawable="@drawable/ic_launcher_foreground" />
diff --git a/storage/demo/src/main/res/values-night/themes.xml b/storage/demo/src/main/res/values-night/themes.xml
index c59ec93b..fc987bfd 100644
--- a/storage/demo/src/main/res/values-night/themes.xml
+++ b/storage/demo/src/main/res/values-night/themes.xml
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
     <style name="Theme.StorageBackupTester" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
diff --git a/storage/demo/src/main/res/values/colors.xml b/storage/demo/src/main/res/values/colors.xml
index 7c73c8c6..891610df 100644
--- a/storage/demo/src/main/res/values/colors.xml
+++ b/storage/demo/src/main/res/values/colors.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources>
     <color name="purple_200">#FFBB86FC</color>
     <color name="purple_500">#FF6200EE</color>
diff --git a/storage/demo/src/main/res/values/strings.xml b/storage/demo/src/main/res/values/strings.xml
index 0cf086d1..1ce9b9f8 100644
--- a/storage/demo/src/main/res/values/strings.xml
+++ b/storage/demo/src/main/res/values/strings.xml
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources>
     <string name="app_name">Storage Backup Tester</string>
 </resources>
diff --git a/storage/demo/src/main/res/values/themes.xml b/storage/demo/src/main/res/values/themes.xml
index 1b913a62..57acebdb 100644
--- a/storage/demo/src/main/res/values/themes.xml
+++ b/storage/demo/src/main/res/values/themes.xml
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources>
 
     <style name="Theme.StorageBackupTester" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
diff --git a/storage/lib/Android.bp b/storage/lib/Android.bp
index 4d25e3d2..aa1d6750 100644
--- a/storage/lib/Android.bp
+++ b/storage/lib/Android.bp
@@ -1,3 +1,8 @@
+//
+// SPDX-FileCopyrightText: 2021 The Calyx Institute
+// SPDX-License-Identifier: Apache-2.0
+//
+
 android_library {
     name: "seedvault-lib-storage",
     sdk_version: "current",
diff --git a/storage/lib/build.gradle b/storage/lib/build.gradle
index d820a205..33adddc7 100644
--- a/storage/lib/build.gradle
+++ b/storage/lib/build.gradle
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 plugins {
     id 'com.android.library'
     id 'com.google.protobuf'
diff --git a/storage/lib/proguard-rules.pro b/storage/lib/proguard-rules.pro
index d5153406..689bda54 100644
--- a/storage/lib/proguard-rules.pro
+++ b/storage/lib/proguard-rules.pro
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 The Calyx Institute
+# SPDX-License-Identifier: Apache-2.0
+
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
 # proguardFiles setting in build.gradle.
diff --git a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/ChunksCacheTest.kt b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/ChunksCacheTest.kt
index b8c05742..9eee9069 100644
--- a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/ChunksCacheTest.kt
+++ b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/ChunksCacheTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.content.Context
diff --git a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/FilesCacheTest.kt b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/FilesCacheTest.kt
index 75d90d62..78fc21e8 100644
--- a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/FilesCacheTest.kt
+++ b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/FilesCacheTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.content.Context
diff --git a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/UriStoreTest.kt b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/UriStoreTest.kt
index c63157eb..8d3439ed 100644
--- a/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/UriStoreTest.kt
+++ b/storage/lib/src/androidTest/java/org/calyxos/backup/storage/db/UriStoreTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.content.Context
diff --git a/storage/lib/src/main/AndroidManifest.xml b/storage/lib/src/main/AndroidManifest.xml
index 593723ef..9f807340 100644
--- a/storage/lib/src/main/AndroidManifest.xml
+++ b/storage/lib/src/main/AndroidManifest.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="org.calyxos.backup.storage">
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ByteArrayUtils.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ByteArrayUtils.kt
index 6a07eec1..2cabdd65 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ByteArrayUtils.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ByteArrayUtils.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage
 
 internal fun ByteArray.toHexString() = joinToString("") { "%02x".format(it) }
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/TimeUtils.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/TimeUtils.kt
index ce39ec3c..ef88077d 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/TimeUtils.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/TimeUtils.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/UriUtils.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/UriUtils.kt
index a3aa96da..2162a010 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/UriUtils.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/UriUtils.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage
 
 import android.content.ContentResolver
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupContentType.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupContentType.kt
index 0d8dae20..04d1cb38 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupContentType.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupContentType.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupFile.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupFile.kt
index e22227ff..3a5eed8c 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupFile.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupFile.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 import android.provider.MediaStore
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupObserver.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupObserver.kt
index 35e7ab6a..b9e2fcc7 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupObserver.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/BackupObserver.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 public interface BackupObserver {
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/RestoreObserver.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/RestoreObserver.kt
index bad6e0b6..cc380b3e 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/RestoreObserver.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/RestoreObserver.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 public interface RestoreObserver {
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/Snapshot.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/Snapshot.kt
index 4e936664..b1458fa7 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/Snapshot.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/Snapshot.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 import org.calyxos.backup.storage.backup.BackupSnapshot
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/StorageBackup.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/StorageBackup.kt
index 1bb556a6..3c947759 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/StorageBackup.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/StorageBackup.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/api/StoragePlugin.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/api/StoragePlugin.kt
index aa1be4d6..5e9aae9b 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/api/StoragePlugin.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/api/StoragePlugin.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.api
 
 import java.io.IOException
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Backup.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Backup.kt
index 14dd470f..e08d5388 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Backup.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Backup.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.Manifest.permission.ACCESS_MEDIA_LOCATION
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupJobService.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupJobService.kt
index a3ba3965..a84cb33f 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupJobService.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupJobService.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.app.Service
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupService.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupService.kt
index 318bcbdf..6f7c240c 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupService.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/BackupService.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.app.Service
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunkWriter.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunkWriter.kt
index 38e0a482..3979f1b6 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunkWriter.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunkWriter.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Chunker.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Chunker.kt
index 03000c13..4a31343a 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Chunker.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/Chunker.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import org.calyxos.backup.storage.db.CachedChunk
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulater.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulater.kt
index 0b38d48e..b29dd346 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulater.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulater.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/FileBackup.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/FileBackup.kt
index 83858271..c830500a 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/FileBackup.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/FileBackup.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.content.ContentResolver
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/NotificationBackupObserver.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/NotificationBackupObserver.kt
index 2c0762d1..f62f9a94 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/NotificationBackupObserver.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/NotificationBackupObserver.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/SmallFileBackup.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/SmallFileBackup.kt
index 208fc5f9..6a74aba1 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/SmallFileBackup.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/SmallFileBackup.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.content.ContentResolver
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ZipChunker.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ZipChunker.kt
index 27a63d54..f98f9327 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ZipChunker.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/backup/ZipChunker.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import org.calyxos.backup.storage.content.ContentFile
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/content/ContentFile.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/content/ContentFile.kt
index 5252c956..32b16314 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/content/ContentFile.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/content/ContentFile.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.content
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/ChunkCrypto.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/ChunkCrypto.kt
index bb303672..3ce8c80b 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/ChunkCrypto.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/ChunkCrypto.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.crypto
 
 import org.calyxos.backup.storage.backup.Chunker
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/Hkdf.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/Hkdf.kt
index 9776fffe..64a058c4 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/Hkdf.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/Hkdf.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.crypto
 
 import java.nio.ByteBuffer
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/StreamCrypto.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/StreamCrypto.kt
index 339d02bb..ff4891cd 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/StreamCrypto.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/crypto/StreamCrypto.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.crypto
 
 import com.google.crypto.tink.subtle.AesGcmHkdfStreaming
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/db/ChunksCache.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/db/ChunksCache.kt
index 501f0a5a..5d438969 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/db/ChunksCache.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/db/ChunksCache.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import androidx.room.ColumnInfo
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/db/Db.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/db/Db.kt
index a8c8f7cb..52e06c95 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/db/Db.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/db/Db.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/db/FilesCache.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/db/FilesCache.kt
index 9765b894..093863ad 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/db/FilesCache.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/db/FilesCache.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/db/UriStore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/db/UriStore.kt
index 5214962f..1f7470da 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/db/UriStore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/db/UriStore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.db
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/SnapshotRetriever.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/SnapshotRetriever.kt
index 38fdcc14..3137b444 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/SnapshotRetriever.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/SnapshotRetriever.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.plugin
 
 import com.google.protobuf.InvalidProtocolBufferException
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/DocumentFileExt.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/DocumentFileExt.kt
index 7383a4c9..fada3eea 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/DocumentFileExt.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/DocumentFileExt.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 @file:Suppress("BlockingMethodInNonBlockingContext")
 
 package org.calyxos.backup.storage.plugin.saf
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafCache.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafCache.kt
index 0480a1eb..2dd67250 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafCache.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafCache.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.plugin.saf
 
 import androidx.documentfile.provider.DocumentFile
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
index 090ad385..fe9321d7 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/plugin/saf/SafStoragePlugin.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.plugin.saf
 
 import android.annotation.SuppressLint
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/prune/Pruner.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/prune/Pruner.kt
index 3e503e86..e25f0b76 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/prune/Pruner.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/prune/Pruner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.prune
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/prune/RetentionManager.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/prune/RetentionManager.kt
index 8f2097ef..7799b8e7 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/prune/RetentionManager.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/prune/RetentionManager.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.prune
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/AbstractChunkRestore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/AbstractChunkRestore.kt
index 6b22c5a8..5871d222 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/AbstractChunkRestore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/AbstractChunkRestore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import org.calyxos.backup.storage.api.RestoreObserver
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileRestore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileRestore.kt
index e25caf55..b9519778 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileRestore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileRestore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.content.ContentValues
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileSplitter.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileSplitter.kt
index b5a90703..cec446c2 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileSplitter.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/FileSplitter.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import org.calyxos.backup.storage.api.BackupFile
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/MultiChunkRestore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/MultiChunkRestore.kt
index 6694df75..16fc96f5 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/MultiChunkRestore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/MultiChunkRestore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/NotificationRestoreObserver.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/NotificationRestoreObserver.kt
index 061c85f6..564353b7 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/NotificationRestoreObserver.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/NotificationRestoreObserver.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.app.PendingIntent
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/Restore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/Restore.kt
index b338ac6d..801e1cf5 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/Restore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/Restore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/RestoreService.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/RestoreService.kt
index 1917e420..94477698 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/RestoreService.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/RestoreService.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.app.Service
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/SingleChunkRestore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/SingleChunkRestore.kt
index 9501912c..75d4d3bc 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/SingleChunkRestore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/SingleChunkRestore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/ZipChunkRestore.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/ZipChunkRestore.kt
index e1582932..c6c995b0 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/restore/ZipChunkRestore.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/restore/ZipChunkRestore.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import android.util.Log
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/DocumentScanner.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/DocumentScanner.kt
index a44a8db8..1177e8e3 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/DocumentScanner.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/DocumentScanner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.scanner
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/FileScanner.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/FileScanner.kt
index 02d9cbdb..a8c86583 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/FileScanner.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/FileScanner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.scanner
 
 import android.net.Uri
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/MediaScanner.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/MediaScanner.kt
index 725e0a9d..0e0c3526 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/MediaScanner.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/scanner/MediaScanner.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.scanner
 
 import android.content.ContentResolver.QUERY_ARG_SQL_SELECTION
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/Notifications.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/Notifications.kt
index b1828bec..4b694470 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/Notifications.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/Notifications.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui
 
 import android.app.Notification
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentAdapter.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentAdapter.kt
index b6972771..854df079 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentAdapter.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentAdapter.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.backup
 
 import android.provider.MediaStore
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentFragment.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentFragment.kt
index 44809e3f..7f939485 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentFragment.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.backup
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentItem.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentItem.kt
index 6864ee74..b2e10c02 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentItem.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentItem.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.backup
 
 import android.content.Context
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentViewModel.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentViewModel.kt
index 671bd076..403a3ecf 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentViewModel.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/backup/BackupContentViewModel.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.backup
 
 import android.app.Application
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotAdapter.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotAdapter.kt
index ca0f617e..461cfc3f 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotAdapter.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotAdapter.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.restore
 
 import android.text.format.DateUtils.FORMAT_ABBREV_ALL
diff --git a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotFragment.kt b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotFragment.kt
index 3034e0bf..6982e94d 100644
--- a/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotFragment.kt
+++ b/storage/lib/src/main/java/org/calyxos/backup/storage/ui/restore/SnapshotFragment.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.ui.restore
 
 import android.os.Bundle
diff --git a/storage/lib/src/main/res/drawable/ic_add.xml b/storage/lib/src/main/res/drawable/ic_add.xml
index eb988c0e..b2a0c60a 100644
--- a/storage/lib/src/main/res/drawable/ic_add.xml
+++ b/storage/lib/src/main/res/drawable/ic_add.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_auto_delete.xml b/storage/lib/src/main/res/drawable/ic_auto_delete.xml
index d25a2610..f56774fd 100644
--- a/storage/lib/src/main/res/drawable/ic_auto_delete.xml
+++ b/storage/lib/src/main/res/drawable/ic_auto_delete.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_cloud_done.xml b/storage/lib/src/main/res/drawable/ic_cloud_done.xml
index 5486f9b8..0f1de403 100644
--- a/storage/lib/src/main/res/drawable/ic_cloud_done.xml
+++ b/storage/lib/src/main/res/drawable/ic_cloud_done.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_cloud_restore.xml b/storage/lib/src/main/res/drawable/ic_cloud_restore.xml
index 7125abf9..bc45f3ef 100644
--- a/storage/lib/src/main/res/drawable/ic_cloud_restore.xml
+++ b/storage/lib/src/main/res/drawable/ic_cloud_restore.xml
@@ -1,3 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_cloud_upload.xml b/storage/lib/src/main/res/drawable/ic_cloud_upload.xml
index f78b98da..e2250942 100644
--- a/storage/lib/src/main/res/drawable/ic_cloud_upload.xml
+++ b/storage/lib/src/main/res/drawable/ic_cloud_upload.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_download_library.xml b/storage/lib/src/main/res/drawable/ic_download_library.xml
index 72ca8298..f1b0e370 100644
--- a/storage/lib/src/main/res/drawable/ic_download_library.xml
+++ b/storage/lib/src/main/res/drawable/ic_download_library.xml
@@ -1,3 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_folder.xml b/storage/lib/src/main/res/drawable/ic_folder.xml
index 77e822b4..48b6aa47 100644
--- a/storage/lib/src/main/res/drawable/ic_folder.xml
+++ b/storage/lib/src/main/res/drawable/ic_folder.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_more_vert.xml b/storage/lib/src/main/res/drawable/ic_more_vert.xml
index ece2fc7e..ec8e806d 100644
--- a/storage/lib/src/main/res/drawable/ic_more_vert.xml
+++ b/storage/lib/src/main/res/drawable/ic_more_vert.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_music_library.xml b/storage/lib/src/main/res/drawable/ic_music_library.xml
index 886dbd50..8da1624f 100644
--- a/storage/lib/src/main/res/drawable/ic_music_library.xml
+++ b/storage/lib/src/main/res/drawable/ic_music_library.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_photo_library.xml b/storage/lib/src/main/res/drawable/ic_photo_library.xml
index 5fac1845..a4ecbdc4 100644
--- a/storage/lib/src/main/res/drawable/ic_photo_library.xml
+++ b/storage/lib/src/main/res/drawable/ic_photo_library.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/drawable/ic_video_library.xml b/storage/lib/src/main/res/drawable/ic_video_library.xml
index d8ac0853..d1f09573 100644
--- a/storage/lib/src/main/res/drawable/ic_video_library.xml
+++ b/storage/lib/src/main/res/drawable/ic_video_library.xml
@@ -1,3 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: Material Design Authors / Google LLC
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
diff --git a/storage/lib/src/main/res/layout/fragment_backup_content.xml b/storage/lib/src/main/res/layout/fragment_backup_content.xml
index 99e6145e..59bde536 100644
--- a/storage/lib/src/main/res/layout/fragment_backup_content.xml
+++ b/storage/lib/src/main/res/layout/fragment_backup_content.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/lib/src/main/res/layout/fragment_snapshot.xml b/storage/lib/src/main/res/layout/fragment_snapshot.xml
index 86ca4408..d20c5d72 100644
--- a/storage/lib/src/main/res/layout/fragment_snapshot.xml
+++ b/storage/lib/src/main/res/layout/fragment_snapshot.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/lib/src/main/res/layout/item_custom.xml b/storage/lib/src/main/res/layout/item_custom.xml
index 60633704..62d23bdb 100644
--- a/storage/lib/src/main/res/layout/item_custom.xml
+++ b/storage/lib/src/main/res/layout/item_custom.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/lib/src/main/res/layout/item_media.xml b/storage/lib/src/main/res/layout/item_media.xml
index bc81fc32..7c357472 100644
--- a/storage/lib/src/main/res/layout/item_media.xml
+++ b/storage/lib/src/main/res/layout/item_media.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/lib/src/main/res/layout/item_snapshot.xml b/storage/lib/src/main/res/layout/item_snapshot.xml
index 57c05d43..e57a4ca8 100644
--- a/storage/lib/src/main/res/layout/item_snapshot.xml
+++ b/storage/lib/src/main/res/layout/item_snapshot.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/storage/lib/src/main/res/menu/item_custom.xml b/storage/lib/src/main/res/menu/item_custom.xml
index fe5cd8c2..563f1860 100644
--- a/storage/lib/src/main/res/menu/item_custom.xml
+++ b/storage/lib/src/main/res/menu/item_custom.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item
diff --git a/storage/lib/src/main/res/values/strings.xml b/storage/lib/src/main/res/values/strings.xml
index 1ba24817..d9413da1 100644
--- a/storage/lib/src/main/res/values/strings.xml
+++ b/storage/lib/src/main/res/values/strings.xml
@@ -1,3 +1,7 @@
+<!--
+  SPDX-FileCopyrightText: 2021 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources>
     <string name="content_images">Photos and images</string>
     <string name="content_videos">Videos</string>
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/BackupRestoreTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/BackupRestoreTest.kt
index 78ef34a6..797e725d 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/BackupRestoreTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/BackupRestoreTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage
 
 import android.Manifest.permission.ACCESS_MEDIA_LOCATION
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/TestUtils.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/TestUtils.kt
index 205ff84f..27f3d096 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/TestUtils.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/TestUtils.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage
 
 import android.util.Log
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkWriterTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkWriterTest.kt
index eb103eb6..13036707 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkWriterTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkWriterTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import io.mockk.MockKMatcherScope
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkerTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkerTest.kt
index 40d50681..5e1808f7 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkerTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunkerTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import org.calyxos.backup.storage.crypto.ChunkCrypto
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulaterTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulaterTest.kt
index b1fb556a..51c3a554 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulaterTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ChunksCacheRepopulaterTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import io.mockk.Runs
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/SmallFileBackupTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/SmallFileBackupTest.kt
index d48ece04..1d82b17d 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/SmallFileBackupTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/SmallFileBackupTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import android.content.ContentResolver
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ZipChunkerTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ZipChunkerTest.kt
index c88f4450..6c236338 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ZipChunkerTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/backup/ZipChunkerTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.backup
 
 import io.mockk.Runs
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/crypto/HkdfTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/crypto/HkdfTest.kt
index 632e386a..58011425 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/crypto/HkdfTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/crypto/HkdfTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.crypto
 
 import org.junit.Assert.assertArrayEquals
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/prune/PrunerTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/prune/PrunerTest.kt
index 3c359cf6..f9a2c478 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/prune/PrunerTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/prune/PrunerTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.prune
 
 import io.mockk.Runs
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/prune/RetentionManagerTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/prune/RetentionManagerTest.kt
index 7c19d7e5..5e31e306 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/prune/RetentionManagerTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/prune/RetentionManagerTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.prune
 
 import android.content.Context
diff --git a/storage/lib/src/test/java/org/calyxos/backup/storage/restore/FileSplitterTest.kt b/storage/lib/src/test/java/org/calyxos/backup/storage/restore/FileSplitterTest.kt
index cfd1161f..4577a013 100644
--- a/storage/lib/src/test/java/org/calyxos/backup/storage/restore/FileSplitterTest.kt
+++ b/storage/lib/src/test/java/org/calyxos/backup/storage/restore/FileSplitterTest.kt
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.storage.restore
 
 import org.calyxos.backup.storage.backup.Backup
diff --git a/storage/lint.xml b/storage/lint.xml
index db997a53..efc193ad 100644
--- a/storage/lint.xml
+++ b/storage/lint.xml
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  SPDX-FileCopyrightText: 2022 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <lint>
     <issue id="MissingTranslation" severity="ignore" />
 </lint>
diff --git a/storage/logcat-verbose.sh b/storage/logcat-verbose.sh
index 958b8d28..fa5a028f 100755
--- a/storage/logcat-verbose.sh
+++ b/storage/logcat-verbose.sh
@@ -1,3 +1,8 @@
 #!/usr/bin/env bash
+#
+# SPDX-FileCopyrightText: 2021 The Calyx Institute
+# SPDX-License-Identifier: Apache-2.0
+#
+
 adb shell setprop log.tag.JobScheduler DEBUG
 adb shell setprop log.tag.JobScheduler.ContentObserver DEBUG