feat: Implement KeeShare support for secure group synchronization

.gitignore

@@ -178,3 +178,4 @@ src/java/Keepass2AndroidPluginSDK2/build/generated/mockable-Google-Inc.-Google-A
 /src/MegaTest
 *.dtbcache.json
 /src/keepass2android-app/AndroidManifest.xml
+.DS_Store

.gitignore 2

@@ -0,0 +1,180 @@
+PCtest
+
+*.suo
+*.userprefs
+*.user
+
+bin
+obj
+
+# Makefile-related files
+/allow_git_clean
+/stamp.nuget_*
+
+Resource.designer.cs
+R.java
+
+src/java/kp2akeytransform/kp2akeytransform.zip
+
+/src/keepass2android/todos.cs
+/src/KeePass.userprefs
+/src/keepass2android/Properties/AndroidManifest.xml
+
+/src/java/kbbridge/libs/android-support-v4.jar
+/src/java/KP2ASoftKeyboard/gen
+/src/java/KP2ASoftKeyboard/projectzip
+/src/java/KP2ASoftKeyboard/createProjectZip.bat
+Thumbs.db
+
+/src/monodroid-unittesting/*.suo
+/src/Kp2aUnitTests/TestLoadDbCredentials.cs
+/src/KeePass.sln.DotSettings.user
+/src/KeePass.v11.suo
+
+/src/Kp2aUnitTests/Assets/AboutAssets.txt
+/src/java/KP2ASoftKeyboard/project.zip.tmp
+/src/java/workspace/.metadata
+/src/java/workspace/KP2AKeyboardTest
+/src/keepass2android/*.user
+
+/src/monodroid-unittesting/TestTests
+/src/monodroid-unittesting/MonoDroidUnitTestingExample
+
+/src/monodroid-unittesting
+
+/src/kp2akeytransform/Jars/*.jar
+
+/src/java/KP2ASoftKeyboard/.settings
+
+/src/java/kp2akeytransform/.settings
+
+/src/java/workspace/UITest
+/src/java/JavaFileStorage/gen/keepass2android/javafilestorage/BuildConfig.java
+/src/java/JavaFileStorage/gen/keepass2android/javafilestorage/R.java
+/src/JavaFileStorageTest
+/src/java/workspace/DBRoulette
+/src/java/workspace/JavaFileStorageTest
+/src/java/JavaFileStorage/src/keepass2android/javafilestorage/SecretKeys.java
+/src/java/android-filechooser/code/gen
+/src/java/android-filechooser/code/project.zip
+/src/java/android-filechooser/code/projectzip/res
+
+/src/java/android-filechooser/code/AndroidUnusedResources1.6.2.jar
+/src/java/android-filechooser/code/createProjectZip.bat
+/src/java/android-filechooser/code/projectzip/project.zip
+/src/java/android-filechooser/code/unused.txt
+
+/src/Kp2aBusinessLogic/Io/DropboxFileStorage.g.cs
+
+/src/java/workspace/DriveTest
+
+/src/Components
+
+/src/java/KP2ASoftKeyboard2/java/projectzip
+
+/src/java/.metadata
+
+/src/java/JavaFileStorage/.google_apis/drive-v2/drive
+
+/src/java/JavaFileStorage/.google_apis/drive-v2r102lv1.16.0-rc/drive
+
+/src/java/JavaFileStorage/libs
+
+/src/ArtTestApp.zip
+
+/src/java/KP2ASoftKeyboard/alt
+/src/java/KP2ASoftKeyboard/gen
+/src/java/KP2ASoftKeyboard/projectalt
+/src/java/KP2ASoftKeyboard/projectzip
+/src/java/KP2ASoftKeyboard/projectzip_neu
+
+/src/java/jsch-0.1.50/ChangeLog
+/src/java/jsch-0.1.50/LICENSE.txt
+/src/java/jsch-0.1.50/README
+/src/java/jsch-0.1.50/build.bat
+/src/java/jsch-0.1.50/build.sh
+/src/java/jsch-0.1.50/build.xml
+
+/src/java/jsch-0.1.50/examples
+
+/src/java/yetanotherworkspace
+/src/java/kp2akeytransform - Kopie
+/src/java/workspace
+/src/java/workspace_
+/src/java/workspace_tmp_
+/src/java/JavaFileStorageTest/credentials.txt
+/src/java/JavaFileStorageTest/gen/com/example/javafilestoragetest/BuildConfig.java
+/src/java/JavaFileStorageTest/gen/com/example/javafilestoragetest/R.java
+/src/java/JavaFileStorageTest/gen/com/google/android/gms/R.java
+/src/java/JavaFileStorageTest/gen/group/pals/android/lib/ui/filechooser/R.java
+/src/java/JavaFileStorageTest/gen/keepass2android/javafilestorage/R.java
+
+/src/BindingLibrary1
+
+/src/PluginTOTP
+/src/java/DemoService
+
+/src/java/PluginInputStick/icons
+
+/src/java/MasterKee
+
+/src/PluginSdkBinding/obj/ReleaseNoNet
+/src/MasterKeeWinPlugin/bin/Release
+/src/SamplePlugin
+/src/packages/
+
+*.apk
+
+/src/java/JavaFileStorage/app/build
+/src/java/JavaFileStorage/build
+local.properties
+/src/FtpClientTest/FtpClientExamples
+/src/FtpClientTest
+/src/FtpClientWinTest
+/src/Kp2aUnitTests2
+/src/MaterialTest2
+/src/ResourceGrabberTest
+/src/WebDavAndroid
+/src/java/InputStickAPI/app/build/
+/src/java/KP2ASoftkeyboard_AS/app/build/
+/src/java/PluginInputStick3/pluginInputStick/build/
+/src/java/android-filechooser-AS/app/build/
+/src/java/android-filechooser/out/
+/src/java/PluginInputStick3/inputStickAPI/build/
+/src/java/android-filechooser-AS/.gradle/2.2.1/taskArtifacts/cache.properties
+/src/java/android-filechooser-AS/.gradle/2.2.1/taskArtifacts/cache.properties.lock
+/src/java/Keepass2AndroidPluginSDK2/app/build/
+/src/java/PluginInputStick3/keepass2AndroidPluginSDK/build/
+*.bak
+.idea
+.gradle
+intermediates
+*.iml
+/build
+/src/Kp2aKeyboardBinding/Jars
+/src/java/Kp2aAccServiceLib/app/build
+/src/java/Kp2aAccServiceLib/app/app.iml
+/src/java/Kp2aAccServiceLib/gradle
+adbprompt.ps1
+/src/java/KP2ASoftkeyboard_AS/build/android-profile/*.rawproto
+src/java/KP2ASoftkeyboard_AS/build/generated/mockable-android-23.jar
+*.rawproto
+src/java/Keepass2AndroidPluginSDK2/build/generated/mockable-Google-Inc.-Google-APIs-23.jar
+/src/.vs
+/src/JavaFileStorageBindings/Jars/JavaFileStorage-release.aar
+/src/PluginSdkBinding/Jars/app-debug.aar
+/src/java/KP2AKdbLibrary/libs/arm64-v8a/libfinal-key.so
+/src/java/KP2AKdbLibrary/libs/x86_64/libfinal-key.so
+/src/java/KP2ASoftkeyboard_AS/app/src/main/libs/arm64-v8a/libkp2akeyboard_jni.so
+/src/java/KP2ASoftkeyboard_AS/app/src/main/libs/armeabi-v7a/libkp2akeyboard_jni.so
+/src/java/KP2ASoftkeyboard_AS/app/src/main/libs/x86/libkp2akeyboard_jni.so
+/src/java/KP2ASoftkeyboard_AS/app/src/main/libs/x86_64/libkp2akeyboard_jni.so
+/src/java/KP2AKdbLibrary/app/build
+/src/java/KP2ASoftkeyboard_AS/app/.cxx
+/src/java/KP2ASoftkeyboard_AS/app/src/main/libs
+/src/java/KP2AKdbLibrary/app/.cxx
+/src/ActionViewFilterTest
+/docs/gdrive-verification
+/src/MegaTest
+*.dtbcache.json
+/src/keepass2android-app/AndroidManifest.xml

.gitmodules 2

@@ -0,0 +1,6 @@
+[submodule "src/SamsungPass"]
+	path = src/SamsungPass
+	url = https://github.com/PhilippC/Xamarin-Samsung-Pass.git
+[submodule "src/java/argon2/phc-winner-argon2"]
+	path = src/java/argon2/phc-winner-argon2
+	url = https://github.com/P-H-C/phc-winner-argon2

.pre-commit-config 2.yaml

@@ -0,0 +1,20 @@
+repos:
+
+  # --- License header check ---
+  - repo: local
+    hooks:
+      - id: addlicense-check
+        name: Check for license headers
+        language: system
+        entry: powershell -ExecutionPolicy Bypass -File .\\add-license-hook.ps1
+        pass_filenames: true
+
+  - repo: local
+    hooks:
+      - id: dotnet-format
+        name: Format C# code
+        entry: dotnet format src/KeePass.sln
+        language: system
+        pass_filenames: false
+        types: [file]
+

GPLv3 2.txt

@@ -0,0 +1,14 @@
+This file is part of Keepass2Android, Copyright 2025 Philipp Crocoll. 
+
+  Keepass2Android is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  Keepass2Android is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.