diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a6c4e65831..21b8217669 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1383,7 +1383,6 @@
     <string name="authorizationfailed">Authorization failed</string>
     <string name="overview_show_absinsulin">Absolute insulin</string>
     <string name="master_password_summary">Master password is used for backup encryption and to override security in application. Remember it or store on a safe place.</string>
-    <string name="passwords_dont_match">Passwords don\'t match</string>
     <string name="current_master_password">Current master password</string>
     <string name="statuslights">Status lights</string>
     <string name="statuslights_copy_ns">Copy settings from NS</string>
diff --git a/core/build.gradle b/core/build.gradle
index e74a2eae73..6c0c4ee32a 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -44,6 +44,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation "androidx.preference:preference-ktx:1.1.1"
+    implementation 'androidx.biometric:biometric:1.0.1'
     implementation "androidx.activity:activity:${activityVersion}"
     implementation "androidx.activity:activity-ktx:${activityVersion}"
     implementation 'com.google.android.material:material:1.1.0'
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt b/core/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt
similarity index 98%
rename from app/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt
rename to core/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt
index c58b5628d1..22ef6a1b4a 100644
--- a/app/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt
+++ b/core/src/main/java/info/nightscout/androidaps/utils/protection/BiometricCheck.kt
@@ -3,7 +3,7 @@ package info.nightscout.androidaps.utils.protection
 import androidx.biometric.BiometricConstants
 import androidx.biometric.BiometricPrompt
 import androidx.fragment.app.FragmentActivity
-import info.nightscout.androidaps.R
+import info.nightscout.androidaps.core.R
 import info.nightscout.androidaps.utils.ToastUtils
 import info.nightscout.androidaps.utils.extensions.runOnUiThread
 import java.util.concurrent.Executors
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt b/core/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt
similarity index 99%
rename from app/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt
rename to core/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt
index 5f80c54480..04399eb95f 100644
--- a/app/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt
+++ b/core/src/main/java/info/nightscout/androidaps/utils/protection/PasswordCheck.kt
@@ -7,7 +7,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.widget.EditText
 import androidx.annotation.StringRes
-import info.nightscout.androidaps.R
+import info.nightscout.androidaps.core.R
 import info.nightscout.androidaps.utils.CryptoUtil
 import info.nightscout.androidaps.utils.ToastUtils
 import info.nightscout.androidaps.utils.alertDialogs.AlertDialogHelper
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt b/core/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt
similarity index 79%
rename from app/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt
rename to core/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt
index e8dd73d7fb..ca0a3402a6 100644
--- a/app/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt
+++ b/core/src/main/java/info/nightscout/androidaps/utils/protection/ProtectionCheck.kt
@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.utils.protection
 
 import androidx.fragment.app.FragmentActivity
-import info.nightscout.androidaps.R
+import info.nightscout.androidaps.core.R
 import info.nightscout.androidaps.utils.sharedPreferences.SP
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -42,10 +42,10 @@ class ProtectionCheck @Inject constructor(
 
     fun isLocked(protection: Protection): Boolean {
         return when (ProtectionType.values()[sp.getInt(protectionTypeResourceIDs[protection.ordinal], ProtectionType.NONE.ordinal)]) {
-            ProtectionType.NONE      -> false
-            ProtectionType.BIOMETRIC -> true
-            ProtectionType.MASTER_PASSWORD  -> sp.getString(R.string.key_master_password, "") != ""
-            ProtectionType.CUSTOM_PASSWORD  -> sp.getString(passwordsResourceIDs[protection.ordinal], "") != ""
+            ProtectionType.NONE            -> false
+            ProtectionType.BIOMETRIC       -> true
+            ProtectionType.MASTER_PASSWORD -> sp.getString(R.string.key_master_password, "") != ""
+            ProtectionType.CUSTOM_PASSWORD -> sp.getString(passwordsResourceIDs[protection.ordinal], "") != ""
         }
     }
 
@@ -53,13 +53,13 @@ class ProtectionCheck @Inject constructor(
     fun queryProtection(activity: FragmentActivity, protection: Protection,
                         ok: Runnable?, cancel: Runnable? = null, fail: Runnable? = null) {
         when (ProtectionType.values()[sp.getInt(protectionTypeResourceIDs[protection.ordinal], ProtectionType.NONE.ordinal)]) {
-            ProtectionType.NONE      ->
+            ProtectionType.NONE            ->
                 ok?.run()
-            ProtectionType.BIOMETRIC ->
+            ProtectionType.BIOMETRIC       ->
                 BiometricCheck.biometricPrompt(activity, titleResourceIDs[protection.ordinal], ok, cancel, fail, passwordCheck)
-            ProtectionType.MASTER_PASSWORD  ->
+            ProtectionType.MASTER_PASSWORD ->
                 passwordCheck.queryPassword(activity, R.string.master_password, R.string.key_master_password, { ok?.run() }, { cancel?.run() }, { fail?.run() })
-            ProtectionType.CUSTOM_PASSWORD  ->
+            ProtectionType.CUSTOM_PASSWORD ->
                 passwordCheck.queryPassword(activity, titleResourceIDs[protection.ordinal], passwordsResourceIDs[protection.ordinal], { ok?.run() }, { cancel?.run() }, { fail?.run() })
         }
     }
diff --git a/app/src/main/res/drawable/ic_header_key.xml b/core/src/main/res/drawable/ic_header_key.xml
similarity index 100%
rename from app/src/main/res/drawable/ic_header_key.xml
rename to core/src/main/res/drawable/ic_header_key.xml
diff --git a/app/src/main/res/layout/passwordprompt.xml b/core/src/main/res/layout/passwordprompt.xml
similarity index 100%
rename from app/src/main/res/layout/passwordprompt.xml
rename to core/src/main/res/layout/passwordprompt.xml
diff --git a/app/src/main/res/values-af-rZA/protection.xml b/core/src/main/res/values-af-rZA/protection.xml
similarity index 100%
rename from app/src/main/res/values-af-rZA/protection.xml
rename to core/src/main/res/values-af-rZA/protection.xml
diff --git a/app/src/main/res/values-ar-rSA/protection.xml b/core/src/main/res/values-ar-rSA/protection.xml
similarity index 100%
rename from app/src/main/res/values-ar-rSA/protection.xml
rename to core/src/main/res/values-ar-rSA/protection.xml
diff --git a/app/src/main/res/values-bg-rBG/protection.xml b/core/src/main/res/values-bg-rBG/protection.xml
similarity index 100%
rename from app/src/main/res/values-bg-rBG/protection.xml
rename to core/src/main/res/values-bg-rBG/protection.xml
diff --git a/app/src/main/res/values-cs-rCZ/protection.xml b/core/src/main/res/values-cs-rCZ/protection.xml
similarity index 100%
rename from app/src/main/res/values-cs-rCZ/protection.xml
rename to core/src/main/res/values-cs-rCZ/protection.xml
diff --git a/app/src/main/res/values-cy-rGB/protection.xml b/core/src/main/res/values-cy-rGB/protection.xml
similarity index 100%
rename from app/src/main/res/values-cy-rGB/protection.xml
rename to core/src/main/res/values-cy-rGB/protection.xml
diff --git a/app/src/main/res/values-de-rDE/protection.xml b/core/src/main/res/values-de-rDE/protection.xml
similarity index 100%
rename from app/src/main/res/values-de-rDE/protection.xml
rename to core/src/main/res/values-de-rDE/protection.xml
diff --git a/app/src/main/res/values-el-rGR/protection.xml b/core/src/main/res/values-el-rGR/protection.xml
similarity index 100%
rename from app/src/main/res/values-el-rGR/protection.xml
rename to core/src/main/res/values-el-rGR/protection.xml
diff --git a/app/src/main/res/values-es-rES/protection.xml b/core/src/main/res/values-es-rES/protection.xml
similarity index 100%
rename from app/src/main/res/values-es-rES/protection.xml
rename to core/src/main/res/values-es-rES/protection.xml
diff --git a/app/src/main/res/values-fi-rFI/protection.xml b/core/src/main/res/values-fi-rFI/protection.xml
similarity index 100%
rename from app/src/main/res/values-fi-rFI/protection.xml
rename to core/src/main/res/values-fi-rFI/protection.xml
diff --git a/app/src/main/res/values-fr-rFR/protection.xml b/core/src/main/res/values-fr-rFR/protection.xml
similarity index 100%
rename from app/src/main/res/values-fr-rFR/protection.xml
rename to core/src/main/res/values-fr-rFR/protection.xml
diff --git a/app/src/main/res/values-ga-rIE/protection.xml b/core/src/main/res/values-ga-rIE/protection.xml
similarity index 100%
rename from app/src/main/res/values-ga-rIE/protection.xml
rename to core/src/main/res/values-ga-rIE/protection.xml
diff --git a/app/src/main/res/values-hr-rHR/protection.xml b/core/src/main/res/values-hr-rHR/protection.xml
similarity index 100%
rename from app/src/main/res/values-hr-rHR/protection.xml
rename to core/src/main/res/values-hr-rHR/protection.xml
diff --git a/app/src/main/res/values-it-rIT/protection.xml b/core/src/main/res/values-it-rIT/protection.xml
similarity index 100%
rename from app/src/main/res/values-it-rIT/protection.xml
rename to core/src/main/res/values-it-rIT/protection.xml
diff --git a/app/src/main/res/values-iw-rIL/protection.xml b/core/src/main/res/values-iw-rIL/protection.xml
similarity index 100%
rename from app/src/main/res/values-iw-rIL/protection.xml
rename to core/src/main/res/values-iw-rIL/protection.xml
diff --git a/app/src/main/res/values-ja-rJP/protection.xml b/core/src/main/res/values-ja-rJP/protection.xml
similarity index 100%
rename from app/src/main/res/values-ja-rJP/protection.xml
rename to core/src/main/res/values-ja-rJP/protection.xml
diff --git a/app/src/main/res/values-ko-rKR/protection.xml b/core/src/main/res/values-ko-rKR/protection.xml
similarity index 100%
rename from app/src/main/res/values-ko-rKR/protection.xml
rename to core/src/main/res/values-ko-rKR/protection.xml
diff --git a/app/src/main/res/values-lt-rLT/protection.xml b/core/src/main/res/values-lt-rLT/protection.xml
similarity index 100%
rename from app/src/main/res/values-lt-rLT/protection.xml
rename to core/src/main/res/values-lt-rLT/protection.xml
diff --git a/app/src/main/res/values-nl-rNL/protection.xml b/core/src/main/res/values-nl-rNL/protection.xml
similarity index 100%
rename from app/src/main/res/values-nl-rNL/protection.xml
rename to core/src/main/res/values-nl-rNL/protection.xml
diff --git a/app/src/main/res/values-pl-rPL/protection.xml b/core/src/main/res/values-pl-rPL/protection.xml
similarity index 100%
rename from app/src/main/res/values-pl-rPL/protection.xml
rename to core/src/main/res/values-pl-rPL/protection.xml
diff --git a/app/src/main/res/values-pt-rBR/protection.xml b/core/src/main/res/values-pt-rBR/protection.xml
similarity index 100%
rename from app/src/main/res/values-pt-rBR/protection.xml
rename to core/src/main/res/values-pt-rBR/protection.xml
diff --git a/app/src/main/res/values-pt-rPT/protection.xml b/core/src/main/res/values-pt-rPT/protection.xml
similarity index 100%
rename from app/src/main/res/values-pt-rPT/protection.xml
rename to core/src/main/res/values-pt-rPT/protection.xml
diff --git a/app/src/main/res/values-ro-rRO/protection.xml b/core/src/main/res/values-ro-rRO/protection.xml
similarity index 100%
rename from app/src/main/res/values-ro-rRO/protection.xml
rename to core/src/main/res/values-ro-rRO/protection.xml
diff --git a/app/src/main/res/values-ru-rRU/protection.xml b/core/src/main/res/values-ru-rRU/protection.xml
similarity index 100%
rename from app/src/main/res/values-ru-rRU/protection.xml
rename to core/src/main/res/values-ru-rRU/protection.xml
diff --git a/app/src/main/res/values-sk-rSK/protection.xml b/core/src/main/res/values-sk-rSK/protection.xml
similarity index 100%
rename from app/src/main/res/values-sk-rSK/protection.xml
rename to core/src/main/res/values-sk-rSK/protection.xml
diff --git a/app/src/main/res/values-sl-rSI/protection.xml b/core/src/main/res/values-sl-rSI/protection.xml
similarity index 100%
rename from app/src/main/res/values-sl-rSI/protection.xml
rename to core/src/main/res/values-sl-rSI/protection.xml
diff --git a/app/src/main/res/values-sv-rSE/protection.xml b/core/src/main/res/values-sv-rSE/protection.xml
similarity index 100%
rename from app/src/main/res/values-sv-rSE/protection.xml
rename to core/src/main/res/values-sv-rSE/protection.xml
diff --git a/app/src/main/res/values-tr-rTR/protection.xml b/core/src/main/res/values-tr-rTR/protection.xml
similarity index 100%
rename from app/src/main/res/values-tr-rTR/protection.xml
rename to core/src/main/res/values-tr-rTR/protection.xml
diff --git a/app/src/main/res/values-zh-rCN/protection.xml b/core/src/main/res/values-zh-rCN/protection.xml
similarity index 100%
rename from app/src/main/res/values-zh-rCN/protection.xml
rename to core/src/main/res/values-zh-rCN/protection.xml
diff --git a/app/src/main/res/values/protection.xml b/core/src/main/res/values/protection.xml
similarity index 100%
rename from app/src/main/res/values/protection.xml
rename to core/src/main/res/values/protection.xml
diff --git a/core/src/main/res/values/strings.xml b/core/src/main/res/values/strings.xml
index af37bbf430..7ee787c54d 100644
--- a/core/src/main/res/values/strings.xml
+++ b/core/src/main/res/values/strings.xml
@@ -127,6 +127,10 @@
     <string name="shortminute">m</string>
     <string name="shortday">d</string>
 
+    <!--    Protection-->
+    <string name="wrongpassword">Wrong password</string>
+    <string name="passwords_dont_match">Passwords don\'t match</string>
+
     <!--    Profile-->
     <string name="basalprofilenotaligned">Basal values not aligned to hours: %1$s</string>
     <string name="minimalbasalvaluereplaced">Basal value replaced by minimal supported value: %1$s</string>
diff --git a/dana/src/main/res/values/strings.xml b/dana/src/main/res/values/strings.xml
index bf26707ffc..d086aab28f 100644
--- a/dana/src/main/res/values/strings.xml
+++ b/dana/src/main/res/values/strings.xml
@@ -67,7 +67,6 @@
     <string name="updatingbasalrates">Updating basal rates</string>
     <string name="settingtempbasal">Setting temp basal</string>
     <string name="waitingfortimesynchronization">Waiting for time synchronization (%1$d sec)</string>
-    <string name="wrongpassword">Wrong password</string>
     <string name="wrongpumppassword">Wrong pump password!</string>
     <string name="danar_history_alarm">Alarms</string>
     <string name="danar_history_basalhours">Basal Hours</string>