diff --git a/automotive/OWNERS b/automotive/OWNERS
index 83ee63c..fb3e3d6 100644
--- a/automotive/OWNERS
+++ b/automotive/OWNERS
@@ -3,3 +3,4 @@
 pfg@google.com
 gurunagarajan@google.com
 keunyoung@google.com
+felipeal@google.com
diff --git a/biometrics/fingerprint/aidl/Android.bp b/biometrics/fingerprint/aidl/Android.bp
new file mode 100644
index 0000000..e6baa8a
--- /dev/null
+++ b/biometrics/fingerprint/aidl/Android.bp
@@ -0,0 +1,19 @@
+aidl_interface {
+    name: "android.hardware.biometrics.fingerprint",
+    vendor_available: true,
+    srcs: [
+        "android/hardware/biometrics/fingerprint/**/*.aidl",
+    ],
+    imports: [
+        "android.hardware.keymaster",
+    ],
+    stability: "vintf",
+    backend: {
+        java: {
+            platform_apis: true,
+        },
+        cpp: {
+            enabled: false,
+        },
+    },
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
new file mode 100644
index 0000000..329a35d
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@Backing(type="byte") @VintfStability
+enum AcquiredInfo {
+  GOOD = 0,
+  PARTIAL = 1,
+  INSUFFICIENT = 2,
+  SENSOR_DIRTY = 3,
+  TOO_SLOW = 4,
+  TOO_FAST = 5,
+  START = 6,
+  VENDOR = 7,
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
new file mode 100644
index 0000000..0298c12
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
@@ -0,0 +1,30 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@Backing(type="byte") @VintfStability
+enum Error {
+  HW_UNAVAILABLE = 0,
+  UNABLE_TO_PROCESS = 1,
+  TIMEOUT = 2,
+  NO_SPACE = 3,
+  CANCELED = 4,
+  UNABLE_TO_REMOVE = 5,
+  LOCKOUT = 6,
+  LOCKOUT_PERMANENT = 7,
+  VENDOR = 8,
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl
new file mode 100644
index 0000000..6f3d2db
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface ICancellationSignal {
+  oneway void cancel();
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl
new file mode 100644
index 0000000..a376acf
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl
@@ -0,0 +1,26 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface IFingerprint {
+  android.hardware.biometrics.fingerprint.SensorProps[] getSensorProps();
+  android.hardware.biometrics.fingerprint.ISession createSession(in int sensorId, in int userId, in android.hardware.biometrics.fingerprint.ISessionCallback cb);
+  void setResetLockoutCallback(in android.hardware.biometrics.fingerprint.IResetLockoutCallback cb);
+  void generateChallenge(in int sensorId, in int userId, in long keystoreOperationId, in int timeoutSec, in android.hardware.biometrics.fingerprint.IGenerateChallengeCallback cb);
+  void revokeChallenge(in int sensorId, in int userId, in android.hardware.biometrics.fingerprint.IRevokeChallengeCallback cb);
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl
new file mode 100644
index 0000000..eaf27d2
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface IGenerateChallengeCallback {
+  oneway void onChallengeGenerated(in int sensorId, in int userId, in long keystoreOperationId, in long challenge);
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl
new file mode 100644
index 0000000..ac0decd
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface IResetLockoutCallback {
+  oneway void onLockoutReset(in int sensorId, in int userId, in long durationMilli);
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl
new file mode 100644
index 0000000..23fc10f
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface IRevokeChallengeCallback {
+  oneway void onChallengeRevoked(in int sensorId, in int userId, in long challenge);
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl
new file mode 100644
index 0000000..4b71527
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl
@@ -0,0 +1,31 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface ISession {
+  android.hardware.biometrics.fingerprint.ICancellationSignal enroll(in int cookie, in android.hardware.keymaster.HardwareAuthToken hat);
+  android.hardware.biometrics.fingerprint.ICancellationSignal authenticate(in int cookie, in long keystoreOperationId);
+  android.hardware.biometrics.fingerprint.ICancellationSignal detectInteraction(in int cookie);
+  void enumerateEnrollments(in int cookie);
+  void removeEnrollments(in int cookie, in int[] enrollmentIds);
+  void getAuthenticatorId(in int cookie);
+  void resetLockout(in int cookie, in android.hardware.keymaster.HardwareAuthToken hat);
+  void onPointerDown(in int pointerId, in int x, in int y, in float minor, in float major);
+  void onPointerUp(in int pointerId);
+  void onUiReady();
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
new file mode 100644
index 0000000..f50554b
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+interface ISessionCallback {
+  void onStateChanged(in int cookie, in android.hardware.biometrics.fingerprint.SessionState state);
+  void onAcquired(in android.hardware.biometrics.fingerprint.AcquiredInfo info, in int vendorCode);
+  void onError(in android.hardware.biometrics.fingerprint.Error error, in int vendorCode);
+  void onEnrollmentProgress(in int enrollmentId, int remaining, int vendorCode);
+  void onAuthenticated(in int enrollmentId, in android.hardware.keymaster.HardwareAuthToken hat);
+  void onInteractionDetected();
+  void onEnrollmentsEnumerated(in int[] enrollmentIds);
+  void onEnrollmentsRemoved(in int[] enrollmentIds);
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl
new file mode 100644
index 0000000..c30e35d
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl
@@ -0,0 +1,24 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@VintfStability
+parcelable SensorProps {
+  int sensorId;
+  android.hardware.biometrics.fingerprint.SensorType sensorType;
+  boolean resetLockoutRequiresHardwareAuthToken;
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
new file mode 100644
index 0000000..2aaf94f
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
@@ -0,0 +1,27 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@Backing(type="byte") @VintfStability
+enum SensorType {
+  UNKNOWN = 0,
+  REAR = 1,
+  UNDER_DISPLAY_ULTRASONIC = 2,
+  UNDER_DISPLAY_OPTICAL = 3,
+  POWER_BUTTON = 4,
+  HOME_BUTTON = 5,
+}
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SessionState.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SessionState.aidl
new file mode 100644
index 0000000..38ca1e0
--- /dev/null
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SessionState.aidl
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.biometrics.fingerprint;
+@Backing(type="byte") @VintfStability
+enum SessionState {
+  IDLING = 0,
+  ENROLLING = 1,
+  AUTHENTICATING = 2,
+  DETECTING_INTERACTION = 3,
+  ENUMERATING_ENROLLMENTS = 4,
+  REMOVING_ENROLLMENTS = 5,
+  GETTING_AUTHENTICATOR_ID = 6,
+  RESETTING_LOCKOUT = 7,
+}
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
new file mode 100644
index 0000000..8cb7833
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+@Backing(type="byte")
+enum AcquiredInfo {
+    GOOD,
+    PARTIAL,
+    INSUFFICIENT,
+    SENSOR_DIRTY,
+    TOO_SLOW,
+    TOO_FAST,
+    START,
+    VENDOR
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
new file mode 100644
index 0000000..cc79de7
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+@Backing(type="byte")
+enum Error {
+    HW_UNAVAILABLE,
+    UNABLE_TO_PROCESS,
+    TIMEOUT,
+    NO_SPACE,
+    CANCELED,
+    UNABLE_TO_REMOVE,
+    LOCKOUT,
+    LOCKOUT_PERMANENT,
+    VENDOR
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl
new file mode 100644
index 0000000..abfbb2a
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ICancellationSignal.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+oneway interface ICancellationSignal {
+    void cancel();
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl
new file mode 100644
index 0000000..9aafeab
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+import android.hardware.biometrics.fingerprint.IGenerateChallengeCallback;
+import android.hardware.biometrics.fingerprint.IResetLockoutCallback;
+import android.hardware.biometrics.fingerprint.IRevokeChallengeCallback;
+import android.hardware.biometrics.fingerprint.ISession;
+import android.hardware.biometrics.fingerprint.ISessionCallback;
+import android.hardware.biometrics.fingerprint.SensorProps;
+
+@VintfStability
+interface IFingerprint {
+    SensorProps[] getSensorProps();
+
+    ISession createSession(in int sensorId, in int userId, in ISessionCallback cb);
+
+    void setResetLockoutCallback(in IResetLockoutCallback cb);
+
+    void generateChallenge(in int sensorId, in int userId, in long keystoreOperationId, in int timeoutSec, in IGenerateChallengeCallback cb);
+
+    void revokeChallenge(in int sensorId, in int userId, in IRevokeChallengeCallback cb);
+}
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl
new file mode 100644
index 0000000..93a2d7b
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IGenerateChallengeCallback.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+oneway interface IGenerateChallengeCallback {
+    void onChallengeGenerated(in int sensorId, in int userId, in long keystoreOperationId, in long challenge);
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl
new file mode 100644
index 0000000..d97a701
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IResetLockoutCallback.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+oneway interface IResetLockoutCallback {
+    void onLockoutReset(in int sensorId, in int userId, in long durationMilli);
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl
new file mode 100644
index 0000000..cca3453
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IRevokeChallengeCallback.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+oneway interface IRevokeChallengeCallback {
+    void onChallengeRevoked(in int sensorId, in int userId, in long challenge);
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl
new file mode 100644
index 0000000..78da7ae
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+import android.hardware.biometrics.fingerprint.ICancellationSignal;
+import android.hardware.keymaster.HardwareAuthToken;
+
+@VintfStability
+interface ISession {
+    /**
+     * Methods applicable to any fingerprint type.
+     */
+
+    ICancellationSignal enroll(in int cookie, in HardwareAuthToken hat);
+
+    ICancellationSignal authenticate(in int cookie, in long keystoreOperationId);
+
+    ICancellationSignal detectInteraction(in int cookie);
+
+    void enumerateEnrollments(in int cookie);
+
+    void removeEnrollments(in int cookie, in int[] enrollmentIds);
+
+    void getAuthenticatorId(in int cookie);
+
+    void resetLockout(in int cookie, in HardwareAuthToken hat);
+
+
+    /**
+     * Methods for notifying the under-display fingerprint sensor about external events.
+     */
+
+    void onPointerDown(in int pointerId, in int x, in int y, in float minor, in float major);
+
+    void onPointerUp(in int pointerId);
+
+    void onUiReady();
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
new file mode 100644
index 0000000..655f030
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+import android.hardware.biometrics.fingerprint.AcquiredInfo;
+import android.hardware.biometrics.fingerprint.Error;
+import android.hardware.biometrics.fingerprint.SessionState;
+import android.hardware.keymaster.HardwareAuthToken;
+
+@VintfStability
+interface ISessionCallback {
+    void onStateChanged(in int cookie, in SessionState state);
+
+    void onAcquired(in AcquiredInfo info, in int vendorCode);
+
+    void onError(in Error error, in int vendorCode);
+
+    void onEnrollmentProgress(in int enrollmentId, int remaining, int vendorCode);
+
+    void onAuthenticated(in int enrollmentId, in HardwareAuthToken hat);
+
+    void onInteractionDetected();
+
+    void onEnrollmentsEnumerated(in int[] enrollmentIds);
+
+    void onEnrollmentsRemoved(in int[] enrollmentIds);
+}
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
new file mode 100644
index 0000000..bbb1ecb6
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+import android.hardware.biometrics.fingerprint.SensorType;
+
+@VintfStability
+parcelable SensorProps {
+    int sensorId;
+
+    SensorType sensorType;
+
+    boolean resetLockoutRequiresHardwareAuthToken;
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl
new file mode 100644
index 0000000..589e737
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+@Backing(type="byte")
+enum SensorType {
+    UNKNOWN,
+    REAR,
+    UNDER_DISPLAY_ULTRASONIC,
+    UNDER_DISPLAY_OPTICAL,
+    POWER_BUTTON,
+    HOME_BUTTON
+}
+
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SessionState.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SessionState.aidl
new file mode 100644
index 0000000..3b4ba18
--- /dev/null
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SessionState.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.biometrics.fingerprint;
+
+@VintfStability
+@Backing(type="byte")
+enum SessionState {
+    IDLING,
+    ENROLLING,
+    AUTHENTICATING,
+    DETECTING_INTERACTION,
+    ENUMERATING_ENROLLMENTS,
+    REMOVING_ENROLLMENTS,
+    GETTING_AUTHENTICATOR_ID,
+    RESETTING_LOCKOUT
+}
+
diff --git a/biometrics/fingerprint/aidl/default/Android.bp b/biometrics/fingerprint/aidl/default/Android.bp
new file mode 100644
index 0000000..f2536d4
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/Android.bp
@@ -0,0 +1,17 @@
+cc_binary {
+    name: "android.hardware.biometrics.fingerprint-service.example",
+    relative_install_path: "hw",
+    init_rc: ["fingerprint-default.rc"],
+    vintf_fragments: ["fingerprint-default.xml"],
+    vendor: true,
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "android.hardware.biometrics.fingerprint-ndk_platform",
+    ],
+    srcs: [
+        "main.cpp",
+        "Fingerprint.cpp",
+        "Session.cpp",
+    ],
+}
diff --git a/biometrics/fingerprint/aidl/default/Fingerprint.cpp b/biometrics/fingerprint/aidl/default/Fingerprint.cpp
new file mode 100644
index 0000000..6f9e3a0
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/Fingerprint.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Fingerprint.h"
+#include "Session.h"
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+
+ndk::ScopedAStatus Fingerprint::getSensorProps(std::vector<SensorProps>* /*return_val*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Fingerprint::createSession(int32_t /*sensorId*/, int32_t /*userId*/,
+                                              const std::shared_ptr<ISessionCallback>& cb,
+                                              std::shared_ptr<ISession>* return_val) {
+    *return_val = SharedRefBase::make<Session>(cb);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Fingerprint::setResetLockoutCallback(
+        const std::shared_ptr<IResetLockoutCallback>& /*cb*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Fingerprint::generateChallenge(
+        int32_t /*sensorId*/, int32_t /*userId*/, int64_t /*keystoreOperationId*/,
+        int32_t /*timeoutSec*/, const std::shared_ptr<IGenerateChallengeCallback>& /*cb*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Fingerprint::revokeChallenge(
+        int32_t /*sensorId*/, int32_t /*userId*/,
+        const std::shared_ptr<IRevokeChallengeCallback>& /*cb*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint
diff --git a/biometrics/fingerprint/aidl/default/Fingerprint.h b/biometrics/fingerprint/aidl/default/Fingerprint.h
new file mode 100644
index 0000000..9f04893
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/Fingerprint.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/biometrics/fingerprint/BnFingerprint.h>
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+
+class Fingerprint : public BnFingerprint {
+  public:
+    ndk::ScopedAStatus getSensorProps(std::vector<SensorProps>* _aidl_return) override;
+
+    ndk::ScopedAStatus createSession(int32_t sensorId, int32_t userId,
+                                     const std::shared_ptr<ISessionCallback>& cb,
+                                     std::shared_ptr<ISession>* _aidl_return) override;
+
+    ndk::ScopedAStatus setResetLockoutCallback(
+            const std::shared_ptr<IResetLockoutCallback>& cb) override;
+
+    ndk::ScopedAStatus generateChallenge(
+            int32_t sensorId, int32_t userId, int64_t keystoreOperationId, int32_t timeoutSec,
+            const std::shared_ptr<IGenerateChallengeCallback>& cb) override;
+
+    ndk::ScopedAStatus revokeChallenge(
+            int32_t sensorId, int32_t userId,
+            const std::shared_ptr<IRevokeChallengeCallback>& cb) override;
+};
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint
diff --git a/biometrics/fingerprint/aidl/default/Session.cpp b/biometrics/fingerprint/aidl/default/Session.cpp
new file mode 100644
index 0000000..5eb3134
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/Session.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <aidl/android/hardware/biometrics/fingerprint/BnCancellationSignal.h>
+
+#include "Session.h"
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+
+class CancellationSignal : public BnCancellationSignal {
+  public:
+    ndk::ScopedAStatus cancel() override { return ndk::ScopedAStatus::ok(); }
+};
+
+Session::Session(std::shared_ptr<ISessionCallback> cb) : cb_(std::move(cb)) {}
+
+ndk::ScopedAStatus Session::enroll(int32_t /*cookie*/, const keymaster::HardwareAuthToken& /*hat*/,
+                                   std::shared_ptr<ICancellationSignal>* /*return_val*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::authenticate(int32_t /*cookie*/, int64_t /*keystoreOperationId*/,
+                                         std::shared_ptr<ICancellationSignal>* return_val) {
+    if (cb_) {
+        cb_->onStateChanged(0, SessionState::AUTHENTICATING);
+    }
+    *return_val = SharedRefBase::make<CancellationSignal>();
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::detectInteraction(
+        int32_t /*cookie*/, std::shared_ptr<ICancellationSignal>* /*return_val*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::enumerateEnrollments(int32_t /*cookie*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::removeEnrollments(int32_t /*cookie*/,
+                                              const std::vector<int32_t>& /*enrollmentIds*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::getAuthenticatorId(int32_t /*cookie*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::resetLockout(int32_t /*cookie*/,
+                                         const keymaster::HardwareAuthToken& /*hat*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::onPointerDown(int32_t /*pointerId*/, int32_t /*x*/, int32_t /*y*/,
+                                          float /*minor*/, float /*major*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::onPointerUp(int32_t /*pointerId*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Session::onUiReady() {
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint
diff --git a/biometrics/fingerprint/aidl/default/Session.h b/biometrics/fingerprint/aidl/default/Session.h
new file mode 100644
index 0000000..69950fb
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/Session.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/biometrics/fingerprint/BnSession.h>
+#include <aidl/android/hardware/biometrics/fingerprint/ISessionCallback.h>
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+
+namespace aidl::android::hardware::keymaster = keymaster;
+
+class Session : public BnSession {
+  public:
+    explicit Session(std::shared_ptr<ISessionCallback> cb);
+
+    ndk::ScopedAStatus enroll(int32_t cookie, const keymaster::HardwareAuthToken& hat,
+                              std::shared_ptr<ICancellationSignal>* return_val) override;
+
+    ndk::ScopedAStatus authenticate(int32_t cookie, int64_t keystoreOperationId,
+                                    std::shared_ptr<ICancellationSignal>* return_val) override;
+
+    ndk::ScopedAStatus detectInteraction(int32_t cookie,
+                                         std::shared_ptr<ICancellationSignal>* return_val) override;
+
+    ndk::ScopedAStatus enumerateEnrollments(int32_t cookie) override;
+
+    ndk::ScopedAStatus removeEnrollments(int32_t cookie,
+                                         const std::vector<int32_t>& enrollmentIds) override;
+
+    ndk::ScopedAStatus getAuthenticatorId(int32_t cookie) override;
+
+    ndk::ScopedAStatus resetLockout(int32_t cookie,
+                                    const keymaster::HardwareAuthToken& hat) override;
+
+    ndk::ScopedAStatus onPointerDown(int32_t pointerId, int32_t x, int32_t y, float minor,
+                                     float major) override;
+
+    ndk::ScopedAStatus onPointerUp(int32_t pointerId) override;
+
+    ndk::ScopedAStatus onUiReady() override;
+
+  private:
+    std::shared_ptr<ISessionCallback> cb_;
+};
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint
diff --git a/biometrics/fingerprint/aidl/default/fingerprint-default.rc b/biometrics/fingerprint/aidl/default/fingerprint-default.rc
new file mode 100644
index 0000000..eb62c56
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/fingerprint-default.rc
@@ -0,0 +1,5 @@
+service vendor.fingerprint-default /vendor/bin/hw/android.hardware.biometrics.fingerprint-service.example
+    class hal
+    user nobody
+    group nobody
+
diff --git a/biometrics/fingerprint/aidl/default/fingerprint-default.xml b/biometrics/fingerprint/aidl/default/fingerprint-default.xml
new file mode 100644
index 0000000..89da765
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/fingerprint-default.xml
@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.biometrics.fingerprint</name>
+        <fqname>IFingerprint/default</fqname>
+    </hal>
+</manifest>
diff --git a/biometrics/fingerprint/aidl/default/main.cpp b/biometrics/fingerprint/aidl/default/main.cpp
new file mode 100644
index 0000000..058a008
--- /dev/null
+++ b/biometrics/fingerprint/aidl/default/main.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Fingerprint.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::biometrics::fingerprint::Fingerprint;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<Fingerprint> hal = ndk::SharedRefBase::make<Fingerprint>();
+
+    const std::string instance = std::string(Fingerprint::descriptor) + "/default";
+    binder_status_t status = AServiceManager_addService(hal->asBinder().get(), instance.c_str());
+    CHECK(status == STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}
diff --git a/biometrics/fingerprint/aidl/vts/Android.bp b/biometrics/fingerprint/aidl/vts/Android.bp
new file mode 100644
index 0000000..b441eb3
--- /dev/null
+++ b/biometrics/fingerprint/aidl/vts/Android.bp
@@ -0,0 +1,16 @@
+cc_test {
+    name: "VtsHalBiometricsFingerprintTargetTest",
+    defaults: [
+        "VtsHalTargetTestDefaults",
+        "use_libaidlvintf_gtest_helper_static",
+    ],
+    srcs: ["VtsHalBiometricsFingerprintTargetTest.cpp"],
+    shared_libs: [
+        "libbinder_ndk",
+        "android.hardware.biometrics.fingerprint-ndk_platform",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
diff --git a/biometrics/fingerprint/aidl/vts/VtsHalBiometricsFingerprintTargetTest.cpp b/biometrics/fingerprint/aidl/vts/VtsHalBiometricsFingerprintTargetTest.cpp
new file mode 100644
index 0000000..88980bf
--- /dev/null
+++ b/biometrics/fingerprint/aidl/vts/VtsHalBiometricsFingerprintTargetTest.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <aidl/android/hardware/biometrics/fingerprint/BnFingerprint.h>
+#include <aidl/android/hardware/biometrics/fingerprint/BnSessionCallback.h>
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include <future>
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+namespace {
+
+constexpr int kSensorId = 0;
+constexpr int kUserId = 0;
+constexpr auto kCallbackTimeout = std::chrono::seconds(1);
+
+enum class SessionCallbackMethodName {
+    kOnStateChanged,
+};
+
+struct SessionCallbackInvocation {
+    SessionCallbackMethodName method_name;
+    SessionState state;
+};
+
+class SessionCallback : public BnSessionCallback {
+  public:
+    explicit SessionCallback(std::promise<SessionCallbackInvocation> invocation_promise)
+        : invocation_promise_(std::move(invocation_promise)) {}
+
+    ndk::ScopedAStatus onStateChanged(int32_t /*cookie*/, SessionState state) override {
+        SessionCallbackInvocation invocation = {};
+        invocation.method_name = SessionCallbackMethodName::kOnStateChanged;
+        invocation.state = state;
+        invocation_promise_.set_value(invocation);
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onAcquired(AcquiredInfo /*info*/, int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onError(Error /*error*/, int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onEnrollmentProgress(int32_t /*enrollmentId*/, int32_t /*remaining*/,
+                                            int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onAuthenticated(int32_t /*enrollmentId*/,
+                                       const keymaster::HardwareAuthToken& /*hat*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onInteractionDetected() override { return ndk::ScopedAStatus::ok(); }
+
+    ndk::ScopedAStatus onEnrollmentsEnumerated(
+            const std::vector<int32_t>& /*enrollmentIds*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onEnrollmentsRemoved(
+            const std::vector<int32_t>& /*enrollmentIds*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+  private:
+    std::promise<SessionCallbackInvocation> invocation_promise_;
+};
+
+class Fingerprint : public testing::TestWithParam<std::string> {
+  protected:
+    void SetUp() override {
+        AIBinder* binder = AServiceManager_waitForService(GetParam().c_str());
+        ASSERT_NE(binder, nullptr);
+        hal_ = IFingerprint::fromBinder(ndk::SpAIBinder(binder));
+    }
+
+    std::shared_ptr<IFingerprint> hal_;
+};
+
+TEST_P(Fingerprint, AuthenticateTest) {
+    std::promise<SessionCallbackInvocation> invocation_promise;
+    std::future<SessionCallbackInvocation> invocation_future = invocation_promise.get_future();
+    std::shared_ptr<SessionCallback> session_cb =
+            ndk::SharedRefBase::make<SessionCallback>(std::move(invocation_promise));
+
+    std::shared_ptr<ISession> session;
+    ASSERT_TRUE(hal_->createSession(kSensorId, kUserId, session_cb, &session).isOk());
+
+    std::shared_ptr<ICancellationSignal> cancel_cb;
+    ASSERT_TRUE(session->authenticate(0, 0, &cancel_cb).isOk());
+    ASSERT_EQ(invocation_future.wait_for(kCallbackTimeout), std::future_status::ready);
+
+    SessionCallbackInvocation invocation = invocation_future.get();
+    EXPECT_EQ(invocation.method_name, SessionCallbackMethodName::kOnStateChanged);
+    EXPECT_EQ(invocation.state, SessionState::AUTHENTICATING);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(Fingerprint);
+INSTANTIATE_TEST_SUITE_P(
+        IFingerprint, Fingerprint,
+        testing::ValuesIn(::android::getAidlHalInstanceNames(IFingerprint::descriptor)),
+        ::android::PrintInstanceNameToString);
+
+}  // namespace
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+    return RUN_ALL_TESTS();
+}
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 772c9cd..cfd6d1c 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -100,6 +100,13 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.biometrics.fingerprint</name>
+        <interface>
+            <name>IFingerprint</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.bluetooth</name>
         <version>1.0-1</version>
diff --git a/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp b/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
index 70bee35..ede1600 100644
--- a/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
+++ b/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
@@ -1209,6 +1209,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type);
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CompilationCachingTest);
 INSTANTIATE_TEST_SUITE_P(TestCompilationCaching, CompilationCachingTest,
                          testing::Combine(kNamedDeviceChoices, kOperandTypeChoices),
                          printCompilationCachingTest);
@@ -1365,6 +1366,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type + "_" + std::to_string(seed));
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CompilationCachingSecurityTest);
 INSTANTIATE_TEST_SUITE_P(TestCompilationCaching, CompilationCachingSecurityTest,
                          testing::Combine(kNamedDeviceChoices, kOperandTypeChoices,
                                           testing::Range(0U, 10U)),
diff --git a/neuralnetworks/1.3/vts/functional/CompilationCachingTests.cpp b/neuralnetworks/1.3/vts/functional/CompilationCachingTests.cpp
index 4003492..edffa22 100644
--- a/neuralnetworks/1.3/vts/functional/CompilationCachingTests.cpp
+++ b/neuralnetworks/1.3/vts/functional/CompilationCachingTests.cpp
@@ -1200,6 +1200,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type);
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CompilationCachingTest);
 INSTANTIATE_TEST_SUITE_P(TestCompilationCaching, CompilationCachingTest,
                          testing::Combine(kNamedDeviceChoices, kOperandTypeChoices),
                          printCompilationCachingTest);
@@ -1356,6 +1357,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type + "_" + std::to_string(seed));
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CompilationCachingSecurityTest);
 INSTANTIATE_TEST_SUITE_P(TestCompilationCaching, CompilationCachingSecurityTest,
                          testing::Combine(kNamedDeviceChoices, kOperandTypeChoices,
                                           testing::Range(0U, 10U)),
diff --git a/neuralnetworks/1.3/vts/functional/MemoryDomainTests.cpp b/neuralnetworks/1.3/vts/functional/MemoryDomainTests.cpp
index 0c657e0..5facc5e 100644
--- a/neuralnetworks/1.3/vts/functional/MemoryDomainTests.cpp
+++ b/neuralnetworks/1.3/vts/functional/MemoryDomainTests.cpp
@@ -605,6 +605,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type);
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(MemoryDomainAllocateTest);
 INSTANTIATE_TEST_SUITE_P(TestMemoryDomain, MemoryDomainAllocateTest,
                          testing::Combine(kNamedDeviceChoices, kTestOperandTypeChoices),
                          printMemoryDomainAllocateTest);
@@ -829,6 +830,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type);
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(MemoryDomainCopyTest);
 INSTANTIATE_TEST_SUITE_P(TestMemoryDomain, MemoryDomainCopyTest,
                          testing::Combine(kNamedDeviceChoices, kTestOperandTypeChoices),
                          printMemoryDomainCopyTest);
@@ -1195,6 +1197,7 @@
     return gtestCompliantName(getName(namedDevice) + "_" + type + "_" + executorStr);
 }
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(MemoryDomainExecutionTest);
 INSTANTIATE_TEST_SUITE_P(TestMemoryDomain, MemoryDomainExecutionTest,
                          testing::Combine(kNamedDeviceChoices, kTestOperandTypeChoices,
                                           kExecutorChoices),