diff --git a/biometrics/common/aidl/Android.bp b/biometrics/common/aidl/Android.bp
new file mode 100644
index 0000000..f7462e6
--- /dev/null
+++ b/biometrics/common/aidl/Android.bp
@@ -0,0 +1,16 @@
+aidl_interface {
+    name: "android.hardware.biometrics.common",
+    vendor_available: true,
+    srcs: [
+        "android/hardware/biometrics/common/*.aidl",
+    ],
+    stability: "vintf",
+    backend: {
+        java: {
+            platform_apis: true,
+        },
+        cpp: {
+            enabled: false,
+        },
+    }
+}
\ No newline at end of file
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
similarity index 81%
copy from biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
copy to biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
index 2aaf94f..57574b5 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
@@ -15,13 +15,10 @@
 // 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,
+package android.hardware.biometrics.common;
+@VintfStability
+parcelable CommonProps {
+  int sensorId;
+  android.hardware.biometrics.common.SensorStrength sensorStrength;
+  int maxEnrollmentsPerUser;
 }
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
similarity index 84%
copy from biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
copy to biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
index 2aaf94f..eaff85d 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
@@ -15,13 +15,10 @@
 // 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;
+package android.hardware.biometrics.common;
 @Backing(type="byte") @VintfStability
-enum SensorType {
-  UNKNOWN = 0,
-  REAR = 1,
-  UNDER_DISPLAY_ULTRASONIC = 2,
-  UNDER_DISPLAY_OPTICAL = 3,
-  POWER_BUTTON = 4,
-  HOME_BUTTON = 5,
+enum SensorStrength {
+  CONVENIENCE = 0,
+  WEAK = 1,
+  STRONG = 2,
 }
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl
new file mode 100644
index 0000000..5982397
--- /dev/null
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl
@@ -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.
+ */
+
+package android.hardware.biometrics.common;
+
+import android.hardware.biometrics.common.SensorStrength;
+
+@VintfStability
+parcelable CommonProps {
+    /**
+     * A statically configured unique ID that identifies a single biometric
+     * sensor. IDs must start at zero and increment by one for each unique
+     * sensor. Note that ID allocations are shared between all biometric
+     * modalities (e.g. fingerprint, face, iris), and a single ID must never
+     * be claimed by more than a single sensor.
+     */
+    int sensorId;
+
+    /**
+     * A statically configured strength for this sensor. See the SensorStrength
+     * interface for more information.
+     */
+    SensorStrength sensorStrength;
+
+    /**
+     * The maximum number of enrollments that a single user can have.
+     * Statically configured.
+     */
+    int maxEnrollmentsPerUser;
+}
\ No newline at end of file
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl
new file mode 100644
index 0000000..7460279
--- /dev/null
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl
@@ -0,0 +1,44 @@
+/*
+ * 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.common;
+
+@VintfStability
+@Backing(type="byte")
+enum SensorStrength {
+    /**
+     * A sensor that meets the requirements for Class 1 biometrics as defined
+     * in the CDD. This does not correspond to a public BiometricManager.Authenticators
+     * constant. Sensors of this strength are not available to applications  ia the
+     * public API surface.
+     */
+    CONVENIENCE,
+
+    /**
+     * A sensor that meets the requirements for Class 2 biometrics as defined
+     * in the CDD. Corresponds to BiometricManager.Authenticators.BIOMETRIC_WEAK.
+     */
+    WEAK,
+
+    /**
+     * A sensor that meets the requirements for Class 3 biometrics as defined
+     * in the CDD. Corresponds to BiometricManager.Authenticators.BIOMETRIC_STRONG.
+     *
+     * Notably, this is the only strength that allows generation/verification of
+     * HardwareAuthToken(s).
+     */
+    STRONG,
+}
\ No newline at end of file
diff --git a/biometrics/fingerprint/aidl/Android.bp b/biometrics/fingerprint/aidl/Android.bp
index e6baa8a..6bf2038 100644
--- a/biometrics/fingerprint/aidl/Android.bp
+++ b/biometrics/fingerprint/aidl/Android.bp
@@ -5,6 +5,7 @@
         "android/hardware/biometrics/fingerprint/**/*.aidl",
     ],
     imports: [
+        "android.hardware.biometrics.common",
         "android.hardware.keymaster",
     ],
     stability: "vintf",
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/FingerprintSensorType.aidl
similarity index 97%
rename from biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorType.aidl
rename to biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
index 2aaf94f..14bfece 100644
--- 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/FingerprintSensorType.aidl
@@ -17,7 +17,7 @@
 
 package android.hardware.biometrics.fingerprint;
 @Backing(type="byte") @VintfStability
-enum SensorType {
+enum FingerprintSensorType {
   UNKNOWN = 0,
   REAR = 1,
   UNDER_DISPLAY_ULTRASONIC = 2,
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
index c30e35d..04a8f86 100644
--- 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
@@ -18,7 +18,6 @@
 package android.hardware.biometrics.fingerprint;
 @VintfStability
 parcelable SensorProps {
-  int sensorId;
-  android.hardware.biometrics.fingerprint.SensorType sensorType;
-  boolean resetLockoutRequiresHardwareAuthToken;
+  android.hardware.biometrics.common.CommonProps commonProps;
+  android.hardware.biometrics.fingerprint.FingerprintSensorType sensorType;
 }
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
similarity index 96%
rename from biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl
rename to biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
index 589e737..765a2ed 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorType.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
@@ -18,7 +18,7 @@
 
 @VintfStability
 @Backing(type="byte")
-enum SensorType {
+enum FingerprintSensorType {
     UNKNOWN,
     REAR,
     UNDER_DISPLAY_ULTRASONIC,
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
index bbb1ecb6..5355c5e 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
@@ -16,14 +16,20 @@
 
 package android.hardware.biometrics.fingerprint;
 
-import android.hardware.biometrics.fingerprint.SensorType;
+import android.hardware.biometrics.common.CommonProps;
+import android.hardware.biometrics.fingerprint.FingerprintSensorType;
 
 @VintfStability
 parcelable SensorProps {
-    int sensorId;
+    /**
+     * Statically configured properties that apply to this fingerprint sensor.
+     */
+    CommonProps commonProps;
 
-    SensorType sensorType;
-
-    boolean resetLockoutRequiresHardwareAuthToken;
+    /**
+     * A statically configured sensor type representing this fingerprint
+     * sensor.
+     */
+    FingerprintSensorType sensorType;
 }
 
diff --git a/biometrics/fingerprint/aidl/default/Fingerprint.cpp b/biometrics/fingerprint/aidl/default/Fingerprint.cpp
index 6f9e3a0..6eb6237 100644
--- a/biometrics/fingerprint/aidl/default/Fingerprint.cpp
+++ b/biometrics/fingerprint/aidl/default/Fingerprint.cpp
@@ -19,7 +19,19 @@
 
 namespace aidl::android::hardware::biometrics::fingerprint {
 
-ndk::ScopedAStatus Fingerprint::getSensorProps(std::vector<SensorProps>* /*return_val*/) {
+const int kSensorId = 0;
+const common::SensorStrength kSensorStrength = common::SensorStrength::STRONG;
+const int kMaxEnrollmentsPerUser = 5;
+const FingerprintSensorType kSensorType = FingerprintSensorType::REAR;
+
+ndk::ScopedAStatus Fingerprint::getSensorProps(std::vector<SensorProps>* return_val) {
+    *return_val = std::vector<SensorProps>();
+    common::CommonProps commonProps = {kSensorId,
+            kSensorStrength,
+            kMaxEnrollmentsPerUser};
+    SensorProps props = {commonProps,
+            kSensorType};
+    return_val->push_back(props);
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/biometrics/fingerprint/aidl/default/main.cpp b/biometrics/fingerprint/aidl/default/main.cpp
index 058a008..4690d73 100644
--- a/biometrics/fingerprint/aidl/default/main.cpp
+++ b/biometrics/fingerprint/aidl/default/main.cpp
@@ -23,6 +23,7 @@
 using aidl::android::hardware::biometrics::fingerprint::Fingerprint;
 
 int main() {
+    LOG(INFO) << "Fingerprint HAL started";
     ABinderProcess_setThreadPoolMaxThreadCount(0);
     std::shared_ptr<Fingerprint> hal = ndk::SharedRefBase::make<Fingerprint>();