diff --git a/gatekeeper/aidl/software/GateKeeper.h b/gatekeeper/aidl/software/GateKeeper.h
new file mode 100644
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--- /dev/null
+++ b/gatekeeper/aidl/software/GateKeeper.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2014 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/gatekeeper/BnGatekeeper.h>
+#include <gatekeeper/gatekeeper_messages.h>
+
+#include "SoftGateKeeper.h"
+
+namespace aidl::android::hardware::gatekeeper {
+
+class SoftGateKeeperDevice : public BnGatekeeper {
+  public:
+    SoftGateKeeperDevice(::gatekeeper::SoftGateKeeper&);
+    /**
+     * Enrolls password_payload, which should be derived from a user selected pin
+     * or password, with the authentication factor private key used only for
+     * enrolling authentication factor data.
+     *
+     * Returns: 0 on success or an error code less than 0 on error.
+     * On error, enrolled_password_handle will not be allocated.
+     */
+    ::ndk::ScopedAStatus enroll(int32_t uid, const std::vector<uint8_t>& currentPasswordHandle,
+                                const std::vector<uint8_t>& currentPassword,
+                                const std::vector<uint8_t>& desiredPassword,
+                                GatekeeperEnrollResponse* _aidl_return) override;
+    /**
+     * Verifies provided_password matches enrolled_password_handle.
+     *
+     * Implementations of this module may retain the result of this call
+     * to attest to the recency of authentication.
+     *
+     * On success, writes the address of a verification token to auth_token,
+     * usable to attest password verification to other trusted services. Clients
+     * may pass NULL for this value.
+     *
+     * Returns: 0 on success or an error code less than 0 on error
+     * On error, verification token will not be allocated
+     */
+    ::ndk::ScopedAStatus verify(int32_t uid, int64_t challenge,
+                                const std::vector<uint8_t>& enrolledPasswordHandle,
+                                const std::vector<uint8_t>& providedPassword,
+                                GatekeeperVerifyResponse* _aidl_return) override;
+
+    ::ndk::ScopedAStatus deleteAllUsers() override;
+
+    ::ndk::ScopedAStatus deleteUser(int32_t uid) override;
+
+  private:
+    ::gatekeeper::SoftGateKeeper& impl_;
+};
+
+}  // namespace aidl::android::hardware::gatekeeper