diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index f2b95e7..a8158ba 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -3340,6 +3340,10 @@
     return injectionResult;
 }
 
+std::unique_ptr<VerifiedInputEvent> InputDispatcher::verifyInputEvent(const InputEvent& event) {
+    return nullptr;
+}
+
 bool InputDispatcher::hasInjectionPermission(int32_t injectorPid, int32_t injectorUid) {
     return injectorUid == 0 ||
             mPolicy->checkInjectEventsPermissionNonReentrant(injectorPid, injectorUid);
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index d2aea80..72511e9 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -96,6 +96,8 @@
                                      int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
                                      uint32_t policyFlags) override;
 
+    virtual std::unique_ptr<VerifiedInputEvent> verifyInputEvent(const InputEvent& event) override;
+
     virtual void setInputWindows(
             const std::vector<sp<InputWindowHandle>>& inputWindowHandles, int32_t displayId,
             const sp<ISetInputWindowsListener>& setInputWindowsListener = nullptr) override;
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 3424f4c..6e98676 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -92,6 +92,13 @@
                                      int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis,
                                      uint32_t policyFlags) = 0;
 
+    /*
+     * Check whether InputEvent actually happened by checking the signature of the event.
+     *
+     * Return nullptr if the event cannot be verified.
+     */
+    virtual std::unique_ptr<VerifiedInputEvent> verifyInputEvent(const InputEvent& event) = 0;
+
     /* Sets the list of input windows.
      *
      * This method may be called on any thread (usually by the input manager).