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+// Copyright 2022 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+/** \file
+ *
+ * Exposes a set of functionality to act as a virtual padlock for your device
+ * ... As long as that padlock is made of paper and its currently raining.
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+
+/** \brief Available secure states
+ */
+typedef enum {
+ SECURE_LOCKED,
+ SECURE_PENDING,
+ SECURE_UNLOCKED,
+} secure_status_t;
+
+/** \brief Query current secure state
+ */
+secure_status_t secure_get_status(void);
+
+/** \brief Helper to check if unlocking is currently locked
+ */
+#define secure_is_locked() (secure_get_status() == SECURE_LOCKED)
+
+/** \brief Helper to check if unlocking is currently in progress
+ */
+#define secure_is_unlocking() (secure_get_status() == SECURE_PENDING)
+
+/** \brief Helper to check if unlocking is currently unlocked
+ */
+#define secure_is_unlocked() (secure_get_status() == SECURE_UNLOCKED)
+
+/** \brief Lock down the device
+ */
+void secure_lock(void);
+
+/** \brief Force unlock the device
+ *
+ * \warning bypasses user unlock sequence
+ */
+void secure_unlock(void);
+
+/** \brief Begin listening for an unlock sequence
+ */
+void secure_request_unlock(void);
+
+/** \brief Flag to the secure subsystem that user activity has happened
+ *
+ * Call when some user activity has happened and the device should remain unlocked
+ */
+void secure_activity_event(void);
+
+/** \brief Flag to the secure subsystem that user has triggered a keypress
+ *
+ * Call to trigger processing of the unlock sequence
+ */
+void secure_keypress_event(uint8_t row, uint8_t col);
+
+/** \brief Handle various secure subsystem background tasks
+ */
+void secure_task(void);
+
+/** \brief quantum hook called when changing secure status device
+ */
+void secure_hook_quantum(secure_status_t secure_status);
+
+/** \brief user hook called when changing secure status device
+ */
+bool secure_hook_user(secure_status_t secure_status);
+
+/** \brief keyboard hook called when changing secure status device
+ */
+bool secure_hook_kb(secure_status_t secure_status);