Secure

The secure feature aims to prevent unwanted interaction without user intervention.

::: tip Secure does not currently implement encryption/decryption/etc and should not be a replacement where a strong hardware/software based solution is required. :::

Unlock sequence

To unlock, the user must perform a set of actions. This can optionally be configured to be multiple keys.

While unlocking all keyboard input is ignored
Incorrect attempts will revert back to the previously locked state

Automatic Locking

Once unlocked, the keyboard will revert back to a locked state after the configured timeout. The timeout can be refreshed by using the secure_activity_event function, for example from one of the various hooks.

Usage

Add the following to your rules.mk:

SECURE_ENABLE = yes

Keycodes

Key	Aliases	Description
`QK_SECURE_LOCK`	`SE_LOCK`	Revert back to a locked state
`QK_SECURE_UNLOCK`	`SE_UNLK`	Forces unlock without performing a unlock sequence
`QK_SECURE_TOGGLE`	`SE_TOGG`	Toggle directly between locked and unlock without performing a unlock sequence
`QK_SECURE_REQUEST`	`SE_REQ`	Request that user perform the unlock sequence

Configuration

Define	Default	Description
`SECURE_UNLOCK_TIMEOUT`	`5000`	Timeout for the user to perform the configured unlock sequence - `0` to disable
`SECURE_IDLE_TIMEOUT`	`60000`	Timeout while unlocked before returning to locked - `0` to disable
`SECURE_UNLOCK_SEQUENCE`	`{ { 0, 0 } }`	Array of matrix locations describing a sequential sequence of keypresses

Functions

Function	Description
`secure_is_locked()`	Check if the device is currently locked
`secure_is_unlocking()`	Check if an unlock sequence is currently in progress
`secure_is_unlocked()`	Check if the device is currently unlocked
`secure_lock()`	Lock down the device
`secure_unlock()`	Force unlock the device - bypasses user unlock sequence
`secure_request_unlock()`	Begin listening for an unlock sequence
`secure_activity_event()`	Flag that user activity has happened and the device should remain unlocked

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