mirror of
https://github.com/Keychron/qmk_firmware.git
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57 lines
3.1 KiB
Markdown
57 lines
3.1 KiB
Markdown
# Secure
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The secure feature aims to prevent unwanted interaction without user intervention.
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::: tip
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Secure does **not** currently implement encryption/decryption/etc and should not be a replacement where a strong hardware/software based solution is required.
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:::
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### Unlock sequence
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To unlock, the user must perform a set of actions. This can optionally be configured to be multiple keys.
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* While unlocking all keyboard input is ignored
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* Incorrect attempts will revert back to the previously locked state
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### Automatic Locking
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Once unlocked, the keyboard will revert back to a locked state after the configured timeout.
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The timeout can be refreshed by using the `secure_activity_event` function, for example from one of the various [hooks](../custom_quantum_functions).
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## Usage
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Add the following to your `rules.mk`:
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```make
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SECURE_ENABLE = yes
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```
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## Keycodes
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| Key |Aliases | Description |
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|---------------------|---------|--------------------------------------------------------------------------------|
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| `QK_SECURE_LOCK` |`SE_LOCK`| Revert back to a locked state |
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| `QK_SECURE_UNLOCK` |`SE_UNLK`| Forces unlock without performing a unlock sequence |
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| `QK_SECURE_TOGGLE` |`SE_TOGG`| Toggle directly between locked and unlock without performing a unlock sequence |
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| `QK_SECURE_REQUEST` |`SE_REQ` | Request that user perform the unlock sequence |
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## Configuration
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| Define | Default | Description |
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|-------------------------|----------------|---------------------------------------------------------------------------------|
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|`SECURE_UNLOCK_TIMEOUT` | `5000` | Timeout for the user to perform the configured unlock sequence - `0` to disable |
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|`SECURE_IDLE_TIMEOUT` | `60000` | Timeout while unlocked before returning to locked - `0` to disable |
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|`SECURE_UNLOCK_SEQUENCE` | `{ { 0, 0 } }` | Array of matrix locations describing a sequential sequence of keypresses |
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## Functions
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| Function | Description |
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|---------------------------|----------------------------------------------------------------------------|
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| `secure_is_locked()` | Check if the device is currently locked |
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| `secure_is_unlocking()` | Check if an unlock sequence is currently in progress |
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| `secure_is_unlocked()` | Check if the device is currently unlocked |
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| `secure_lock()` | Lock down the device |
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| `secure_unlock()` | Force unlock the device - bypasses user unlock sequence |
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| `secure_request_unlock()` | Begin listening for an unlock sequence |
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| `secure_activity_event()` | Flag that user activity has happened and the device should remain unlocked |
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