:orphan:

.. title:: CONFIG_BT_KEYS_OVERWRITE_OLDEST

.. kconfig:: CONFIG_BT_KEYS_OVERWRITE_OLDEST

CONFIG_BT_KEYS_OVERWRITE_OLDEST
###############################

*Overwrite the oldest key if key storage is full*

Type: ``bool``

Help
====

.. code-block:: none

    If a pairing attempt occurs and the key storage is full then the
    oldest key from the set of not currently in use keys will be selected
    and overwritten by the pairing device.

Direct dependencies
===================

\ :kconfig:`BT_SMP <CONFIG_BT_SMP>` && \ :kconfig:`BT_CONN <CONFIG_BT_CONN>` && \ :kconfig:`BT_HCI_HOST <CONFIG_BT_HCI_HOST>` && \ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Kconfig definition
==================



At ``<Zephyr Subsystem>/bluetooth/host/Kconfig:427``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:174``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Security Manager Protocol support

.. code-block:: kconfig

    config BT_KEYS_OVERWRITE_OLDEST
    	bool "Overwrite the oldest key if key storage is full"
    	depends on BT_SMP && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    	help
    	  If a pairing attempt occurs and the key storage is full then the
    	  oldest key from the set of not currently in use keys will be selected
    	  and overwritten by the pairing device.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*