:orphan:

.. title:: BT_SMP_MIN_ENC_KEY_SIZE

.. option:: CONFIG_BT_SMP_MIN_ENC_KEY_SIZE

*Minimum encryption key size accepted in octets*

Type: ``int``

Help
====

.. code-block:: none

    This option sets the minimum encryption key size accepted during pairing.

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

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

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

Defaults
========

- 7
- 16 if \ :option:`BT_SMP_SC_ONLY <CONFIG_BT_SMP_SC_ONLY>`

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



At ``<Zephyr Subsystem>/bluetooth/host/Kconfig:438``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:306``

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

.. code-block:: kconfig

    config BT_SMP_MIN_ENC_KEY_SIZE
    	int "Minimum encryption key size accepted in octets" if !BT_SMP_SC_ONLY
    	range 7 16
    	default 7
    	default 16 if BT_SMP_SC_ONLY
    	depends on BT_SMP && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    	help
    	  This option sets the minimum encryption key size accepted during pairing.

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