:orphan:

.. title:: BT_CTLR_ECDH

.. option:: CONFIG_BT_CTLR_ECDH

*Elliptic Curve Diffie-Hellman (ECDH)*

Type: ``bool``

Help
====

Enable support for Bluetoooth v4.2 Elliptic Curve Diffie-Hellman
feature in the controller.

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

\ :option:`BT_CTLR_ECDH_SUPPORT <CONFIG_BT_CTLR_ECDH_SUPPORT>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

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

Default
=======

- y

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

.. highlight:: kconfig

At ``subsys/bluetooth/controller/Kconfig:297``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:9`` → ``subsys/bluetooth/Kconfig:240``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller

.. parsed-literal::

    config BT_CTLR_ECDH
    	bool "Elliptic Curve Diffie-Hellman (ECDH)"
    	default y
    	depends on \ :option:`BT_CTLR_ECDH_SUPPORT <CONFIG_BT_CTLR_ECDH_SUPPORT>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  Enable support for Bluetoooth v4.2 Elliptic Curve Diffie-Hellman
    	  feature in the controller.

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