:orphan:

.. title:: MBEDTLS_ECP_WINDOW_SIZE

.. option:: CONFIG_MBEDTLS_ECP_WINDOW_SIZE

*ECP - Elliptic Curve multiplication window size*

Type: ``int``

Help
====

Window sized used for elliptic curve multiplication. This value can be reduce down to 2.
Reducing the value will impact the performance of the system.
MBEDTLS_ECP_WINDOW_SIZE setting in mbed TLS config file.

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

\ :option:`NRF_SECURITY_ADVANCED <CONFIG_NRF_SECURITY_ADVANCED>` && \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>` && \ :option:`NORDIC_SECURITY_BACKEND <CONFIG_NORDIC_SECURITY_BACKEND>`

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

Default
=======

- 6

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

.. highlight:: kconfig

At ``nrf_security/Kconfig:869``

Included via ``/jenkins_workspace/workspace/nrfconnect-nrf_doc_v1.2-branch_2/nrfxlib/Kconfig.nrfxlib:14``

Menu path: (Top) → Nordic nrfxlib → Nordic Security → Use Nordic provided security backend → Advanced mbed TLS Configuration Settings

.. parsed-literal::

    config MBEDTLS_ECP_WINDOW_SIZE
    	int "ECP - Elliptic Curve multiplication window size"
    	range 2 6
    	default 6
    	depends on \ :option:`NRF_SECURITY_ADVANCED <CONFIG_NRF_SECURITY_ADVANCED>` && \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>` && \ :option:`NORDIC_SECURITY_BACKEND <CONFIG_NORDIC_SECURITY_BACKEND>`
    	help
    	  Window sized used for elliptic curve multiplication. This value can be reduce down to 2.
    	  Reducing the value will impact the performance of the system.
    	  MBEDTLS_ECP_WINDOW_SIZE setting in mbed TLS config file.

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