:orphan:

.. title:: MBEDTLS_CHACHA20_C

.. option:: CONFIG_MBEDTLS_CHACHA20_C

*CHACHA20 stream cipher support*

Type: ``bool``

Help
====

Enable the CHACHA20 stream cipher.
MBEDTLS_CHACHA20_C setting in mbed TLS config file.

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

(\ :option:`CC310_BACKEND <CONFIG_CC310_BACKEND>` || \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>`) && (\ :option:`CC310_BACKEND <CONFIG_CC310_BACKEND>` || \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>`) && \ :option:`NORDIC_SECURITY_BACKEND <CONFIG_NORDIC_SECURITY_BACKEND>`

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

Default
=======

- y

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

.. highlight:: kconfig

At ``nrf_security/Kconfig:423``

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 → AEAD  - Authenticated Encryption with Associated Data

.. parsed-literal::

    config MBEDTLS_CHACHA20_C
    	bool "CHACHA20 stream cipher support"
    	default y
    	depends on (\ :option:`CC310_BACKEND <CONFIG_CC310_BACKEND>` || \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>`) && (\ :option:`CC310_BACKEND <CONFIG_CC310_BACKEND>` || \ :option:`MBEDTLS_VANILLA_BACKEND <CONFIG_MBEDTLS_VANILLA_BACKEND>`) && \ :option:`NORDIC_SECURITY_BACKEND <CONFIG_NORDIC_SECURITY_BACKEND>`
    	help
    	  Enable the CHACHA20 stream cipher.
    	  MBEDTLS_CHACHA20_C setting in mbed TLS config file.

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