:orphan:

.. title:: MBEDTLS_SHA256_SMALLER

.. option:: CONFIG_MBEDTLS_SHA256_SMALLER

*Enable smaller SHA-256 implementation*

Type: ``bool``

Help
====

Enable an implementation of SHA-256 that has lower ROM footprint but also
lower performance

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

\ :option:`MBEDTLS_MAC_SHA256_ENABLED <CONFIG_MBEDTLS_MAC_SHA256_ENABLED>` && \ :option:`MBEDTLS_BUILTIN <CONFIG_MBEDTLS_BUILTIN>` && \ :option:`MBEDTLS_CFG_FILE <CONFIG_MBEDTLS_CFG_FILE>` = "config-tls-generic.h" && \ :option:`MBEDTLS <CONFIG_MBEDTLS>`

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

Default
=======

- y

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

.. highlight:: kconfig

At ``modules/Kconfig.tls-generic:264``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:23`` → ``modules/Kconfig:21`` → ``modules/Kconfig.mbedtls:44``

Menu path: (Top) → Modules → mbedTLS Support → TLS configuration → Ciphersuite configuration → Enable the SHA-224 and SHA-256 hash algorithms

.. parsed-literal::

    config MBEDTLS_SHA256_SMALLER
    	bool "Enable smaller SHA-256 implementation"
    	default y
    	depends on \ :option:`MBEDTLS_MAC_SHA256_ENABLED <CONFIG_MBEDTLS_MAC_SHA256_ENABLED>` && \ :option:`MBEDTLS_BUILTIN <CONFIG_MBEDTLS_BUILTIN>` && \ :option:`MBEDTLS_CFG_FILE <CONFIG_MBEDTLS_CFG_FILE>` = "config-tls-generic.h" && \ :option:`MBEDTLS <CONFIG_MBEDTLS>`
    	help
    	  Enable an implementation of SHA-256 that has lower ROM footprint but also
    	  lower performance

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