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CONFIG_MBEDTLS_AES_FEWER_TABLES
¶
Use fewer AES tables
Type: bool
Help¶
Enabling this configuration omits 75% of the AES tables in ROM or RAM.
There is a tradeoff between lookup size and doing more arithmetic
operations on the fly, which impacts the performance of the AES operations.
MBEDTLS_AES_FEWER_TABLES setting in mbed TLS config file.
Direct dependencies¶
VANILLA_MBEDTLS_AES_C
&& NRF_SECURITY_ADVANCED
&& NRF_SECURITY_ANY_BACKEND
&& NORDIC_SECURITY_BACKEND
(Includes any dependencies from ifs and menus.)
Defaults¶
No defaults. Implicitly defaults to n
.
Kconfig definition¶
At <nrfxlib>/nrf_security/Kconfig:1479
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:23
→ <Zephyr>/modules/Kconfig:6
→ <BuildDir>/kconfig/Kconfig.modules:62
→ <nrfxlib>/Kconfig.nrfxlib:13
Menu path: (Top) → Modules → nrfxlib (/home/runner/work/sdk-nrf/sdk-nrf/ncs/nrfxlib) → Nordic nrfxlib → Nordic Security → Use Nordic provided security backend → Advanced mbed TLS Configuration Settings
config MBEDTLS_AES_FEWER_TABLES
bool "Use fewer AES tables"
depends on VANILLA_MBEDTLS_AES_C && NRF_SECURITY_ADVANCED && NRF_SECURITY_ANY_BACKEND && NORDIC_SECURITY_BACKEND
help
Enabling this configuration omits 75% of the AES tables in ROM or RAM.
There is a tradeoff between lookup size and doing more arithmetic
operations on the fly, which impacts the performance of the AES operations.
MBEDTLS_AES_FEWER_TABLES setting in mbed TLS config file.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)