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

NRF_SECURITY_ADVANCED && MBEDTLS_VANILLA_BACKEND && NORDIC_SECURITY_BACKEND

(Includes any dependencies from ifs and menus.)

Default

  • 6

Kconfig definition

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

config MBEDTLS_ECP_WINDOW_SIZE
    int "ECP - Elliptic Curve multiplication window size"
    range 2 6
    default 6
    depends on NRF_SECURITY_ADVANCED && MBEDTLS_VANILLA_BACKEND && 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.)