Help¶

Enable the AES Cipher Block Chaining (CBC) mode, MBEDTLS_CIPHER_MODE_CBC setting in mbed TLS config file.

Direct dependencies¶

MBEDTLS_AES_C && NRF_SECURITY_ANY_BACKEND && NORDIC_SECURITY_BACKEND

(Includes any dependencies from ifs and menus.)

Default¶

y

Kconfig definition¶

At <nrfxlib>/nrf_security/Kconfig:367

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:9 → <BuildDir>/Kconfig/Kconfig.modules:5 → <nrfxlib>/Kconfig.nrfxlib:13

Menu path: (Top) → Modules → Nordic nrfxlib → Nordic Security → Use Nordic provided security backend → AES - Advanced Encryption Standard

config MBEDTLS_CIPHER_MODE_CBC
    bool "AES-CBC - AES Cipher Block Chaining mode"
    default y
    depends on MBEDTLS_AES_C && NRF_SECURITY_ANY_BACKEND && NORDIC_SECURITY_BACKEND
    help
      Enable the AES Cipher Block Chaining (CBC) mode,
      MBEDTLS_CIPHER_MODE_CBC setting in mbed TLS config file.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)