Help¶

Enable the AES Counter Block Cipher mode (CTR) mode, MBEDTLS_CIPHER_MODE_CTR setting in mbed TLS config file.

Direct dependencies¶

MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND

(Includes any dependencies from if’s and menus.)

Defaults¶

“y” if MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND

Symbols selected by this symbol¶

MBEDTLS_CIPHER_AES_256_CTR_C if MBEDTLS_VANILLA_BACKEND && MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND

Kconfig definition¶

At ../nrfxlib/nrf_security/Kconfig:122

Included via Kconfig:10 → Kconfig.zephyr:10 → /jenkins_workspace/workspace/connect-nrf_documentation_master/_build/Kconfig.modules:7 → /jenkins_workspace/workspace/connect-nrf_documentation_master/ncs/nrfxlib/Kconfig.nrfxlib:13

Menu path: (top menu) → Nordic nrfxlib → Nordic Security → Use Nordic provided security backend → AES - Advanced Encryption Standard → AES block cipher, including ECB - Electronic Code Book mode

config MBEDTLS_CIPHER_MODE_CTR
    bool
    prompt "AES-CTR - AES Counter Block Cipher mode" if MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND
    default "y" if MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND
    select MBEDTLS_CIPHER_AES_256_CTR_C if MBEDTLS_VANILLA_BACKEND && MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND
    depends on MBEDTLS_AES_C && !NRF_CRYPTO_BACKEND_COMBINATION_0 && AES_CONFIGURATION && NORDIC_SECURITY_BACKEND
    help
      Enable the AES Counter Block Cipher mode (CTR) mode,
      MBEDTLS_CIPHER_MODE_CTR setting in mbed TLS config file.

(Definitions include propagated dependencies, including from if’s and menus.)