Help¶

Enable the AES Xor-encrypt-xor with ciphertext stealing mode (XTS) mode, MBEDTLS_CIPHER_MODE_XTS setting in mbed TLS config file.

Direct dependencies¶

((MBEDTLS_AES_C && MBEDTLS_VANILLA_BACKEND && !NRF_CRYPTO_BACKEND_COMBINATION_0) || VANILLA_MBEDTLS_AES_C) && !CC310_MBEDTLS_AES_C && MBEDTLS_AES_C && NORDIC_SECURITY_BACKEND

(Includes any dependencies from ifs and menus.)

Default¶

y

Kconfig definition¶

At nrf_security/Kconfig:324

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 → AES - Advanced Encryption Standard

config MBEDTLS_CIPHER_MODE_XTS
    bool "AES-XTS - AES Xor-encrypt-xor with ciphertext stealing mode"
    default y
    depends on ((MBEDTLS_AES_C && MBEDTLS_VANILLA_BACKEND && !NRF_CRYPTO_BACKEND_COMBINATION_0) || VANILLA_MBEDTLS_AES_C) && !CC310_MBEDTLS_AES_C && MBEDTLS_AES_C && NORDIC_SECURITY_BACKEND
    help
      Enable the AES Xor-encrypt-xor with ciphertext stealing mode (XTS) mode,
      MBEDTLS_CIPHER_MODE_XTS setting in mbed TLS config file.

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