choice SB_CRYPTO_HASH: Hashing Implementation

Hashing Implementation

Type: bool

Help

Crypto implementation to use for hash generation in Bootloader.

Direct dependencies

SECURE_BOOT_CRYPTO

(Includes any dependencies from ifs and menus.)

Defaults

• SB_CRYPTO_NO_SHA256 if !IS_SECURE_BOOTLOADER

• SB_CRYPTO_CC310_SHA256 if HAS_HW_NRF_CC310

• SB_CRYPTO_OBERON_SHA256

Choice options

• SB_CRYPTO_OBERON_SHA256

• SB_CRYPTO_CC310_SHA256

• SB_CRYPTO_CLIENT_SHA256

• SB_CRYPTO_NO_SHA256

Kconfig definition

At <nRF>/subsys/bootloader/bl_crypto/Kconfig:84

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:9 → <BuildDir>/Kconfig/Kconfig.modules:1 → <nRF>/Kconfig.nrf:25 → <nRF>/subsys/Kconfig:8 → <nRF>/subsys/bootloader/Kconfig:225

Menu path: (Top) → Modules → Nordic nRF Connect → Bootloader → Secure Boot Crypto

choice SB_CRYPTO_HASH
    bool "Hashing Implementation"
    default SB_CRYPTO_NO_SHA256 if !IS_SECURE_BOOTLOADER
    default SB_CRYPTO_CC310_SHA256 if HAS_HW_NRF_CC310
    default SB_CRYPTO_OBERON_SHA256
    depends on SECURE_BOOT_CRYPTO
    help
      Crypto implementation to use for hash generation in Bootloader.

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