menuconfig ARM64_CRYPTO bool "ARM64 Accelerated Cryptographic Algorithms" depends on ARM64 help Say Y here to choose from a selection of cryptographic algorithms implemented using ARM64 specific CPU features or instructions. if ARM64_CRYPTO config CRYPTO_SHA1_ARM64_CE tristate "SHA-1 digest algorithm (ARMv8 Crypto Extensions)" depends on ARM64 && KERNEL_MODE_NEON select CRYPTO_HASH endif