coreboot-kgpe-d16/payloads/libpayload/vboot/Kconfig

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# SPDX-License-Identifier: BSD-3-Clause
config VBOOT_LIB
bool "Compile verified boot (vboot) library"
default y if CHROMEOS
default n
help
This option enables compiling and building vboot libraries vboot_fw and tlcl.
if VBOOT_LIB
config VBOOT_CBFS_INTEGRATION
bool "Enable vboot and CBFS integration"
default n
depends on CBFS_VERIFICATION
help
Say yes to request reboot on CBFS file hash mismatch in non-recovery mode.
config VBOOT_TPM2_MODE
bool "TPM2 Mode"
default y
help
This option enables TPM 2.0 support in vboot. Disabling it allows using TPM 1.2.
config VBOOT_X86_SHA_EXT
bool "x86 SHA Extension"
default y if CHROMEOS
default n
depends on ARCH_X86
help
This option enables SHA256 implementation using x86 SHA processor extension
instructions: sha256msg1, sha256msg2, sha256rnds2.
config VBOOT_X86_RSA_ACCELERATION
bool "Use SSE2 instructions for RSA signature verification"
default y if CHROMEOS
default n
depends on ARCH_X86
help
Use paddq, pmuludq, psrlq, punpckldq and punpcklqdq SSE2
instructions to accelerate the modulus exponentiation which
is part of the RSA signature verification process.
config VBOOT_SHA_ARMV8_CE
bool "SHA256 implementation using ARMv8 Crypto Extension"
default y if CHROMEOS
default n
depends on ARCH_ARM64
help
This option enables SHA256 implementation using ARMv8 Crypto Extension.
endif