diff options
| -rw-r--r-- | src/security/vboot/Kconfig | 9 | ||||
| -rw-r--r-- | src/security/vboot/Makefile.inc | 6 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/security/vboot/Kconfig b/src/security/vboot/Kconfig index 9d90d1ee92..56e94d52ae 100644 --- a/src/security/vboot/Kconfig +++ b/src/security/vboot/Kconfig @@ -301,6 +301,15 @@ config VBOOT_X86_SHA256_ACCELERATION Use sha256msg1, sha256msg2, sha256rnds2 instruction to accelerate SHA hash calculation in vboot. +config VBOOT_X86_RSA_ACCELERATION + bool "Use SSE2 instructions for RSA signature verification" + 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_ARMV8_CE_SHA256_ACCELERATION bool "Use ARMv8 Crypto Extension for sha256 hash calculation" default y if CHROMEOS diff --git a/src/security/vboot/Makefile.inc b/src/security/vboot/Makefile.inc index fadc67320f..1689efb155 100644 --- a/src/security/vboot/Makefile.inc +++ b/src/security/vboot/Makefile.inc @@ -30,6 +30,8 @@ $$(VBOOT_LIB_$(1)): $(obj)/config.h EC_EFS="$(CONFIG_VBOOT_EC_EFS)" \ X86_SHA_EXT="$(if $(CONFIG_ARCH_$(call toupper,$(1))_X86_32)$(CONFIG_ARCH_$(call toupper,$(1))_X86_64),$\ $(CONFIG_VBOOT_X86_SHA256_ACCELERATION))" \ + VB2_X86_RSA_ACCELERATION="$(if $(CONFIG_ARCH_$(call toupper,$(1))_X86_32)$(CONFIG_ARCH_$(call toupper,$(1))_X86_64),$\ + $(CONFIG_VBOOT_X86_RSA_ACCELERATION))" \ ARMV8_CRYPTO_EXT="$(if $(CONFIG_ARCH_$(call toupper,$(1))_ARMV8_64),$$(CONFIG_VBOOT_ARMV8_CE_SHA256_ACCELERATION))" \ $(MAKE) -C $(VBOOT_SOURCE) \ BUILD=$$(abspath $$(dir $$(VBOOT_LIB_$(1)))) \ @@ -129,6 +131,10 @@ ramstage-$(CONFIG_MRC_SAVE_HASH_IN_TPM) += mrc_cache_hash_tpm.c ramstage-$(CONFIG_SOC_AMD_GFX_CACHE_VBIOS_IN_FMAP) += vbios_cache_hash_tpm.c +ifeq ($(CONFIG_VBOOT_X86_RSA_ACCELERATION),y) +CPPFLAGS_common += -DVB2_X86_RSA_ACCELERATION +endif + ifeq ($(CONFIG_VBOOT_SEPARATE_VERSTAGE),y) $(eval $(call vboot-for-stage,verstage)) |