diff options
| author | Jeremy Compostella <jeremy.compostella@intel.com> | 2023-11-27 14:56:29 -0800 |
|---|---|---|
| committer | Yu-Ping Wu <yupingso@google.com> | 2023-12-27 05:04:20 +0000 |
| commit | b6dfcb7d1848a5731a5e3bf732fcfdf07d4ed00a (patch) | |
| tree | 122d0ffa0cfdab93cf6daffdf64e5041aaa6d7f5 /src/security | |
| parent | 0c8e54100b4089e5b09da0aafed3f7cc624f7928 (diff) | |
vboot: add VBOOT_X86_RSA_ACCELERATION config
Add `VBOOT_X86_RSA_ACCELERATION' Kconfig option to enable SSE2
instruction set implementation of modulus exponentiation which is part
of the RSA signature verification process.
BUG=b:312709384
TEST=Able to use SSE2 accelerated implementation on rex0
Change-Id: Ib6e39eb9f592f36ad3dca76c8eaf2fe334704265
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79289
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/security')
| -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)) |