blob: 0a4775d0048533159fc259efe2a558519e119bbf [file] [log] [blame]
#
# Copyright (c) 2015-2022, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
ifneq (${MBEDTLS_COMMON_MK},1)
MBEDTLS_COMMON_MK := 1
# MBEDTLS_DIR must be set to the mbed TLS main directory (it must contain
# the 'include' and 'library' subdirectories).
ifeq (${MBEDTLS_DIR},)
$(error Error: MBEDTLS_DIR not set)
endif
MBEDTLS_INC = -I${MBEDTLS_DIR}/include
# Specify mbed TLS configuration file
MBEDTLS_CONFIG_FILE ?= "<drivers/auth/mbedtls/mbedtls_config.h>"
$(eval $(call add_define,MBEDTLS_CONFIG_FILE))
MBEDTLS_SOURCES += drivers/auth/mbedtls/mbedtls_common.c
LIBMBEDTLS_SRCS := $(addprefix ${MBEDTLS_DIR}/library/, \
aes.c \
asn1parse.c \
asn1write.c \
cipher.c \
cipher_wrap.c \
memory_buffer_alloc.c \
oid.c \
platform.c \
platform_util.c \
bignum.c \
gcm.c \
md.c \
pk.c \
pk_wrap.c \
pkparse.c \
pkwrite.c \
sha256.c \
sha512.c \
ecdsa.c \
ecp_curves.c \
ecp.c \
rsa.c \
rsa_internal.c \
x509.c \
x509_crt.c \
)
# The platform may define the variable 'TF_MBEDTLS_KEY_ALG' to select the key
# algorithm to use. If the variable is not defined, select it based on
# algorithm used for key generation `KEY_ALG`. If `KEY_ALG` is not defined,
# then it is set to `rsa`.
ifeq (${TF_MBEDTLS_KEY_ALG},)
ifeq (${KEY_ALG}, ecdsa)
TF_MBEDTLS_KEY_ALG := ecdsa
else
TF_MBEDTLS_KEY_ALG := rsa
endif
endif
ifeq (${TF_MBEDTLS_KEY_SIZE},)
ifneq ($(findstring rsa,${TF_MBEDTLS_KEY_ALG}),)
ifeq (${KEY_SIZE},)
TF_MBEDTLS_KEY_SIZE := 2048
else
TF_MBEDTLS_KEY_SIZE := ${KEY_SIZE}
endif
endif
endif
ifeq (${HASH_ALG}, sha384)
TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA384
else ifeq (${HASH_ALG}, sha512)
TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA512
else
TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA256
endif
ifeq (${TF_MBEDTLS_KEY_ALG},ecdsa)
TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_ECDSA
else ifeq (${TF_MBEDTLS_KEY_ALG},rsa)
TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_RSA
else ifeq (${TF_MBEDTLS_KEY_ALG},rsa+ecdsa)
TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_RSA_AND_ECDSA
else
$(error "TF_MBEDTLS_KEY_ALG=${TF_MBEDTLS_KEY_ALG} not supported on mbed TLS")
endif
ifeq (${DECRYPTION_SUPPORT}, aes_gcm)
TF_MBEDTLS_USE_AES_GCM := 1
else
TF_MBEDTLS_USE_AES_GCM := 0
endif
ifeq ($(MEASURED_BOOT),1)
ifeq (${TPM_HASH_ALG}, sha256)
TF_MBEDTLS_TPM_HASH_ALG_ID := TF_MBEDTLS_SHA256
else ifeq (${TPM_HASH_ALG}, sha384)
TF_MBEDTLS_TPM_HASH_ALG_ID := TF_MBEDTLS_SHA384
else ifeq (${TPM_HASH_ALG}, sha512)
TF_MBEDTLS_TPM_HASH_ALG_ID := TF_MBEDTLS_SHA512
else
$(error "TPM_HASH_ALG not defined.")
endif
endif
# Needs to be set to drive mbed TLS configuration correctly
$(eval $(call add_defines,\
$(sort \
TF_MBEDTLS_KEY_ALG_ID \
TF_MBEDTLS_KEY_SIZE \
TF_MBEDTLS_HASH_ALG_ID \
TF_MBEDTLS_USE_AES_GCM \
)))
ifeq ($(MEASURED_BOOT),1)
$(eval $(call add_define,TF_MBEDTLS_TPM_HASH_ALG_ID))
endif
$(eval $(call MAKE_LIB,mbedtls))
endif