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#
# Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
include drivers/auth/mbedtls/mbedtls_common.mk
# The platform may define the variable 'MBEDTLS_KEY_ALG' to select the key
# algorithm to use. Default algorithm is RSA.
ifeq (${MBEDTLS_KEY_ALG},)
MBEDTLS_KEY_ALG := rsa
endif
MBEDTLS_CRYPTO_SOURCES := drivers/auth/mbedtls/mbedtls_crypto.c \
$(addprefix ${MBEDTLS_DIR}/library/, \
bignum.c \
md.c \
md_wrap.c \
pk.c \
pk_wrap.c \
pkparse.c \
pkwrite.c \
sha256.c \
)
# Key algorithm specific files
ifeq (${MBEDTLS_KEY_ALG},ecdsa)
MBEDTLS_CRYPTO_SOURCES += $(addprefix ${MBEDTLS_DIR}/library/, \
ecdsa.c \
ecp_curves.c \
ecp.c \
)
TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_ECDSA
else ifeq (${MBEDTLS_KEY_ALG},rsa)
MBEDTLS_CRYPTO_SOURCES += $(addprefix ${MBEDTLS_DIR}/library/, \
rsa.c \
)
TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_RSA
else
$(error "MBEDTLS_KEY_ALG=${MBEDTLS_KEY_ALG} not supported on mbed TLS")
endif
# Needs to be set to drive mbed TLS configuration correctly
$(eval $(call add_define,TF_MBEDTLS_KEY_ALG_ID))
BL1_SOURCES += ${MBEDTLS_CRYPTO_SOURCES}
BL2_SOURCES += ${MBEDTLS_CRYPTO_SOURCES}
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