1# 2# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7ifneq (${MBEDTLS_COMMON_MK},1) 8MBEDTLS_COMMON_MK := 1 9 10# MBEDTLS_DIR must be set to the mbed TLS main directory (it must contain 11# the 'include' and 'library' subdirectories). 12ifeq (${MBEDTLS_DIR},) 13 $(error Error: MBEDTLS_DIR not set) 14endif 15 16MBEDTLS_INC = -I${MBEDTLS_DIR}/include 17 18# Specify mbed TLS configuration file 19MBEDTLS_CONFIG_FILE := "<drivers/auth/mbedtls/mbedtls_config.h>" 20$(eval $(call add_define,MBEDTLS_CONFIG_FILE)) 21 22MBEDTLS_SOURCES += drivers/auth/mbedtls/mbedtls_common.c 23 24 25LIBMBEDTLS_SRCS := $(addprefix ${MBEDTLS_DIR}/library/, \ 26 asn1parse.c \ 27 asn1write.c \ 28 memory_buffer_alloc.c \ 29 oid.c \ 30 platform.c \ 31 platform_util.c \ 32 bignum.c \ 33 md.c \ 34 md_wrap.c \ 35 pk.c \ 36 pk_wrap.c \ 37 pkparse.c \ 38 pkwrite.c \ 39 sha256.c \ 40 sha512.c \ 41 ecdsa.c \ 42 ecp_curves.c \ 43 ecp.c \ 44 rsa.c \ 45 rsa_internal.c \ 46 x509.c \ 47 x509_crt.c \ 48 ) 49 50# The platform may define the variable 'TF_MBEDTLS_KEY_ALG' to select the key 51# algorithm to use. If the variable is not defined, select it based on 52# algorithm used for key generation `KEY_ALG`. If `KEY_ALG` is not defined, 53# then it is set to `rsa`. 54ifeq (${TF_MBEDTLS_KEY_ALG},) 55 ifeq (${KEY_ALG}, ecdsa) 56 TF_MBEDTLS_KEY_ALG := ecdsa 57 else 58 TF_MBEDTLS_KEY_ALG := rsa 59 endif 60endif 61 62ifeq (${TF_MBEDTLS_KEY_SIZE},) 63 ifneq ($(findstring rsa,${TF_MBEDTLS_KEY_ALG}),) 64 ifeq (${KEY_SIZE},) 65 TF_MBEDTLS_KEY_SIZE := 2048 66 else 67 TF_MBEDTLS_KEY_SIZE := ${KEY_SIZE} 68 endif 69 endif 70endif 71 72ifeq (${HASH_ALG}, sha384) 73 TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA384 74else ifeq (${HASH_ALG}, sha512) 75 TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA512 76else 77 TF_MBEDTLS_HASH_ALG_ID := TF_MBEDTLS_SHA256 78endif 79 80ifeq (${TF_MBEDTLS_KEY_ALG},ecdsa) 81 TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_ECDSA 82else ifeq (${TF_MBEDTLS_KEY_ALG},rsa) 83 TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_RSA 84else ifeq (${TF_MBEDTLS_KEY_ALG},rsa+ecdsa) 85 TF_MBEDTLS_KEY_ALG_ID := TF_MBEDTLS_RSA_AND_ECDSA 86else 87 $(error "TF_MBEDTLS_KEY_ALG=${TF_MBEDTLS_KEY_ALG} not supported on mbed TLS") 88endif 89 90# Needs to be set to drive mbed TLS configuration correctly 91$(eval $(call add_define,TF_MBEDTLS_KEY_ALG_ID)) 92$(eval $(call add_define,TF_MBEDTLS_KEY_SIZE)) 93$(eval $(call add_define,TF_MBEDTLS_HASH_ALG_ID)) 94 95 96$(eval $(call MAKE_LIB,mbedtls)) 97 98endif 99