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CMakeLists.txt
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#
# Copyright (c) 2023 Linaro Limited
#
# SPDX-License-Identifier: Apache-2.0
#
if(CONFIG_MBEDTLS)
zephyr_interface_library_named(mbedTLS)
if(CONFIG_MBEDTLS_BUILTIN)
if(CONFIG_MBEDTLS_ENTROPY_POLL_ZEPHYR AND NOT CONFIG_ENTROPY_HAS_DRIVER)
message(WARNING "No entropy device on the system, using fake entropy source!")
endif()
if(CONFIG_MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
if(CONFIG_MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG_ALLOW_NON_CSPRNG)
message(WARNING "
Non cryptographycally secure sources are enabled for psa_generate_random().
This is meant to be used only for tests, not in production!")
else()
if(NOT CONFIG_CSPRNG_ENABLED)
message(FATAL_ERROR "
MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is set but there is
no CSPRNG enabled.")
endif()
endif()
endif()
# Add the config-file entry point
target_compile_definitions(mbedTLS INTERFACE
MBEDTLS_CONFIG_FILE="${CONFIG_MBEDTLS_CFG_FILE}"
)
if (CONFIG_BUILD_WITH_TFM)
target_include_directories(mbedTLS INTERFACE
$<TARGET_PROPERTY:tfm,TFM_BINARY_DIR>/api_ns/interface/include
)
endif()
# Add regular includes
target_include_directories(mbedTLS INTERFACE
${ZEPHYR_CURRENT_MODULE_DIR}/include
configs
include
)
if (CONFIG_MBEDTLS_PSA_P256M_DRIVER_RAW)
target_include_directories(mbedTLS INTERFACE
${ZEPHYR_CURRENT_MODULE_DIR}/3rdparty/p256-m/p256-m
)
endif()
# Add base library with files required by all drivers/backends.
zephyr_library_named(mbedTLSBase)
# Base mbed TLS files
list(APPEND mbedtls_base_src
${ZEPHYR_CURRENT_MODULE_DIR}/library/aes.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/aesni.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/aria.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/asn1parse.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/asn1write.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/base64.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/bignum_core.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/bignum_mod_raw.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/bignum_mod.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/bignum.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/block_cipher.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/camellia.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ccm.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/chacha20.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/chachapoly.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/cipher_wrap.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/cipher.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/cmac.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/constant_time.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ctr_drbg.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/debug.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/des.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/dhm.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecdh.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecdsa.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecjpake.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecp_curves_new.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecp_curves.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ecp.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/entropy_poll.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/entropy.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/error.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/gcm.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/hkdf.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/hmac_drbg.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/lmots.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/lms.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/md.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/md5.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/memory_buffer_alloc.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/mps_reader.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/mps_trace.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/nist_kw.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/oid.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/padlock.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/platform_util.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/platform.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/poly1305.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_util.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ripemd160.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/rsa_alt_helpers.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/rsa.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/sha1.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/sha256.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/sha512.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/sha3.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/threading.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/timing.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/version_features.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/version.c
zephyr_init.c
zephyr_entropy.c
)
zephyr_library_sources(${mbedtls_base_src})
zephyr_library_sources_ifdef(CONFIG_MBEDTLS_DEBUG debug.c)
zephyr_library_sources_ifdef(CONFIG_MBEDTLS_SHELL shell.c)
zephyr_library_app_memory(k_mbedtls_partition)
if(CONFIG_ARCH_POSIX AND CONFIG_ASAN AND NOT CONFIG_64BIT)
# i386 assembly code used in MBEDTLS does not compile with size optimization
# if address sanitizer is enabled, as such switch default optimization level
# to speed
set_property(SOURCE ${ZEPHYR_CURRENT_MODULE_DIR}/mbedtls/library/bignum.c APPEND PROPERTY COMPILE_OPTIONS
"${OPTIMIZE_FOR_SPEED_FLAG}")
endif ()
zephyr_library_link_libraries(mbedTLS)
zephyr_library_named(mbedTLSCrypto)
if (CONFIG_MBEDTLS_PSA_CRYPTO_C AND NOT CONFIG_BUILD_WITH_TFM)
list(APPEND crypto_source
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_aead.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_cipher.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_driver_wrappers_no_static.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_ecp.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_ffdh.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_hash.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_mac.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_rsa.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_se.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_storage.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_its_file.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_client.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/psa_crypto_slot_management.c
)
endif()
if(CONFIG_MBEDTLS_PSA_P256M_DRIVER_ENABLED)
list(APPEND crypto_source
${ZEPHYR_CURRENT_MODULE_DIR}/3rdparty/p256-m/p256-m_driver_entrypoints.c
${ZEPHYR_CURRENT_MODULE_DIR}/3rdparty/p256-m/p256-m/p256-m.c
)
zephyr_library_include_directories(${ZEPHYR_CURRENT_MODULE_DIR}/library)
endif()
list(APPEND crypto_source
${ZEPHYR_CURRENT_MODULE_DIR}/library/pem.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pkcs12.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pkcs5.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pkparse.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pkwrite.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pk.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pk_ecc.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/pk_wrap.c
)
zephyr_library_sources(${crypto_source})
zephyr_library_link_libraries(mbedTLS)
zephyr_library_link_libraries_ifdef(CONFIG_BUILD_WITH_TFM tfm_api)
zephyr_library_named(mbedTLSX509)
list(APPEND x509_source
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509_create.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509_crl.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509_crt.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509_csr.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509write_crt.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509write_csr.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/x509write.c
)
zephyr_library_sources(${x509_source})
zephyr_library_link_libraries(mbedTLS)
zephyr_library()
list(APPEND mbedtls_source
${ZEPHYR_CURRENT_MODULE_DIR}/library/net_sockets.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_cache.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_ciphersuites.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_client.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_cookie.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_debug_helpers_generated.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_msg.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_ticket.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls12_client.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls12_server.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls13_client.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls13_generic.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls13_keys.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls13_server.c
${ZEPHYR_CURRENT_MODULE_DIR}/library/ssl_tls.c
)
zephyr_library_sources(${mbedtls_source})
zephyr_library_link_libraries(
mbedTLSX509
mbedTLSCrypto
mbedTLSBase
mbedTLS
)
elseif (CONFIG_MBEDTLS_LIBRARY)
# NB: CONFIG_MBEDTLS_LIBRARY is not regression tested and is
# therefore susceptible to bit rot
target_include_directories(mbedTLS INTERFACE
${CONFIG_MBEDTLS_INSTALL_PATH}
)
zephyr_link_libraries(
mbedtls_external
-L${CONFIG_MBEDTLS_INSTALL_PATH}
gcc
)
# Lib mbedtls_external depends on libgcc (I assume?) so to allow
# mbedtls_external to link with gcc we need to ensure it is placed
# after mbedtls_external on the linkers command line.
else()
# If none of either CONFIG_MBEDTLS_BUILTIN or CONFIG_MBEDTLS_LIBRARY
# are defined the users need add a custom Kconfig choice to the
# MBEDTLS_IMPLEMENTATION and manually add the mbedtls library and
# included the required directories for mbedtls in their projects.
endif()
endif()