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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
project(t_cose
DESCRIPTION "t_cose"
LANGUAGES C
VERSION 1.0.1)
# Constants
set(CRYPTO_PROVIDERS "OpenSSL" "MbedTLS" "Test")
# Project options
set(CRYPTO_PROVIDER "OpenSSL" CACHE STRING "The crypto provider to use: ${CRYPTO_PROVIDERS}")
set(BUILD_TESTS ON CACHE BOOL "Build tests")
set(BUILD_EXAMPLES ON CACHE BOOL "Build examples")
if (NOT CRYPTO_PROVIDER IN_LIST CRYPTO_PROVIDERS)
message(FATAL_ERROR "CRYPTO_PROVIDER must be one of ${CRYPTO_PROVIDERS}")
endif()
# Built-in CMake options
set(BUILD_SHARED_LIBS OFF CACHE BOOL "Create shared instead of static libraries")
# Used in find_package() calls as preferred search paths
set(QCBOR_ROOT "" CACHE PATH "Installation prefix of QCBOR")
set(MbedTLS_ROOT "" CACHE PATH "Installation prefix of MbedTLS")
set(OpenSSL_ROOT "" CACHE PATH "Installation prefix of OpenSSL")
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "No build type selected, defaulting to Release")
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build type" FORCE)
endif()
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
if(CRYPTO_PROVIDER STREQUAL "MbedTLS")
find_package(MbedTLS REQUIRED)
set(CRYPTO_LIBRARY MbedTLS::MbedCrypto)
set(CRYPTO_COMPILE_DEFS -DT_COSE_USE_PSA_CRYPTO=1)
set(CRYPTO_ADAPTER_SRC crypto_adapters/t_cose_psa_crypto.c)
elseif(CRYPTO_PROVIDER STREQUAL "OpenSSL")
find_package(OpenSSL REQUIRED)
set(CRYPTO_LIBRARY OpenSSL::Crypto)
set(CRYPTO_COMPILE_DEFS -DT_COSE_USE_OPENSSL_CRYPTO=1)
set(CRYPTO_ADAPTER_SRC crypto_adapters/t_cose_openssl_crypto.c)
elseif(CRYPTO_PROVIDER STREQUAL "Test")
add_library(b_con_hash crypto_adapters/b_con_hash/sha256.c)
target_include_directories(b_con_hash PUBLIC crypto_adapters/b_con_hash)
set(CRYPTO_LIBRARY b_con_hash)
set(CRYPTO_COMPILE_DEFS -DT_COSE_USE_B_CON_SHA256 -DT_COSE_ENABLE_HASH_FAIL_TEST)
set(CRYPTO_ADAPTER_SRC crypto_adapters/t_cose_test_crypto.c)
else()
message(FATAL_ERROR "Bug!")
endif()
# Global compile options applying to all targets
add_compile_options(-pedantic -Wall)
set(T_COSE_SRC_COMMON
src/t_cose_sign1_sign.c
src/t_cose_parameters.c
src/t_cose_sign1_verify.c
src/t_cose_util.c
src/t_cose_short_circuit.c
)
find_package(QCBOR REQUIRED)
add_library(t_cose ${T_COSE_SRC_COMMON} ${CRYPTO_ADAPTER_SRC})
target_compile_options(t_cose PRIVATE -ffunction-sections)
target_compile_definitions(t_cose PRIVATE ${CRYPTO_COMPILE_DEFS})
target_include_directories(t_cose PUBLIC inc PRIVATE src)
target_link_libraries(t_cose PUBLIC QCBOR::QCBOR PRIVATE ${CRYPTO_LIBRARY})
include(GNUInstallDirs)
install(TARGETS t_cose
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
install(DIRECTORY inc/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
if (BUILD_EXAMPLES)
if (CRYPTO_PROVIDER STREQUAL "MbedTLS")
add_executable(t_cose_basic_example_psa examples/t_cose_basic_example_psa.c)
target_link_libraries(t_cose_basic_example_psa PRIVATE t_cose ${CRYPTO_LIBRARY})
elseif (CRYPTO_PROVIDER STREQUAL "OpenSSL")
add_executable(t_cose_basic_example_ossl examples/t_cose_basic_example_ossl.c)
target_link_libraries(t_cose_basic_example_ossl PRIVATE t_cose ${CRYPTO_LIBRARY})
endif()
endif()
if (BUILD_TESTS)
enable_testing()
set(TEST_SRC_COMMON
main.c
test/run_tests.c
test/t_cose_make_test_messages.c
test/t_cose_test.c
)
if (NOT CRYPTO_PROVIDER STREQUAL "Test")
list(APPEND TEST_SRC_COMMON test/t_cose_sign_verify_test.c)
endif()
if (CRYPTO_PROVIDER STREQUAL "MbedTLS")
set(TEST_SRC_EXTRA test/t_cose_make_psa_test_key.c)
set(TEST_EXTRA_DEFS)
elseif(CRYPTO_PROVIDER STREQUAL "OpenSSL")
set(TEST_SRC_EXTRA test/t_cose_make_openssl_test_key.c)
set(TEST_EXTRA_DEFS)
elseif(CRYPTO_PROVIDER STREQUAL "Test")
set(TEST_SRC_EXTRA)
set(TEST_EXTRA_DEFS -DT_COSE_ENABLE_HASH_FAIL_TEST -DT_COSE_DISABLE_SIGN_VERIFY_TESTS)
else()
message(FATAL_ERROR "Bug!")
endif()
add_executable(t_cose_test ${TEST_SRC_COMMON} ${TEST_SRC_EXTRA})
target_include_directories(t_cose_test PRIVATE src test)
target_link_libraries(t_cose_test PRIVATE t_cose ${CRYPTO_LIBRARY})
# Crypto defs are needed because the tests include headers from src/
target_compile_definitions(t_cose_test PRIVATE ${CRYPTO_COMPILE_DEFS} ${TEST_EXTRA_DEFS})
add_test(NAME t_cose_test COMMAND t_cose_test)
endif()