cmake script

CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+cmake_minimum_required(VERSION 3.0)
+project(DECAF VERSION 0.9.4 LANGUAGES C CXX)
+
+set(DECAF_SO_VERSION "0")
+
+option(ENABLE_SHARED "Build shared library." ON)
+option(ENABLE_STATIC "Build static library." ON)
+option(ENABLE_STRICT "Build with strict compile options." YES)
+option(ENABLE_TESTS  "Enable compilation of tests." YES)
+
+if(NOT CPACK_GENERATOR AND NOT CMAKE_INSTALL_RPATH AND CMAKE_INSTALL_PREFIX)
+	set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_FULL_LIBDIR})
+	message(STATUS "Setting install rpath to ${CMAKE_INSTALL_RPATH}")
+endif()
+
+include(GNUInstallDirs)
+include(CheckSymbolExists)
+include(CMakePushCheckState)
+
+include_directories(
+	src/GENERATED/include/
+	src/include/
+	src/
+	${CMAKE_CURRENT_BINARY_DIR}
+)
+
+set(STRICT_OPTIONS_CPP )
+set(STRICT_OPTIONS_C )
+set(STRICT_OPTIONS_CXX )
+if(MSVC)
+	if(ENABLE_STRICT)
+		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} /WX")
+	endif()
+else()
+        set(STRICT_OPTIONS_CXX "${STRICT_OPTIONS_CXX}  -std=c++11 -O2 ")
+	set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP}  -Wall -Wuninitialized -Wno-deprecated-declarations -Wno-missing-field-initializers ")
+	set(STRICT_OPTIONS_C "${STRICT_OPTIONS_C}  -std=c99 -O2 -Wstrict-prototypes -Wno-error=strict-prototypes -ffunction-sections -fdata-sections -fvisibility=hidden -fomit-frame-pointer ")
+	if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Qunused-arguments -Wno-array-bounds ")
+	endif()
+	if(APPLE)
+		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Wno-error=unknown-warning-option -Qunused-arguments -Wno-tautological-compare -Wno-unused-function -Wno-array-bounds ")
+		set(STRICT_OPTIONS_CXX "${STRICT_OPTIONS_CXX} -stdlib=libc++ ")
+	endif()
+	if(ENABLE_STRICT)
+		set(STRICT_OPTIONS_CPP "${STRICT_OPTIONS_CPP} -Werror -Wextra -Wno-unused-parameter -fno-strict-aliasing ")
+	endif()
+endif()
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${STRICT_OPTIONS_C}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${STRICT_OPTIONS_CXX}")
+
+add_subdirectory(src)
+
+if(ENABLE_TESTS)
+        enable_testing()
+	add_subdirectory(test)
+endif()
+
+include(CMakePackageConfigHelpers)
+export(EXPORT ${EXPORT_TARGETS_NAME}Targets
+	FILE "${CMAKE_CURRENT_BINARY_DIR}/DecafTargets.cmake"
+)
+configure_file(cmake/DecafConfig.cmake.in
+	"${CMAKE_CURRENT_BINARY_DIR}/DecafConfig.cmake"
+	@ONLY
+)
+set(ConfigPackageLocation share/decaf/cmake)
+install(EXPORT ${EXPORT_TARGETS_NAME}Targets
+	FILE DecafTargets.cmake
+	DESTINATION ${ConfigPackageLocation}
+)
+install(FILES
+	"${CMAKE_CURRENT_BINARY_DIR}/DecafConfig.cmake"
+	DESTINATION ${ConfigPackageLocation}
+)
+
+# CPack settings
+set(CPACK_PACKAGE_NAME "decaf")
+set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
+set(CPACK_SOURCE_GENERATOR "TGZ")
+set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
+set(CPACK_SOURCE_IGNORE_FILES
+        "^${CMAKE_BINARY_DIR}"
+        "/\\\\..+"
+)
+
+include(CPack)

cmake/DecafConfig.cmake.in

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+############################################################################
+# decafConfig.cmake
+# Copyright (C) 2017  Belledonne Communications, Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+############################################################################
+#
+# Config file for the decaf package.
+# It defines the following variables:
+#
+#  DECAF_FOUND - system has decaf
+#  DECAF_INCLUDE_DIRS - the decaf include directory
+#  DECAF_LIBRARIES - The libraries needed to use decaf
+#  DECAF_CPPFLAGS - The compilation flags needed to use decaf
+
+
+if(@ENABLE_SHARED@)
+	set(DECAF_TARGETNAME decaf)
+	set(DECAF_LIBRARIES ${DECAF_TARGETNAME})
+else()
+	set(DECAF_TARGETNAME decaf-static)
+	if(TARGET ${DECAF_TARGETNAME})
+		get_target_property(DECAF_LIBRARIES ${DECAF_TARGETNAME} LOCATION)
+		get_target_property(DECAF_LINK_LIBRARIES ${DECAF_TARGETNAME} INTERFACE_LINK_LIBRARIES)
+		if(DECAF_LINK_LIBRARIES)
+			list(APPEND DECAF_LIBRARIES ${DECAF_LINK_LIBRARIES})
+		endif()
+	endif()
+endif()
+get_target_property(DECAF_INCLUDE_DIRS ${DECAF_TARGETNAME} INTERFACE_INCLUDE_DIRECTORIES)
+list(INSERT DECAF_INCLUDE_DIRS 0 "@CMAKE_INSTALL_FULL_INCLUDEDIR@")
+list(REMOVE_DUPLICATES DECAF_INCLUDE_DIRS)
+
+set(DECAF_CPPFLAGS @DECAF_CPPFLAGS@)
+set(DECAF_FOUND 1)

src/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+set(DECAF_HEADER_FILES
+	include/constant_time.h
+	include/field.h
+	include/keccak_internal.h
+	include/portable_endian.h
+	include/word.h
+)
+set(DECAF_SOURCE_FILES_C
+	utils.c
+	shake.c
+	sha512.c
+	spongerng.c
+
+)
+
+# default target arch is arch_32 which shall be generic enough to compile mostly on anything
+# target arch dirs:
+# global one to get the include/arch_intrinsics.h
+# availables: arch_32, arch_arm_32, arch_neon, arch_ref64, arch_x86_64
+set(TARGET_ARCH_DIR arch_32)
+# specific to p25519, to get f_impl.c/h in p25519
+#availables: arch_32, arch_ref64, arch_x86_64
+set(TARGET_ARCH_DIR_P25519 arch_32)
+# specific to p448, to get f_impl.c/h in p448
+# availables: arch_32, arch_arm_32, arch_neon, arch_ref64, arch_x86_64
+set(TARGET_ARCH_DIR_P448 arch_32)
+
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64") # x86_64
+	message("Target architecture is x86_64")
+	set(TARGET_ARCH_DIR arch_x86_64)
+	set(TARGET_ARCH_DIR_P25519 arch_x86_64)
+	set(TARGET_ARCH_DIR_P448 arch_x86_64)
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arch64") # shall be arm64 bits, stick to ref64
+	message("Target architecture is 64 bits general purpose(arm64 shall use this)")
+	set(TARGET_ARCH_DIR arch_ref64)
+	set(TARGET_ARCH_DIR_P25519 arch_ref64)
+	set(TARGET_ARCH_DIR_P448 arch_ref64)
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm") # is an arm 32 bits, TODO: detect neon features?
+	message("Target architecture is arm32 no NEON")
+	set(TARGET_ARCH_DIR arch_arm_32)
+	set(TARGET_ARCH_DIR_P25519 arch_32) # nothing specific for arm32 on p25519
+	set(TARGET_ARCH_DIR_P448 arch_arm_32)
+else() # nothing picked yet, stick to the
+	message("Target architecture is general purpose 32bits")
+endif()
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/include/${TARGET_ARCH_DIR}
+)
+
+set(DECAF_SOURCE_FILES_CXX
+)
+
+add_subdirectory(GENERATED/c/p25519)
+add_subdirectory(GENERATED/c/p448)
+add_subdirectory(GENERATED/c/curve25519)
+add_subdirectory(GENERATED/c/ed448goldilocks)
+
+
+if(ENABLE_STATIC)
+	add_library(decaf-static STATIC ${DECAF_HEADER_FILES} ${DECAF_SOURCE_FILES_C} ${DECAF_SOURCE_FILES_CXX} $<TARGET_OBJECTS:p25519> $<TARGET_OBJECTS:p448> $<TARGET_OBJECTS:CURVE25519> $<TARGET_OBJECTS:CURVE448>)
+	set_target_properties(decaf-static PROPERTIES OUTPUT_NAME decaf)
+	target_include_directories(decaf-static PUBLIC)
+	target_link_libraries(decaf-static INTERFACE)
+endif()
+if(ENABLE_SHARED)
+	add_library(decaf SHARED ${DECAF_HEADER_FILES} ${DECAF_SOURCE_FILES_C} ${DECAF_SOURCE_FILES_CXX} $<TARGET_OBJECTS:p25519> $<TARGET_OBJECTS:p448> $<TARGET_OBJECTS:CURVE25519> $<TARGET_OBJECTS:CURVE448>)
+	if(APPLE)
+		set_target_properties(decaf PROPERTIES LINK_FLAGS "-stdlib=libc++")
+	endif()
+	set_target_properties(decaf PROPERTIES VERSION ${DECAF_SO_VERSION})
+	target_include_directories(decaf PUBLIC)
+	target_link_libraries(decaf PRIVATE)
+	if(MSVC)
+		if(CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
+			install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_BUILD_TYPE}/decaf.pdb
+				DESTINATION ${CMAKE_INSTALL_BINDIR}
+				PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+			)
+		endif()
+	endif()
+endif()
+
+if(ENABLE_STATIC)
+	install(TARGETS decaf-static EXPORT ${EXPORT_TARGETS_NAME}Targets
+		RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+		LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+	)
+endif()
+if(ENABLE_SHARED)
+	install(TARGETS decaf EXPORT ${EXPORT_TARGETS_NAME}Targets
+		RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+		LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+		PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+	)
+endif()
+
+install(DIRECTORY GENERATED/include/
+	DESTINATION include/decaf
+	FILES_MATCHING PATTERN "*.h*"
+	PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
+)

src/GENERATED/c/curve25519/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p25519
+	${PROJECT_SOURCE_DIR}/src/GENERATED/c/p25519
+)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p25519/${TARGET_ARCH_DIR_P25519}
+)
+
+set(CURVE25519_SOURCE_FILES_C
+	decaf.c
+	elligator.c
+	scalar.c
+	eddsa.c
+	decaf_tables.c
+)
+
+add_library(CURVE25519 OBJECT ${CURVE25519_SOURCE_FILES_C})
+set_target_properties(CURVE25519 PROPERTIES POSITION_INDEPENDENT_CODE True)

src/GENERATED/c/ed448goldilocks/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p448
+	${PROJECT_SOURCE_DIR}/src/GENERATED/c/p448
+)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p448/${TARGET_ARCH_DIR_P448}
+)
+
+set(CURVE448_SOURCE_FILES_C
+	decaf.c
+	elligator.c
+	scalar.c
+	eddsa.c
+	decaf_tables.c
+)
+
+add_library(CURVE448 OBJECT ${CURVE448_SOURCE_FILES_C})
+set_target_properties(CURVE448 PROPERTIES POSITION_INDEPENDENT_CODE True)

src/GENERATED/c/p25519/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p25519
+	${PROJECT_SOURCE_DIR}/src/GENERATED/c/p25519
+)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p25519/${TARGET_ARCH_DIR_P25519}
+)
+
+set(P25519_HEADER_FILES
+	f_field.h
+	${PROJECT_SOURCE_DIR}/src/p25519/${TARGET_ARCH_DIR_P25519}/f_impl.h
+)
+set(P25519_SOURCE_FILES_C
+	${PROJECT_SOURCE_DIR}/src/p25519/${TARGET_ARCH_DIR_P25519}/f_impl.c
+	${PROJECT_SOURCE_DIR}/src/p25519/f_arithmetic.c
+	f_generic.c
+)
+
+add_library(p25519 OBJECT ${P25519_HEADER_FILES} ${P25519_SOURCE_FILES_C})
+set_target_properties(p25519 PROPERTIES POSITION_INDEPENDENT_CODE True)

src/GENERATED/c/p448/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p448
+	${PROJECT_SOURCE_DIR}/src/GENERATED/c/p448
+)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/src/p448/${TARGET_ARCH_DIR_P448}
+)
+
+
+set(P448_HEADER_FILES
+	f_field.h
+	${PROJECT_SOURCE_DIR}/src/p448/${TARGET_ARCH_DIR_P448}/f_impl.h
+)
+set(P448_SOURCE_FILES_C
+	${PROJECT_SOURCE_DIR}/src/p448/${TARGET_ARCH_DIR_P448}/f_impl.c
+	${PROJECT_SOURCE_DIR}/src/p448/f_arithmetic.c
+	f_generic.c
+)
+
+add_library(p448 OBJECT ${P448_HEADER_FILES} ${P448_SOURCE_FILES_C})
+set_target_properties(p448 PROPERTIES POSITION_INDEPENDENT_CODE True)

test/CMakeLists.txt

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+############################################################################
+# CMakeLists.txt
+#
+#    Released under the MIT License.  See LICENSE.txt for license information.
+#
+############################################################################
+if(ENABLE_SHARED)
+	set(DECAF_LIBRARIES_FOR_TESTER decaf)
+else()
+	set(DECAF_LIBRARIES_FOR_TESTER decaf-static)
+endif()
+
+add_executable(decaf_tester test_decaf.cxx)
+set_target_properties(decaf_tester PROPERTIES LINKER_LANGUAGE CXX)
+target_link_libraries(decaf_tester ${DECAF_LIBRARIES_FOR_TESTER})
+
+add_executable(ristretto_tester ristretto.cxx)
+set_target_properties(ristretto_tester PROPERTIES LINKER_LANGUAGE CXX)
+target_link_libraries(ristretto_tester ${DECAF_LIBRARIES_FOR_TESTER})
+
+add_executable(shakesum_tester shakesum.c)
+set_target_properties(shakesum_tester PROPERTIES LINKER_LANGUAGE C)
+target_link_libraries(shakesum_tester ${DECAF_LIBRARIES_FOR_TESTER})
+
+add_executable(bench bench_decaf.cxx)
+set_target_properties(bench PROPERTIES LINKER_LANGUAGE CXX)
+target_link_libraries(bench ${DECAF_LIBRARIES_FOR_TESTER})
+
+add_test(NAME decaf COMMAND decaf_tester)
+add_test(NAME bench COMMAND bench)
+