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CMakeLists.txt
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# CMakeLists.txt
#
# Copyright (C) 2006-2024 wolfSSL Inc.
#
# This file is part of wolfSSL. (formerly known as CyaSSL)
#
# Usage:
# $ mkdir build
# $ cd build
# $ cmake ..
# $ cmake --build .
#
# To build with debugging use:
# $ cmake .. -DCMAKE_BUILD_TYPE=Debug
#
# See "Building with CMake" in INSTALL for more.
####################################################
# Project
####################################################
cmake_minimum_required(VERSION 3.16)
if(${CMAKE_VERSION} VERSION_LESS "3.22")
message(STATUS "This project recommends using CMake version 3.22 or higher. You are using ${CMAKE_VERSION}.")
else()
cmake_policy(SET CMP0128 NEW)
endif()
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
message(FATAL_ERROR "In-source builds are not allowed.\
Run cmake from a separate directory from where CMakeLists.txt lives.\
NOTE: cmake will now create CMakeCache.txt and CMakeFiles/*.\
You must delete them, or cmake will refuse to work.")
endif()
project(wolfssl VERSION 5.7.2 LANGUAGES C ASM)
# Set WOLFSSL_ROOT if not already defined
if ("${WOLFSSL_ROOT}" STREQUAL "")
# we'll assume this CMakeLists.txt is in the root of wolfSSL
if (EXISTS "${CMAKE_SOURCE_DIR}/wolfcrypt/src/")
get_filename_component(WOLFSSL_ROOT "${CMAKE_SOURCE_DIR}" ABSOLUTE)
message(STATUS "Found WOLFSSL_ROOT = ${WOLFSSL_ROOT}")
endif()
else()
message(STATUS "Using predefined WOLFSSL_ROOT = ${WOLFSSL_ROOT}")
endif()
# shared library versioning
# increment if interfaces have been removed or changed
set(WOLFSSL_LIBRARY_VERSION_FIRST 42)
# increment if interfaces have been added
# set to zero if WOLFSSL_LIBRARY_VERSION_FIRST is incremented
set(WOLFSSL_LIBRARY_VERSION_SECOND 2)
# increment if source code has changed
# set to zero if WOLFSSL_LIBRARY_VERSION_FIRST is incremented or
# WOLFSSL_LIBRARY_VERSION_SECOND is incremented
set(WOLFSSL_LIBRARY_VERSION_THIRD 0)
set(LIBTOOL_FULL_VERSION ${WOLFSSL_LIBRARY_VERSION_FIRST}.${WOLFSSL_LIBRARY_VERSION_SECOND}.${WOLFSSL_LIBRARY_VERSION_THIRD})
set(WOLFSSL_DEFINITIONS)
set(WOLFSSL_LINK_LIBS)
set(WOLFSSL_INCLUDE_DIRS)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/")
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/functions.cmake)
####################################################
# Compiler
####################################################
# Let CMake choose default compiler
# TODO: See gl_VISIBILITY in visibility.m4. Need to perform
# the same checks.
# TODO: Turn on warnings.
if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
# Silence ranlib warning "has no symbols"
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
endif()
include(CheckIncludeFile)
check_include_file("arpa/inet.h" HAVE_ARPA_INET_H)
check_include_file("fcntl.h" HAVE_FCNTL_H)
check_include_file("limits.h" HAVE_LIMITS_H)
check_include_file("netdb.h" HAVE_NETDB_H)
check_include_file("netinet/in.h" HAVE_NETINET_IN_H)
check_include_file("stddef.h" HAVE_STDDEF_H)
check_include_file("time.h" HAVE_TIME_H)
check_include_file("sys/ioctl.h" HAVE_SYS_IOCTL_H)
check_include_file("sys/socket.h" HAVE_SYS_SOCKET_H)
check_include_file("sys/time.h" HAVE_SYS_TIME_H)
check_include_file("errno.h" HAVE_ERRNO_H)
check_include_file("dlfcn.h" HAVE_DLFCN_H)
check_include_file("inttypes.h" HAVE_INTTYPES_H)
check_include_file("memory.h" HAVE_MEMORY_H)
check_include_file("stdint.h" HAVE_STDINT_H)
check_include_file("stdlib.h" HAVE_STDLIB_H)
check_include_file("string.h" HAVE_STRING_H)
check_include_file("strings.h" HAVE_STRINGS_H)
check_include_file("sys/stat.h" HAVE_SYS_STAT_H)
check_include_file("sys/types.h" HAVE_SYS_TYPES_H)
check_include_file("unistd.h" HAVE_UNISTD_H)
include(CheckFunctionExists)
# TODO: Also check if these functions are declared by the
# expected headers. See comments around
# AC_CHECK_FUNCS/AC_CHECK_DECLS in configure.ac.
check_function_exists("gethostbyname" HAVE_GETHOSTBYNAME)
check_function_exists("getaddrinfo" HAVE_GETADDRINFO)
check_function_exists("gettimeofday" HAVE_GETTIMEOFDAY)
check_function_exists("gmtime_r" HAVE_GMTIME_R)
check_function_exists("inet_ntoa" HAVE_INET_NTOA)
check_function_exists("memset" HAVE_MEMSET)
check_function_exists("socket" HAVE_SOCKET)
check_function_exists("strftime" HAVE_STRFTIME)
check_function_exists("__atomic_fetch_add" HAVE_C___ATOMIC)
include(CheckTypeSize)
check_type_size("__uint128_t" __UINT128_T)
check_type_size("long long" SIZEOF_LONG_LONG)
check_type_size("long" SIZEOF_LONG)
check_type_size("time_t" SIZEOF_TIME_T)
# By default, HAVE___UINT128_T gets defined as TRUE,
# but we want it as 1.
if(HAVE___UINT128_T)
set(HAVE___UINT128_T "1" CACHE INTERNAL "Result of TRY_COMPILE" FORCE)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE___UINT128_T")
endif()
if(CMAKE_VERSION VERSION_LESS "3.20")
# TestBigEndian was deprecated in 3.20
include(TestBigEndian)
test_big_endian(IS_BIG_ENDIAN)
set(CMAKE_C_BYTE_ORDER "LITTLE_ENDIAN")
if(IS_BIG_ENDIAN)
set(CMAKE_C_BYTE_ORDER "BIG_ENDIAN")
endif()
endif()
# Thread local storage
include(CheckCSourceCompiles)
set(TLS_KEYWORDS "__thread" "__declspec(thread)")
foreach(TLS_KEYWORD IN LISTS TLS_KEYWORDS)
set(TLS_CODE "#include <stdlib.h>
static void foo(void) {
static ${TLS_KEYWORD} int bar\;
exit(1)\;
}
int main() {
return 0\;
}"
)
check_c_source_compiles(${TLS_CODE} THREAD_LS_ON)
if(THREAD_LS_ON)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_THREAD_LS")
break()
else()
# THREAD_LS_ON is cached after each call to
# check_c_source_compiles, and the function
# won't run subsequent times if the variable
# is in the cache. To make it run again, we
# need to remove the variable from the cache.
unset(THREAD_LS_ON CACHE)
endif()
endforeach()
# TODO: AX_PTHREAD does a lot. Need to implement the
# rest of its logic.
find_package(Threads)
####################################################
# Cross Compile Example
####################################################
#set(CMAKE_SYSTEM_NAME Linux)
#set(CMAKE_SYSTEM_PROCESSOR arm)
#set(CMAKE_C_COMPILER "/opt/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-gcc")
#set(CMAKE_CXX_COMPILER "/opt/arm-linux-musleabihf-cross/bin/arm-linux-musleabihf-g++")
#set(CMAKE_SYSROOT "/opt/arm-linux-musleabihf-cross/arm-linux-musleabihf/")
# Example for setting CFLAGS
#set(CMAKE_C_FLAGS "-std=gnu89 ${CMAKE_C_FLAGS}")
# Example for map file and custom linker script
#set(CMAKE_EXE_LINKER_FLAGS " -Xlinker -Map=output.map -T\"${CMAKE_CURRENT_SOURCE_DIR}/linker.ld\"")
if(DEFINED WARNING_C_FLAGS)
set(CMAKE_C_FLAGS "${WARNING_C_FLAGS} ${CMAKE_C_FLAGS}")
elseif(WIN32)
# Windows cl.exe does not support the -Wextra, -Wno-unused and -Werror flags.
set(CMAKE_C_FLAGS "-Wall ${CMAKE_C_FLAGS}")
else()
set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused -Werror ${CMAKE_C_FLAGS}")
endif()
####################################################
# Build Options
####################################################
# TODO: - FIPS
# - Distro
# - Linux Kernel Module
# - Single precision math
# - Enable all
# - Enable all crypto
# For reproducible build, gate out from the build anything that might
# introduce semantically frivolous jitter, maximizing chance of
# identical object files.
add_option("WOLFSSL_REPRODUCIBLE_BUILD"
"Enable maximally reproducible build (default: disabled)"
"no" "yes;no")
if(WOLFSSL_REPRODUCIBLE_BUILD)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_REPRODUCIBLE_BUILD")
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Dqc <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> Dq <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -D <TARGET>")
endif()
add_option("WOLFSSL_INSTALL" "Create install target for WolfSSL project" "yes" "yes;no")
# Support for forcing 32-bit mode
# TODO: detect platform from other options
add_option("WOLFSSL_32BIT"
"Enables 32-bit support (default: disabled)"
"no" "yes;no")
# 16-bit compiler support
add_option("WOLFSSL_16BIT"
"Enables 16-bit support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_16BIT)
list(APPEND WOLFSSL_DEFINITIONS "-DWC_16BIT_CPU")
endif()
# Support for disabling all ASM
add_option("WOLFSSL_ASM"
"Enables option for assembly (default: enabled)"
"yes" "yes;no")
if(NOT WOLFSSL_ASM)
list(APPEND WOLFSSL_DEFINITIONS
"-DTFM_NO_ASM"
"-DWOLFSSL_NO_ASM")
endif()
# Enable Debugging
add_option("WOLFSSL_DEBUG"
"Enables option for debug (default: disabled)"
"no" "yes;no")
if(WOLFSSL_DEBUG)
set(CMAKE_C_FLAGS "-g ${CMAKE_C_FLAGS}")
list(APPEND WOLFSSL_DEFINITIONS
"-DDEBUG_WOLFSSL"
"-DDEBUG")
endif()
# Single threaded
add_option("WOLFSSL_SINGLE_THREADED"
"Enable wolfSSL single threaded (default: disabled)"
"no" "yes;no")
# TODO: Logic here isn't complete, yet (see AX_PTHREAD)
if(NOT WOLFSSL_SINGLE_THREADED)
if(CMAKE_USE_PTHREADS_INIT)
list(APPEND WOLFSSL_LINK_LIBS Threads::Threads)
set(HAVE_PTHREAD 1)
list(APPEND WOLFSSL_DEFINITIONS
"-DHAVE_PTHREAD"
"-D_POSIX_THREADS")
endif()
else()
list(APPEND WOLFSSL_DEFINITIONS "-DSINGLE_THREADED")
endif()
# DTLS-SRTP
add_option("WOLFSSL_SRTP"
"Enables wolfSSL DTLS-SRTP (default: disabled)"
"no" "yes;no")
if(WOLFSSL_SRTP)
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_SRTP")
set(WOLFSSL_DTLS "yes")
set(WOLFSSL_KEYING_MATERIAL "yes")
endif()
# DTLS
add_option("WOLFSSL_DTLS"
"Enables wolfSSL DTLS (default: disabled)"
"no" "yes;no")
if(WOLFSSL_DTLS)
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_DTLS")
endif()
# TLS v1.3
add_option("WOLFSSL_TLS13"
"Enable wolfSSL TLS v1.3 (default: enabled)"
"yes" "yes;no")
if("${FIPS_VERSION}" STREQUAL "v1")
override_cache(WOLFSSL_TLS13 "no")
endif()
# Post-handshake authentication
add_option("WOLFSSL_POSTAUTH"
"Enable wolfSSL Post-handshake Authentication (default: disabled)"
"no" "yes;no")
if(WOLFSSL_POSTAUTH)
if(NOT WOLFSSL_TLS13)
message(WARNING "TLS 1.3 is disabled - disabling Post-handshake Authentication")
override_cache(WOLFSSL_POSTAUTH "no")
else()
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_POST_HANDSHAKE_AUTH")
endif()
endif()
# Hello Retry Request Cookie
add_option("WOLFSSL_HRR_COOKIE"
"Enable the server to send Cookie Extension in HRR with state (default: disabled)"
"undefined" "yes;no;undefined")
if("${WOLFSSL_HRR_COOKIE}" STREQUAL "yes")
if(NOT WOLFSSL_TLS13)
message(WARNING "TLS 1.3 is disabled - disabling HRR Cookie")
override_cache(WOLFSSL_HRR_COOKIE "no")
else()
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_SEND_HRR_COOKIE")
endif()
endif()
# DTLS v1.3
add_option("WOLFSSL_DTLS13"
"Enable wolfSSL DTLS v1.3 (default: disabled)"
"no" "yes;no")
if(WOLFSSL_DTLS13)
if (NOT WOLFSSL_DTLS)
message(FATAL_ERROR "DTLS13 requires DTLS")
endif()
if (NOT WOLFSSL_TLS13)
message(FATAL_ERROR "DTLS13 requires TLS13")
endif()
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_DTLS13")
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_W64_WRAPPER")
if ("${WOLFSSL_HRR_COOKIE}" STREQUAL "undefined")
message(WARNING "DTLS1.3 is enabled - enabling HRR Cookie")
override_cache(WOLFSSL_HRR_COOKIE "yes")
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_SEND_HRR_COOKIE")
endif()
if (WOLFSSL_AES)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_AES_DIRECT")
endif()
endif()
# DTLS ConnectionID support
add_option("WOLFSSL_DTLS_CID"
"Enables wolfSSL DTLS CID (default: disabled)"
"no" "yes;no")
if(WOLFSSL_DTLS_CID)
if(NOT WOLFSSL_DTLS13)
message(FATAL_ERROR "CID are supported only for DTLSv1.3")
endif()
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_DTLS_CID")
endif()
# RNG
add_option("WOLFSSL_RNG"
"Enable compiling and using RNG (default: enabled)"
"yes" "yes;no")
if(NOT WOLFSSL_RNG)
list(APPEND WOLFSSL_DEFINITIONS "-DWC_NO_RNG")
endif()
# QUIC
add_option(WOLFSSL_QUIC
"Enable QUIC support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_QUIC)
set(WOLFSSL_ALPN "yes")
set(WOLFSSL_OPENSSLEXTRA "yes")
set(WOLFSSL_AESCTR "yes")
set(WOLFSSL_CURVE25519 "yes")
set(WOLFSSL_SNI "yes")
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_QUIC" "-DHAVE_EX_DATA")
endif()
# Curl
add_option(WOLFSSL_CURL
"Enable CURL support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_CURL)
set(WOLFSSL_MD4 "yes")
set(WOLFSSL_DES3 "yes")
set(WOLFSSL_ALPN "yes")
set(WOLFSSL_OPENSSLEXTRA "yes")
set(WOLFSSL_CRL "yes")
set(WOLFSSL_OCSP "yes")
set(WOLFSSL_OCSPSTAPLING "yes")
set(WOLFSSL_OCSPSTAPLING_V2 "yes")
set(WOLFSSL_SNI "yes")
set(WOLFSSL_ALT_CERT_CHAINS "yes")
set(WOLFSSL_IP_ALT_NAME "yes")
set(WOLFSSL_SESSION_TICKET "yes")
set(WOLFSSL_WOLFSSH "yes")
list(APPEND WOLFSSL_DEFINITIONS
"-DNO_SESSION_CACHE_REF" "-DWOLFSSL_DES_ECB")
endif()
# ALPN
add_option(WOLFSSL_ALPN
"Enable ALPN support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_ALPN)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_ALPN" "-DHAVE_TLS_EXTENSIONS")
endif()
# altcertchains
add_option(WOLFSSL_ALT_CERT_CHAINS
"Enable support for Alternate certification chains (default: disabled)"
"no" "yes;no")
if(WOLFSSL_ALT_CERT_CHAINS)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_ALT_CERT_CHAINS")
endif()
# ip-alt-name
add_option(WOLFSSL_IP_ALT_NAME
"Enable support for IP alternative name (default: disabled)"
"no" "yes;no")
if(WOLFSSL_IP_ALT_NAME)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_IP_ALT_NAME")
endif()
# wolfSSH
add_option(WOLFSSL_WOLFSSH
"Enable support for wolfSSH (default: disabled)"
"no" "yes;no")
if(WOLFSSL_WOLFSSH)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_WOLFSSH")
endif()
if(WOLFSSL_WOLFSSH OR WOLFSSL_WPAS)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_PUBLIC_MP")
endif()
# TODO: - DTLS-SCTP
# - DTLS multicast
# - OpenSSH
# - OpenVPN
# - Nginx
# - HAProxy
# - wpa_supplicant
# - Fortress
# - libwebsockets
# - Qt
# - SSL bump
# - sniffer
# - Signal
# - OpenSSL coexist
# - Max strength
# Harden, enable Timing Resistance and Blinding by default
add_option("WOLFSSL_HARDEN"
"Enable Hardened build, Enables Timing Resistance and Blinding (default: enabled)"
"yes" "yes;no")
if(WOLFSSL_HARDEN)
list(APPEND WOLFSSL_DEFINITIONS "-DTFM_TIMING_RESISTANT" "-DECC_TIMING_RESISTANT")
if(WOLFSSL_RNG)
list(APPEND WOLFSSL_DEFINITIONS "-DWC_RSA_BLINDING")
endif()
else()
list(APPEND WOLFSSL_DEFINITIONS "-DWC_NO_HARDEN")
endif()
add_option(WOLFSSL_OPENSSLEXTRA
"Enable extra OpenSSL API, size+ (default: disabled)"
"no" "yes;no")
add_option(WOLFSSL_OPENSSLALL
"Enable all OpenSSL API, size++ (default: disabled)"
"no" "yes;no")
add_option(WOLFSSL_ASIO
"Enable asio support (default: disabled)"
"no" "yes;no")
if (WOLFSSL_ASIO)
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_ASIO" "-DASIO_USE_WOLFSSL"
"-DBOOST_ASIO_USE_WOLFSSL" "-DHAVE_EX_DATA"
"-DSSL_TXT_TLSV1_2" "-DOPENSSL_NO_SSL2" "-DOPENSSL_NO_SSL3"
"-DHAVE_OCSP" "-DWOLFSSL_KEY_GEN")
override_cache(WOLFSSL_OPENSSLALL "yes")
override_cache(WOLFSSL_OPENSSLEXTRA "yes")
endif()
if (WOLFSSL_OPENSSLEXTRA AND NOT WOLFSSL_OPENSSLCOEXIST)
list(APPEND WOLFSSL_DEFINITIONS
"-DOPENSSL_EXTRA")
endif()
if (WOLFSSL_OPENSSLALL)
list(APPEND WOLFSSL_DEFINITIONS
"-DOPENSSL_ALL" "-DWOLFSSL_EITHER_SIDE" "-DWC_RSA_NO_PADDING"
"-DWC_RSA_PSS" "-DWOLFSSL_PSS_LONG_SALT" "-DWOLFSSL_TICKET_HAVE_ID"
"-DWOLFSSL_ERROR_CODE_OPENSSL" "-DWOLFSSL_CERT_NAME_ALL")
endif()
add_option(WOLFSSL_NO_STUB
"Removes OpenSSL compatibility stub functions (default: disabled)"
"no" "yes;no")
if (WOLFSSL_NO_STUB)
list(APPEND WOLFSSL_DEFINITIONS
"-DNO_WOLFSSL_STUB")
endif()
# TODO: - IPv6 test apps
set(WOLFSSL_SLOW_MATH "yes")
# liboqs
add_option(WOLFSSL_OQS
"Enable integration with the OQS (Open Quantum Safe) liboqs library (default: disabled)"
"no" "yes;no")
# Kyber
add_option(WOLFSSL_KYBER
"Enable the wolfSSL PQ Kyber library (default: disabled)"
"no" "yes;no")
# Experimental features
add_option(WOLFSSL_EXPERIMENTAL
"Enable experimental features (default: disabled)"
"no" "yes;no")
message(STATUS "Looking for WOLFSSL_EXPERIMENTAL")
if (WOLFSSL_EXPERIMENTAL)
message(STATUS "Looking for WOLFSSL_EXPERIMENTAL - found")
# We've enabled the experimental environment, but let's
# check if any experimental features are also enabled:
set(WOLFSSL_FOUND_EXPERIMENTAL_FEATURE 0)
set_wolfssl_definitions("WOLFSSL_EXPERIMENTAL_SETTINGS" RESUlT)
# Checking for experimental feature: OQS
message(STATUS "Looking for WOLFSSL_OQS")
if (WOLFSSL_OQS)
set(WOLFSSL_FOUND_EXPERIMENTAL_FEATURE 1)
message(STATUS "Looking for WOLFSSL_OQS - found")
message(STATUS "Checking OQS")
find_package(OQS)
if (OQS_FOUND)
message(STATUS "Checking OQS - found")
list(APPEND WOLFSSL_LINK_LIBS ${OQS_LIBRARY})
list(APPEND WOLFSSL_INCLUDE_DIRS ${OQS_INCLUDE_DIR})
set_wolfssl_definitions("HAVE_LIBOQS" RESUlT)
set_wolfssl_definitions("HAVE_TLS_EXTENSIONS" RESUlT)
set_wolfssl_definitions("OPENSSL_EXTRA" RESUlT)
else()
message(STATUS "Checking OQS - not found")
message(STATUS "WARNING: WOLFSSL_OQS enabled but not found: OQS_LIBRARY=${OQS_LIBRARY}, OQS_INCLUDE_DIR=${OQS_INCLUDE_DIR} ")
endif()
else()
message(STATUS "Looking for WOLFSSL_OQS - not found")
endif()
# Checking for experimental feature: Kyber
message(STATUS "Looking for WOLFSSL_KYBER")
if (WOLFSSL_KYBER)
set(WOLFSSL_FOUND_EXPERIMENTAL_FEATURE 1)
message(STATUS "Automatically set related requirements for Kyber:")
set_wolfssl_definitions("WOLFSSL_HAVE_KYBER" RESUlT)
set_wolfssl_definitions("WOLFSSL_WC_KYBER" RESUlT)
set_wolfssl_definitions("WOLFSSL_SHA3" RESUlT)
set_wolfssl_definitions("WOLFSSL_SHAKE128" RESUlT)
set_wolfssl_definitions("WOLFSSL_SHAKE256" RESUlT)
message(STATUS "Looking for WOLFSSL_KYBER - found")
else()
message(STATUS "Looking for WOLFSSL_KYBER - not found")
endif()
# Other experimental feature detection can be added here...
# Were any experimental features found? Display a message.
if(WOLFSSL_FOUND_EXPERIMENTAL_FEATURE)
message(STATUS "WOLFSSL_EXPERIMENTAL enabled, experimental features enabled.")
else()
message(STATUS "Warning: WOLFSSL_EXPERIMENTAL enabled, but no experimental features enabled.")
endif()
# Sanity checks
if(WOLFSSL_OQS AND WOLFSSL_KYBER)
message(FATAL_ERROR "Error: cannot enable both WOLFSSL_OQS and WOLFSSL_KYBER at the same time.")
endif()
else()
# Experimental mode not enabled, but were any experimental features enabled? Error out if so:
message(STATUS "Looking for WOLFSSL_EXPERIMENTAL - not found")
if (WOLFSSL_OQS)
message(FATAL_ERROR "Error: WOLFSSL_OQS requires WOLFSSL_EXPERIMENTAL at this time.")
endif()
if(WOLFSSL_KYBER)
message(FATAL_ERROR "Error: WOLFSSL_KYBER requires WOLFSSL_EXPERIMENTAL at this time.")
endif()
endif()
# TODO: - Lean PSK
# - Lean TLS
# - Low resource
# - Titan cache
# - Huge cache
# - Big cache
# - Small cache
# - Persistent session cache
# - Persistent cert cache
# - Write duplicate
# - Atomic user record layer
# - Public key callbacks
# - Microchip/Atmel CryptoAuthLib
# - XMSS
# - LMS
# - dual-certs
# AES-CBC
add_option("WOLFSSL_AESCBC"
"Enable wolfSSL AES-CBC support (default: enabled)"
"yes" "yes;no")
if(NOT WOLFSSL_AESCBC)
list(APPEND WOLFSSL_DEFINITIONS "-DNO_AES_CBC")
endif()
# AES-GCM
add_option("WOLFSSL_AESGCM"
"Enable wolfSSL AES-GCM support (default: enabled)"
"yes" "yes;no;table;small;word32;4bit")
# leanpsk and leantls don't need gcm
if(WOLFSSL_LEAN_PSK OR (WOLFSSL_LEAN_TLS AND NOT WOLFSSL_TLS13))
override_cache(WOLFSSL_AESGCM "no")
endif()
if(WOLFSSL_AESGCM AND CMAKE_C_BYTE_ORDER STREQUAL "LITTLE_ENDIAN")
override_cache(WOLFSSL_AESGCM "4bit")
endif()
if(WOLFSSL_AESGCM)
if("${WOLFSSL_AESGCM}" STREQUAL "word32")
list(APPEND WOLFSSL_DEFINITIONS "-DGCM_WORD32")
override_cache(WOLFSSL_AESGCM "yes")
endif()
if(("${WOLFSSL_AESGCM}" STREQUAL "small") OR WOLFSSL_LOW_RESOURCE)
list(APPEND WOLFSSL_DEFINITIONS "-DGCM_SMALL")
override_cache(WOLFSSL_AESGCM "yes")
endif()
if("${WOLFSSL_AESGCM}" STREQUAL "table")
list(APPEND WOLFSSL_DEFINITIONS "-DGCM_TABLE")
override_cache(WOLFSSL_AESGCM "yes")
endif()
if("${WOLFSSL_AESGCM}" STREQUAL "4bit")
list(APPEND WOLFSSL_DEFINITIONS "-DGCM_TABLE_4BIT")
override_cache(WOLFSSL_AESGCM "yes")
endif()
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_AESGCM")
endif()
if(WOLFSSL_QUIC)
if(NOT WOLFSSL_TLS13)
message(FATAL_ERROR "TLS 1.3 is disabled - necessary for QUIC")
endif()
if(NOT WOLFSSL_AESGCM)
message(FATAL_ERROR "AES-GCM is disabled - necessary for QUIC")
endif()
endif()
# AES-SIV
add_option("WOLFSSL_AESSIV"
"Enable wolfSSL AES-SIV support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_AESSIV)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_AES_SIV")
endif()
# AES-CTR
add_option("WOLFSSL_AESCTR"
"Enable wolfSSL AES-CTR support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_OPENVPN OR
WOLFSSL_LIBSSH2 OR
WOLFSSL_AESSIV)
override_cache(WOLFSSL_AESCTR "yes")
endif()
if(WOLFSSL_AESCTR AND NOT WOLFSSL_FORTRESS)
list(APPEND WOLFSSL_DEFINITIONS
"-DWOLFSSL_AES_COUNTER"
"-DWOLFSSL_AES_DIRECT")
endif()
# ARIA
add_option("WOLFSSL_ARIA"
"Enable wolfSSL ARIA support (default: disabled)"
"no" "yes;no")
# AES-CCM
add_option("WOLFSSL_AESCCM"
"Enable wolfSSL AES-CCM support (default: disabled)"
"no" "yes;no")
# AES-OFB
add_option("WOLFSSL_AESOFB"
"Enable wolfSSL AES-OFB support (default: disabled)"
"no" "yes;no")
# TODO: - AES-GCM stream
# - AES-ARM
# - Xilinx hardened crypto
# - Intel AES-NI
# - Intel ASM
# - Intel RDRAND
# - Linux af_alg
# - Linux dev crpyto calls
# - Camellia
# - MD2
# - NULL cipher
# - RIPEMD
# - BLAKE2
add_option("WOLFSSL_AESCFB"
"Enable wolfSSL AES-CFB support (default: disabled)"
"no" "yes;no")
# Align data
add_option("WOLFSSL_ALIGN_DATA"
"Align data for ciphers (default: enabled)"
"yes" "yes;no")
if(WOLFSSL_ALIGN_DATA)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_USE_ALIGN")
endif()
# SHA224
set(SHA224_DEFAULT "no")
if(("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64|AMD64|arm64") OR
("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64"))
if(NOT WOLFSSL_AFALG AND NOT WOLFSSL_DEVCRYPTO AND
(NOT WOLFSSL_FIPS OR ("${FIPS_VERSION}" STREQUAL "v2")))
set(SHA224_DEFAULT "yes")
endif()
endif()
add_option("WOLFSSL_SHA224"
"Enable wolfSSL SHA-224 support (default: enabled on x86_64/aarch64)"
${SHA224_DEFAULT} "yes;no")
# SHA3
set(SHA3_DEFAULT "no")
if(("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64|AMD64|arm64") OR
("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64"))
if(NOT WOLFSSL_FIPS OR ("${FIPS_VERSION}" STREQUAL "v2"))
set(SHA3_DEFAULT "yes")
endif()
endif()
add_option("WOLFSSL_SHA3"
"Enable wolfSSL SHA-3 support (default: enabled on x86_64/aarch64)"
${SHA3_DEFAULT} "yes;no;small")
# SHAKE256
add_option("WOLFSSL_SHAKE256"
"Enable wolfSSL SHAKE256 support (default: enabled on x86_64/aarch64)"
"no" "yes;no;small")
# SHAKE128
add_option("WOLFSSL_SHAKE128"
"Enable wolfSSL SHAKE128 support (default: enabled on x86_64/aarch64)"
"no" "yes;no;small")
# SHA512
add_option("WOLFSSL_SHA512"
"Enable wolfSSL SHA-512 support (default: enabled)"
"yes" "yes;no")
# options that don't require sha512
if(WOLFSSL_LEAN_PSK OR
WOLFSSL_LEAN_TLS OR
WOLFSSL_32BIT OR
WOLFSSL_16BIT)
override_cache(WOLFSSL_SHA512 "no")
endif()
# options that require sha512
if(WOLFSSL_OPENSSH OR
WOLFSSL_WPAS OR
WOLFSSL_FORTRESS)
override_cache(WOLFSSL_SHA512 "yes")
endif()
if(WOLFSSL_SHA512)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_SHA512")
endif()
# SHA384
add_option("WOLFSSL_SHA384"
"Enable wolfSSL SHA-384 support (default: enabled)"
"yes" "yes;no")
# options that don't require sha384
if(WOLFSSL_LEAN_PSK OR
WOLFSSL_LEAN_TLS OR
WOLFSSL_32BIT OR
WOLFSSL_16BIT)
override_cache(WOLFSSL_SHA384 "no")
endif()
# options that require sha384
if(WOLFSSL_OPENSSH OR
WOLFSSL_WPAS OR
WOLFSSL_FORTRESS)
override_cache(WOLFSSL_SHA384 "yes")
endif()
if(WOLFSSL_SHA384)
list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_SHA384")
endif()
# TODO: - Session certs
# - SEP
add_option("WOLFSSL_KEYGEN"
"Enable key generation (default: disabled)])"
"no" "yes;no")
add_option("WOLFSSL_CERTGEN"
"Enable cert generation (default: disabled)"
"no" "yes;no")
add_option("WOLFSSL_CERTREQ"
"Enable cert request generation (default: disabled)"
"no" "yes;no")
add_option("WOLFSSL_CERTEXT"
"Enable cert request extensions (default: disabled)"
"no" "yes;no")
add_option("WOLFSSL_CERTGENCACHE"
"Enable decoded cert caching (default: disabled)"
"no" "yes;no")
# HKDF
add_option("WOLFSSL_HKDF"
"Enable HKDF (HMAC-KDF) support (default: disabled)"
"no" "yes;no")
if(WOLFSSL_TLS13)
override_cache(WOLFSSL_HKDF "yes")
endif()
if(WOLFSSL_HKDF)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_HKDF")
endif()
# DSA
add_option("WOLFSSL_DSA"
"Enable DSA (default: disabled)"
"no" "yes;no")
if(NOT WOLFSSL_DSA AND NOT WOLFSSL_OPENSSH)
list(APPEND WOLFSSL_DEFINITIONS "-DNO_DSA")
endif()
# ECC Shamir
add_option("WOLFSSL_ECCSHAMIR"
"Enable ECC Shamir (default: enabled)"
"yes" "yes;no")
# ECC
add_option("WOLFSSL_ECC"
"Enable ECC (default: enabled)"
"yes" "yes;no;nonblock")
# lean psk doesn't need ecc
if(WOLFSSL_LEAN_PSK)
override_cache(WOLFSSL_ECC "no")
endif()
if(WOLFSSL_OPENSSH OR
WOLFSSL_NGINX OR
WOLFSSL_SIGNAL)
override_cache(WOLFSSL_ECC "yes")
endif()
if(WOLFSSL_ECC)
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_ECC" "-DTFM_ECC256")
if(WOLFSSL_ECCSHAMIR AND NOT WOLFSSL_LOW_RESOURCE)
list(APPEND WOLFSSL_DEFINITIONS "-DECC_SHAMIR")
endif()
if("${WOLFSSL_ECC}" STREQUAL "nonblock")
list(APPEND WOLFSSL_DEFINITIONS "-DWC_ECC_NONBLOCK")
endif()
endif()
# TODO: - ECC custom curves
# - Compressed key
# - FP ECC, fixed point cache ECC
# - ECC encrypt
# - PSK
# - Single PSK identity
# CURVE25519
set(WOLFSSL_CURVE25519_SMALL "no")
add_option("WOLFSSL_CURVE25519"
"Enable Curve25519 (default: disabled)"
"no" "yes;no;small;no128bit")
if(WOLFSSL_OPENSSH)
override_cache(WOLFSSL_CURVE25519 "yes")
endif()
if(WOLFSSL_CURVE25519)
if("${WOLFSSL_CURVE25519}" STREQUAL "small" OR WOLFSSL_LOW_RESOURCE)
list(APPEND WOLFSSL_DEFINITIONS "-DCURVE25519_SMALL")
set(WOLFSSL_CURVE25519_SMALL "yes")
endif()
if("${WOLFSSL_CURVE25519}" STREQUAL "no128bit" OR WOLFSSL_32BIT)
list(APPEND WOLFSSL_DEFINITIONS "-DNO_CURVED25519_128BIT")
endif()
list(APPEND WOLFSSL_DEFINITIONS "-DHAVE_CURVE25519")
set(WOLFSSL_FEMATH "yes")
endif()
# ED25519
set(WOLFSSL_ED25519_SMALL "no")
add_option("WOLFSSL_ED25519"
"Enable ED25519 (default: disabled)"
"no" "yes;no")
if(WOLFSSL_OPENSSH)
override_cache(WOLFSSL_ED25519 "yes")
endif()
if(WOLFSSL_ED25519 AND NOT WOLFSSL_32BIT)
if("${WOLFSSL_ED25519}" STREQUAL "small" OR WOLFSSL_LOW_RESOURCE)
list(APPEND WOLFSSL_DEFINITIONS "-DED25519_SMALL")
set(WOLFSSL_ED25519_SMALL "yes")
set(WOLFSSL_CURVE25519_SMALL "yes")
endif()
if(NOT WOLFSSL_SHA512)
message(FATAL_ERROR "cannot enable ed25519 without enabling sha512.")
endif()
set(WOLFSSL_FEMATH "yes")