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#
# Copyright 2025 Staysail Systems, Inc. <info@staysail.tech>
# Copyright 2018 Capitar IT Group BV <info@capitar.com>
# Copyright 2019 Devolutions <info@devolutions.net>
#
#
# This software is supplied under the terms of the MIT License, a
# copy of which should be located in the distribution where this
# file was obtained (LICENSE.txt). A copy of the license may also be
# found online at https://opensource.org/licenses/MIT.
#
if (NNG_ENABLE_TLS)
# List of TLS engines we support. TLS engines must support TLS 1.2 or better,
# and must also support DTLS. Support for PSK is preferred.
set(NNG_TLS_ENGINES mbed wolf openssl none)
# We assume Mbed for now.
set(NNG_TLS_ENGINE mbed CACHE STRING "TLS engine to use.")
set_property(CACHE NNG_TLS_ENGINE PROPERTY STRINGS ${NNG_TLS_ENGINES})
else ()
set(NNG_TLS_ENGINE none)
endif ()
if (NOT NNG_TLS_ENGINE STREQUAL "none")
nng_test(tls_test)
endif ()
add_subdirectory(mbedtls)
add_subdirectory(wolfssl)
add_subdirectory(openssl)
if (NNG_ENABLE_TLS)
nng_sources(tls_common.c tls_dialer.c tls_listener.c tls_stream.c)
nng_sources(tls_api.h tls_common.h tls_engine.h tls_stream.h)
else()
nng_sources(tls_stubs.c)
endif()
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