Fix OpenSSL dependencies for Windows (#864)

* Fixed OpenSSL dependencies on Windows

* CompileHowto updated

.azure.yml

@@ -87,6 +87,7 @@ jobs:
       python -m pip install aqtinstall
       python -m aqt install -O c:\Qt 5.15.0 windows desktop win64_msvc2019_64
     displayName: 'Install Qt 5.15.0'
+
   # build process
   - bash: ./.ci/ci_build.sh
     env:

CompileHowto.md

@@ -82,6 +82,7 @@ We assume a 64bit Windows 7 or higher. Install the following
   - Open a console window and execute `pip install aqtinstall`.
   - Now we can download Qt to _C:\Qt_ `mkdir c:\Qt && aqt install -O c:\Qt 5.15.0 windows desktop win64_msvc2019_64`
 - [CMake (Windows win64-x64 Installer)](https://cmake.org/download/) (Check: Add to PATH)
+- [Win64 OpenSSL v1.1.1g](https://slproweb.com/products/Win32OpenSSL.html) ([direct link](https://slproweb.com/download/Win64OpenSSL-1_1_1g.exe))
 - [Visual Studio 2019 Build Tools](https://go.microsoft.com/fwlink/?linkid=840931) ([direct link](https://aka.ms/vs/16/release/vs_buildtools.exe))
   - Select C++ Buildtools
   - On the right, just select `MSVC v142 VS 2019 C++ x64/x86-Buildtools` and latest `Windows 10 SDK`. Everything else is not needed.

cmake/Dependencies.cmake

@@ -176,6 +176,7 @@ macro(DeployWindows TARGET)
 	if(EXISTS ${TARGET_FILE})
 		message(STATUS "Collecting Dependencies for target file: ${TARGET_FILE}")
 		find_package(Qt5Core REQUIRED)
+		find_package(OpenSSL REQUIRED)
 
 		# Find the windeployqt binaries
 		get_target_property(QMAKE_EXECUTABLE Qt5::qmake IMPORTED_LOCATION)
@@ -224,6 +225,36 @@ macro(DeployWindows TARGET)
 			list(REMOVE_AT DEPENDENCIES 0 1)
 		endwhile()
 
+		# Copy OpenSSL Libs
+		if (OPENSSL_FOUND)
+			string(REGEX MATCHALL "[0-9]+" openssl_versions "${OPENSSL_VERSION}")
+			list(GET openssl_versions 0 openssl_version_major)
+			list(GET openssl_versions 1 openssl_version_minor)
+
+			set(library_suffix "-${openssl_version_major}_${openssl_version_minor}")
+			if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+			  string(APPEND library_suffix "-x64")
+			endif()
+
+			find_file(OPENSSL_SSL
+				NAMES "libssl${library_suffix}.dll"
+				PATHS ${OPENSSL_INCLUDE_DIR}/.. ${OPENSSL_INCLUDE_DIR}/../bin
+				NO_DEFAULT_PATH
+			)
+
+			find_file(OPENSSL_CRYPTO
+				NAMES "libcrypto${library_suffix}.dll"
+				PATHS ${OPENSSL_INCLUDE_DIR}/.. ${OPENSSL_INCLUDE_DIR}/../bin
+				NO_DEFAULT_PATH
+			)
+
+			install(
+				FILES ${OPENSSL_SSL} ${OPENSSL_CRYPTO}
+				DESTINATION "bin"
+				COMPONENT "Hyperion"
+			)
+		endif(OPENSSL_FOUND)
+
 		# Create a qt.conf file in 'bin' to override hard-coded search paths in Qt plugins
 		file(WRITE "${CMAKE_BINARY_DIR}/qt.conf" "[Paths]\nPlugins=../lib/\n")
 		install(