QML Image: TLS initialization failed

qcoderpro

Just link OpenSSL to your project

How to do that on Windows?

sierdzio

find where your OpenSSL installation is
in your .pro file (I assume you're using qmake), add:

LIBS+=path/to/openssl/libs
INCLUDEPATH+=path/to/openssl/include

qcoderpro

@sierdzio

I've installed both x64 and x86 versions of openssl but the kit I'm using to run the project is x64 so I add: C:\Qt\Tools\OpenSSL\Win_x64\lib

But I'm using CMake. Can I add these two lines just like the .pro file of qmake in it?

LIBS += C:\Qt\Tools\OpenSSL\Win_x64\lib   // (There's no 'libs' folder in the openssl directory)
INCLUDEPATH += C:\Qt\Tools\OpenSSL\Win_x64\include

sierdzio

For cmake, you should use FindOpenSSL: https://cmake.org/cmake/help/latest/module/FindOpenSSL.html

qcoderpro

@sierdzio

I added the following two lines in the .txt file and saved the project. No errors came up:

find_package(OpenSSL)
target_link_libraries(QML_5 PRIVATE OpenSSL::SSL)

But still the project can't run successfully!

SGaist

Hi,

Which version of OpenSSL are you using ?

qcoderpro

@SGaist

I don't know! (How to know that!?)

But it's written in CMakeLists.txt:

cmake_minimum_required(VERSION 3.14)

SGaist

That's the minimal cmake version required to build the project.

As for OpenSSL, the installer might tell you this.
The headers of the library.

Or use QSslSocket::sslLibraryVersionString.

qcoderpro

@SGaist

As for OpenSSL, the installer might tell you this.
The headers of the library.

Or use QSslSocket::sslLibraryVersionString.

How to use it in my QML project?
I used it this way but that doesn't work!

Component.onCompleted: {
        console.log(QSslSocket::sslLibraryVersionString)
    }

SGaist

@qcoderpro said in QML Image: TLS initialization failed:

QSslSocket::sslLibraryVersionString

Use it in you main.cpp.

qcoderpro

@SGaist

I included these two header files:

#include <iostream>
#include <QSslSocket>

and this line in main.cpp:

std::cout<< "The openSSL version is: " <<
            QSslSocket::sslLibraryVersionString << '\n'

In return I get this warning in the Issues window and nothing related to what I foresee in Application/Compile Output windows!

warning: address of function 'QSslSocket::sslLibraryVersionString' will always evaluate to 'true'

SGaist

QSslSocket::sslLibraryVersionString is a static function that you have to call.

qcoderpro

@SGaist

Yes, I didn't notice the parentheses enough. Finally using: qInfo() << QSslSocket::sslLibraryVersionString(); I could see the result: "OpenSSL 1.1.1f 31 Mar 2020", which is very close to what the installer showed!

SGaist

Except it should be the j release. You should ensure that this is the one used by your application.

qcoderpro

@SGaist

You mean I have two files/packs installed as openSSL, one with f release and the other with j and that f release is what QtCreator is using!? So what is the problem with that f release the IDE is using and why can't it run the program by that properly?

Or probably there's a conflict between the two releases and I need to uninstall one to run the app properly! :(
But how?

qcoderpro

Now when I run the project, Issues, Compile Output and General Messages windows show nothing. Only Application Output shows this:
Starting ... build-QML_5-Desktop_Qt_5_15_2_MinGW_64_bit-Debug\QML_5.exe ... which shows nothing bad!

So why still nothing as output is shown? :(

SGaist

Did you check that your application shows correctly an image from your disk ?

tomy

@qcoderpro

Put your image element inside a window element. It's required to me.