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QtCreator "SSL is not supported"

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  • LorenzL Offline
    LorenzL Offline
    Lorenz
    wrote on last edited by
    #1

    Hi all,

    We are using a custom Qt Creator Plugin that tries to create a https connection to one of our servers. In most cases, this works fine, as openSSL libraries are deployed with QtCreator in <QtDir>/Tools/QtCreator/bin.

    However, we noticed that some users are unable to connect via https and further noticed that in Help -> System Information, it is stated that SSL is not supported.

    Network:
    SSL is not supported.

    I wonder, in what cases is it possible that SSL is not supported? Are the SSL libraries not deployed with Qt Creator in certain cases?

    I'm interested in any hints on this.

    Best,
    Lorenz

    Developer @ V-Play Engine - http://v-play.net/qt

    V-Play simplifies

    • Game Development with Qt
    • Mobile App Dev with Qt esp. iOS & Android

    What others say
    V-Play scored #1 in Cross-Platform App Development Tools Report - see why: https://goo.gl/rgp3rq

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Check the OpenSSL version installed, if >= 1.1 then it's normal. The OpenSSL project broke the API compatibility with that minor release. IIRC There's a new backend for 1.1 in the work.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • LorenzL Offline
        LorenzL Offline
        Lorenz
        wrote on last edited by
        #3

        Thanks @SGaist ,

        But if QtCreator ships its own openSSL libraries, shouldn't it work independently of the ones the user installed?

        as e.g. ssleay32.dll is installed in the bin directory of QtCreator by default?

        Developer @ V-Play Engine - http://v-play.net/qt

        V-Play simplifies

        • Game Development with Qt
        • Mobile App Dev with Qt esp. iOS & Android

        What others say
        V-Play scored #1 in Cross-Platform App Development Tools Report - see why: https://goo.gl/rgp3rq

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Whith what version of Qt did you build that plugin ?
          What's the Qt Creator version ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • LorenzL Offline
            LorenzL Offline
            Lorenz
            wrote on last edited by
            #5

            We currently use the QtCreator 4.2.1 tag with Qt 5.8 and MSVC2015 on Windows to build the plugin.

            The plugin is then deployed to the binary version of Qt Creator 4.2.1 which can be downloaded from download.qt.io.

            Developer @ V-Play Engine - http://v-play.net/qt

            V-Play simplifies

            • Game Development with Qt
            • Mobile App Dev with Qt esp. iOS & Android

            What others say
            V-Play scored #1 in Cross-Platform App Development Tools Report - see why: https://goo.gl/rgp3rq

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            0
            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #6

              Are you using the same version of OpenSSL that is used to with the pre-built Qt Creator ?

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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