SslKey on iOS, cannot read private key



  • Hi,

    I created SslServer using Qt and client, which works just fine on Ubuntu. The problem is when I try to port it to iOS.

    When I try to connect I get error on client console: QAbstractSocket::SslInvalidUserDataError
    After some more investigation I found out that iOS cannot load SslKey. It means I cannnot create correct QSslKey object. I can read the file with key, but when I run code:

    QFile file;
    file.setFileName(keyFilePath);
    file.open(QIODevice::ReadOnly);
    QSslKey key(file.readAll(), QSsl::Rsa);
    file.seek(0);
    qDebug() << key << file.readAll();
    file.close();
    

    What I get is

    QSslKey(PrivateKey, RSA, -1) "----- BEGIN PRIVATE KEY-----
    ....
    \n-----END PRIVATE KEY-----\n"
    

    So it looks like Qt cannot read key
    Any ideas?

    EDIT: I forgot, the keys are self-signed, maybe that is the problem?

    EDIT2: Just checked, it also works on Android


  • Lifetime Qt Champion

    Hi,

    Which version of Qt are you using ?



  • I tried both 5.5 and 5.6. And according to the documentation this versions are using Apple's Secure Transport API, what I can confirm using methods:

    QSslSocket::supportsSsl()
    QSslSocket::sslLibraryVersionString()
    QSslSocket::sslLibraryBuildVersionString(
    

    Also I checked that changing my server peer verification to VerifyNone works just fine. The problem is that iOS cannot load my ssl key and because of that server cannot verify user.



  • Hi,

    Any one found the solution for this ?
    Even i am facing the same issue in iOS.

    Version Details :-
    Qt 5.6.2
    XCode 8.1
    iOS 10.1

    Thanks.



  • You can try this project: link


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