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Type: Bug
Resolution: Done
Priority: P1: Critical
Fix Version/s: 5.12.11, 5.15.9, 6.1.0 Alpha
Affects Version/s: 5.15.2
Component/s: Network: SSL
Labels:
None

Platform/s:

All
Commits:
1759a797789b7907945ba46026a2c73ba7f010b9 (qt/tqtc-qtbase/tqtc/lts-5.15) f31997448838902eb5237b567f0c80f423f2406e (qt/tqtc-qtbase/6.1)

Description

Hi,

we ugraded from Qt 5.12.5 to 5.15.2 and this example won't "work" anymore. Seems the comparison of QSslCertificate is broken here.

Qt 5.12.5 works
Qt 5.15.2 broken

#include <QtNetwork/QSslCertificate>
#include <QtCore/QDebug>

int main()
{
        const QByteArray data("-----BEGIN CERTIFICATE-----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\nJJ1wNc+Y3e2uMBDxZviH3dIPIgqP1Vpi2TWfqr3DTBNCRf4dl/wwNU8=\n-----END CERTIFICATE-----");

        const QSslCertificate certificate1(data);
        const QSslCertificate certificate2(data);

        if (certificate1 == certificate2)
        {
                qDebug() << "works";
                return 0;
        }

        qDebug() << "broken";
        return 1;
}