QSslCertificate::fromPath() does not load certificates when given a wildcard.
For instance,
QSslCertificate::fromPath("/tmp/tcert.pem", QSsl::Pem, QRegExp::FixedString); 
works, but the following fails: 
QSslCertificate::fromPath("/tmp/tcert.pem", QSsl::Pem, QRegExp::RegExp);