On Monday, 18 September 2017 00:34:03 PDT Sami Nurmenniemi wrote: > > And that would be a non-Qt job. I wasn't worried about Qt on real devices > > because I don't expect it to be run early enough to matter. On VMs, > > that's > > another story, and if you don't trust your undercloud-provided /dev/hwrng, > > why are you using that cloud? (Though I'll say there's an Intel team > > working on figuring out how a VM can get trust from the actual hardware, > > skipping the hypervisor trust) > > We have made some safety critical customer demos where fast boot time of > Qt framework is essential. It was demoing boot time of 1.2s for a Qt > application to start after powering on the device. I suppose that demo > (and real safety critical use cases) is going to have problems with the > QRandomGenerator even with hwrng in use.
That has an easy solution: use a real hardware random generator. That's a matter of making sure your SoC is correctly dimensioned for the use-case. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
