[Interest] Unique - Hardware bound - ID
adrian.stern at screenfood.com
Wed May 15 13:07:05 CEST 2013
I believe the mac address will suffice. In addition I will probably some other hardware related data and create a hash from it.
I emagined there would be a solution for this problem but it semes its not that easy.
Freundliche Grüsse / Best Regards / Meilleures salutations
From: interest-bounces+adrian.stern=screenfood.com at qt-project.org [mailto:interest-bounces+adrian.stern=screenfood.com at qt-project.org] On Behalf Of Konrad Rosenbaum
Sent: 15 May 2013 12:53
To: interest at qt-project.org
Subject: Re: [Interest] Unique - Hardware bound - ID
On Tuesday 14 May 2013 22:27:23 Alex Malyushytskyy wrote:
> Such things are normally resolved using MAC address on any system, which is
> unique for every network adapter,
> But there always may be a system which does not have network adapter, have
> a few network adapters or does not let you to obtain MAC address unless you
> are a root (Linux)
> I do not think Qt support this, but if not counting some complications
> listed above, native for system code you will have to right is easy.
You can get MAC addresses via QNetworkInterface::allInterfaces().
Some encouragement: 99.9% of all PCs and Laptops do have a network card and/or Wireless Interface. Unless you target the 0.1% of non-networked machines you can assume to have one (even if it is unconfigured). At the very least if your app has network access then you can assume ethernet (modem-only machines are exceedingly rare these days).
Some words of caution: MAC addresses can be changed in software. Depending on your paranoia level you may not want to rely on them - in that case you may want to think about hardware dongles to secure your app.
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