about CCID USB readers (Re: setting GnuPG card to 'not forces' does not let sign)

Matthias Apitz guru at unixarea.de
Thu Jun 22 08:28:57 CEST 2017

El día lunes, junio 12, 2017 a las 12:58:23p. m. +0200, Werner Koch escribió:

> On Mon, 12 Jun 2017 12:38, guru at unixarea.de said:
> > Do you know of any other CCID reader for ID-000 size cards?
> I have a sample of the Gemalto Shell Token here.  It has been around for
> quite some time and the kernelconcept folks that it works nicely.  See
>   https://www.floss-shop.de/en/security-privacy/
> On that page you also find the a bit more expensive uTrust token which
> would be my preferred choice. I used it for many years until it broke due
> to my fault.  In fact I recycled the case for my gnuk token.

Some days ago I acquired this uTrust token. And surprise, surprise, it
showed the same symptoms as the other one, the HID Global OMNIKEY 6121
Smart Card Reader: My operating system does not always recognises the
USB device, not even when plug'ed in before power-on. This smells
somehow as a hardware issue in the Acer C720 or in the kernel of the
FreeBSD (and I do run CURRENT on it, i.e. compiled directly from SVN).
Here is the bug issue I filed against our beloved FreeBSD:
Only if someone has similar experiences.

I tested a lot with this issue and now have some trick which seems to
make it at least less often fail: I insert the uTrust token before
power-on, start the laptop but hold the boot in the moment when you can
modify certain boot options, i.e. the device is powered on but awaiting
a keyboard input to continue loading the kernel. Only a few seconds.
Then the booting kernel sees the device as:

ugen0.2: <Identiv uTrust 3512 SAM slot Token> at usbus0

Is there something in the cards firmware which needs some time to come


Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/  ☎ +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub
8. Mai 1945: Wer nicht feiert hat den Krieg verloren.
8 de mayo de 1945: Quien no festeja perdió la Guerra.
May 8, 1945: Who does not celebrate lost the War.
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