Multiple readers with scdaemon

Laurent Bigonville bigon at
Wed May 9 13:49:46 CEST 2018

Le 09/05/18 à 02:11, NIIBE Yutaka a écrit :
> Laurent Bigonville <bigon at> wrote:
>> Are there any plans to support multiples readers?
> When you can disable PC/SC, multiple readers are supported by the
> internal CCID driver of scdaemon (through libusb, directly).

In that case I cannot use other smartcards if scdaemon is still running, 
this is quite annoying.

> Currently, I don't have a specific plan to support multiple readers with
> PC/SC.  There are different PC/SC implementations, I mean, the one of
> Windows, the one of macOS, and pcsc-lite+libccid.  In this situation, it
> is a bit harder for me to introduce new feature to scdaemon with PC/SC.
> I could test with pcsc-lite, but major users of scdaemon with PC/SC are
> on Windows or macOS.
> And it seems for me that PC/SC is not actively developed on Windows and
> macOS.  If it is the case, I'd like to put my energy to the internal
> CCID driver.
> BTW, I'm curious if the internal CCID driver can be used on Windows and
> macOS.
Isn't pcsc-lite used on MacOSX the same as the one on GNU/Linux?

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