[Pcsclite-muscle] writing to the display of a pinpad reader

[Martin Paljak]

It is usually proprietary, you can try snooping windows apps with a vm and
usbmon.

On Fri, 26 Aug 2016, 07:50 Lars Silv?n, <lars at primekey.se> wrote:

> Hello folks,
>
> I have a ct710 reader from Gemalto.
> The pcsc name for it is:
> Gemalto Ezio Shield (S14C0138571943) 00 00
>
> I want to write a string to the display using pcscd on linux with the
> libccid driver.
> Can anyone help me to find out how to do it?
>
> First I tried to use SCardControl with FEATURE_WRITE_DISPLAY but found
> out that this is not implemented by libccid.
>
> My recent idea is to use SCardControl with FEATURE_CCID_ESC_COMMAND. But
> I don't have any documentation of escape commands for the reader. Does
> anyone know where I could find such documentation?
> I have already tried gemalto.com but they neither have any documentation
> nor support for their readers.
>
> Alternatively I could get another pinpad reader.
> Does anyone know how writing to the display of any reader is done with
> the pcsc API ?
>
> Any help would really be appreciated.
>
> Cheers,
> Lars
>
>
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