On Tue, Sep 4, 2012 at 11:29 AM, Frederic Mauraton
<[email protected]> wrote:
> Hi everybody,
>
> I am working with a VaultIC 460 token in a pcsc-lite(1.8.3) and ccid driver
> (1.4.7) environment.
>
> When I send an apdu to create a rsa key pair, the driver returns the generic
> error 612 (IFD_COMMUNICATION_ERROR) and PC/SC returns the error 0x80100016
> (SCARD_E_NOT_TRANSACTED) to the application..
>
> After investigation it seems that the problem comes from is the
> ccid.readTimeout which has DEFAULT_COM_READ_TIMEOUT value (2s).
>
> As the card response time to an RSA generate Key pair apdu is sometimes
> quite long (maybe 4 minutes for a 4096 RSA key pair), I have tried to change
> this default timeout value and it works fine.
>
> So my questions are :
>
> As there is no timeout defined on CCID specification, why there is this
> timeout ?

If that's a contact card it should be issuing the ISO NULL byte (while
processing the RSA stuff) to the reader extending the timeout. In
these cases as far as I remember the reader asks for a time extension
to the driver, and this happens until the card finishes the command.

Best wishes,
Bruno
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