FYI: SIM

Sébastien Lorquet squalyl at gmail.com
Tue Mar 9 16:05:08 UTC 2010


Hi sylvain,
Yes, we're on the same wavelength here.

Sebastien

On Tue, Mar 9, 2010 at 5:03 PM, Sylvain Munaut <246tnt at gmail.com> wrote:

> >> so apdus will be exchanged through the serial link with the phone.
> >> It may be nice to have a pcsclite driver to drive the sim card in the
> phone.
> >> Then we'll be able to use a SIM cards connected to the real phone, or a
> ccid
> >> smart card reader connected to the PC running the layer2/layer3, using
> the
> >> same API.
> >
> > Yes, I like that idea, and we can easily use yet another of our HLDC
> > data link connections for this.
> >
> > However, it seems almost like a bit of over-engineering to me to go a
> > far as to support PC/SC.  Sure, it's a cool hack, and if somebody has
> > an interest in it and some time to spare.
>
> I would do it the other way around.
> Make sure that all call from layer 3 are in the form of  "
> apdu_xfer(in,out); "
>
> Then implementing this apdu_xfer either using :
>  . A HLDC data link to the real phone
>  . A PCSC reader (the api allows for raw apdu exchange very easily)
>  . A bare serial link to one of those cheap card reader
>  . The SIM api directly when running inside the phone.
>
> Sylvain
>
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