From: Martin Paljak (martinmartinpaljak.net)
Date: Sat Apr 20 2013 - 08:42:51 CDT

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Hello,

On Sat, Apr 20, 2013 at 7:22 AM, Sebastien Lorquet <sebastienlorquet.fr> wrote:
> It also seems that a very important information from the GP/JC specs is
> unknown/overlooked by hobbyists: a select application without any AID will
> select the MAIN SD, whatever its AID, and will reply the selected aid in the
> FCI.
>
> That is: 00 A4 04 00 00
>
> This is much simpler and reliable that choosing from a list of SDs, because
> SD AIDs are as arbitrary as ATRs. They are defined for every customer when
> the card is "prepersonnalized" (just before shipping to customers).
> Distributors that may have cards available for hobbyists have no idea of
> what it means and often choose "default" parameters", e.g. the VISA AID, A0
> 000000 03.

Could you point me to the section in either GP (2.0.1) or JC (2.2.2)
specs for this?

Do you refer to GP 6.5.1.1 last bullet in "Runtime Behavior" ? What if
there is a default selected app present on the card?

--
Martin
+372 5156495

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