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Re: [Muscle] Question on Get Response Command
From: Philippe C. Martin (pmartinsnakecard.com)
Date: Thu Aug 17 2006 - 11:38:16 CDT
On Thursday 17 August 2006 02:36 am, Mahadev Karadigudda wrote:
> Philippe C. Martin wrote:
> >On Tuesday 08 August 2006 08:32 pm, jackie wong wrote:
> >>Dear all,
> >> For the Get Response Command, is it sent from the reader to the card or
> >>vice versa?
> >> There is a definition i get from the draft of ISO document on Get
> >>Response Command:
> >> "The Get Response Command is used to transmit from the card to the
> >>interface devices APDU which otehrwise could not be transmitted by the
> >>available protocol."
> >> It seem to me that the Get Response Command is sent from the card to
> >> the reader from the above definition. However for me, i feel that the
> >> Get Response Command should be sent from the reader to card in order to
> >> get response (extra data still available) from card correspond to the
> >> previously sent command. Is that right? Please verify this for me.
> >> Thanks.
> >> Regards,
> >> Jackie Wong
> >>How low will we go? Check out Yahoo! Messengerís low PC-to-Phone call
> >Get response must be sent to the card from the host (not from the reader)
> > when in T=0 the card responds 61xx to an APDU with a response needed (Le
> > !=0)
> I think Le can be 0 and a value of 0 means a 256 byte response.
> Muscle mailing list
My apologies, I meant "Le not empty".
Philippe C. Martin
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