I've got a mostly working GPR400 PCSC IFD. It's based on the PCMCIA
driver found in the card-0.9.6.tar.gz file found on the MUSCLE website.
By 'mostly working' I mean that I've used formaticc to send a few APDUs
to a card and received the expected results.
I'm having troubles understanding what the differences are between T=0
and T=1 from the IFD developer perspective. It's not apparent to me
from looking through the other IFD source files.
I have the Smart Card Developer's Kit and Java Card Technology for Smart
Cards books already. I understand that T=0 and T=1 are two different
protocols for communication between the reader and the card. It is not
clear to me *how* they are different other than "one is byte oriented
and the other is block oriented."
Can anyone offer any insight into the differences, if possible, from the
IFD developer perspective? Can you point me to some documentation
and/or code that will clear this up for me?
Thanks in advance.
-joe
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