Thank you all for your answers. You have pointed me in the right
direction. I found a resource for each card I need to support that
provides the specific PDUs I need to send to get the data I am need.
Beat regards,
On Mar 10, 2010, at 11:53 PM, Sébastien Lorquet <[email protected]>
wrote:
Hi,
Does this data have a link with what is returned by INIT UPDATE? In
this case this identifier may not be unique.
Sebastien
On Thu, Mar 11, 2010 at 2:52 AM, Michael StJohns
<[email protected]> wrote:
If your card is a global platform card -
1) Select the default security domain
2) do a get data on 00 42 and 00 45 (80 CA 00 42 , 80 CA 00 45).
The first is the issuer identification number, the second is the
card image number.
Either or both of these may be set depending on the issuer of the
card. Pre-issue cards probably don't have these set.
Also (both for GP and non GP cards), if the ATR historical bytes
begin with 80, those bytes may include an issuer and card number or
may point to a file on the card which contains them - get a copy of
ISO 7816-4 for details.
Later, Mike
At 01:30 PM 3/10/2010, Ray Caruso wrote:
Thank you for the reply. I am sorry about mis-forming the get data
PDU- I truely doubt it required that type of response- it did seem
a little rude. I should have written XX CA 00 00 00 where XX being
the class and I am not sure which instruction class to use. I used
FF as a bitmask way of indicated wild carding because all 1's can
always be OR'd in.
I am reading a manual that states the following:
"The appliance will query the smart card for a unique ID, which is
a portion of a reply from a “get data†application
protocol data unit (APDU) command. The ID contains unique informat
ion such as the smart card manufacturer, smart card chip manufactu
rer, chip type, batch number, etc that identifies a particular car
d from other cards."
I need to emulate the behavior of the appliance. I am able to
verify the card token during development.
Thanks Again.
On 3/10/2010 11:13 AM, Sébastien Lorquet wrote:
Hi,
Â
As I understand, every smart card has a unique IDÂ
Unfortunately, that single statement is not true.
Well, it's not even true at the chip level (I guess every
manufacturer has its own system) but there is no standard way to
get this "unique number" in the same manner for all cards in the
world.
Each card model *may* support an unique id, but it is specific to
the card model, as well as the method to retrieve it.
that is accessible without security.
Â
I need to read this ID from any card within a reader. I have spent
some, but not enough, quality time with the ISO 7816-4 spec and
understand the formation of smart card request and response APDUs
(at least I think I do). I have read that I need to use the get
data command as follows:
FF CA 00 00 00
Nice. You need to spend more time on ISO7816 as the FF class is
invalid, it's not a card command but (maybe) a reader command o
r something else.
Moreover if such a magic command existed, someone would have
mentioned it somewhere in google.
Â
However, this fails to provide the correct ID.
Sure. Do you at least know what *is* the correct ID you're
expecting? :-)
Â
Any help on this would be greatly appreciated.
First detect the card model in some way, then pray for the card to
provide a mean to identify itself, then issue the appropriate
valid commands to get it.
Regards
Sebastien
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