Hi, All
After days work, I am still chaos of conception about smartcards.
I introduce my environment first.
We designed ourself's smardcard controller and use the TDA8024
inerface chip.
It's looks like:
(Our STB)
________________________________
| |
| cpu -> smard controller -> TDA8024 |
|_______________________________|
We bought several Nagravision Cards on line. But have not any documents neither
the seller have.
And I am the people who must write the lowest driver.
I have read out the ATR about the card:
3f ff 95 00 ff 91 81 71 a0 47 00 44 4e 41 53 50 30 20 54 65 73 74 30 33
Then, I tried to send SELECT FILE command as the ISO7816-4 defined to the
card.But have none reponse.
So, I searched in google and found out a "nagravision hack faq.pdf" where said
nagravision's cards
send commands in format
"A0 CA 00 00 CL CN DL <data0 ..dataDL-1> RL ".
And that's different with ISO7816-4 ( "CLA INS P1 P2 Lc DATA Le" ).
But my boss gave me a pdf " TS 102 221, UICC-Terminal interface; Physical and
logical characteristics.",
He said all smartcards used in DVB should follow this standard.(This standard
defines commands format different from "nagravision hack faq.pdf" but the same
as the ISO7816-4 ).
So , I want to know whether different card manufacturers have different
commands format ?
eg. nagravision have command format "A0 CA 00 00 CL CN DL <data0 .. dataDL-1>
RL".
And, if so.
Whether manufacturers produce cards for "DVB systems" use the commands format
defined by themself,
or following SmartCard UICC-Terminal interface(who's command format more likely
the ISO7816-4) standard ?
Thank you for your time !
____
Cheers,
Bob
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