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Search found 68 matches

by rena2019
Sun Dec 13, 2015 2:31 pm
Forum: Card Products
Topic: How to know MIFARE card type
Replies: 3
Views: 3316

Re: How to know MIFARE card type

Romanzi wrote:You can find the ATR of the card and analyze ATR structure to find the card type.

That's wrong because Mifare Classic, DESFire have no ATR!

But you can use the ATQA and SAK to identify the Mifare type. Please check MIFARE Type Identification
Procedure http://www.nxp.com/documents/applicatio ... N10833.pdf
by rena2019
Wed Dec 09, 2015 3:56 pm
Forum: Card Products
Topic: What kind of APDU can I send to the MIFARE card?
Replies: 2
Views: 987

Re: What kind of APDU can I send to the MIFARE card?

Mifare Classic, Ultralight, etc (except DESFire) do not understand ISO14443-4 APDU command. They communicate with ISO14443-3 commands. Some smartcard reader support sending commands to Mifare cards via pseudo APDU (starting with FF). The real communication with the card is handled in the firmware.
by rena2019
Wed Dec 09, 2015 3:49 pm
Forum: Card Products
Topic: "INITIALIZE UPDATE and EXTERNAL AUTHENTICATE" VS "VERIFYING"
Replies: 2
Views: 1435

Re: "INITIALIZE UPDATE and EXTERNAL AUTHENTICATE" VS "VERIFYING"

INITIALIZE UPDATE & EXTERNAL AUTHENTICATE are used for GP card content management to establish a secure channel protocol connection. After authentication is verified you can upload an applet (cap file). The VERIFYING command is an ISO7816-4 Interindustry command m used to verify a PIN. The GP co...
by rena2019
Mon Dec 07, 2015 6:47 am
Forum: Shopping FAQ
Topic: Payment issue with Paypal
Replies: 2
Views: 2193

Payment issue with Paypal

Hi Support,
It it not possible to pay with Paypal. I tried it several times and always got the following error:
"Parameters in session do not match those in PayPal API calls"
by rena2019
Fri Dec 04, 2015 9:54 am
Forum: Questions & Answers
Topic: How to send string data to my java card
Replies: 2
Views: 798

Re: How to send string data to my java card

char by char? as an array of bytes?
by rena2019
Sat Nov 28, 2015 4:01 pm
Forum: Card Products
Topic: Looking for any doc about Bluetooth EMV Card
Replies: 4
Views: 783

Re: Looking for any doc about Bluetooth EMV Card

Nice! How much does 1 card cost and when is it available?
by rena2019
Thu Nov 26, 2015 7:34 am
Forum: Questions & Answers
Topic: Is it possible to return some data along with the status word 9000 on selecting an applet in javacard?
Replies: 3
Views: 931

Re: Is it possible to return some data along with the status word 9000 on selecting an applet in javacard?

public void process(APDU apdu) { if (selectingApplet()) { apdu.getBuffer()[0] = 0x01; apdu.getBuffer()[1] = 0x02; apdu.getBuffer()[2] = 0x03; apdu.getBuffer()[3] = 0x04; apdu.setOutgoingAndSend((short)0, (short)4); return; } ...
by rena2019
Tue Nov 24, 2015 3:38 am
Forum: Card Products
Topic: Is there any way to get JC version of Java Card.
Replies: 2
Views: 1144

Re: Is there any way to get JC version of Java Card.

2. implement the Applet with call of JCSystem.getVersion()
3. some cards support GP GET DATA command for Tag 66: send APDU 80 CA 00 66 00, check GP website / spec for more details
by rena2019
Mon Nov 23, 2015 7:33 am
Forum: Card Products
Topic: Is there any way to to hide the applet in java card
Replies: 1
Views: 686

Re: Is any way to to hide the applet in java card

The only way: you have to change the default ISD keys
by rena2019
Thu Nov 05, 2015 8:23 am
Forum: Shopping FAQ
Topic: Have cards with mifare?
Replies: 3
Views: 958

Re: Have cards with mifare?

I don't know that Mifare is possible with your card. I bought 2 month ago. Is it possible to enable the card after I bought it?
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