Search found 86 matches

by BirdKing
Mon Feb 25, 2019 6:31 am
Forum: Questions & Answers
Topic: How to Store a String data into the Java Card
Replies: 4
Views: 2392

Re: How to Store a String data into the Java Card

Javacard has string class. You may consider your need carefully.
by BirdKing
Mon Feb 25, 2019 6:28 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

The empty xfrblock also replace the ack in extend apdu.
by BirdKing
Mon Feb 25, 2019 6:26 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

On APDU level, if the 8th word of pc_to_rdr_xfrblock is 0x0010 indicates the abData field is empty. This empty xfrblock could take place of s wtx in T=1 or T=0.
by BirdKing
Sat Feb 16, 2019 10:06 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

On APDU level, how to process wtx or 0x60?
In CCID specification I can see "If the ICC request time extension, by using a NULL proceduce byte (0x60) in T=0 protocol or S(wtx) in T=1 prptocol, the CCID informs the host of this request." But I annot understand very well.
by BirdKing
Sat Feb 16, 2019 9:53 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

On APDU level, CCID has a setParamters(0x61) command to set the GT, WT and protocol. So I think it doesn't need PPS.
by BirdKing
Mon Jan 28, 2019 8:16 am
Forum: Questions & Answers
Topic: My token cannot run on MAC
Replies: 2
Views: 1767

Re: My token cannot run on MAC

I should say thanks firstly. I'm ashamed of myself for my description is so poor. I have solved this problem luckly. The reason is that my device response "not support" to the "GetSlot" command came from MAC. So I can get the complete enumeration by USB anayler. But the tools on MAC cannot communica...
by BirdKing
Mon Jan 28, 2019 7:45 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

TPDU is without PCB. The S block and the R block should be absence. Oh, I'm so foolish.
But how to process the PPS?
by BirdKing
Mon Jan 28, 2019 7:45 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 7606

Re: What's the difference between APDU and TPDU?

And I need not process S block and R block too ?
by BirdKing
Sun Jan 27, 2019 9:30 am
Forum: Questions & Answers
Topic: How to selected protocol of compound device
Replies: 3
Views: 2317

How to selected protocol of compound device

Hello, everyone. I want to implement a compound device. It has two protocol: CCID and FIDO HID.I have some problem with it. How to select protocol? FIDO HID can interrupt CCID to process its commands if CCID is working?
by BirdKing
Sun Jan 27, 2019 8:54 am
Forum: Questions & Answers
Topic: My token cannot run on MAC
Replies: 2
Views: 1767

My token cannot run on MAC

I have a token implemented by CCID. But it has some problems on MAC. The appearance is that MAC can distinguish token but pcsctest stop at communicatin.
help me.
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