Search found 86 matches

by BirdKing
Thu Sep 03, 2020 2:57 am
Forum: Questions & Answers
Topic: How to use SCSI implement javacard communication?
Replies: 2
Views: 374

Re: How to use SCSI implement javacard communication?

For SCSI, the bInterfaceSubClass is SCSI and the bInterfaceProtocol is Bulk-Only.
by BirdKing
Tue Sep 01, 2020 2:44 am
Forum: Questions & Answers
Topic: How to use SCSI implement javacard communication?
Replies: 2
Views: 374

Re: How to use SCSI implement javacard communication?

SCSI is a subclass of USB Mass storage Device. And it is a Bulk-only transimition ?
by BirdKing
Tue Sep 01, 2020 2:40 am
Forum: Questions & Answers
Topic: How to use SCSI implement javacard communication?
Replies: 2
Views: 374

How to use SCSI implement javacard communication?

Helllo, everyone. I want implement SCSI on javacardos. The first question is what is the SCSI ? :o
by BirdKing
Mon Jul 15, 2019 12:30 am
Forum: Questions & Answers
Topic: Why the edge cannot identify my fido commands?
Replies: 0
Views: 2171

Why the edge cannot identify my fido commands?

Hi, everyone. I had some trouble with the edge browser. The question descrition is when I regist user on the fido test web page, I should press the butten. During this time, my fido sent "bb" to edge. After I pressed the butten, my fido return data to edge. But, edge cannot identify my fido. Why?
by BirdKing
Mon Jul 15, 2019 12:23 am
Forum: MCU Programming
Topic: How to implements SPI by GPIO?
Replies: 0
Views: 17324

How to implements SPI by GPIO?

Hello, everyone.
Now, I want to implements SPI protocol by GPIO pins. But I'm new at this. The first thing I want know is that I should set the pin to IN or OUT for MOSI. And the same question to MISO, CLK and CSS...
by BirdKing
Mon Jun 17, 2019 12:31 am
Forum: Questions & Answers
Topic: How to process INIT command of FIDO
Replies: 1
Views: 2546

How to process INIT command of FIDO

Hello, everyone.
Now, I'm learning FIDO HID. I have a problem about INIT command. If the first INIT command with cid= 00000001 is received, javacard processing this command. Then the second INIT command with cid = 00000002 is coming, javacard how to process this command?
by BirdKing
Mon May 27, 2019 5:29 am
Forum: Questions & Answers
Topic: How to process "GetSlot" command
Replies: 3
Views: 2749

Re: How to process "GetSlot" command

I had met this problem. So, I send the response for this CCID command in interrupted service procedures.
by BirdKing
Mon May 27, 2019 5:25 am
Forum: MCU Programming
Topic: What's the difference between SLEEP and HALT
Replies: 2
Views: 9506

What's the difference between SLEEP and HALT

Hello, I have doubt about SLEEP mode and HALT mode. What's the difference between them?
by BirdKing
Thu May 09, 2019 8:35 am
Forum: Questions & Answers
Topic: 69 82 Security status not satisfied
Replies: 4
Views: 3322

Re: 69 82 Security status not satisfied

Maybe you should establish secure channel.
by BirdKing
Thu May 09, 2019 8:33 am
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 8246

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

There is a new way to implement T0 extend APDU. Applet can send T0 envelope command by ThrowIt function. In this way, whether the card support T0 or not, applet can simulate T0 extend APDU.
JavaCard OS : Disclaimer