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Search found 83 matches

by BirdKing
Mon Jul 15, 2019 12:30 am
Forum: Questions & Answers
Topic: Why the edge cannot identify my fido commands?
Replies: 0
Views: 161

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: 344

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: 437

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: 812

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: 1
Views: 636

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: 781

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: 2479

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.
by BirdKing
Mon Apr 08, 2019 10:44 pm
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 2479

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

yes, T0 evelope command is packaged by application Layer on PC.The tool does not determine if the device is an APDU level. If I want extend APDU, I should implement envelope command.
by BirdKing
Mon Apr 01, 2019 6:56 pm
Forum: Questions & Answers
Topic: T0 envelope command
Replies: 0
Views: 377

T0 envelope command

T0 implements extendAPDU by envelope commands. I'm not clear about envelope commands.
How do the envelope commmands work?
by BirdKing
Mon Apr 01, 2019 6:52 pm
Forum: Questions & Answers
Topic: What's the difference between APDU and TPDU?
Replies: 16
Views: 2479

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

For APDU level, do we need achieve T0 envelope commands ?
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