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Search found 9 matches
- Mon Dec 17, 2018 3:36 am
- Forum: Questions & Answers
- Topic: Find tools that can set GP key
- Replies: 2
- Views: 10611
Find tools that can set GP key
Is there any tools that can set GP key(S-ENC, C-MAC, DEK) easily?
- Wed Sep 06, 2017 3:43 am
- Forum: Questions & Answers
- Topic: Issue about using CAC
- Replies: 1
- Views: 8166
Issue about using CAC
I would like to use the javax.smartcardio to access information off a CAC. I can retrieve information about the card itself, but do not know what to do next. I know the AID of the applet, but have no idea what APDU commands to send to retrieve the information I want. Does anyone here have experience...
- Thu Aug 10, 2017 10:56 pm
- Forum: Questions & Answers
- Topic: TCP of Java Card 3.0
- Replies: 1
- Views: 8246
TCP of Java Card 3.0
Is TCP is really mandatory for the Java Card 3.0? Is it possible to implement the TCP over the APDU interface? and do we need to implement some kind of proxy in the card?
- Sat May 27, 2017 5:53 am
- Forum: Questions & Answers
- Topic: Find the data back in Buffer
- Replies: 3
- Views: 10205
Re: Find the data back in Buffer
Well, I found I have made a stupid mistake. I missed this line
Thanks for your help, choimillen.
Code: Select all
apdu.setIncomingAndReceive();Thanks for your help, choimillen.
- Fri May 26, 2017 11:05 pm
- Forum: Questions & Answers
- Topic: Find the data back in Buffer
- Replies: 3
- Views: 10205
Find the data back in Buffer
I have a problem about APDU buffer. When I select my applet, there are "CLA INS P1 P2 Lc Data" in the buffer, but when I tried to check the PIN code, this buffer array didn't have my PIN code in the data field. I only got "CLA INS P1 P2 Le". Why didn't it contain my PIN code? Nee...
- Wed May 10, 2017 10:59 pm
- Forum: Questions & Answers
- Topic: Find document about java card that is easier to read
- Replies: 1
- Views: 7348
Find document about java card that is easier to read
I have read the ISO/IEC 7816 and ISO/IEC 14443 specifications for some time. However, I found it's a little hard for me to understand, and sometimes I was confused by the wording. Could someone here recommend any document that is easier to understand? Much appreciated.
- Wed May 10, 2017 10:50 pm
- Forum: Questions & Answers
- Topic: How to get big number
- Replies: 3
- Views: 9845
Re: How to get big number
Thank you for all the help. My problem is solved. But I still have one small question. I will new another topic for easy to communicate. Thanks
- Tue May 09, 2017 1:28 am
- Forum: Questions & Answers
- Topic: How to get big number
- Replies: 3
- Views: 9845
How to get big number
I would like to implement my own wallet applet. And I want to credit 1512 , so I sent APDU CLA INS P1 P2 lC DATA 80 50 00 00 02 05E8 when I use apdu.getBuffer(); to get this data, the value changes. 0xE8 is supposed to be 232, but because it supports unsigned nature, it shows a different value. What...
- Tue Apr 18, 2017 10:21 pm
- Forum: Questions & Answers
- Topic: specify the application AID
- Replies: 1
- Views: 7370
specify the application AID
I am beginner in java card field. I am writing a simple "Hello world" applet, how can I specify the application AID of my applet? Specified it in my applet? I appreciate any help here.