Search found 24 matches
- Thu Oct 20, 2016 3:35 am
- Forum: Questions & Answers
- Topic: java card- ECDSA signature
- Replies: 3
- Views: 8299
Re: java card- ECDSA signature
Generally speaking, your card will support ALG_ECDSA_SHA256 as well. But it really depends on the implementation.
- Sat Mar 19, 2016 3:04 am
- Forum: Communication
- Topic: write an application program which can access java card
- Replies: 4
- Views: 17257
Re: write an application program which can access java card
You can write the applet in Java, Python and so on. The program language just depends on your own situation.
- Sat Mar 19, 2016 2:34 am
- Forum: Questions & Answers
- Topic: How to save the key in RAM?
- Replies: 1
- Views: 5758
- Tue Feb 23, 2016 4:40 am
- Forum: Questions & Answers
- Topic: How to convert ijc file to cap file
- Replies: 1
- Views: 5489
How to convert ijc file to cap file
I want to create script to upload and install a package into a java card.
I have a ijc file. And I want to convert it to cap file so my tool only create script from cap file.
Any advices?
I have a ijc file. And I want to convert it to cap file so my tool only create script from cap file.
Any advices?
- Thu Jan 21, 2016 4:02 am
- Forum: Questions & Answers
- Topic: put a pkcs#11-cert on the card
- Replies: 1
- Views: 4905
put a pkcs#11-cert on the card
I am writing an applet for doing some crypto-operations. How can I also put a pkcs#11-cert on the card? I want to establish a connection to an openssl-vpn. For this I need to put the client-cert on the card, so the vpn client can get it from there. But I can only find information using opensc. If I ...
- Fri Jan 15, 2016 4:53 am
- Forum: Questions & Answers
- Topic: Generate application cryptogram in java card applet
- Replies: 1
- Views: 4969
Generate application cryptogram in java card applet
Hi all!
Could anyone provide me some information to generate application cryptogram in java card applet?
BR
Heather
Could anyone provide me some information to generate application cryptogram in java card applet?
BR
Heather
- Thu Dec 24, 2015 5:23 am
- Forum: Card Products
- Topic: JCOP J3D081 card
- Replies: 1
- Views: 6576
JCOP J3D081 card
As shown on the J3D081 card description page, the default ATR is 3B F9 13 00 00 81 31 FE 45 4A 43 4F 50 32 34 32 52 32 A3.
If I buy some J3D081 cards , would you please help me change the ATR?
If I buy some J3D081 cards , would you please help me change the ATR?
- Thu Dec 17, 2015 3:29 am
- Forum: Questions & Answers
- Topic: GET REPONSE command with JCOP card
- Replies: 1
- Views: 5443
GET REPONSE command with JCOP card
I also installed my applet into JCOP card and tested GET REPONSE COMMAND. But it returned as follows: Send: 00 00 00 00 00 Recv: 6C 02 Time used: 0.000 ms Send: 00 00 00 00 02 Recv: 03 01 90 00 Time used: 10.000 ms Why did JCOP card return these? Here is applet-code: package GR_TEST; import javacard...
- Wed Dec 16, 2015 6:44 am
- Forum: Questions & Answers
- Topic: Confused about Get Response command
- Replies: 3
- Views: 15007
Re: Confused about Get Response command
You can write one applet, and have a test. I have written an applet. Here is the code: package GR_TEST; import javacard.framework.*; import javacardx.apdu.ExtendedLength; public class GR_TEST extends Applet implements ExtendedLength { byte[] a = null; public GR_TEST() { a = new byte[(short)1000]; f...
- Tue Dec 15, 2015 5:41 am
- Forum: Questions & Answers
- Topic: Confused about Get Response command
- Replies: 3
- Views: 15007
Confused about Get Response command
I am a little confused about Get Response command. If my card has to return 1000 bytes, how can I set the Le ? e.g. >> CLA INS P1 P2 Lc Data Le What is the Le in this APDU command? Will the cards return 256 bytes first, then 256 bytes, 256bytes, 232 bytes successively? How does it implement this aft...