Which card type do you use?
AFAIK, there is no software to change ATR.
You can ask your card provider for the method to change ATR.
Search found 36 matches
- Sun Aug 13, 2017 10:51 pm
- Forum: Reader
- Topic: how i can chang atr
- Replies: 1
- Views: 20569
- Mon Jul 10, 2017 5:48 am
- Forum: Questions & Answers
- Topic: Directory Tree of Java Card Filesystem
- Replies: 4
- Views: 10459
Re: Directory Tree of Java Card Filesystem
You may need to know these functions (i.e. DIRECTORY, LIST_OBJECTS), which are OS-depended. ISO 7816 does not describe them.
It means that you should read Card OS specification to make done this task.
It means that you should read Card OS specification to make done this task.
- Thu May 18, 2017 3:12 am
- Forum: Questions & Answers
- Topic: How to confirm the integrity of transient array
- Replies: 1
- Views: 5674
Re: How to confirm the integrity of transient array
Calculate MAC or CRC and then verify on the terminal side.
- Thu May 18, 2017 2:58 am
- Forum: Questions & Answers
- Topic: CLA= 0x7E in APDU command
- Replies: 6
- Views: 11854
Re: CLA= 0x7E in APDU command
0x7E isn't a valid CLA. The CLA value 0x7E is reserved for inter-industry use. CLA=7E contains relevant bits 0111xxxxb, where x can be 0 or 1. It indicate that both secure messaging and command chaining will be used. Maybe javax.smartcardio detects this CLA value and automatically starts a secure me...
- Wed May 17, 2017 5:55 am
- Forum: Questions & Answers
- Topic: CLA= 0x7E in APDU command
- Replies: 6
- Views: 11854
Re: CLA= 0x7E in APDU command
Why must your customer use 0x7E as CLA byte? You may try to communicate with them and use CLA=0x80 or 0x00.
- Wed May 17, 2017 4:50 am
- Forum: Questions & Answers
- Topic: CLA= 0x7E in APDU command
- Replies: 6
- Views: 11854
Re: CLA= 0x7E in APDU command
I'm curious. How do you know the CLA bytes that card receive is 0x3C?
- Wed May 17, 2017 4:46 am
- Forum: Questions & Answers
- Topic: How to reset card during APDUs execution
- Replies: 3
- Views: 8023
Re: How to reset card during APDUs execution
If you are using javax.smartcardio, you can try to pass the appropriate boolean value to disconnect and reset the card.
- Tue Mar 14, 2017 5:14 am
- Forum: Algorithm School
- Topic: Do hash on PC and send digest to my card for signing
- Replies: 8
- Views: 33012
Re: Do hash on PC and send digest to my card for signing
Try to use cipher instead of hash.
- Tue Oct 25, 2016 4:23 am
- Forum: Questions & Answers
- Topic: can't install Applet successfully
- Replies: 3
- Views: 7616
Re: can't install Applet successfully
JCIDE doesn't support HMAC. You can use SHA1 instead.
- Mon Oct 10, 2016 4:53 am
- Forum: Questions & Answers
- Topic: create SSD
- Replies: 1
- Views: 6310
Re: create SSD
I think the answer of your question should already been recorded in your card document.
You can check your card documentation carefully. You card supplier has detailed documentation for their customers.
You can check your card documentation carefully. You card supplier has detailed documentation for their customers.