Search found 40 matches
- Tue Feb 26, 2019 10:43 pm
- Forum: Questions & Answers
- Topic: How to change the AID of an Installed Package or Applet in JavaCard?
- Replies: 2
- Views: 7240
Re: How to change the AID of an Installed Package or Applet in JavaCard?
This is not possible. AID is a unique identifier and it cannot be changed. The only way is a reinstallation.
- Sun Feb 24, 2019 10:04 pm
- Forum: Questions & Answers
- Topic: eJava Token with type C
- Replies: 1
- Views: 7704
Re: eJava Token with type C
I have asked JavaCardOS Team several months ago and got the reply that they don't have the eJava Token with type C. You can try to email them to confirm again. If any news,please help to keep me updated. Many thanks.
- Thu Oct 19, 2017 6:12 am
- Forum: Questions & Answers
- Topic: Change ATR value
- Replies: 4
- Views: 11173
Re: Change ATR value
Hi there, it's easy to use ATR parse tool to know the ATR and historical bytes.
- Fri Sep 29, 2017 5:47 am
- Forum: Questions & Answers
- Topic: What' wrong with my applet
- Replies: 3
- Views: 7716
Re: What' wrong with my applet
Thank you for your help. But where should I call requestObjectDeletion() ? And should I try to initialize all variables in constructor? Keep in mind that you should try to avoid memory leaks like that. Create a temp buffer array and allocate memory in the constructor. If you really cannot circumven...
- Fri Sep 29, 2017 3:37 am
- Forum: Questions & Answers
- Topic: What' wrong with my applet
- Replies: 3
- Views: 7716
Re: What' wrong with my applet
It's memory problem.
JCOP supports object deletion . Please check JC 2.2.1 API doc, JCSystem.isObjectDeletionSupported() and requestObjectDeletion().
JCOP supports object deletion . Please check JC 2.2.1 API doc, JCSystem.isObjectDeletionSupported() and requestObjectDeletion().
- Mon Sep 11, 2017 6:21 am
- Forum: Questions & Answers
- Topic: value meaning in UPLOAD command
- Replies: 1
- Views: 5504
Re: value meaning in UPLOAD command
What you see in the second command is the LOAD command, and the first component to be loaded. The upload command includes two consecutive GlobalPlatform APDU commands: INSTALL [for load] and following multiple LOAD commands. It shall be seen as a fixed sequence. The LOAD command contains parts of th...
- Mon Sep 11, 2017 5:41 am
- Forum: Questions & Answers
- Topic: Use P1P2 in APDU command
- Replies: 1
- Views: 5541
Re: Use P1P2 in APDU command
If you use proprietary ISO command (CLA byte = 0x80), you may choose your own P1 / P2 parameters. In case it is a GlobalPlatform compliant card, take care of therein defined APDU commands as they use also CLA = 0x80.
- Wed Aug 23, 2017 2:16 am
- Forum: Shopping FAQ
- Topic: JC30M48CR card customization Service
- Replies: 4
- Views: 10706
Re: JC30M48CR card customization Service
Thank you for your kind reply.
I will list my customization requirement and send you soon.
I will list my customization requirement and send you soon.
- Mon Aug 21, 2017 11:48 pm
- Forum: Shopping FAQ
- Topic: JC30M48CR card customization Service
- Replies: 4
- Views: 10706
JC30M48CR card customization Service
I am interested in JC30M48CR card. I saw the description about Customization on product introduction page " JavaCardOS provides customization services implementing a variety of algorithms or features on multi-platform. Please contact javacardos@gmail.com for more details. " Would you pleas...
- Fri Jun 16, 2017 3:20 am
- Forum: Questions & Answers
- Topic: How to know the real length of data
- Replies: 1
- Views: 5166
Re: How to know the real length of data
If you want to check the real values, you could combine the Lc value with the value returned from apdu.setIncomingAndReceive(). This will indicate how many bytes will be read into the APDU buffer.