Search found 630 matches
- Wed Oct 07, 2015 10:37 am
- Forum: Card Products
- Topic: How to get the list of the applet-AID and package-AID on java card
- Replies: 3
- Views: 9262
Re: How to get the list of the applet-AID and package-AID on java card
You can see the APDUs pyApduTool sent. Study the commands to get these informations. The commands are all descripted in the GP specification.
- Fri Oct 02, 2015 2:14 pm
- Forum: Algorithm School
- Topic: Javacard CRC32 calculation results are different
- Replies: 1
- Views: 7289
Re: Javacard CRC32 calculation results are different
The different is the initial value, the first uses 0xFFFFFFFF, what is the value of the second?
- Fri Oct 02, 2015 2:11 pm
- Forum: Card Products
- Topic: Change javacard default key
- Replies: 1
- Views: 6564
Re: Change javacard default key
I use an internal tool to change the default key values.
You can use tool like the pyApdutool to do GP authentication, and send PUT KEY command, you can construct this command data as the GP specification descripted.
You can use tool like the pyApdutool to do GP authentication, and send PUT KEY command, you can construct this command data as the GP specification descripted.
- Fri Oct 02, 2015 2:07 pm
- Forum: Card Products
- Topic: Question about getting SW：61 02
- Replies: 2
- Views: 7476
Re: Question about getting SW：61 02
You can see information about this in the ISO7816-3/4 specification, read specifications first ...
- Fri Oct 02, 2015 1:55 pm
- Forum: Applets Development Guide
- Topic: Video Tutorial - How to download CAP file to smart card?
- Replies: 36
- Views: 250053
Re: How to download CAP file to java card?
6985, conditions not satisfied： 1 Free space? 2 The package this applet independ? Ask you: 1 The applet you download is the applet at the top of this post? 2 You already has so many applet on your card, is there enough space for the downloading applet? 3 If not 1, your applet inpended to other packa...
- Fri Oct 02, 2015 1:54 pm
- Forum: Questions & Answers
- Topic: Make my applet auto select itself?
- Replies: 1
- Views: 5915
Re: Make my applet auto select itself?
When you install the applet to create applet instance, set the Reset privilege.
- Fri Oct 02, 2015 1:47 pm
- Forum: Questions & Answers
- Topic: Read only mode
- Replies: 5
- Views: 12852
Re: Read only mode
You can do some authentication, GP auth PIN auth, if authed, card can be modified, otherwise, the card content is read only. as "horse dream" said.
- Mon Sep 28, 2015 2:33 am
- Forum: Questions & Answers
- Topic: Looking for a simulated environment
- Replies: 1
- Views: 6097
Re: Looking for a simulated environment
You can use jCardSim. Here is the website: https://jcardsim.org/
- Mon Sep 28, 2015 2:29 am
- Forum: Card Products
- Topic: Will the card free the EEPROM memory after i remove the package?
- Replies: 1
- Views: 5861
Re: Will the card free the EEPROM memory after i remove the package?
Runtime Environment Specification for the Java Card Platform, Version 2.2.2 says:
The resources used by the applet package may be recovered for reuse.
The resources used by the applet instances may be recovered for reuse.
- Thu Sep 24, 2015 9:06 am
- Forum: Card Products
- Topic: Java card low power consumption
- Replies: 1
- Views: 6612
Re: Java card low power consumption
The chip support this function and the OS use it. I know infineon support this function calls AFC(auto frequency controller), I think that the contactless chip all maybe support this function.