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andromeda92

Thank you fo the link.

andromeda92

what does GP key mean, are these the default keys (404142434445464748494A4B4C4D4E4F) or is it a key to encoded in the card which is not part of the three keys (S-ENC, C-MAC, DEK)? if i want to change default key, i need to create cryptogram ? i need to calculate RSA key ? is the card automatic calcu...

andromeda92

resolved, i have replaced this line

apdu.sendBytes((short)0, (short)4);

by

apdu.sendBytes((short)0, (short)2);

andromeda92

Hi, i have an applet, running on simulator or on real card, method getbalance return always 6E00 veryfy pin i ok credit is ok debit is ok change is ok but getbalance return 6E00 the code: package PackageWallet ; import javacard.framework.APDU; import javacard.framework.Applet; import javacard.framew...

andromeda92

everything is working fine now. Thank you.

andromeda92

I do not understand but now it works, I can check the pin code that I put in parameter, and change it. CODE: package PackageWallet ; import javacard.framework.*; public class AppletWallet extends Applet { /* constants declaration */ // code of CLA byte in the command APDU header final static byte Wa...

andromeda92

Hi, is it possible to install parameters to applet using JCIDE instead of using gp.exe or GPShell.exe, it is in order to test with the JVM (JAVACOS Virtual contact). Thanks for your help. Edit1 : I have found, when i install applet on debug, i can put parameter, but i have an error: my parameter is ...

andromeda92

Hi, 1) If I initialize my card with just the command 00A4040010 C238E449F725B1510EAA699550CABA16, I can download an applet, install it, and use it with pyAdpuTool and even with a client program developed in C # for example. The keys will be the default ones. 2) On the other hand, if after initializi...

andromeda92

You mean that just by initializing the card with the 00A4040010 TK KEY command, in my case is a J2A040, we can download applets and use it to develop with the default keys, so there is no need for the pre-personalized the card, to learn javacard language at home we can develop a client who uses the ...

andromeda92

Hi, I wanted to know if these smart card readers (PC/SC CCID) that I own work with javacard. ACS ACR88 ACS ACR38U Athena ASEDrive IIIe V2 USB 0 I ask this question because I have doubts about the compatibility if not, are there smart card readers that work nice to javacard standards JCOP GlabalPlatf...

Search found 38 matches

Re: what does GP key mean

what does GP key mean

Re: GET_BALANCE return 6E 00 or 6F 00

[resolved]GET_BALANCE return 6E 00 or 6F 00

Re: [resolved]Insert parameter with JCIDE

[resolved] Insert parameter with JCIDE

[resolved]Insert parameter with JCIDE

[RESOLVED][J2A040] v2.41 and initialisation question

Re: pre-personalization on a J2A040 card

[RESOLVED]Which smart card reader for javacardos?

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