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AmigoJack

Thelogan wrote:It's memory problem.
JCOP supports object deletion . Please check JC 2.2.1 API doc, JCSystem.isObjectDeletionSupported() and requestObjectDeletion().

Thank you for your help. But where should I call requestObjectDeletion() ? And should I try to initialize all variables in constructor?

AmigoJack

It works! It works! Thank you very much, UNKNwYSHSA.

AmigoJack

Thank you UNKNwYSHSA. It helps.

In fact, my goal is to find difference of duration on card for different length of key. So that I can evaluate the RSA performance on real card. Do you have any conclusion or experience on this?

AmigoJack

Thank you for sharing!

AmigoJack

Package or Library == Executable Load File, Applet == Module,

AmigoJack

I think that the first thing you should do is to parse ATR. You can get some information from the parsing result.

AmigoJack

Hi friend. There is no timer defined for Java Card 2. A complicated way I can think of measuring the time 1. implementing a counter loop and evaluating the byte code length of each iteration 2. knowledge about the Java Card byte code to assembler translation 3. knowledge about how long this assemble...

AmigoJack

Forget to say that I followed this topic to install the applet.

AmigoJack

horse dream wrote:How did you upload and install your applet? Which tools did you use?

Hi, @horse dream. I used pyGlobalPlatform to upload and install the applet.
After the applet is installed successfully, I send 00 A4 04 00 81 82 83 84 85 01, it returns 6A 82.

Search found 9 matches: re:

Re: What' wrong with my applet

Re: Problem about BitcoinWallet

Re: Time duration on RSA Encryption

Re: Sample code to change ATR history bytes

Re: the difference between an applet and an executable load file

Re: How to read citizen information from the card

Re: access the CPU timer inside a Java card Applet,

Re: Why my applet returned 6A 82 -- File Not Found?

Re: Why my applet returned 6A 82 -- File Not Found?

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