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Search found 630 matches

by UNKNwYSHSA
Sat Jun 30, 2018 9:02 am
Forum: pyResMan
Topic: Problem executing last version of pyResMan on Windows 10
Replies: 15
Views: 4396

Re: Problem executing last version of pyResMan on Windows 10

on windows 10 or any system, i am not able to run the tool or see the error. Can anyone tell me how i can see the error, like everyone has posted. on my systems, the command line window opens and closes immediately. Is there any dependecy to be isntalled first to use the tool on wondows. if yes the...
by UNKNwYSHSA
Sat Jun 30, 2018 9:02 am
Forum: pyResMan
Topic: Problem executing last version of pyResMan on Windows 10
Replies: 15
Views: 4396

Re: Problem executing last version of pyResMan on Windows 10

You can launch a cmd shell and run pyResMan in the shell.
You can copy the error message here. And we kcan help you to resolve this problem.
Wating for you.
by UNKNwYSHSA
Sat Sep 16, 2017 11:50 pm
Forum: Communication
Topic: Are there functions like BigInteger.modPow, modMul in JavaCard?
Replies: 4
Views: 1743

Re: Are there functions like BigInteger.modPow, modMul in JavaCard?

You can ask card provider to implemente BigInteger functions into CardOS.
JavaCardOS can do that. You can contact them for your requirement. (Through email: javacardos@gmail.com)
by UNKNwYSHSA
Sat Sep 16, 2017 11:45 pm
Forum: Questions & Answers
Topic: Store 16 Byte Key
Replies: 2
Views: 619

Re: Store 16 Byte Key

without using Byte array.

What are you thinking of this?
by UNKNwYSHSA
Sat Sep 02, 2017 8:18 am
Forum: Questions & Answers
Topic: How to get static C-MAC
Replies: 1
Views: 509

Re: How to get static C-MAC

Ask your card provider/manufactor.
by UNKNwYSHSA
Sat Sep 02, 2017 7:34 am
Forum: Other Tools
Topic: GP Verify error: GP init update failed. recv: 6D 00
Replies: 5
Views: 1379

Re: GP Verify error: GP init update failed. recv: 6D 00

Hi UNKNwYSHSA Thank you for responding my question. Actually, I am interested to establish secure connection channel and load applet with GP because this will help me to understand. Additionally, I believe that this is a good practice for me because I am fairly new programming in JavaCard and I may...
by UNKNwYSHSA
Sat Aug 05, 2017 1:24 pm
Forum: Card Products
Topic: Extended APDUs on JC10M128C
Replies: 2
Views: 1852

Re: Extended APDUs on JC10M128C

Your applet shall extends ExtendedLength interface.
Please refer to this example: https://javacardos.com/wiki/javacard-ap ... munication
by UNKNwYSHSA
Sat Aug 05, 2017 1:19 pm
Forum: Applets Development Guide
Topic: Random number generator
Replies: 2
Views: 991

Re: Random number generator

The argument value of RandomData.getInstance() shall only be RandomData.ALG_PSEUDO_RANDOM or RandomData.ALG_SECURE_RANDOM . And you can use the method generateData() of RandomData instance to generate random bytes, not method nextBytes . Here is the description of class RandomData in JavaCard API sp...
by UNKNwYSHSA
Sat Aug 05, 2017 1:13 pm
Forum: Questions & Answers
Topic: 6F 00
Replies: 1
Views: 484

Re: 6F 00

I am talking with you in the other post.
by UNKNwYSHSA
Sat Aug 05, 2017 1:11 pm
Forum: Questions & Answers
Topic: Xor calculation
Replies: 1
Views: 754

Re: Xor calculation

Please check the length of the responseCode, it's length shall greater or equal to the length of arqc!
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