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Search found 14 matches

by wintstar
Tue Mar 22, 2016 4:47 am
Forum: Card Products
Topic: confused about smart card baud rate
Replies: 1
Views: 918

Re: confused about smart card baud rate

ATR indicates Fi = max value of F and Di = max value of D
by wintstar
Thu Feb 25, 2016 3:39 am
Forum: Questions & Answers
Topic: write an applet for automatic switch Dual IMSI
Replies: 1
Views: 953

write an applet for automatic switch Dual IMSI

I am trying to write an applet for automatic switch Dual IMSI. But now I still have some question needed to be clarified.
Thanks for any help!
Questions:
1. What is the flow chart for switch IMSI?
2. Is there any specification which will give more details about these issues?
by wintstar
Wed Jan 06, 2016 4:41 am
Forum: Questions & Answers
Topic: integrate javacard and .NET in some way
Replies: 1
Views: 723

integrate javacard and .NET in some way

Hi,

Is it feasible to integrate javacard and .NET in some way?

Thanks for any comments on this subject!
by wintstar
Tue Dec 15, 2015 2:05 am
Forum: Questions & Answers
Topic: Compute operations with big values in JavaCard?
Replies: 1
Views: 649

Compute operations with big values in JavaCard?

I am trying to write a javacard applet which will process the compute operations (addition and a multiplication) with big values. Because my card version is JC2.2.2, the big values can only be represented by an array of bytes or an array of shorts. If I define how to do a multiplication and an addit...
by wintstar
Tue Dec 01, 2015 5:21 am
Forum: Algorithm School
Topic: Generate Random number on card and on terminal?
Replies: 1
Views: 879

Generate Random number on card and on terminal?

I am implementing a mutual authentication and I am wondering about Random number generation. RandomData rnd = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM); rnd.generateData(RP, (short) 0, (short) 16); Needless to say, this code works fine. But according to my specifications, in order to do a...
by wintstar
Thu Nov 19, 2015 2:30 am
Forum: Card Products
Topic: How to use eJava Token on my computer with LINUX OS
Replies: 1
Views: 884

How to use eJava Token on my computer with LINUX OS

I have received eJava Token. Now I am trying to test it on my computer with Ubuntu 15.04. But when I insert it to USB port, it seems that the os can't recognise this device. How can I use it on my computer?
by wintstar
Wed Nov 18, 2015 6:03 am
Forum: Card Products
Topic: How can I reduce memory consumption?
Replies: 1
Views: 709

How can I reduce memory consumption?

I have worked with some java card projects where achieving better performance and reducing memory consumption has been the primary goal. But believe me it has been very hard to control the memory consumption.

Now my question is what all measures you take to minimize the memory consumption?
by wintstar
Fri Oct 30, 2015 7:07 am
Forum: Card Products
Topic: eJava Token
Replies: 2
Views: 861

eJava Token

I have saw the eJava Token in the store.
Does this eJava Token support LINUX OS? And I also need the big number calculation function.
Does it provide big number calculation API?
Thanks
by wintstar
Wed Oct 28, 2015 8:15 am
Forum: Reader
Topic: How to use bR301 smartcard reader
Replies: 1
Views: 786

How to use bR301 smartcard reader

I am just using bR301 smartcard reader to do my test.
But when i connect the reader to my computer (win7 32bit) by bluetooth, it won't be viewed as a PC/SC device.
Could anyone tell me how i can use this bluetooth smartcard reader?
Any help is grateful.
by wintstar
Wed Sep 23, 2015 5:01 am
Forum: Questions & Answers
Topic: make two object of OwnerPIN for security ?
Replies: 1
Views: 812

make two object of OwnerPIN for security ?

My requirement is to save some data in java card safely and I am trying to make two object of OwnerPIN for security. One object is for user authentication, the other is for terminal authentication. We can read or update the data successfully only if both the user authentication and terminal authenti...
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