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Search found 12 matches

by Ruenie
Thu Apr 27, 2017 6:01 am
Forum: Algorithm School
Topic: cipher/ decipher with 3DES alg
Replies: 4
Views: 397

Re: cipher/ decipher with 3DES alg

I didn't use any weak key. Except 3DES, can I use other algorithms?
by Ruenie
Wed Apr 26, 2017 11:46 pm
Forum: Algorithm School
Topic: cipher/ decipher with 3DES alg
Replies: 4
Views: 397

cipher/ decipher with 3DES alg

Hey guys, I came across a problem recently. Hope you can figure me out. I tried to cipher some text with 3DES alg with a key of 16 bytes. And I asked users to input the first part of my 16 bytes key - that is 8 characters. The second part is hard-coded. I tried with simple key like "12345678&qu...
by Ruenie
Thu Mar 09, 2017 2:29 am
Forum: Card Products
Topic: Changing J2A080 ATR
Replies: 3
Views: 507

Re: Changing J2A080 ATR

Thanks for all the help. I have tried to contact the card provider.
by Ruenie
Tue Mar 07, 2017 10:10 pm
Forum: Card Products
Topic: Changing J2A080 ATR
Replies: 3
Views: 507

Changing J2A080 ATR

I have 5pcs JCOP J2A080 cards and for convenient I want to change cards' ATR to different value. Does anyone have script to do this? Thanks a lot
by Ruenie
Tue Feb 07, 2017 10:08 pm
Forum: Questions & Answers
Topic: Ensure data sent from an un-fake terminal
Replies: 2
Views: 329

Ensure data sent from an un-fake terminal

I am gonna send data from host application to java card and check if it's correct.
Which encryption mechanism should I implement to ensure that the data is sent from an un-fake host application.
by Ruenie
Mon Jan 09, 2017 2:56 am
Forum: Questions & Answers
Topic: Exception 0x8010002F, why?
Replies: 1
Views: 253

Exception 0x8010002F, why?

When I use GPShell to to test my java card applet, I got error " send_APDU() returns 0x8010002F (A communications error with the smart card has been detected. Retry the operation ." i.e. sending command >A404000008, the error appears, expected to be 0x6099. Perhaps someone can help me with...
by Ruenie
Wed Oct 26, 2016 10:34 pm
Forum: Questions & Answers
Topic: Create a VISA card by myself
Replies: 2
Views: 348

Create a VISA card by myself

I want to make a VISA card for my personal use. Is it possible to do this?
by Ruenie
Mon Sep 26, 2016 10:43 pm
Forum: Questions & Answers
Topic: Sending extended APDU via pyapdutool and pyresman
Replies: 3
Views: 410

Sending extended APDU via pyapdutool and pyresman

I found that both pyapdutool and pyresman don't support sending extended APDU.

When I sent extended APDU via pyapdutool, it returned "APDU error: The command apdu is not correct." And in pyresman, I got "Exception:"
by Ruenie
Wed Jul 20, 2016 4:16 am
Forum: Questions & Answers
Topic: Question about JCVM masked and java card framework masked
Replies: 1
Views: 287

Question about JCVM masked and java card framework masked

I have a JCVM masked and java card framework masked. Now I wonder how the JCVM can know that there is already framework masked? How can it find some java classes to upload? Hope anyone can clarify this for me.
by Ruenie
Wed Mar 09, 2016 4:52 am
Forum: Communication
Topic: Can I delete security domain with mandated DAP privilege?
Replies: 1
Views: 680

Can I delete security domain with mandated DAP privilege?

As the subject said, can I delete security domain with mandated DAP privilege ?

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