Search found 12 matches
- Thu Apr 27, 2017 6:01 am
- Forum: Algorithm School
- Topic: cipher/ decipher with 3DES alg
- Replies: 4
- Views: 10771
Re: cipher/ decipher with 3DES alg
I didn't use any weak key. Except 3DES, can I use other algorithms?
- Wed Apr 26, 2017 11:46 pm
- Forum: Algorithm School
- Topic: cipher/ decipher with 3DES alg
- Replies: 4
- Views: 10771
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...
- Thu Mar 09, 2017 2:29 am
- Forum: Card Products
- Topic: Changing J2A080 ATR
- Replies: 3
- Views: 10650
Re: Changing J2A080 ATR
Thanks for all the help. I have tried to contact the card provider.
- Tue Mar 07, 2017 10:10 pm
- Forum: Card Products
- Topic: Changing J2A080 ATR
- Replies: 3
- Views: 10650
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
- Tue Feb 07, 2017 10:08 pm
- Forum: Questions & Answers
- Topic: Ensure data sent from an un-fake terminal
- Replies: 2
- Views: 6302
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.
Which encryption mechanism should I implement to ensure that the data is sent from an un-fake host application.
- Mon Jan 09, 2017 2:56 am
- Forum: Questions & Answers
- Topic: Exception 0x8010002F, why?
- Replies: 1
- Views: 6100
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...
- Wed Oct 26, 2016 10:34 pm
- Forum: Questions & Answers
- Topic: Create a VISA card by myself
- Replies: 2
- Views: 7000
Create a VISA card by myself
I want to make a VISA card for my personal use. Is it possible to do this?
- Mon Sep 26, 2016 10:43 pm
- Forum: Questions & Answers
- Topic: Sending extended APDU via pyapdutool and pyresman
- Replies: 3
- Views: 7072
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:"
When I sent extended APDU via pyapdutool, it returned "APDU error: The command apdu is not correct." And in pyresman, I got "Exception:"
- Wed Jul 20, 2016 4:16 am
- Forum: Questions & Answers
- Topic: Question about JCVM masked and java card framework masked
- Replies: 1
- Views: 5330
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.
- Wed Mar 09, 2016 4:52 am
- Forum: Communication
- Topic: Can I delete security domain with mandated DAP privilege?
- Replies: 1
- Views: 7583
Can I delete security domain with mandated DAP privilege?
As the subject said, can I delete security domain with mandated DAP privilege ?