You may refer to ECC sample code in JavaCardOS wiki. It implements the basic function with ECC, e.g. generate keypair, sign and verify.
http://javacardos.com/wiki/index.php/ho ... y/ecc.html
Search found 18 matches
- Mon Dec 19, 2016 1:48 am
- Forum: Algorithm School
- Topic: ECC cryptography on javacard
- Replies: 2
- Views: 8258
- Tue Dec 15, 2015 5:48 am
- Forum: Card Products
- Topic: How to know MIFARE card type
- Replies: 3
- Views: 14559
Re: How to know MIFARE card type
You can find the ATR of the card and analyze ATR structure to find the card type. That's wrong because Mifare Classic, DESFire have no ATR! But you can use the ATQA and SAK to identify the Mifare type. Please check MIFARE Type Identification Procedure m Thank you for your answer. This pdf doc is ve...
- Wed Dec 09, 2015 5:18 am
- Forum: Card Products
- Topic: What kind of APDU can I send to the MIFARE card?
- Replies: 2
- Views: 7867
What kind of APDU can I send to the MIFARE card?
Hey all. I have another question about MIFARE. I want to authenticate to MIFARE card. How do I know what kind of APDU to send to the card? Is there any doc or tutorial about this?
- Tue Dec 08, 2015 1:44 am
- Forum: Card Products
- Topic: How to know MIFARE card type
- Replies: 3
- Views: 14559
How to know MIFARE card type
I know some MIFARE card type, such as Classic, DESFire, Plus, Ultralight and so on. But How can I know the exact type of my MIFARE card? I only know that my card is MIFARE 4k. Any ways to know the exact type?
- Fri Nov 13, 2015 11:54 pm
- Forum: Questions & Answers
- Topic: JCKit JAVACOS_1.0.5.37 build the project error
- Replies: 1
- Views: 5972
JCKit JAVACOS_1.0.5.37 build the project error
I download and install the new version of JCKit, I opened a project which has been compiled successful. But this time it make errors, it shows D:\JCALGT~1\src\AlgTest\AlgPerformanceTest.java:64: cannot find symbol symbol : class KoreanSEEDKey location: class AlgTest.AlgPerformanceTest KoreanSEEDKey ...
- Fri Aug 28, 2015 3:50 am
- Forum: Shopping FAQ
- Topic: IFD A40CR card chip
- Replies: 7
- Views: 15185
IFD A40CR card chip
What type of chip do IFD A40CR card use?
- Fri Aug 28, 2015 2:23 am
- Forum: Questions & Answers
- Topic: create applet APDU returns SW '64 43'
- Replies: 1
- Views: 5574
create applet APDU returns SW '64 43'
Hey guys, I need to send an APDU script file to the CREF. My script file includs powerup command, powerdown command and a create applet APDU command. And my create applet APDU is: 0x80 0xB8 0x00 0x00 0x0c 0x0a 0xa0 0x00 0x00 0x00 0x62 0x03 0x01 0x0c 0x07 0x01 0x00 0x7F; My applet AID is 0xa0, 0x00, ...
- Mon Jun 15, 2015 11:32 pm
- Forum: Algorithm School
- Topic: Find a faster way to compute CMAC subkeys
- Replies: 2
- Views: 7833
Find a faster way to compute CMAC subkeys
The following code is part of CMAC subkeys computation implementing left bit shift of a 16-byte array. private static final void rotateLeft(final byte[] output, final byte[] input) { short carry = 0; short i = (short) 16; do { --i; carry = (short)((input[i] << 1) | carry); output[i] = (byte)carry; c...