I need some basic idea to implement SET STATUS command. From where can i start and Please refer any doc or anything to understand.
Thanks,
Deepansh
Search found 44 matches
- Fri May 11, 2018 11:12 am
- Forum: Questions & Answers
- Topic: Need SET STATUS
- Replies: 1
- Views: 5355
- Sun Sep 17, 2017 3:08 am
- Forum: Questions & Answers
- Topic: Store 16 Byte Key
- Replies: 2
- Views: 8537
Re: Store 16 Byte Key
I read somewhere that we should never store the keys that are personalized, that need to be used at the time for ARQC and ARPC generation.
We should use something like "key objects" but I not getting how to implement that.
We should use something like "key objects" but I not getting how to implement that.
- Sat Sep 16, 2017 9:14 am
- Forum: Questions & Answers
- Topic: Store 16 Byte Key
- Replies: 2
- Views: 8537
Store 16 Byte Key
Hi Everyone,
I want to store the "Key" through personalization. So, I can use that key while generating MAC. Can anyone tell how can i achieve that without using Byte array.
Regards,
Deepansh
I want to store the "Key" through personalization. So, I can use that key while generating MAC. Can anyone tell how can i achieve that without using Byte array.
Regards,
Deepansh
- Tue Aug 08, 2017 11:37 pm
- Forum: Algorithm School
- Topic: 3DES Encryption
- Replies: 5
- Views: 19190
Re: 3DES Encryption
https://javacardos.com/wiki/javacard-api-samples/des
check the above link, i hope it is useful for you for 3DES.
check the above link, i hope it is useful for you for 3DES.
- Fri Aug 04, 2017 8:21 am
- Forum: Questions & Answers
- Topic: Xor calculation
- Replies: 1
- Views: 8772
Xor calculation
Hi everyone, i am calculating XOR like this, public static byte[] xor(byte[] arqc, byte[] responseCode) { byte[] c = new byte[arqc.length]; for (short i = 0; i < arqc.length; i++) { c[i] = (byte) (arqc[i] ^ responseCode[i]); } return c; } is there any other way to calculate XOR because i think it mi...
- Thu Aug 03, 2017 10:45 am
- Forum: Questions & Answers
- Topic: ARPC generation
- Replies: 22
- Views: 33107
Re: ARPC generation
I am getting 6F 00 when i am running ARPC request after some continuous transactions.
- Thu Aug 03, 2017 10:44 am
- Forum: Questions & Answers
- Topic: 6F 00
- Replies: 1
- Views: 7354
6F 00
Hi,
I am getting 6F 00 when i am running ARPC request after some continuous transactions.
Thanks in advance.
Deepansh
I am getting 6F 00 when i am running ARPC request after some continuous transactions.
Thanks in advance.
Deepansh
- Thu Jun 29, 2017 5:34 am
- Forum: Solutions
- Topic: ICC Master Key Derivation
- Replies: 3
- Views: 24258
Re: ICC Master Key Derivation
Described in EMV 4.x Book 2, Chapter "Master Key Derivation", there's 3 methods to Generate MK. And in the code of OpenEMV applet, the MK is a constant bytes, and it can be personalized before use it. Yes you are correct. I figured it out later... after gone through some documents. Still ...
- Wed Jun 28, 2017 2:18 am
- Forum: Questions & Answers
- Topic: ARPC generation
- Replies: 22
- Views: 33107
Re: ARPC generation
UNKNwYSHSA wrote:
how to derive ICC master key in java card?
- Wed Jun 28, 2017 2:17 am
- Forum: Solutions
- Topic: ICC Master Key Derivation
- Replies: 3
- Views: 24258
ICC Master Key Derivation
Does anyone how to derive ICC master key?
Thanks in Advance.
Regards,
Deepansh
Thanks in Advance.
Regards,
Deepansh