Search found 55 matches
- Fri Feb 19, 2016 5:11 am
- Forum: Questions & Answers
- Topic: Questions about a script file for java card
- Replies: 1
- Views: 4602
Re: Questions about a script file for java card
Q1: What is this script for ? to change ISD state from OP_READY to SECURED? A1: Yes! Your are right. The script is used to change ISD state from OP_READY to SECURED. Q2: Is the operation of the above script reversible by another script? A2: No. The change of state from SECURED to OP_READY is irrever...
- Fri Feb 19, 2016 4:45 am
- Forum: Questions & Answers
- Topic: the methods of init and verify PIN in org.globalplatform VS in javacard.framework
- Replies: 1
- Views: 4743
Re: the methods of init and verify PIN in org.globalplatform VS in javacard.framework
1. The java card pin is standalone. You can use it as you wish in your app. You can even have more than one. 2. The GP pin is global to the card. you update in app 1, the change is reflected in app 2. But it is probably less secure, since anyone can design an app that will change the pin of other ap...
- Wed Jan 13, 2016 5:25 am
- Forum: Questions & Answers
- Topic: CMS digital signature with JavaCard
- Replies: 1
- Views: 5142
CMS digital signature with JavaCard
I want to create a detached digital signature in standard format (CMS / CAdES-EPES). I create hash from document (SHA-256), get hash algorithm ID and give it all into a message. Detached signature is generated for this message(RSA-512) and sent back. I can verify this signature using pure Java code:...
- Tue Dec 01, 2015 3:02 am
- Forum: Algorithm School
- Topic: What's SDA and DDA?
- Replies: 1
- Views: 6335
What's SDA and DDA?
"JavaCard supports 2048 bits key length only in DDA.", said in a java card doc provided by card manufacturer.
So my question is what is DDA and SDA? How can I install applet in this mode.
ps. I only know that
SDA: Static Data Authentication
DDA: Dynamic Data Authentication
So my question is what is DDA and SDA? How can I install applet in this mode.
ps. I only know that
SDA: Static Data Authentication
DDA: Dynamic Data Authentication
- Tue Dec 01, 2015 2:43 am
- Forum: Algorithm School
- Topic: Got 6E00 when implementing RSA encryption
- Replies: 2
- Views: 7676
Got 6E00 when implementing RSA encryption
I am writing a javacard applet. RSA public and private keys are generated in constructor. public RSAApplet() { keyPair = new KeyPair(KeyPair.ALG_RSA_CRT, KeyBuilder.LENGTH_RSA_2048); keyPair.genKeyPair(); rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate(); rsaPublicKey = (RSAPublicKey) keyPair.get...
- Fri Nov 27, 2015 3:44 am
- Forum: PassportApplet
- Topic: What are the javacard crypto APIs needed to be supported for the JMRTD applet ?
- Replies: 2
- Views: 19663
What are the javacard crypto APIs needed to be supported for the JMRTD applet ?
Please check the subject.
- Wed Nov 04, 2015 8:30 am
- Forum: Questions & Answers
- Topic: Get the source code of the cap file
- Replies: 2
- Views: 7043
Re: Get the source code of the cap file
I am going to answer my own question.
The info of the JCOP card is JCOP242R2. And this test item passed. I can go on my test.
The info of the JCOP card is JCOP242R2. And this test item passed. I can go on my test.
- Tue Oct 27, 2015 8:06 am
- Forum: Questions & Answers
- Topic: came across an error when using GPShell
- Replies: 1
- Views: 5149
came across an error when using GPShell
I came across an error when GPShell sent the command. Does anyone know the origin of this problem? The error information is as follows: establish_context establish_context command time: 0 ms card_connect -reader "Feitian R502 Contact Reader 0" card_connect -reader "Feitian R502 Contac...
- Wed Sep 02, 2015 2:12 am
- Forum: Algorithm School
- Topic: How to let my card support ECC_F2M
- Replies: 1
- Views: 5974
How to let my card support ECC_F2M
I have a javacard only supporting ECC_FP . But the project I am working with need the card to support TYPE_EC_F2M .
What can I do to let my card support ECC_F2M ?
Is there any solution?
What can I do to let my card support ECC_F2M ?
Is there any solution?
- Mon Aug 31, 2015 5:56 am
- Forum: Other Tools
- Topic: please recommend some useful white box testing tools
- Replies: 1
- Views: 6413
please recommend some useful white box testing tools
Could anybody recommend any useful white box testing tools for java card applet ?
Especially java code coverage tool.
Any recommendation is grateful.
Especially java code coverage tool.
Any recommendation is grateful.