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Search found 16 matches

by Vlidda
Wed Dec 05, 2018 6:01 am
Forum: Algorithm School
Topic: The difference between SHA, AES and RSA algorithm?
Replies: 3
Views: 674

The difference between SHA, AES and RSA algorithm?

Can anybody popularize the basic knowledge of algorithm?
Such as what is the difference between SHA, AES and RSA algorithm?
by Vlidda
Mon Oct 30, 2017 3:48 am
Forum: Shopping FAQ
Topic: Cancel order
Replies: 2
Views: 706

Re: Cancel order

Thanks for your quick response.

I have already contacted javacardos@gmail.com to cancel one order.
by Vlidda
Thu Oct 26, 2017 10:55 pm
Forum: Shopping FAQ
Topic: Cancel order
Replies: 2
Views: 706

Cancel order

Dear JAVACARDOS team,

I accidentally placed two orders, which is the same(JC30M48CR card: 200pcs to France). Now I want to cancel one of them.
Would you help me cancel one? Thanks in advance.
by Vlidda
Fri Aug 11, 2017 6:16 am
Forum: Algorithm School
Topic: Problem about AES algorithm
Replies: 2
Views: 806

Re: Problem about AES algorithm

Thanks for your kind reply. I will add this code and then have a try.
by Vlidda
Thu Aug 10, 2017 11:24 pm
Forum: Algorithm School
Topic: Problem about AES algorithm
Replies: 2
Views: 806

Problem about AES algorithm

Hi Friends here, I have encountered a problem when testing my applet, which implemented AES alg. When running to the following line, it always breaks. aeskey = (AESKey) KeyBuilder.buildKey(KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_128, false); My code: package com.cpit.javacard; import javacard.fra...
by Vlidda
Tue Jul 11, 2017 10:37 pm
Forum: Questions & Answers
Topic: How to integrate web application with applet
Replies: 1
Views: 273

Re: How to integrate web application with applet

Nobody know how to do this? Any help is much grateful.
by Vlidda
Tue Jul 11, 2017 2:00 am
Forum: Questions & Answers
Topic: How to integrate web application with applet
Replies: 1
Views: 273

How to integrate web application with applet

I am using JCIDE to develop my applet. And I want to integrate this applet with the web application which is present in the CAD. I mean, the commands from this webpage should go to the applet in the APDU format. Does somebody know how to implement this? Or give me some example for my reference. Than...
by Vlidda
Sat May 27, 2017 6:02 am
Forum: Questions & Answers
Topic: How to get mulitiple certificates from the applet
Replies: 4
Views: 666

Re: How to get mulitiple certificates from the applet

Thanks for your suggestion. I will have a try.
by Vlidda
Fri May 26, 2017 11:23 pm
Forum: Questions & Answers
Topic: How to get mulitiple certificates from the applet
Replies: 4
Views: 666

How to get mulitiple certificates from the applet

Hey guys , I need to store certificate on the card. And I know that I can use the instruction of GET_DATA to get the user certificate. public void process(APDU apdu) { byte[] buf = apdu.getBuffer(); ... case INS_GET_DATA: ... case INS_GET_RESPONSE: sendCertificate( apdu ); break; } Now I want to sto...
by Vlidda
Wed Apr 26, 2017 11:15 pm
Forum: Algorithm School
Topic: Difference between KeyBuilder and KeyPair
Replies: 3
Views: 1149

Re: Difference between KeyBuilder and KeyPair

I used new state to generate RSA keypair object, does it mean that the key objects will be stored in persistent memory? KeyPair RSA_KEYP= new KeyPair(KeyPair.ALG_RSA_CRT, (short)1024); RSA_KEYP.genKeyPair(); rsa_PublicKey = (RSAPublicKey)RSA_KEYP.getPublic(); rsa_PrivateKey=(RSAPrivateCrtKey)RSA_KEY...
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