Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

Search found 6 matches: re:

Searched query: re

by nikonai
Tue Oct 03, 2017 6:36 pm
Forum: Questions & Answers
Topic: Encounter error 6F 00 when importing RSA Private Key
Replies: 2
Views: 6759

Re: Encounter error 6F 00 when importing RSA Private Key

It seems that I found the problem. It is the conversion of the BigInteger value into a hex byte. I will try to fix this now.
by nikonai
Fri Sep 08, 2017 5:53 am
Forum: Questions & Answers
Topic: Export encrypted private key
Replies: 2
Views: 6949

Re: Export encrypted private key

I changed my encrypt method to this: private void encrypt(APDU apdu, byte[] dataToEncrypt, short len) { try { short outbytes; byte[] apduBuffer = apdu.getBuffer(); outbytes = cipher.doFinal(dataToEncrypt,(short)0, len, apduBuffer, (short)0); apdu.setOutgoing(); apdu.setOutgoingLength(outbytes); apdu...
by nikonai
Fri Jul 28, 2017 3:25 am
Forum: Questions & Answers
Topic: RSA Decryption Problem
Replies: 2
Views: 6838

Re: RSA Decryption Problem

Thank you for your kind answer, chico0609.

I have found the problem. It is surely caused by the PKCS1 padding.
by nikonai
Fri Jun 16, 2017 5:54 am
Forum: Questions & Answers
Topic: Implement a simple JavaCard API
Replies: 3
Views: 7952

Re: Implement a simple JavaCard API

Thank you for your help. Now I am confused about a basic question.
Does the java card API stored in a card in cap file form?
by nikonai
Fri Dec 02, 2016 5:51 am
Forum: Questions & Answers
Topic: JCIDE supports HMacKey ???
Replies: 3
Views: 8441

Re: JCIDE supports HMacKey ???

Great!! It works now. Thanks
by nikonai
Tue Nov 08, 2016 5:21 am
Forum: Algorithm School
Topic: ECDSA Issue
Replies: 4
Views: 9371

Re: ECDSA Issue

I tried, 6F00 was still there. :cry:
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