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 35 matches

by bigWhite
Sun Nov 29, 2015 11:47 pm
Forum: OpenPGPApplet
Topic: How to compute the digital signature in this Applet?
Replies: 4
Views: 20769

Re: How to compute the digital signature in this Applet?

Ellisun wrote:You can refer to this topic.


Thanks, it very helpful to me
by bigWhite
Sat Nov 21, 2015 6:04 am
Forum: OpenPGPApplet
Topic: How to compute the digital signature in this Applet?
Replies: 4
Views: 20769

How to compute the digital signature in this Applet?

I'm a beginner of javacard, and study this applet. I want to sign a data, but no matte what I send the APDU command, it always returns 0x6985, this is why? And I already send verify command before signature . It throws Exception in here: if (!sig_key.getPrivate().isInitialized()) ISOException.throwI...
by bigWhite
Wed Nov 11, 2015 8:14 am
Forum: Questions & Answers
Topic: JCIDE.exe ERROR
Replies: 1
Views: 5865

JCIDE.exe ERROR

I download JCKit JAVACOS_1.0.5.36 , and I have already installed successfully using default settings on win7. I am trying to open JCIDE, but error occurred, but pyApdutool and the available demos (WalletDemo) just fine. Only JCIDE.exe refuses to open when I execute it. Would you please let me know h...
by bigWhite
Tue Oct 27, 2015 9:51 pm
Forum: Questions & Answers
Topic: What is the installation parameter? How to implement?
Replies: 2
Views: 6220

Re: What is the installation parameter? How to implement?

You can refer to the GlobalPlatform specification about INSTALL command in 9.5. 9.5.2.3.6 INSTALL [for load] and INSTALL [for install] Parameters The load and install parameters fields are TLV structured values including optional System Specific Parameters and Application Specific Parameters. While...
by bigWhite
Tue Aug 25, 2015 8:28 am
Forum: Questions & Answers
Topic: What is the installation parameter? How to implement?
Replies: 2
Views: 6220

What is the installation parameter? How to implement?

What is the installation parameter? How to implement the install() function in Applet? Such as I want to allocate some memory for my applet, how can I implement it? Can somebody give me a sample?
JavaCard OS : Disclaimer