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 33 matches

by marjkbadboy
Wed Feb 08, 2017 1:29 am
Forum: Questions & Answers
Topic: Ensure data sent from an un-fake terminal
Replies: 2
Views: 6261

Re: Ensure data sent from an un-fake terminal

You can implement mutual authentication as GP defined.
by marjkbadboy
Thu Jan 19, 2017 10:40 pm
Forum: Algorithm School
Topic: 3DES Key
Replies: 2
Views: 7607

Re: 3DES Key

Usually, the structure of 24 byte key is ABA, where
A: the first 8 bytes of 16 byte key;
B: the next 8 bytes of 16 byte key.
by marjkbadboy
Sat Jan 07, 2017 5:58 am
Forum: Questions & Answers
Topic: write and read data from NVM
Replies: 3
Views: 7199

Re: write and read data from NVM

Can I make file on card's NVM ? Yes, store the raw bytes in your applet. And if an applet is stored in NVM, which components the installer should insert to DF and when to insert to EF? A Java Card complies with the APDU messaging of ISO7816-4 and command can be implemented to support the part 4 com...
by marjkbadboy
Fri Jan 06, 2017 5:37 am
Forum: Questions & Answers
Topic: java card performance
Replies: 2
Views: 6426

Re: java card performance

It depends on the card processor. But 8k cards are really very slow !
by marjkbadboy
Fri Jan 06, 2017 5:08 am
Forum: Questions & Answers
Topic: write and read data from NVM
Replies: 3
Views: 7199

Re: write and read data from NVM

Can we write data on a java card's NVM without using java card applet? For example, write raw data into card NVM directly. If you write data into NVM, you can only store a very limited amount of data. This is the GlobalPlatform Issuer and Card identifiers. You should not use these for application d...
by marjkbadboy
Fri Dec 30, 2016 4:57 am
Forum: Questions & Answers
Topic: Make Chrome browser access smart card reader
Replies: 8
Views: 17452

Re: Make Chrome browser access smart card reader

Use an alternate USB driver, then have a try.
e.g.
- WinUSB
- libusb-win32
- libusbK

You can check Zadig installer for these.
by marjkbadboy
Fri Dec 02, 2016 3:17 am
Forum: Questions & Answers
Topic: Java Card Delegated Management
Replies: 1
Views: 5022

Re: Java Card Delegated Management

You can perform a GET STATUS against the card manager and check the Application Privileges. If b8 and b6 are set in the privileges then delegated management is supported.
by marjkbadboy
Wed Nov 02, 2016 3:08 am
Forum: Questions & Answers
Topic: LOAD command
Replies: 1
Views: 5051

Re: LOAD command

No, The cap file information is only sent with the first command or with the last command in the sequence of the load commands for secure loading of applet on the java card.
by marjkbadboy
Wed Oct 26, 2016 8:40 am
Forum: Questions & Answers
Topic: installation APDU command
Replies: 6
Views: 14913

Re: installation APDU command

Tag 'C9' : Application Specific Parameters Format: C9 + length(0X23) + data From the source code of this applet, you can analyze the data format: "Length of PIN +PIN" + "Length of Key +Key" +"Length of cardID +cardID" " // The installation parameters contain the PI...
by marjkbadboy
Wed Oct 26, 2016 6:37 am
Forum: Questions & Answers
Topic: installation APDU command
Replies: 6
Views: 14913

Re: installation APDU command

The parameters behind C9 are decided by the applet.

Show your code here if possible.
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