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 161 matches

by tay00000
Fri May 27, 2022 10:19 pm
Forum: Shopping FAQ
Topic: Custom RFID Blocking Sleeve Credit Card Protector
Replies: 0
Views: 1396

Custom RFID Blocking Sleeve Credit Card Protector

Hi JavaCardOS,

I would like to customize RFID Blocking Sleeve Credit Card Protector for quantity of 200 pieces and will like two do so using 2 different designs. 100 pieces of RFID Blocking Sleeve Credit Card Protector per design.

May I know if this customization is possible ?
by tay00000
Sat Oct 09, 2021 5:53 am
Forum: Algorithm School
Topic: AES-CMAC calculation
Replies: 2
Views: 13942

Re: AES-CMAC calculation

Signature.ALG_AES_MAC_128_NOPAD is NOT AES-CMAC. Signature.ALG_AES_MAC_128_NOPAD is available since JavaCard version 2.2.0. This can be glimpsed from the Oracle JavaCard PP documentation on page 146. What you are looking for is Signature. ALG_AES_CMAC_128 which is available since JavaCard version 3....
by tay00000
Fri Oct 08, 2021 11:21 pm
Forum: Applets Development Guide
Topic: SCP02 Shared Secret Key Provisioning
Replies: 2
Views: 3000

Re: SCP02 Shared Secret Key Provisioning

It depends on the GP toolkit you are going to use to manage the applets and cards. Each toolkit have their own approaches. You can use open source or freeware GP toolkits (i.e. GlobalPlatformPro, GPShell, pyAPDUToolkit) where you have to manually set the keys and decide how you want to derive them. ...
by tay00000
Sat Sep 18, 2021 11:19 pm
Forum: Questions & Answers
Topic: Card always returns invalid INS
Replies: 3
Views: 5312

Re: Card always returns invalid INS

Where do you get the card from ?

What is the brand and model of the card ?

Also, can you post the GP commands you issued with GlobalPlatformPro ?

Can you issue

Code: Select all

java -jar gp.jar -i
to get a printout of the information from GlobalPlatformPro ?
by tay00000
Thu Jul 22, 2021 7:13 pm
Forum: Card Products
Topic: IC Fabricator
Replies: 6
Views: 18246

Re: IC Fabricator

I am aware this is an old thread and here is something interesting. KOMSCO Common Criteria ST document states that they are using Infineon with IC Fabricator marking of 0x8100 (Infineon). It is found in page 13, section 8, Evaluated Configuration. Here's a quotation from the ST document: The TOE is ...
by tay00000
Thu Jun 24, 2021 10:15 pm
Forum: Card Products
Topic: JC10M24R with NFC RFID antenna board 22 mm x 15 mm
Replies: 0
Views: 3404

JC10M24R with NFC RFID antenna board 22 mm x 15 mm

@JavaCardOS,

I would like to enquire if the JC10M24R with NFC RFID antenna product can be made in 22mm x 15 mm dimensions ?
by tay00000
Sat Jan 09, 2021 10:43 pm
Forum: Questions & Answers
Topic: CAP Verifier Error in JCIDE 6.1.0.8
Replies: 2
Views: 5927

Re: CAP Verifier Error in JCIDE 6.1.0.8

Found the answer.

JavaCard does not support following syntax:

Code: Select all

byte[] SYMBOLS = { ... };
for (byte b : SYMBOLS) { // <--- Not supported
You will still have to use the for loop:

Code: Select all

 for(short i = 0; i < (short) SYMBOLS.length; i++) :
by tay00000
Sat Jan 09, 2021 9:55 pm
Forum: Questions & Answers
Topic: CAP Verifier Error in JCIDE 6.1.0.8
Replies: 2
Views: 5927

CAP Verifier Error in JCIDE 6.1.0.8

I am getting a Verification failed during applet build and conversion with JCIDE version 6.1.0.8 and ft222 and ft_3_0_5_for_classic converters are both being used but failed to execute conversion and verification of CAP files proper. "C:/JavaCardKit/SDK/Tools/JDK/bin/java.exe" "-Djc.home=C:/JavaCard...
by tay00000
Fri Jan 08, 2021 11:30 am
Forum: Card Products
Topic: AES Cipher Engine Bufferoverflow in NXP JCOP 4
Replies: 0
Views: 7110

AES Cipher Engine Bufferoverflow in NXP JCOP 4

I have discovered independently a vulnerability in the JCOP 4 smart cards I recently purchased from JavaCardOS store (J3R180) to have a bufferoverflow vulnerability in the AES cipher algorithm. The vulnerability works by using the Cipher.update() function on the AES Cipher object and continuously up...
by tay00000
Fri Jan 08, 2021 11:20 am
Forum: Card Products
Topic: New ECC Crypto Vulnerability in NXP Chips
Replies: 0
Views: 5727

New ECC Crypto Vulnerability in NXP Chips

Please note that new ECC crypto vulnerability has been discovered in NXP A700x chips. The following NXP products are considered insecure: J3A081, J2A081, J3A041, J3D145_M59, J2D145_M59, J3D120_M60, J3D082_M60, J2D120_M60, J2D082_M60, J3D081_M59, J2D081_M59, J3D081_M61, J2D081_M61, J3D081_M59_DF, J3D...
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