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 2 matches

by vasilis
Thu Oct 12, 2017 5:11 am
Forum: Questions & Answers
Topic: How to make integer variable on JavaCard 2.2.2?
Replies: 4
Views: 11590

Re: How to make integer variable on JavaCard 2.2.2?

Just a heads up that JCMathLib also provides an Integer class. :)
by vasilis
Fri Sep 15, 2017 9:09 am
Forum: Communication
Topic: Are there functions like BigInteger.modPow, modMul in JavaCard?
Replies: 5
Views: 28219

Re: Are there functions like BigInteger.modPow, modMul in JavaCard?

Apologies for digging an old thread out.

Just wanted to mention JCMathLib, which (among others) provides a big number class and modulo operations.

We have our source code and documentation here: https://opencryptojc.org
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