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djordjem

Hello everyone I have java Card Applet, where I am creating KeyAgreement object in Applets constructor. Problem is that JCIDE return an error (69 85 Condition of use not satisfied) when JCIDE try to install applet when debug is start. KeyAgreement object is with parameter KeyAgreement.ALG_EC_SVDP_DH...

djordjem

You should know something important about javacard: 1. javacard is the mini subset of standard Java, so most of features, packages and classes are not supported in javacard. For example , class BigInterger, it is only available on standard Java (JDK) , if you use it on javacad, you can't build it s...

djordjem

What format do you used? decimal or hexadecimal? The big number is modular multiplication algorithm, the decimal and hexadecimal are not the same, but the hexadecimal is easier. I'm using hexadecimal format. It's like private APIs defined by the company. Is big-end or little-end ? It's big-end. x =...

djordjem

Hello everyone Does anyone know how I can multiply two big numbers on javacard? I have two byte arrays size of 128 bytes. I was trying to implement code in link below but it doesn't work for me. https://stackoverflow.com/questions/36966764/using-rsa-for-modulo-multiplication-leads-to-error-on-java-c...

djordjem

I think you are looking for this

https://sourceforge.net/projects/jmrtd/ ... e/download

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JCIDE error

Re: Multiply big numbers

Re: Multiply big numbers

Multiply big numbers

Re: JMRTD: Machine Readable Travel Documents

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