From: Damien Sauveron (sauveronlabri.fr)
Date: Fri Jul 25 2003 - 11:47:09 CDT

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>I couldn't find any
> routine to write data to the smartcard. Can someone
> please give me a pointer as to how I can store, say
> a pin, to the smartcard? If you have sample source
> code, that would be cool. I really appreciate it.
In the reality the reader don't write the data on the smart card! The reader send a command (called an APDU command) to the smart card. The OS of the smart card interprets this command and handle it. If this is a writing command, the OS write, etc.
The command for doing that you want is dependent to the smart card you choose and it's OS.
You can look for Java Card which are smart cards understanding programs in Java Card (a subset of Java). Perhaps you can also just want to use memory card? There are not supported by PC/SC Lite. For them look for CT-API and a reader supporting this API.

> Also, does anyone used ACS smart card readers in Linux
> before? Particularly the AC{T,R{20,30},F} readers?
> Any issues? I am comtemplating to get a smart card
> reader for my development but I do hope to get one
> that works, so I would love to hear feedbacks from
> anyone of you please.
The ACS serial seems supported on linux see [2].
For the problem of support with the ACS see the mailing list [3] and the support of ACS!

I have many differents readers and ofen I use the GemPC410 as soon as the drivers of my other readers have some bugs.

[1] http://java.sun.com/products/javacard/
[2] http://www.linuxnet.com/sourcedrivers.html
[3] http://archives.neohapsis.com/archives/dev/muscle/

Regards,

Damien Sauveron

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