--On May 6, 2006 7:11:00 PM +0200 "Tomasz K. Kaczmarek"
<email@hidden> wrote:
Hi !
I'm developing a digital signing app. I decided to use the Cardman 2020
smart card reader with my app. I've got my Cardman 2020 already running
(I got the proper driver downloaded from manufacturer's site and I set up
pcscd demon, the pcsctest returned successful). My question is about
which API will be the best for my solution ? Should I use the PCSC
framework to communicate with the hardware ? Where I could find some
examples or documentation on PCSC framework ?
It depends on what role you want that card to play in the system.
If you have a vertical application (you implement everything yourself and
don't care what anyone else does), then just using the PCSC layer is fine.
Given what you have, that's probably fastest. It means your card won't work
with the "higher level" APIs.
If you want your card to be a "first class citizen" of Mac OS X, you need a
Tokend driver application for it. That's the plugin (actually an
application of sorts) that mediates between the keychain layer and smart
cards. If you do this, your card will show up in the keychain list, and
Mail/Safari/VPN/etc. will see the keys and certificates on it and be able
to use them as needed. (At that point, your own Apps could still use PCSC
to use the card, but it would make more sense, if you can, to use the
Keychain APIs to properly share the card with the other applications.)
A Tokend is a user-space application (usually written in C++, I'm afraid
:-) that implements an access API for the card, using PCSC calls. So you
won't get out of doing *some* PCSC coding either way.
Cheers
-- perry
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Perry The Cynic email@hidden
To a blind optimist, an optimistic realist must seem like an Accursed Cynic.
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