BTW, I noticed that my code enables a DOS attack, allowing an attacker to 
reset the card during another process's transaction.  Without my changes, an 
attacker can still reset the card to annoy another process, but only outside 
of a transaction.  The way to fix this is to move the ownership test to a 
point after the transaction lock is checked in SCardTransmit.  That's a more 
logical place for it anyway.

        Shawn.
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