New to openpcd and some questions

Milosch Meriac meriac at openpcd.de
Wed Jan 23 10:51:03 UTC 2008


Dear Sebastian,

Sebastian Hammerl wrote:
> 1) Is it possible to read/write on cards with mifare-tool without root
> permissions?

http://wiki.openpcd.org/wiki/Udev_rule

> 2) I accedently have overwritten an access block with 0000...00 so i
> don't can do anything more with this 4 blocks. Any chance to reset it to
> factory default or something else?

The Mifare Card ? If yes - then the key is now 00.. have your tired to 
access it with the changed key ?

> 3) Is it possible to read out more then one card, when more than one
> card is on the reader? when o put two cards on it, i only get one of them.

Yes - but with each read you get an different card (I've added some 
randomness to the card selection during Anticollision - it's some kind 
of basic anticollision).

Milosch



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