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#1 2021-04-07 17:08:01

zeppi
Contributor
Registered: 2021-03-07
Posts: 36

why can't a dump be restored twice to Gen1a?

I was thinking that mifare classic S50 Gen1a are rewritable, i.e. it would be possible to restore a given dump of an original card as often as desired to the same blank card. That seems not to be so. Even if i use csetuid with the w parameter and also cwipe, I cannot restore the same dump again. cwipe seems to install FF FF FF FF keys for A and B in all sectors, still, after a cwipe the dump cannot be restored again.

Certainly I am overlooking something since I am new to the whole topic.

Who would like to help me understanding this phenomenon..

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