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#1 2009-09-29 08:37:40

reuse
Member
Registered: 2009-03-04
Posts: 11

is it possible to get the key olny have a valid reader?

because the card have individual   keys base on the card ID I think,
so is it possible get the key from the reader?
maybe it is so simple, but i have not seen anybody talk about it.
if it is possible , how many trys it should be?

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#2 2009-09-29 11:13:21

rule
Member
Registered: 2008-05-21
Posts: 417

Re: is it possible to get the key olny have a valid reader?

Check out Attack Two in this paper

It is possible to use only a partial authentication from the reader. Use a proxmark to emulate an UID and capture the encrypted nR and nT'.

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