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#1 2015-04-09 09:08:35

iceman
Administrator
Registered: 2013-04-25
Posts: 9,538
Website

Mifare diversification keys, when is it used?

Mifare diversification keys,   when is it used and have someone here ever seen it in a real life application?

I had read some documents about Mifare suggested diversification schemes,   there is the DES, 3DES, AES, CMAC versions of it.
But is it ever used?

REF:
1) https://github.com/AdamLaurie/RFIDIOt/b … arekeys.py
2) http://www.nxp.com/documents/applicatio … N10922.pdf
3) https://github.com/joren485/Mifare-Key- … ication.py
4) AN11028.pdf

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#2 2015-04-09 12:45:28

app_o1
Contributor
Registered: 2013-06-22
Posts: 247

Re: Mifare diversification keys, when is it used?

I think I have seen this before.
Does it only apply for sector 0? and what is after the first 4-7 byte?
I am on my phone, I have not checked the different links you posted.

Last edited by app_o1 (2015-04-09 12:45:49)

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