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#1 2013-10-25 15:13:20

joswr1ght
Member
Registered: 2013-10-17
Posts: 3

Decoding Reference for Snoop Output

I am working with Ultralight and DESFire tags using "hf mf snoop" and "hf mf list". Is there a resource that can help me to decode the output from the reader and the tag?

I have stumbled across different posts and source code which is helpful, but I'm having trouble finding anything definitive as a reference. I can buy an ISO spec, but I'm not sure which document is the correct guide to decoding these bytes.

Suggestions?

Thank you,

-Josh

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#2 2014-05-25 03:59:56

joswr1ght
Member
Registered: 2013-10-17
Posts: 3

Re: Decoding Reference for Snoop Output

Following up on my old post, I ended up manually figuring out what different opcodes did, and starting keeping track in a spreadsheet.  I've posted the spreadsheet at the URL below in case it is useful for anyone else:

https://www.dropbox.com/s/f8nqo3p0loe96kv/Mifare%20Opcodes.xlsx

This is not complete by any stretch, but should help other folks evaluating the output of traces.

Cheers,

-Josh

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