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by aerostable_slug
1424 days ago
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This is fundamentally incorrect. Sniffing the NFC traffic gives the attacker nothing useful, just as skimming an EMV contact transaction gives the attacker nothing useful. >The contactless EMV chip transaction path leverages the cryptographic functions normally associated with a contact EMV chip transaction and uses the same authorization and settlement fields as a contact chip transaction. [0] [1] [0]: https://www.emv-connection.com/downloads/2015/12/EMV-and-NFC... [1]: See EMV specifications, “Book 2 – Security and Key Management,” Version 4.3, November, 2011, http://www.emvco.com/specifications.aspx?id=223. |
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Just ask for it yourself. That's what I meant with encryption not meaning jack if you are one of the participants.