[guardian-dev] Using NFC for two-factor locking

devrandom c1.android at niftybox.net
Thu Dec 15 13:15:02 EST 2011


Hi all,

I was thinking, instead of just using a password to secure crypto keys /
SQLCipher DBs, we could also use an NFC tag as a second password
component.  I don't know enough about NFC and questions remain:

* how to create a tag cheaply and securely
* how to protect the tag from being read by someone in physical proximity

It seems like this would at least solve the case where someone snatches
the phone.

--
Miron



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