Key distribution via NFC

Johan Wevers johanw at
Fri Jul 4 08:05:47 CEST 2014

On 04-07-2014 6:18, Robert J. Hansen wrote:

> But what if giving them your key was as simple as putting down a
> read-only NFC token and telling people, "there, scan that"?

Read-only you say? NFC writers are cheap (they were even sold out here
when someone foud out you could use them to top-up the new public
transportation cards with them). Maybe even my phone could do it.

And with Android 4.4 or Cyanogenmod, you could even try setting it in
NFC host mode and use the phone as NFC tag. Although that might be not
as easy as it should, I tried programming my phone to replace the badge
I have to enter my work but failed (it uses some Mifare classic chip).

ir. J.C.A. Wevers
PGP/GPG public keys at

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