Printing PGP Businesscard

Daniel Kahn Gillmor dkg at
Thu Dec 26 20:24:36 CET 2013

On 12/24/2013 01:02 PM, Johan Wevers wrote:
> You think someone will type it over? KeyID plus a URL would be more
> usefull IMO (perhaps a QR code with the URL?)

Please use a QR code that contains the full fingerprint (no spaces)
prefixed with OPENPGP4FPR: -- this is the mechanism used by the
monkeysign project and other mechanisms:

Most humans don't really cope well with long strings of hexadecimal or
any other high-entropy arbitrary data.

Using machine-readable QR codes makes it easy for humans to feed the
data directly into their trusted machines.


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