Non email addresses in UID

Hans-Christoph Steiner hans at
Fri Jan 24 18:59:05 CET 2014

I think it makes a lot of sense to be able to associate more things with
OpenPGP keys.  I'm particularly interested in seeing OTR keys and XMPP
identities in OpenPGP keys.


On 01/23/2014 05:50 PM, Steve Jones wrote:
> I've been thinking about UIDs in keys, rfc4880 section 5.1 says that by convention a UID is an rfc2822 email address but this is not a requirement[1]. Gnupg does enforce that restriction unless you explicitly disable it. It would seem to make sense to include other strings that can identify a user, many people have various URLs which could be said to relate to their identity, Facebook accounts, blogs etc... It could potentially be useful to be able to associate a key with these other identities, i.e. if you get an email purporting to be from someone you only know on a webforum it would be useful to be able to verify this. I'm curious what other people on this list think of this.
> [1]
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PGP fingerprint: 5E61 C878 0F86 295C E17D  8677 9F0F E587 374B BE81

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