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Re: Critical bits and notations
On Fri, May 20, 2005 at 09:45:17AM +0100, Ben Laurie wrote:
> Werner Koch wrote:
> >On Thu, 19 May 2005 21:43:34 +0100, Ben Laurie said:
> >>This whole discussion scares me. You have an extension mechanism with
> >>no registry for extensions.
> >We do have a way to register extensions ([184.108.40.206. Notation Data]):
> > The IETF name space is registered with IANA. These names MUST NOT
> > contain the "@" character (0x40) is this is a tag for the user name
> > space.
> > Names in the user name space consist of a UTF-8 string tag followed
> > by "@" followed by a DNS domain name. Note that the tag MUST NOT
> > contain an "@" character. For example, the "sample" tag used by
> > Example Corporation could be "sample@xxxxxxxxxxx".
> > Names in a user space are owned and controlled by the owners of that
> > domain. Obviously, it's of bad form to create a new name in a DNS
> > space that you don't own.
> >Where do you see the problem?
> Doh! The problem lies between my chair and keyboard. Sorry.
> A passing comment, though - if you want domain names to be a safe
> extension mechanism, you should include a date, since they can change
> hands (without consent of the current owner, even).
It's also worth noting that the naming rules are often ignored in
practice. A year or two ago, I pulled a keyring from one of the
keyservers and enumerated the notation names. I'd have to dig up my
notes from then, but I seem to recall that around 85-90% of them were
the string "COMMENT".
(Since then, GnuPG has refused to create notation names without a '@'