usage flags for bitcoin addresses on OpenPGP keys

[Werner Koch]

On Thu, 16 Jan 2014 23:00, dkg at fifthhorseman.net said:

> some defined usage flags aren't settable).  I wonder if gpg should
> expose a "bitcoin address" capability (within --expert mode) and set
> such a subkey up as having no usage flags set, and a notation like:
>
>  extended-usage at gnupg.org=bitcoin

I would be fine with that.  We need to see how implementations act upon
all zero keyflags.

> in human-readable form, gpg could indicate this as "Usage: B"

I think this is to specific.  An "X" or a "T" may indicate that some
extended usage is expected.


Salam-Shalom,

   Werner

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