WG, I am, too, currently implementing an -sign message parser (but not yet signing). I am parsing the timestamp.
In ABNF, we say: full-time = partial-time time-offset That means I must have a time-offset in any case. What should I do (when generating messages) if I simply do not (reliably) know the TZ the device is in? This could happen, e.g. if the device TZ is not configured. Wouldn't it be better to NOT include any timestamp information so that the receiver knows of the fact I do not know the TZ. This would change the above to full-time = partial-time [time-offset] I know this is not a very common case, but it may happen. Any thoghts? Rainer