adding recipients after the fact.

[Psy-Kosh]

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Let's say I encrypt a message/file to someone (or a group of them.)

Then later I decide that I want, in addition to the others, person x
to be able to read the message. is it possible for gpg (assuming that
I encrypted to myself as well, so that my compy still has access to
the session key) to add on recipent x, that is, add on the
appropriate header/whatever so that the same session key is encrypted
to recipent x as well? (I want to end up with a single file that is
readable by all the recipients) or would gpg just have to start from
scratch and pick a new session key and reencrypt to everyone,
including recipient x.)

ie, assuming message.asc is encrypted to myself as well as others, is
there a gpg command that would do something like "gpg --add-recipient
x to message.asc" or somesuch?

Psy-Kosh

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