Re:The Criminal N.S.A.
by sp332 on Friday June 28, 2013 @09:00AM
(#5957692)
Wouldn't you have to encrypt the text repeatedly, once for each recipient?
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| on HN ]
gpg handles this natively.
http://www.gnupg.org/gph/en/manual.html#AEN111
"multiparty encryption" is what you're looking for.