From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?Gr=C3=A9goire?= Jadi Subject: Re: org-crypt & multiple recipients Date: Mon, 26 Oct 2015 10:21:52 +0100 Message-ID: <87611u9e8f.fsf@univ-nantes.fr> References: <562D6820.9070203@cmdln.org> <87a8r66mcc.fsf@pinto.chemeng.ucl.ac.uk> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:45157) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zqdyb-0004zG-AX for emacs-orgmode@gnu.org; Mon, 26 Oct 2015 05:22:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZqdyY-00047e-5M for emacs-orgmode@gnu.org; Mon, 26 Oct 2015 05:22:01 -0400 Received: from smtptls2-lmb.cpub.univ-nantes.fr ([193.52.103.111]:50785 helo=smtp-tls.univ-nantes.fr) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZqdyX-00047U-VK for emacs-orgmode@gnu.org; Mon, 26 Oct 2015 05:21:58 -0400 In-reply-to: <87a8r66mcc.fsf@pinto.chemeng.ucl.ac.uk> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Eric S Fraga Cc: Org Mode List , Nick Anderson --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Eric S Fraga writes: > On Sunday, 25 Oct 2015 at 18:39, Nick Anderson wrote: >> I was playing with org-crypt today and it's pretty nifty. >> >> While encrypting things for myself is the primary use case, I have other >> team members that also use org-mode. It occurred to me that it would be >> neat if I could specify a list of users to encrypt a node for. Then we >> could share an org file and a node could be decrypted by individual. > > This is fundamentally difficult with a public key encryption system: you > would have to have separate copies of the encrypted text, one for each > recipient? > > Maybe you could have a separate private/public key pair that is shared > for group work instead? GPG supports multiple-recipient with --recipient See https://stackoverflow.com/questions/597188/encryption-with-multiple-differe= nt-keys/23725786#23725786 And the answer below explains how GPG/PGP does to not have to copy the text for each recipient. https://stackoverflow.com/questions/597188/encryption-with-multiple-differe= nt-keys/28206835#28206835 Best, =2D-=20 Gr=C3=A9goire Jadi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWLfCwAAoJEBNzVHcrZRiUPqkP/iuNJV8miZ7zafIaiiiBcsQ1 HXArjwTE2pYxe+qG94T2mZBcHrO5xTBr0xJBaPwcxqfi6k+CozRO9wO5N11uRXqv 2ykY2LtoVjU75fj/23GeU0DOsRITYxH2ZMVmhA06w5uMef/bWiH0ECiAXfDnaOJ4 SSx63opWkTPM/1/8tBjjbIlgYgDKnnJfGUQ0gjTUd8dCxwDkz92ZlDM8drjSex8E INjfPd+ZP9Te0CM1Lf1ho14dXElDoxw5ltW9D1EgQbF+6BZxwzKy1BssXIiZIUS4 PoXvaTuSBehqHpUzJFNu3jfDCIvCxvCVtCevB+ChUCBISfB827YRjvA9YWbXYV3c ANd0yx1SHMzvcLkMqULbn1ck+/TkguXjH0G6eXOIyEIPdk/S6ihTSIwXtgj71/lM yRjDjNwzAQFhfRPlKblAZJd0MQf2yxuVR+DYn7YAeazrAkECXrPvTu7nE0bZ32Lg k9BR3Ih2lr9hr/KpueKa5mUSVQRqSg6pV6p6Z9vuarEVRjFfC7+jz1sqCbrKUYF6 xbPphxyZo4ASZlHYPTX8Tes7hAlUNQ5o5tWfYsZSdgxmZJAKJDjOgRHH3fnZBMxa 2CalrqFvtkXTOnL+pNKKMtFjy3ijN10i7l59ttSGwy4RFjO7OHDYqkqhGtqypaBT r86ZRRg5wv0UHfYsHG2U =8iAA -----END PGP SIGNATURE----- --=-=-=--