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From: David Bremner <david@tethera.net>
To: gmime-devel-list@gnome.org
Cc: notmuch@notmuchmail.org
Subject: gmime and S/MIME
Date: Thu, 29 Jan 2015 13:42:35 +0100	[thread overview]
Message-ID: <87twz9wyf8.fsf@maritornes.cs.unb.ca> (raw)


With a few others, I've been attempting to get S/MIME supported in
notmuch (which as you might or might not remember is using gmime
underneath). The signature verification part is working OK, but I've
gotten a bit bogged down trying to get decryption working.

What I have learned is that according RFC5751, smime message (parts)
look like

   Media type:  application/pkcs7-mime
   parameters:  any
   file suffix: any

   Media type:  multipart/signed
   parameters:  protocol="application/pkcs7-signature"
   file suffix: any

   Media type:  application/octet-stream
   parameters:  any
   file suffix: p7m, p7s, p7c, p7z

Unless I miss something, out of the box there is only support for
decrypting multipart/encrypted.  In particular the gmime tests for
S/MIME use this "container format" [1].

So I'm wondering if I'm confused about the RFC(s), or about GMIME, or is
one suppose to write analogs of g_mime_multipart_encrypted_decrypt for
other top level parts?

Cheers,

David

[1]: https://github.com/GNOME/gmime/blob/master/tests/test-smime.c

             reply	other threads:[~2015-01-29 12:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-29 12:42 David Bremner [this message]
2015-01-29 14:40 ` [gmime-devel] gmime and S/MIME Jeffrey Stedfast
2015-08-16 17:41   ` David Bremner
2015-08-16 17:41     ` [PATCH 1/8] crypto: refactor context creation to facilitate further work David Bremner
2015-08-16 17:41     ` [PATCH 2/8] crypto: make crypto ctx initialization an array David Bremner
2015-08-16 17:41     ` [PATCH 3/8] cli: let the user know which protocol is unknown or unsupported David Bremner
2015-08-16 17:41     ` [PATCH 4/8] test: initial tests for S/MIME and notmuch-emacs David Bremner
2015-08-16 17:41     ` [PATCH 5/8] test: add broken S/MIME signature verification test for notmuch CLI David Bremner
2015-08-16 17:41     ` [PATCH 6/8] cli: crypto: S/MIME verification support David Bremner
2015-09-26 11:58       ` Jani Nikula
2015-08-16 17:41     ` [PATCH 7/8] debian: Recommend gpgsm for S/MIME support David Bremner
2015-08-16 17:41     ` [PATCH 8/8] debian: add gpgsm as build dependency David Bremner
2015-09-26 17:32       ` Daniel Kahn Gillmor

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