[Tickets #12970] Re: Problems with S/MIME messages when sent to or received from a BlackBerry 10 device using BES

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Ticket URL: http://bugs.horde.org/ticket/12970
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  Ticket             | 12970
  Updated By         | software-horde at interfasys.ch
  Summary            | Problems with S/MIME messages when sent to or received
                     | from a BlackBerry 10 device using BES
  Queue              | Horde Framework Packages
  Version            | Git master
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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software-horde at interfasys.ch (2014-03-07 16:00) wrote:

I did a bunch of new tests using the latest version of the libraries.
All accounts are using Horde's activesync v2.12.4
"Sent message" is the one in the Sent box

Sending from Thunderbird
--------------------------------------------------
Sent message can be decrypted by IMP

Received message can be decrypted by IMP

Sent message CANNOT be decrypted by the phone

* NEW* Received message can now be decrypted by the phone

Sending from IMP
----------------------------------------
Sent message can by decrypted by IMP

Received message can be decrypted by IMP

Sent message CANNOT by decrypted by the phone: "The S/MIME message  
can't be opened because it isn't valid"

Received message CANNOT be decrypted by phone. I get the MIME  
Encrypted message attachment which can't be viewed

Sending from Phone
---------------------------------------
Sent message CANNOT by decrypted by IMP: Here is what's shown in IMP:
"smime.p7m (10 KB)
The data in this part has been encrypted via S/MIME.
application/x-pkcs7-mime X-pkcs7-mime (4 KB)
The data in this part has been encrypted via S/MIME.
Could not decrypt S/MIME data."

Received message CANNOT be decrypted by IMP: "Could not decrypt S/MIME data."

Sent message CANNOT by decrypted by the phone: The attachment is named  
smime.p7m and there is no viewer for it on the device.

Received message CANNOT be decrypted by phone: The attachment is named  
smime.p7m and there is no viewer for it on the device.


All messages can be decrypted by Thunderbird, so it seems the messages  
are correctly assembled. Some are just not properly retrieved by  
either IMP or the phone.

The changelog for IMP 6.1.7 mentions " Improved support for broken  
S/MIME messages.". If you feel BlackBerry's implementation is breaking  
RFCs or common practice, let me know and I'll pass along any feedback  
you have.