Robert Relyea wrote:
> Martin Hoefling wrote:

>> Just to reduce confusion about my mail: I am Martin Hoefling (using
>> KMail/Kontact), and Wurstsemmel is using Thunderbird. We encountered the
>> problems, while testing communication via S/Mime certificates.
>>
>> As far as we understood, this is a thunderbird issue. Who should file a
>> bugreport? Shall we do it?
>>   
> file the bug at bugzilla.mozilla.org  New->Other Products->NSS
> 
> We don't know if it's PSM or NSS, but at this point I think NSS picks
> the cipher, so start there.

I filed Bug 379625 – Encrypting with RC2-40 when 3DES is preferred
on this issue.  Product: Core, Component: Security:S/MIME
We can change it to NSS if & when we've identified the cause to be NSS.

All interested parties should add themselves to the CC list of that bug.

> Nelson's experiment clearly exonerates KMail.

I'm not entirely sure of that yet.

I found that KMail is encoding its encryption preferences for fixed key
size ciphers (such as 3DES) differently from the way that NSS does it.
I suspect that NSS is having troubles decoding KMail's encoding of
the cipher preferences, for this reason.  See the bug for details.

The question is: is KMail's encoding allowed by the standard?
Or it is wrong?  (Or is NSS's wrong?)

Probably NSS should ALLOW KMail's encoding, whether it is strictly
by the standards or not.

> bob
>> We can test, the patch, if a communication partner with KMail is needed.

Thanks for that offer.  I'm sure we will want you to help test it.

/Nelson


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