status of S/MIME and interoperability?

Daiki Ueno ueno at
Wed Feb 3 10:25:56 CET 2016

Ed Finnerty <edfinnerty at> writes:

>> I've actually logged the problem here and even attached a script that
>> easily tests for the issue and can be modified to produce trivial test
>> output for comparison purposes.
>> Nobody seemed to really care. So if you do S/MIME with GPG, and use
>> Thunderbird, every once in a while you'll get an undecryptable message
>> that you have to save to disk and try to deal with in some way with GPG.
> Of course, I forgot to add the link:

Although I am not sure if this is related to the original issue of this
thread, I have the same impression that this is an NSS bug.

In my test, it happens only when the encrypted session key is shorter
than 256 bytes.  However, I don't see any problem in the CMS data which
gpgsm produced.

Daiki Ueno

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