NSS 3.16 incompatibility

[Ed Finnerty]

> Running this script:
> 
> [...]
> 
> Will eventually produce this output:
> 
> NSS has been initialized.
> Got default certdb
> cmsutil: failed to decode message.
> cmsutil: problem decoding: SEC_ERROR_BAD_DATABASE: security library: bad
> database.

I've also reported the problem to the NSS team:

https://bugzilla.mozilla.org/show_bug.cgi?id=990958

I don't know if this is a problem with NSS not being able to handle a
special case of CMS encoding, or if GnuPG's gpgsm produces non-compliant
output.