You should also specify a certificate to use for digitally signing your messages. Do you want to use the same certificate to digitally sign your messages?
Yessefk daɣen ad tmuddeḍ aselkin i ara tesqedceḍ deg uzmel umḍin n yeznan-inek. Tebɣiḍ ad teseqdceḍ yiwen n uselkin i uzmel umḍin n yeznan-inek?