I tested encrypt two txt files with filename 1 and 2.txt and insert text: test 1 and test 2. Tararchive has been created successfull. Than i tested this Two txt files with a long name. See attached txt files, i send it already to you. Now by the first test Archive.tar.gpg.yqoirl with 0 Bytes was created.
Second test, the other archive.tar.gpg with 0 Bytes was created and gpgex hang.