cipher-algo AES256 digest-algo SHA512
Those are bad news: you can sabotage your interoperability with other
RFC4880 or LibrePGP applications that way. Better by far to use the
cipher preference mechanism. An example is found in section 8.7 of the
official FAQ:
https://www.gnupg.org/faq/gnupg-faq.html#new_user_gpg_conf
Suppose I have a file called "schema.sql" that I need to compress and encrypt, or a folder called "daily_backup" which consists of 5 files and 3 subdirectories (each containing various files). How would you recommend I compress and encrypt this data?
$ tar cJf daily_backup.txz /path/to/daily_backup $ gpg --symmetric daily_backup.txz
OpenPGP_signature.asc
Description: OpenPGP digital signature
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