Sie müssen das "-a" (ASCII armor) Argument zu GPG hinzuzufügen:
gpg -a --output test.txt.gpg --encrypt --recipient [email protected] test.txt
Diese GPG Ausgabe zu formatieren sagen, es ist in 64 Basis-Codierung.
Probe:
-----BEGIN PGP MESSAGE-----
Version: GnuPG v1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=etE5
-----END PGP MESSAGE-----
was -a tun? –