Download a release tarball and its corresponding signature. $ gpg --verify ffmpeg-4.3.2.tar.xz.asc ffmpeg-4.3.2.tar.xz gpg: Signature made Sun 21 Feb 2021 06:35:15 AEST gpg: using RSA key FCF986EA15E6E293A5644F10B4322F04D67658D8 gpg: issuer "ffmpeg-devel@ffmpeg.org" gpg...