-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-mediaserver-14.1-jessie-amd64.ova.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-mediaserver-14.1-jessie-amd64.ova c560c28fadf743b1ff1aa1d143f48759 $ sha1sum turnkey-mediaserver-14.1-jessie-amd64.ova 249f574d61f5c28617915d640a9d72446ed298a8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNQnYIANgjYOcY0kzRoTIYx1M2DGbm Zh/kJHiEP4NXI8A7sDsGkaWTJiy3YHnOyBqydMz3XMMaI2DkSzmDtrse46etmMdN g0Lj+y1pb0iugVp4REMZ3Dh1XWEwCrsxJn/CbumFAAPgwnWC/jw/6qrD9DTbekJZ Vk8UMAyZ1U1/W+OJpCik1irxBX4+IO6K+m28xTtY+vDiKARGFi5aT0V9gSOxQ5qh LOadxNOB1sw29FZ061sUVzGiyXffwBPXAWXhKr9zM7nUmOI3zTnr6OHE//lmRtgB FZmFqve54cHsijV0JemSp4k2ORAc/3FpxDyLYSKJ8M0q937KDsk7MPVlD6Z620g= =ZOox -----END PGP SIGNATURE-----