-----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-observium-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-observium-14.1-jessie-amd64.ova 6f67ee235ccb752db6e88a397dc98c75 $ sha1sum turnkey-observium-14.1-jessie-amd64.ova 85b61c019865f382bfb1a51d982691157efae8e9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn2AAoJEIXCXpWhbrlNIfYIAIx7sv2SR+1Jjj5G4uF87p5X haA3c9KpoFFaXVt4UurQT7JESgExtHYVKePqFiZwW0JA38fx7TgdpTFiuNbJYDVC Q0tAfL4G2tT4Q+kiMG6aC+891G2hPdhnx+3XbXM2GXrP2XX1JNZ5L1lkhBtLYJdP RNZXNS78o51X0JPst1pEd4VD4HhzgVDF3fgz+KsCchWncTSdGoMkiHV0VNmW/GhG MqePkmi8WLDy1/liOIVlIBFngVYPcLyPXtHS4skDyMq5YzTeP2nOBYknfXTo41RC iLiq9aVHwaJg6SFkW+piaZD2M5yJ6ZDluyWeYq1j3aKNuxe3onzmQ7at5F2wHo4= =uYMf -----END PGP SIGNATURE-----