-----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 debian-8-turnkey-owncloud_14.1-1_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 debian-8-turnkey-owncloud_14.1-1_amd64.ova 589b73740fd8cdf79275f54e1179b096 $ sha1sum debian-8-turnkey-owncloud_14.1-1_amd64.ova 55d7c04929e4a28b13fb618907320e4bab810896 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJntAAoJEIXCXpWhbrlNM1oH/1q5V3H46emeSUnuTQVvS2vI QANBotRdx+Kk5eu+4PxTNo9lrXba4UJfX0f12/4+cMT2HMWNYIpV/i58kEE7IxBZ RRd0VdTD8lq6HeASpUsBkxX8jsKqW3VJi7lQfagjkokSw53/nE0yF87/UKz9z3f3 KY64kmgRxGx6QDxnw6qHAzYcwSIQv13ii6fg+6X/tCp44neH0hE7fGPBOcZseQT/ gdUz0HX+vSgX0lHSKo4RCKm4YXIUrK4FOUfdqOnxgaAeYavZZxGGGs2q4qFSjY07 HOSgvnba05HYqZICtSu4EYNS6RH3TJiGYZ9Rx8cFOeM0ECnkgc7p55BweuUfJY0= =v/BG -----END PGP SIGNATURE-----