-----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-limesurvey-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-limesurvey-14.1-jessie-amd64.ova 6d3f615cef94c8acf6fec96329b21e77 $ sha1sum turnkey-limesurvey-14.1-jessie-amd64.ova b5482861c31f8ef903bd0c27f0cdbeb05ce21f14 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn0AAoJEIXCXpWhbrlNYYgIAMRcz99MFYTgPL0FDOBRsv/W WB5+2WLcEAcqeF26irq4vNbb/lVb/TDj5k/5pD0tQnSHENCkxdcmurFa4jDwlfTf WLtJmsG7A/JbFOMa2RaChHYt5XCMbBhv965OSoyBV2G/B8gaXoZ1pFcKqP7c9tWk BUN2oltWxW9vzk8m6nS2q2zLmTQO10n7wua3RXGTtJIU2DbjYoIMhHIyOHpte711 2Yo6OrXVSaywLXpsSyWFgcgY0d4ndNb/krRk5iTtAJ+j0eZj3gcsbgbAB77eXveR 3LzwVuQsuSXV174KFY6ngIR5EkoDfta1AO2qe/Oj9tOI6VYU9rK1uYx/GNVt1fw= =+me8 -----END PGP SIGNATURE-----