-----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-lamp-14.0-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-lamp-14.0-jessie-amd64.ova 64ecef17ef19da80282181c61ba18991 $ sha1sum turnkey-lamp-14.0-jessie-amd64.ova 5b6e975df1fad36b0bf9fbf9afc81b40a6858a5b -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdWAAoJEIXCXpWhbrlN2tsIAKYyyurip+ac8cMNvRj9hnKa 9TiBB4iwXN/M9isQFSUFXxYJkRrptDnEaFcm7nWvmlttfZfnAw4ZvKl3HJfV2wBV bLoK7Ix+/X7E9eD+wGJ3tTbog9GRceY/d4OwWaURYANqID6solnFIEbLUFU3yMRo FwFDowtuR3nWeTkTyNI2rqfWxcr4L1Km9ZoNFUjOOZn4YS6JXJ1x7THVcRb6gFo4 Hrvd0O+8uzoeMWh+kJXRqPMJH9jemxoW2kobnZcg7Y/TUXgYUIDmjq1Egv0/+5ZE l4JwT+3nSwfjARk/kEnFfK/CuF8Uxkwvd8mCJt2+PUCaNOm2hUIblrlPtyZewv0= =Zc8F -----END PGP SIGNATURE-----