-----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-oscommerce-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-oscommerce-14.0-jessie-amd64.ova 4356225efcf2cae84a2aa7539cd26907 $ sha1sum turnkey-oscommerce-14.0-jessie-amd64.ova f4c8c59570c11aa51d2f32413c425aa563f1c347 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlNbGQIALvAnVFK1Pc7E9x6Azl2/KLI ncVAJyaRmfC0QlFKkXSDrXNbN2rwk0CU1q698FiHuGF43nE64pfNe4sNL9PfBOnG 31SZNivqfLK0pkbx14rWY5J94eZAVhACEoiEuNp5SkhNFBfsLIaOYveypfgnbFZI 0xg7gmcvbw2G7+jMq2j4vN1rbTpUPgKzqLDmUKu0b61QbE1L+KXdBbFg2tWnEgiP GPqrEaONms6c9tMiss9YZEd5gcZjTsPm8W3/FKUeLGuONJYIMHknArLp9M0yj3tr RcOMSLYC+R8y9XOfvXBGNgmZhXs6W1pv78uz0I5OFS20FDxn6AqH8iyU4445zg0= =ppVq -----END PGP SIGNATURE-----