-----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-elgg-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-elgg-14.1-jessie-amd64.ova a4c3dd227febd540fe2b0db2ab9c1d9b $ sha1sum turnkey-elgg-14.1-jessie-amd64.ova a520c67fac05df4b03ff682bb0e1a0c0adb6453c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnyAAoJEIXCXpWhbrlNBSAIAJF5K8gRJFE+/cjOag0jV39p Os4rLgLiuX5U64eHhDVHnAvWhOOn1hFDDUnjdZS19Ok+gmoeXtBpOZw47I4pcVYo EP+z99aW1uCu/NxeTqoKOAvH3Tayts69T+Rxz+L8gtWwUKZGJF7VyPuE3dCwzm7i 4K8agHlB3WZRxSfrpQrFr/zV3p+f6eoMd3+65Q5TpRQs2XCsa4Ca/MnWkc2kU6Ox g78A/7R8MGSRHTxh0Rv4MNjJ+c+UQEx5xjZ67y90Lp0uAy3voV6DfAcFlHQzNtit AyrxwuZa4172N1ggydull5QZjkyYxL8dLPIEcJKcgKjR1ZZJXyRj1ABOPssgoeo= =xYvl -----END PGP SIGNATURE-----