-----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-fileserver-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-fileserver-14.1-jessie-amd64.ova 2d8485cbadee92a2f1b8d1158af099ee $ sha1sum turnkey-fileserver-14.1-jessie-amd64.ova fb27e82b56e5f9e57ec14770081ae512310823eb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnyAAoJEIXCXpWhbrlNUrYH/i9I5TzxT0kot7DFhSWiFRSs k5SkO3OznVkkmNRC5nh9HzeWNElzOYEAYmWfOVNygGPDWwLREXyOKNBhrmwVLr9H CutMNKRbsbaMB1vuGzGKdkLMj8PB0QUULDLhfxPRGNYNTQz66LAXI7sY37i6WP5Q KkoAXCA8Jazvibg6GePSYOS/eUehtZtQ3ZPLjb4czpbAUGYH/T8Uck61A0hxqWaB 81RGEtH3Cq1lh0DqYL+igKMRTLdiixRqCoDcpYUm6sAUkPr1V1OX4xg31sPpBIe2 L0VAYHk67Il1E8pNRo4HOxmSGM8ytRFB9jJm2LOXTFfztoe+F3JvZJv4AP4/1Fs= =HYbV -----END PGP SIGNATURE-----