-----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-omeka-14.0-jessie-amd64.iso.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-omeka-14.0-jessie-amd64.iso 443ec145dbf39dcf0dc2b9620d29c18f $ sha1sum turnkey-omeka-14.0-jessie-amd64.iso 1f1c3f2e8923fd4d26097cf62631472dbce99004 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrpAAoJEIXCXpWhbrlNi60H/RJ6Hwriqdf4Y2azjVPg4N2p qlkDfZ2HhgHFg/TwFp7YMQK0hkZLgYz6nNdpypaurDFw3T/I7schU6B7psFiJF3S HkaQ+O4HAZh+aFZ2xnmrOEC32D7tkVh8WtD6669/w9tgxaKlSIMyOGj5bY2vsWpi NSCihEIr4KhY8cB1gpFRbdoO/ffquCW/rDvPZImpdrVhu7S63xEsDREtr/tcyJXI bN8/K1YFJo+KR9NeNBmF+hrHZgQOCnAMwYEBUvd5GRaHvDCnLL1oBWmItUk9/DXc TiO0D8uSFa69IHLIs2aN+8Jb9dG1bknsqz3Zt2fEcQbMLfztrJxbm3VPPP/ZIrI= =8P4D -----END PGP SIGNATURE-----