-----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 debian-8-turnkey-simplemachines_14.0-1_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 debian-8-turnkey-simplemachines_14.0-1_amd64.ova aa7ce1291cc4f7f1e20e1956797be386 $ sha1sum debian-8-turnkey-simplemachines_14.0-1_amd64.ova 03f58ccddd53f698c2ac4b37365a93c15091b9ea -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxWAAoJEIXCXpWhbrlNlJMH/iMzwza/Mu6XOnmi7hSOgUHj GEFWeBoeyAI+oUCHGLKN0wjJZZquaLjgmdqH6XAswNur2rZwiXcjZ/YOMPt1EYSR dZpvUBBwRRojKT2JqbOc3PBNMfl0N1adtpq97sBA15EsYK/eXiBPErKiHS4glBwe 0h+ZXA/CNp0CEbYJUdlaRfQLs23+76DzEXgVr7apNdKfeHgNUiFMZ+qa05ES+iuw lZ/4keDl3td72Fa+EJbr+PH16pdgVaScQDXA/nFYnD0ogsO22t880JK8ebYqyEeO KtNiGwp2S8TKlwFmuZpOV3if5diMPsSZ2TkuaDgvCd40vbencB6oxqJNilk30gI= =YVPT -----END PGP SIGNATURE-----