-----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-moodle_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-moodle_14.0-1_amd64.ova 2d09023478a061e51aff462439c65040 $ sha1sum debian-8-turnkey-moodle_14.0-1_amd64.ova 8613cce4de3c458921f5cc4c264576753523e647 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxUAAoJEIXCXpWhbrlN8JYH+wZy0Tpq805/lvif/KLciWlr G/7XDZZ2knhojdreAlPgBKuW2VXDW6xJvqaaujRNWaSF6ZGiZUMToP18DDk+h6aK K4zx11D9K8jUry7OcGYfPdBMLrJcOZBgSOHRDToMGeQbCyQfHXFl8KHeMv4lKtiR YeUI4psgevry2bVRmIvL7PSqdAl1yYwEJrjnzsQkc8pl158HZTtW4LWPSKMkgwTC xFJsZr+maTTsKSN/JnbXL5/vdQeOlZ3tSjlBgCerY6j3XpoJR3QIqYySb78i2orS yHwoFhzol2J3qLxn/KBbkyjxqvwaT+VxCpqBqb7e8V2et6alb2SexYOC4Q+SZXM= =m+2N -----END PGP SIGNATURE-----