-----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-mediawiki-14.0-jessie-amd64-xen.tar.bz2.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-mediawiki-14.0-jessie-amd64-xen.tar.bz2 45cac0534abba9cfd16f410e54a84c82 $ sha1sum turnkey-mediawiki-14.0-jessie-amd64-xen.tar.bz2 386c61186d5aa2a19c8d7692d08c9b664640d238 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiBAAoJEIXCXpWhbrlNV40H/RPU/kdW93BqmjcEalSQAA7r 8JOaQYms6erPMXjCiaEe8KdRwWpXd5sffLZ2bwl3b/zV8ryRE/dJygeXtgMSQS5i Tgd7k1xz1+Q7hEwsHz9+kBbmG43p8U01SfaopACp2BPwhjCxYPLJF/lE6pHb+GkQ zT3/PgqB7AB6fBa+IK/OSRO9RXYHzmySbzJQmLp57bjYqKNWBJsTE+szgPM6KrXH V1vVvpqQhA1+wLYRyq1onyesCqKidp6YTGuIjirhV5fE7iezsYnX2VOdo4yE6Fkg ToqUWommZDg8siNeEK9EzgHxOg4XUPrH6NVqEj+YsLgkgZYPWwsWlJgk/XF5qos= =gpdw -----END PGP SIGNATURE-----