-----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-dokuwiki-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-dokuwiki-14.0-jessie-amd64-xen.tar.bz2 115511048ac6e7f00c846c190182c676 $ sha1sum turnkey-dokuwiki-14.0-jessie-amd64-xen.tar.bz2 c6e4e98e856761dc9cfa1893c0010dab641062c2 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiAAAoJEIXCXpWhbrlN3GYIAKglX4V9PXjXdtrFkkUTsi8C ahK3ps3rqtL+teMBnBtZmTq5GbQLbhZZsIid6Mm6MlaavbAmNIzznBfmZp/x8bgv 1dw9HcrQyjNiRa/ItSdA7XO3ZtADNgPSwxW5c58UyXEG6T3fPtDCN88TsXBZU8gH /hjAHnN9/YfV/bb6bzqJAWpPy9e9elfMOy7MVmhs57J+FRezW29tUSZBu6XPj6ue vZomNC7T9HiOqYRLSuj+uQl1HveMhSmDrn44ds95/6IBq9uju7AEHG2u+13tOt4k M3C7E7uTnwLUMkjBX5IEzCU3uXjxAM5H+ycHiM2b/aQ+8H1VIuC3OMPR711PR8E= =7TEl -----END PGP SIGNATURE-----