-----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-openstack.tar.gz.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-openstack.tar.gz 2226d5b2efa82f75bbf3accdc1b0eed9 $ sha1sum turnkey-dokuwiki-14.0-jessie-amd64-openstack.tar.gz b92c06cfa2569bedc9b4172ae168735802ad4561 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG9AAoJEIXCXpWhbrlN5ywIALXcsfuGZmaqd/0ykS/lzN71 YtniIjChsCCTVo31g9pB9l/WFWF619JZ9ofeDpDOskd6Q9QgbVstVeRPRAkGumsy YJ3Qsg6CbYvGbRJWweqhYXxlqyYb0pqCXVrfFRlH0zPnH7ws9902n60nDbTTIcAO 4RjcVB7EH+Z3XLG9JcBU17floHu6MULex11GPURgJRBvcazmUMikJcoWf9zYjRND mReWAmvRkJ+7F7yjafNj889OXV+8Zayo1Jo188O67ofvRBzxZ6l29QrJdfpsz6JL YkjUO/3e5xzoXyMypDIRJi1CkPV37vZ4Ibonr7KyQdIprChYbIs9hhQ2aF6qIDI= =yEwW -----END PGP SIGNATURE-----