-----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.iso.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.iso 17a6675fce22fc8a8ad3764a71ec5a91 $ sha1sum turnkey-dokuwiki-14.0-jessie-amd64.iso 9eee528c51f0b351fb3356f5add55c87e1ad714c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BroAAoJEIXCXpWhbrlN614H/RqfcFaxVv9SLmMrPAH/R+qp sshWIMeSm0RW8XNj1uctHuD8ZsX/oM6j1hzorT17zxf1XyVwc3qClYI2tJTXKwyE Bp47MB9PCWchlGD1vptrlWHL11wx2q1QT9Oj4L/is1749MF6XvSUKRkSibgPlFx+ Who9o7cq5BX66bdrs+dV8m3d0VnhYrIMBwOOASgUFvY5aiD0r5KJjlw37/cUmPcu XG+0BSSn1uBBAXB3W8zE7Qb71trcZIaQxIgEN9guMwHnZRBJluQAmVy74tnnT10m wTuZF/1135Zp3saeLK3shZBa84ruiCQQXraI7azF6pvrOIyj9wPdv3sRKe0301Y= =f/wH -----END PGP SIGNATURE-----