-----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-mibew-14.1-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-mibew-14.1-jessie-amd64-xen.tar.bz2 00df133063bd795e1f3307d19851498a $ sha1sum turnkey-mibew-14.1-jessie-amd64-xen.tar.bz2 143057027f1888c63054cabf60233caa755a9ffd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNdQ4H/A/q4fUYHnTVHBvrc23eaVgR sIF1OqnyPm51y4oGxlWSbLWWvUkfbYCLryGcPaTr5KHUaRVcFIL+mA31+fosarNN qr6SVnrSL8gPwn02KZT6F1bTavic6q/MFTBW7vl0+gQbnvIV2NWhM78cH0x/lpY8 IZ8VkNS4KbK9OA4NDzqH//K+3jw767GejLWMmxa5QtzNi21YiYmKU4/Bw7rjxjxL Sjwy5OZGsJH04cdlr+9pnMKG0xCXnsd7TGTbkvIddo2HSjdN7fFhX4m/jyB6iI08 e8A7AClzPD+7GLYOOlYYfll/9O1QTT3jrQPp0O8katHHT39cof7c++WLoBYEqNc= =7NJO -----END PGP SIGNATURE-----