-----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 debian-8-turnkey-pligg_14.1-1_amd64.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 debian-8-turnkey-pligg_14.1-1_amd64.tar.gz e4e9708944d00743a1d9f2010f4586c1 $ sha1sum debian-8-turnkey-pligg_14.1-1_amd64.tar.gz e395081c7d43fc7f8c3c9b530b0119e1eb0a1b07 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJntAAoJEIXCXpWhbrlNo+YIAOP0qHC4FHl+gKN0gk9N0WH7 UF/y1PI/ciZz/yj4ZBWtKdqSHJWCYWltvTlntFtzFhEg68k55ls9aOAYacyoVVNR 7Ldhhk9p6EW1QxrUV5fLzYJJceE5Gt3Y6Bh63kh112iZeQXtqxsjFV1ufNTzsLu0 U46V8OXBCYOFwNsdmU1CdNbat+x7VEswvqgYjQAhx8yhKBlgHXehtMHTMxDomgnG 9u2XawUIzz23ZjXClN1edPrW/1HJXpSSiHjH8ioRGLD7pz8yOCf1EY57dTBeNSQa eG/rvtLuH808esCjt4qjH8MyBUHRpZwJ/K/B/jNTAT5+2MY6mTd1fNG2N6Hbu/g= =nM/n -----END PGP SIGNATURE-----