-----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-foodsoft-14.1-jessie-i386.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-foodsoft-14.1-jessie-i386.iso 68c080518f31790c01d13c78d00ff016 $ sha1sum turnkey-foodsoft-14.1-jessie-i386.iso 80511906511bad180095bf9d0a74a4050f52549d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPxAAoJEIXCXpWhbrlNlscH/2zekNgFtA7KYbRfGUnklfvj t/F0NUTp6IKgGqwIDl9txDKBNncyFmAy+I5nhTHlL6PVNEjZHCDh7Ug2YiUmPWtv MpgdH2OuTiCbfv++BC2lb5ds2/bzcXG8EOolywFpSwK0iqn2zars2uFSts56HIGx hv6Bak1+Oo83URQ02KmxuMjrywv61e+oYd3YNnrOB2pDOxGQrdJ1vDAcHElscPSz N8sAkJ/3r/Vg76vwrNbWan09bWZcwbgoAnxzD+jDMREbeUEmBaeDE60N5zVUhseF WeWBVOM7S94YCJNJUF9km+en3BKgmfz7qKzAc6rpr3KO4AlgmofIet56XI3iLUI= =Gege -----END PGP SIGNATURE-----