-----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-tkldev-14.0rc2-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-tkldev-14.0rc2-jessie-amd64.iso 4f2e628c12ab3c661cdbcf07cbb01f6c $ sha1sum turnkey-tkldev-14.0rc2-jessie-amd64.iso 18427ab1f6822ecafb812bbf01c3c38c9cec10da -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV1YQFAAoJEIXCXpWhbrlNYH0H/1oaqsDzTwx4kSukD90hZTwS AOrn1cHE73NzvbYs6KvgNZaq5VizcV3OCVfMdnXSCr2WoQCslqRIHIfBw2YVOD/o fTmHcMIks9kTpT5WLF9PEUBzZNmLkzhy+Bep6DCFitL1JhbgqNaqN8hMDREgGHqn 1IpAsGR8H/6A/VW6vN1UAqRyeuPR3R6HJ9GIGlSsJeHQWdF7J7IdtLqWBsjtNQsa ek0UhzDpH6IDKAbFSE5vhC2nUJavvYqMyL46yxAD2mPcJx1Pg6MT1IkiyVCjyvJg DGGbqIWARvuJ7WdVg632CFllazhT8N9TKfOR3CbFpl8mvpgvK/wonG/l0p91wjM= =zoff -----END PGP SIGNATURE-----