-----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-phplist_14.0-1_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-phplist_14.0-1_amd64.tar.gz f2a5751cc3bed567fcc6ed5dd712a035 $ sha1sum debian-8-turnkey-phplist_14.0-1_amd64.tar.gz a71f7644a4bd0e4474a7bc76fd1ac39326af4dc4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNuMwH+wZE0KRkNbCaMIWMwEvWHlGi 5hifdT0uRpaRycrxx/cT/EjgFgIOC91Dv6Ey8n1urTJfCUC9hc49XSyZJRqi/uzW e3xtqFGRWWLUWz1iLA+3hO+bF1sL8ToehQuNRarNR68q5R43vo4XEY0QiXazZUPS sRMnUSzq+68ymxr2woextT/lZym6zq0OP3J3xHPvc2JI7ljepCplg2GR+rMYlUyV XVtJCCZzlprIFb8FNQEUEjgAsSnqJRva4TTD43AmmbjabY4h2BRC17nPAh6OAqNq bi4p0zayYYv1kUBnWsS6JOEFAY6aGzUE01cF0+twpiGalmp2hVT2/4gSz1BD58E= =P04r -----END PGP SIGNATURE-----