-----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-ezpublish-14.0-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-ezpublish-14.0-jessie-amd64.iso 54ff2a440639b4802b34cd0126bf2005 $ sha1sum turnkey-ezpublish-14.0-jessie-amd64.iso 708e7bad325339c173a475929c68459f71f2d794 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BroAAoJEIXCXpWhbrlNd6AH/RRlfO7NMVbiVp+It3nr6tdR Brl5QAuRAAVxV40NIKBdfUmU71P+rI3pYJ1gweysgH4txVohqv+COVqj5pXWb9Nm Icu7gs+MMdIRb0UCqmzC7Qqglk/uj9F51tziHfO1Nob0DO/nGOrId6GyjqNo4cRd m17cU8THn4axCTQ846GPM20UI90NIAYHGjCC11iW4pogqyLhhDbkC1EI+gmhKBCK mt+nZQpFYmyDidx1gj4EbBNfJb1MDgOJfMuQWlaeCwY+vpyVOkmrw5IBhpwvWbY6 GOQUXTZybfQ1ac60lhm94/fmbDdfPzlDesZnlig3UGBxrEpEooXTqhfaiNag2Ok= =rLWa -----END PGP SIGNATURE-----