-----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-plone-14.1-jessie-amd64.ova.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-plone-14.1-jessie-amd64.ova ff5648efde003d89126f388ade7f65cc $ sha1sum turnkey-plone-14.1-jessie-amd64.ova 5563bb8771d47d6d50876f310dd2da9c41641cf4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn4AAoJEIXCXpWhbrlNeJkIAN86ndM5j1dPkAE3HLmAnVCy haylA+8Dm1JwEbUP47cXWerwmoWE2SMkPQ1whCDTbkQJ9cL9DWHlHnF9scOjdrkM /aD5gAvXr8OS4q+D4NyM7IV7+ONE+/vLztVI+UFo8ui8/AidMH08jkXNck8u9PHs xCG64jotmdOQLUVS9iSF+hWhofMYLigVQ1Oz6C8KKndjkFDD7bTR2Yu/y0cYuKYy MfKv9awLxDmBHrdTcf47s7oHJd4Hh/yqUjBDjw9EFp/a0UAYpu6w6kcPkZQpY/WF s15flFSyrnrzWZcHQOmtWGl4rhrXBlanlMo6FP/kC1fu8yprGkQVC4lXbxGJAoI= =AvyY -----END PGP SIGNATURE-----