-----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-joomla3-14.1-jessie-amd64-vmdk.zip.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-joomla3-14.1-jessie-amd64-vmdk.zip eca7d7566dc1d94fbfe75f35616a4c56 $ sha1sum turnkey-joomla3-14.1-jessie-amd64-vmdk.zip 5d0100cbf312c5481667a4f054d6c0c6d8b821af -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnzAAoJEIXCXpWhbrlN+D4H/iRhek/wf1nnjUbHSrrp/e7Y seJcB7yZncrChhJ/f072HkchQKv6sSuB7ySTkpYOTCo+GwPmdbrK1xFv1kPIuILl FoeLXLt6IL7uPSC4S76i96aHaxJQyAWJuZ2+pUvXk7nQ0K4w+ZZ29U/4eGsmMTVk h/4VzKUGqvHkFrXu0zilybPaeMDEJxh5gmbk2RmCRTQkZg8k3tn5Jm0IiKnD9q83 fBMwk3bWhWft6+Jy5fTyzFmhkMzY2LU0EWRClbICqIwb/bfNXhrzk8QbfPSjsyvg uG3jz3gJofua8Z7FqaGzdqD5NDXeQQ6jYVKyOjJvV46OGftW0RSQBbYt1our+30= =USQi -----END PGP SIGNATURE-----