-----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-drupal7-14.0-jessie-amd64-openstack.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 turnkey-drupal7-14.0-jessie-amd64-openstack.tar.gz 6e2f415f6107af68fd863f060cec089e $ sha1sum turnkey-drupal7-14.0-jessie-amd64-openstack.tar.gz f95c36219f005510263f0e80aea454e039e5920a -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG9AAoJEIXCXpWhbrlNI0cH/jCDn1iVVyRcrkg0/IKbTeaI eO0+dFQnD4gg6QN2MzXsSgzDscIQLZsOFbMKHhJ0lR9bWc/Gn25FBsGa3KY8u8Aj GxSiidANlz7YxRIRWIjPv+HYREquaxQ+zsJhA5DSkt3q9M31fUDR///Qugs0G5wN t5E0maeryQSFDqdIdYrFgz2sjr98TekdC2oGfM2mv6nYMJexfWa1Sj4bA9JjRr9K rxoqRH9XX4b5xEdOjm7BJPyNPXi6STEy0heeSt8fIIq79Ct8aaDm70wIqBgPkK5z aGdLmgX3lnaapUMKHrbyyOiOFTIgeeS+m8309+ysKUUF56dKHRR+e1qlbp0rzrg= =tqhP -----END PGP SIGNATURE-----