-----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-cakephp-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-cakephp-14.0-jessie-amd64-openstack.tar.gz 775a27d18e41af92a45c251c83a9cf5f $ sha1sum turnkey-cakephp-14.0-jessie-amd64-openstack.tar.gz a08d4f102aaafed9c9a4440b072d9d63ac9339af -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG8AAoJEIXCXpWhbrlNTnoH/Rz0ZsU7tNoGnoxOZLceGyae b1Ozw7NROiro9GkJKU0XBTStdCruwSoUXjXTjBKExNIu2H6qyVY2FrqscTRJsFSV ILKJu/zdK9BxLOfjAz4n6rOVNNOMlMapoM9hu+AwIvPOWvaBrE4LsXu035pu32jS nWMxiZL8WAHtsPMsIAq95nCfuu6AqggsnamKdhL4PFOkGZbCwqUe0cZg9Ef5olhr PrbjDxywj9Q5pVYukK33zRujxKSM4cyVa48tdhe4VjXkMQdctxlZ82u6Jks3K2Ow HrjzuFZP7sA5+cX4Y7nQX9a91jkcvPhSQSfg7Zu0vgqJ+b3XKXv7z+rjueaTYZc= =ggm1 -----END PGP SIGNATURE-----