-----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-sugarcrm-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-sugarcrm-14.0-jessie-amd64-openstack.tar.gz e55fffdc9311e8fc238390ab943b5633 $ sha1sum turnkey-sugarcrm-14.0-jessie-amd64-openstack.tar.gz 0818841c6fd070238aa5b927d17260589c14b716 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlNluAH/iQznk58gN4xCh5oR0kz/8j4 aMPke6v7BS2f2P3ud3NqM0emsROLn77PgxLvIvz2054R4mUY0j0rSqV2hIGe4lvw FA8GZfsiWnzD5+An3zhUtzPBHsYIbF8VK9OlP3AcyPJeSwTHoZs3GmrxneApxWpd B4WRHS7jeb7lLMqd2KtKHhC9ZJ2jPqDbbpwNcGORplnJs2clXHX7FE18XYL/bXA4 5yJMEvz+ZA3KSYewZ4YC5Vros+DjvZd0jIwoDSJmZTJeDckThPqcIF4eNhNjSqSG 7v6lMNeV0/srYV24U4c20N+Cl+4EcwtTSh9Ez7f6pWglMTyxPDeE8jnp0Xe2aTs= =tmbw -----END PGP SIGNATURE-----