-----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-sahana-eden-14.1-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-sahana-eden-14.1-jessie-amd64-openstack.tar.gz 7985423c573ead248ac98f5ff682a3c1 $ sha1sum turnkey-sahana-eden-14.1-jessie-amd64-openstack.tar.gz 2813c75267311aaed4c7f499fd5af87bef9855d7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlNW+0IAM5iIaFqoWINs7EW1gvPL1ZB VWz2Yo42yj/Iqg90VAsXI3V1z8quk2AdE03PASkmYZsfly116U1aLXzxfPR+PO7O OhvvWQw8R/N0/uwIDZwp3nxYWRCXcDZYlCtSVHJicIu+DhxgPUadUkfPvD60Fl5N 3kkNhyAjHzt5FN6JhR7wEuu9eWC3uSs171ycGyJmkWde7OsOY1XcmfqTEa9o/cd1 qkcM4s8qpguznBhykjrGpZurucgQVURKLgjh7+EoANiDIjIkY1FDvMIQ3CLSnLUk vvYsvs83VQuHp4soCPqgSyRYv/4KyaIwfMO0M6PAZ7qyZ5zId8Rq84LHulShklY= =7G+5 -----END PGP SIGNATURE-----