-----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-mediawiki-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-mediawiki-14.0-jessie-amd64-openstack.tar.gz e4eea2fe3eff610a0fe43ac568d1f5c8 $ sha1sum turnkey-mediawiki-14.0-jessie-amd64-openstack.tar.gz 2037cd502ccf832d8917b8c687d0fe8a63791740 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNXEkIAKu1VFZSIoyjcohXrsnvhlGH O8o3IVaYF2yiaqy6p6yVc4/sFNtDZtCbJqyqV69dB6M8BS4ae4Ckktib3mPeRLQ1 v7oEZAjRK6VG+B3H4PYrqe0mOiWBYIAc0REiVe2vn2KmXudXRxDMzl5zYAWaIFwv Fqh1cxqgjzyFen2P1Hzn8f+tJph4ts//2lyhQskp+TacPropM3wK/Pzj+RBiMGLB MnSVCuUh1gavgK09by7qPMrGGmXm38jAUfJeL7ilZNgA7yPrjjxkiz9K6LDnbrIe 4Hcs1nkp3iPuCC6KB0KTnUhRsFnkYQUs51ZHFkhi/z189GEqdvUbC5d2k8ahZW4= =ZFDb -----END PGP SIGNATURE-----