-----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-vanilla-14.0-jessie-amd64-xen.tar.bz2.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-vanilla-14.0-jessie-amd64-xen.tar.bz2 0da96e2de4118ed9a56db2a6bc3dfc3d $ sha1sum turnkey-vanilla-14.0-jessie-amd64-xen.tar.bz2 f49bada2e6361e25aa4f6a226c6f937f74874e75 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiDAAoJEIXCXpWhbrlN07oIAOIsTHcYSuT1Lx8dGE4u3QF/ BJG41lRge4WeumsgO/mCkIdz/AjexfEB/aSQLl/SuNXnO/7JQOB0v4rLIEGPzsW4 WDPjf+F9b30TUxsV55BSuCgxKl677q094yJJsKM8VWUOdcmCp0toeo2N4djGbkcl AUTYx9kA+KJZ14nUyWf4OWFoC82QoMrrjf7ej1/uW6rJ008T8Q5jz1nT9iCfqiov 5zaTTiP2MDi/oAbvrJcb/tz0scpklklV3TOnNyVP4yV0U6tP1L00K/TD97GPu3Rf MlAmPG2s/kZ+mWLNJ6nv9M6v5K7uUuvwcs0rYdk+ZBZwt5Qu12SMZLcDnJC/wPQ= =fpT4 -----END PGP SIGNATURE-----