-----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-mibew-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-mibew-14.0-jessie-amd64-openstack.tar.gz 00aabbfbc1166340c5f253d9da4ba589 $ sha1sum turnkey-mibew-14.0-jessie-amd64-openstack.tar.gz 8328ef074a11ea991d04928c2c7f3d56a1fbc25d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNlG0H/ikWfSe5FOSCC2gWPaPbG2Ey BdVFRw3QWBkF+bSbKtwW3lkDK5vyWe9qOKzY1ZMp5lMTaaqknS7fHnXzc3w9pkfj +Nn+4VJ3CZUI0UsE+QUsWWp5GB8r32wS2+FaJJl4LIxrLdrHVMLg26PiyOetPEwn htIoVNLr9EUF4Ktv8NJmQJTiruh7nAB7n9B4DoGkg0KJdmCOjh5NZAPSXdMkOb6u 4KAwte6Vvp+mi1Nbfs8IEMndNYeRldsJqMDutCGU4GhJCKiJmn77Ya30UBQKFCv8 qiyFMUaLyIXOBR0yIH67JcJzgfnw5z5l4+sV4BCrkSkExM1x6YCKMdLqi/oBfxA= =7nR9 -----END PGP SIGNATURE-----