-----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-tracks-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-tracks-14.0-jessie-amd64-openstack.tar.gz 7811412b7f12854504a3a106c3bb8076 $ sha1sum turnkey-tracks-14.0-jessie-amd64-openstack.tar.gz 027cb93ba6ac6d07eeaad5e056b97364bbf1d268 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlN8UEIAI/HMyI9oPFuoqcIx07f6ADh 3SXjPGIH7C9I4UeSpwPG5D7GpdqEl6KUWceoGITpe+2wiDmYWw6nNKAcqIaS30Dl 5R4RYEZx4vsfou1ByOwlxd9Iu8NcNddrPQXFJ+tqb9hNeGCPKiSuOaibgHCgmvgD 4a1PxHmSvhjG9PVExdYrBFd6A+lGg7jEEL3oT0v4BLZonDJ6py9BuJDOG+unYHL5 3t7adW8uCAjCfualyeWoykzP9olNAfaVnp76QsDVI3+TXZ8I8W8vmwvl8kdL4GF4 wmCVLYpCsrYCx0sR2h/XPN/YMeBH9BiNxcaE2gH1QOJIZG9lr3f22eg5c4qC1/U= =weOA -----END PGP SIGNATURE-----