-----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-gallery-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-gallery-14.1-jessie-amd64-openstack.tar.gz 2b696561818259135ab9ea8b956fc1c5 $ sha1sum turnkey-gallery-14.1-jessie-amd64-openstack.tar.gz b7e4675646c31a18e10fd173a692b62730383f29 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnzAAoJEIXCXpWhbrlNeZ8IAIEDiPd+rXk86AyhWQOWgo81 vPv1zG177kBa3J7BI4/TUtI3H8dkw32Ftdp+fOoYBv05hHkz+niZklMV76M9zG4V Lvqc8WmCr7fG0LV3YCGqy9na0oHmG+5NO90A8CIRIGkTVv9N85llugZo0gHbxuII ufJbJw43oKE3To0LmUFm4rluxcRKJOyCsM/rspIaqok3a64f9tuyj06N2euySXAj WysvqkZRa194elgzhz98rToQEWlFLiD1w6m3mxa5k36ebmOphHQB8YlusxrRJTHj nNBRytRApBvKhsTfJH1+n6RTyEI9nO/8GxAlVb1FRBKnR4dCeFOSVHDkAuI+ISU= =4qOW -----END PGP SIGNATURE-----