-----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-lapp-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-lapp-14.0-jessie-amd64-openstack.tar.gz ee5aa84eb38ce38d8e71093979487403 $ sha1sum turnkey-lapp-14.0-jessie-amd64-openstack.tar.gz c9ee0f3728fbc36e52771dc2baf045de9a7dac82 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG9AAoJEIXCXpWhbrlNcbkH/0jHmRbGedBUi5ZNjT3zaXc4 6OWQ5vTCI++6euBmmsym+4sca/NUNpioYHhfRbZTyTIXwzmmqhb2VUs7PO7qCSuE Iv6IgGg5Kkhgib0fQqC9eflMZ1+2aJhdTV2t6ml0YlbD5r/zuNXf5sz6UpLi2tdu jaMpbvGfqnNhMjb3o7ziF8agwONzxqoejMoNIvUWXtKLVPTRa7jgXDETsb9XByUj 7oD+LNO/UC/Wy3jfCx7xdioHSy1HED3o60udSDWOT2vh3h5zBYxDKdjg1s6CXXrD Y1n2hDHM8QmeXyhxSSAdZVprt73n/u681ncMqcxI/eL27B3ykB5YSJ3mhE7xVTk= =I8z1 -----END PGP SIGNATURE-----