-----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-roundup-14.1-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-roundup-14.1-jessie-amd64-xen.tar.bz2 359b9c5322b6505381bb44f21cdff2f2 $ sha1sum turnkey-roundup-14.1-jessie-amd64-xen.tar.bz2 c8b44748df32f22a847c12d9fd89fe4a4f7b42a1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlNfBcH/j9fmhGGqLTyNt2AcMpPLkxd pDzMun52j9SvkqaWtEOdhkWCpQEePYX2PmK1ahbtUjmzfu7SnjZQBaPrzI9INOjn LIyOQnbNYVu2GpU75JuQGuQSorRQXBN1N9LoNP5LJTm0SB5AcFMXZKvh3WFq5BaY /dVpOVVouPH6dlhVtWgRbt0NGUoly9QNgN0bsSBncfyotYmoVpsg9HiH9JgjX4vC 4QV4loMSfdCUOw3zi7ZDG+XJ8SWQUKxyMtantiTdaz3JylovpetNsD0YSrWLLEej gWyv7+vyxB9HRcBEc4JcKkxahTXsOehEfC8AJ0yMUVkVzWGPAg5P6nD1p/PfluM= =Pd+F -----END PGP SIGNATURE-----