-----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-tomatocart-14.0-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-tomatocart-14.0-jessie-amd64-xen.tar.bz2 6e7e1924d5ea624ed273638d2ea982e9 $ sha1sum turnkey-tomatocart-14.0-jessie-amd64-xen.tar.bz2 fd62d28ad308e9169e1d067409332e93e41a7480 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiCAAoJEIXCXpWhbrlNZisIAKS82Sg+MAHnDC978WVhmSYK tnhajEv364F/ynskYPN/KnRuE0O5K8XUm07Pn14bo4yJ/Avb9MwvN2cjDv9jO9ce 0QnrvzfIWINYx16sL9g73sDuXFw2PV9TF2rCU1tsvCUg9mmhO25UiwDhiVxBKPyQ XNvRt9Ctv55+5cebiQb9jWOEqdP/rkOzn5mTmaxftXz6CEEsVkT4UiK0L9BkCAgH dJpx81l1/7+fun7oeKxi7QSEreQj54cXMzJFAxf006NeCdv3sRfSBn6Ey7VJY6dC iPN4VMbN/YWEi42UNyYKH/ChirgywPW28Sk+yekLqTh7mujJlAsSKlYgI0Zkqn0= =FN20 -----END PGP SIGNATURE-----