-----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 debian-8-turnkey-bugzilla_14.1-1_amd64.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 debian-8-turnkey-bugzilla_14.1-1_amd64.tar.gz f22605b330486f7a2625644ec76da009 $ sha1sum debian-8-turnkey-bugzilla_14.1-1_amd64.tar.gz 2dcd2c1aafffa85c6125497afe28f50015f259c0 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnpAAoJEIXCXpWhbrlNWroH/1La95LtjtLI/gFRV+WM50B6 TmkuXhF2/stZzZptCz+c7hv9ofT6SxwChCkGLsvS5I1Q7SiAMr6PzcnmPPW6bJBL lZDFOHFe/CKmegvPH6gPyRyivfTErEdqKCo5uwf6GoWQGoOjDsmhBjzNPzlY+Nnw LqJI088Z8B/OsD7iYGUCjUo825z+ucstNJ3i+9Y6KHO9BQPdFb6jKYngCKZuT6WC lLS8NvQR/Lya1snbehiCSWqQU83lkoP3LmlQZaljM2AkJhERwoHxz9gF4GCmwLiJ uWima6uydwlzqIPht/MPlDrnsNsW2HlxoTP4mNsqGM1OULv7Q+79IQqEMxerqvc= =Tnhx -----END PGP SIGNATURE-----