-----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-collabtive_14.1-1_amd64.ova.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-collabtive_14.1-1_amd64.ova 420878953bd795faaa9e7b604fe9057c $ sha1sum debian-8-turnkey-collabtive_14.1-1_amd64.ova 6a79789972f6cbebecc38ba7e45b88e3cb805103 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnpAAoJEIXCXpWhbrlNED0H/3FnqY/S2gzCKWbKf172DY2+ 7AkkF/GdTOZMLYALUXYGDIx6/Uuj73iiB4Ls4Jnx19aYgcFNnyaYwuU9z4oQt9/T 10PCQqwbWspIuf/HcW3XNb2RCb5j8vMR5ThgqLK+06y+erBIGbNmwH8+esTHSsvH msy64RibzEg0/LrbrDX49Z/SQE2ccEXY9VLGo0wO87Rpuzvc8CtQ4tFrBwb1KJYU j8SHwz5KEc2nwuAePNQ0bk62Aik4dELH+ZslnZchklK6S4rM4O2dvZ4mjxHrQroz uKmYsW1dGeLWYDwGsGxT3Ec9oboSOx3U5K2qlyJQfxyvrwWsTUzo/Bm22lLqpgc= =saxj -----END PGP SIGNATURE-----