-----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-web2py_14.0-1_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-web2py_14.0-1_amd64.ova b91b904de625b14b3f28abd1165d79a5 $ sha1sum debian-8-turnkey-web2py_14.0-1_amd64.ova bfdb668ec9a985db8b5253c890d063521554def0 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxXAAoJEIXCXpWhbrlNWU8H/3IOz52RB83nBHE+1cGVI3a4 i0dQ5CQKIi7apX0RAqoWbrlj2qobxtxoDa+m4ti/5rw1k8pcU5Kpl0zhJaX16K4C T1Bw3WDCZTsiLlUZ5CaGvNOfX8cHQJdJhyXrbn01goiCAJMgn0ArxXirG+7PIP8H olNqTU53ZpvqfaBLjA86imIXBT1K+BKdzF9Gu6pR6fy6ROQyFOXGe0Vg/7xipOad KDGkuU+is1iL4fKwcr4LxX/ohhSwMAhse9IRzMEpX/dNYgurn8lGwuKwft7v6KFk 04bWBkAoLu0gIuNeR/4zAyoAj0br11wl/NMMFRFHrW+6eTBPugP2v2Q3IQFjX/g= =tIJi -----END PGP SIGNATURE-----