-----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_14.0-1_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-collabtive_14.0-1_amd64.ova fbdb758b744cdcfb97864149f02b1de9 $ sha1sum debian-8-turnkey-collabtive_14.0-1_amd64.ova 88b8ba00896ed11bf15f6201f30eac84f533e7ff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNzGMH/1VtD8m/nlrxucwjP5ttvBD0 K/KVsaDNWSz9qxuYKaGRPKAzdJKO4akCK0QWH9fL78vxXrZqF7kT69VLqgbFFw1O RYVvEHGnLI9fPlylGZv4aDF12g223CH4C3X39iI0zjL9OER8PkFDHlcH5eHyapHX IBS+JzZMaqXDr2BYdkcvC6b1S7I7mBpjpUhfpRqfoH3WlFmRf+w6WxUK2MGBTsRk hRTt4RpvMSlnr/64h34oJHdTT5AKFaB/eiEFyuza6Z/4zSVIhi7Z4xC1h0UvF0gN Ksj7TLUSCrby6pqb/4R0hSdaXbtGUElB04pSWbz+7nEi6ccGyvrxqb2YG9BphGs= =AMsC -----END PGP SIGNATURE-----