-----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-tracks-14.1-jessie-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 turnkey-tracks-14.1-jessie-amd64.ova fd53798ce92a2b7de6b0350db09ab403 $ sha1sum turnkey-tracks-14.1-jessie-amd64.ova be0c8cc9ec10a828dab424b3200d6e562eaf9f6c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNsDUIALRPlhpWX75+iXL/xYwd9fP2 Dlp7iUamWvS825LfPgdveLtCGZR8DCCogX09Y9XcBvLuYJuVkuA1ylnU4ReU7pHc kgruKHQMh7tYDt5bJ10jezpS23hEJjUbgFsjp+sspDyYb3WtjSlm3yjwfVy2Oc5h dMmudk16gdjUrd5BJwQJlNLswYgIy3x/jTA7DULC4E+PKHdR6cyqMdgFnnv3oi90 bvhD4v/pgPbHexRHmX4BJPud1sUKswof38vDiyr5qoTZF8rRcrJT/GXz2VjpcnxF oX0jmp74dsbT8dKc78yOfYD4HfhFFL+OkZVAgvjKGCRIjgs8bE+FOJOLXpI/pjg= =anyr -----END PGP SIGNATURE-----