-----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-phreebooks_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-phreebooks_14.0-1_amd64.ova 72fce9496eac8c5e3cbdae2aef4cf943 $ sha1sum debian-8-turnkey-phreebooks_14.0-1_amd64.ova 8f657c6fc3d59d90330bdfb021ad9441bf2e6ff4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNozYIANqSViFJogNr4jRsQbVJpviS DnKUk2BCN6ASK/70DIvpywibN9Bg0msYiYTHvvZZeOgvo/3PEfJjwW2HXCqJmzDh Phav+ea31FhdB9Xfb/ySqvWEBXQWeI5Mo7M4klBh9hSv7e5Sis76zvaskfbuEpHy dEEVJxFdAXDyRrncm/alGj1gOeyqYvZAEmsbm9mTM7exBrlT7QKb2hTVaNF7fx+1 Pa8sIU+KYOs5raGsbHFLCY4c6TTpMPYNlCHZ7gO+i5kSOoBcJbObB7tVJ/9CoVCT /0kANdii8da5u5yZOcx8Gq1VDI00ixdG/SAyJRoVHEsUIO/bM3/3a0iwpz1bu4U= =84HT -----END PGP SIGNATURE-----