-----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-14.0-jessie-amd64-vmdk.zip.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-14.0-jessie-amd64-vmdk.zip b8c55540c269907d222fe59fb1bcf43e $ sha1sum turnkey-tracks-14.0-jessie-amd64-vmdk.zip e6a94efc23ed3d9f8b08210b6dacfd3f58647db5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlN9lUH/2mGBPfQdOeX791aPGNEjJ8t 8yLvKwDjsa7wsjvcC0KjuNzwVc7qV+g/dLJwvVoxJ7c1DQn1ddfZITfTWCGhFh/9 elTN2GI2sKq7Vnz+9CAqWRs+doapFopWeiz8/eJwJmuI3uZlq6lMpGy82oNWLk9b FzlA4+M3mo2rBIAZ9QBOBlyZi+edxvb3qx0VRzud+HJ/WuuA/Y0Rx24KPglsx/Nb 7p4a6QTDy0rX22LaAylJfQQOD3cl/VksRK+zII8vteLGQGNZMIZXKt20tXyQWira XfA8P/usNs8FgAA0tnYWyoSzJMvXFO9eECYvqNdkvYHpehqXBd1LMigUVp37ZG8= =ltYJ -----END PGP SIGNATURE-----