-----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-drupal7-14.0-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-drupal7-14.0-jessie-amd64-vmdk.zip fea067e4aa934753220099712fc54ab4 $ sha1sum turnkey-drupal7-14.0-jessie-amd64-vmdk.zip 9b6185e235425fca9390656349d7598be600355e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNbCsH/0F+E5nt2tbv5y6up0rVj6xx N/PZwUZebKBGwex94q49ybrZHm2GVuL0M31fqgfB+2eQInA/OmDurTY32fe/08kZ svoe/bvd/TzQuLhSH/ID0vag+LJcHgViL1qZHdtQDBpicnhfFbMg4PDjBUgh1XEj mUs5735S19trjOJnqOLJbZW0tm3aleeGuqOsVHpq206tWs0NZ2jMUaL8qSRHdG82 X7IW5q7HGxqrzZgYpnPBQSzI8I0ufE1uGlIUCSrC+mbULQpapfSubMrKwqDpT4zq EJfofoN3Udh084Qy+m9lIzasiegc721QB7E2ySIrmQYOcdC+GUXUaI2geEwiZ5M= =HJ+O -----END PGP SIGNATURE-----