-----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-symfony-14.0-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-symfony-14.0-jessie-amd64.ova 97ca87d0eead5c9bf48e350dce102382 $ sha1sum turnkey-symfony-14.0-jessie-amd64.ova 7353066800ac0103fae87843b3988fccda23b7f8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlNjYAIAN9ihTTL+3iZyQAEG3KjpHbE HDSRfyOnIJonGx19uFHzB5vRmIChtxuLq4iMtCO3nkWiFpMM9+u87e0cASi+9c9w fXA6NBP6DpSlf9VWOEEJj2jZTvE+DnX114612UjglzeABIq+U2/Nn0k9euozGm1p HPC1AIEv8okNhZJ4ydz9ZOo6Jsfuearz6vYhUCIbZBcHwzGK+OjKI5htGids0FTQ 8szxZcUZ6ceMVJ39KOTmEDU4RTmSf3n5EsZI0g0+vjqduhQMY5l63BBLYxYSMyXy GOfP1bm5ylJQlcnj3UohWt2ZnNtQH1fuxQYMKsJ4sS8doY0DiQqCvh3jFTNW0YY= =SQeD -----END PGP SIGNATURE-----