-----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-codeigniter-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-codeigniter-14.1-jessie-amd64.ova 6efdd1342f891d7183a97690216e94d4 $ sha1sum turnkey-codeigniter-14.1-jessie-amd64.ova 8eddc174f490db53a8f171d97833d9ff08c8e721 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnxAAoJEIXCXpWhbrlNVVAH/itWxH0MSsqCX1L/BTT/84hn j5rzXPnXWY2MuSC4FTqFuvzogwtBkCzAr+X3tySxIAqVHMU7dz55I9qEL5evqs3g H6SGruGUWkJWifudwAqHyD68I7kVHYpFCfOEEhPhvm6EV+u3sNE1ppdqJp7rC+nX JHJ2zGAAmKfKLDqyt7p4bOfvkz4K6fq9HV72bKv5hPN43zrnJ5l7r3QAeOkC5ayJ p6MW6BIDO4fNxhU+xyd7oN30cTPamusLa6xL3edTwbLh3r2d9zi8KXbgzKO0TD6L CIaONevwdFO7RnXiVlcBmI/E3AH8J1/zF2PrP8r55frBdKFwMabmdUl9PqhDmh0= =zLfz -----END PGP SIGNATURE-----