-----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-mambo-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-mambo-14.0-jessie-amd64-vmdk.zip 36c8002ec70f6f9a69364ac7c35c2341 $ sha1sum turnkey-mambo-14.0-jessie-amd64-vmdk.zip fb4583ea64fb162a9b19a57b4aeca5fb90eca522 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlNefwIAIA5HKk99LTe3PGcQ7XXcj9P 4qedSMABZKaEJ4EguG9Q0K0qg9EM7VLDxgubxWge58su/NuPnd/etJGs+JzXOSdO tvYkQLITLuzqlUOgnmGY2H6zVVYP9230S7vUsC/1UJq168cTbypDV/z+DYaBGZYc jo94LsF1OMjn56MsDKi2lEQ8SZOCPhMCNm35GGJfgaBvQXn4in0EM/z0pdwIEfED JEslNJvxDXcWVDQ3wS1wI2GQVANYljQq8K3/xn8L//t7Wuksz/XmPzkVwqUuH1bN N213lQLDI16cB3d56Vs7dFKSAJhEkyqUQ+8glN+p9LB1WV8hY4cpxlVakOTmGWE= =q3UB -----END PGP SIGNATURE-----