-----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-jenkins-14.1-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-jenkins-14.1-jessie-amd64-vmdk.zip 859bd8e2f79e583b66f2a0da9880ea39 $ sha1sum turnkey-jenkins-14.1-jessie-amd64-vmdk.zip 9b5f0754eda5fba425608976dad448fe8e5f29ec -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnzAAoJEIXCXpWhbrlNWzAH/1F9Oe+sXT8ld0W03WFcxWlT nFo3vHvYOQt5Dj1Q/pucoPlkY9REUA0AcLMLw60Uh55+OcTvbjXqHUYykiHnxOqd 6DkyY/LDCpFlr4WSMWHnkaJYUzePKI3GzZKnlHR3agdMrAb75Kj3nmvVPJDD0mzO 9PeJzU3kGZ6etDC99kIKWLqfvkFTghlEFN0CXo4hjWtHiMa/gob4/WlOvPBAzl85 gFnsoL5z4XIMO7vMzRmCNkfD1fKywi30dzGRvgpBAxj7gZ5HhlZ03m/w5GYkGyHr sHWCokCLLTdZqPYMaEjyrSpdLsKHGx1TLDLGowgoDtAaZKnA8J0ovA4BfUr4zfc= =hdvy -----END PGP SIGNATURE-----