-----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-twiki-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-twiki-14.0-jessie-amd64-vmdk.zip 8f52d70d2184c58503e828e37a1bfe44 $ sha1sum turnkey-twiki-14.0-jessie-amd64-vmdk.zip e9268599934b2b8164c12d86490f2887d8721443 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlNLqgH/jBjIHBzBNECa6RJhqR3heFn rrU8dLcQ6NEEw8mOYO1HoeuK/xd5L+wg1/WrP4t9o10FdR3hNVajZ3BgO73RGzrv yX43jU1d5guqK8ki/VPgCij4TkufDKTxzbzGWCwocGLDtZFPeefnMoQ744Q3r4gm ilwa/G/gzT9zoQqbu7Jl6g66VQwjJSMWuys4fNC740fsLE13aGqy1iFB8FFdykhT HKF5erAPCjh7tpcohyFqROc01l73TwkbSys46cVcwEXVRBjVrjtxQdEPSsPJaXT/ ML3zOukCRt6Btvfd+JqtvSyatAsLe8D81YeBn4tSZfoazsO5KSBkf0JAn7FPhII= =WbcR -----END PGP SIGNATURE-----