-----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-canvas-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-canvas-14.0-jessie-amd64-vmdk.zip 963e0bddb9cc2372cbc8d853b4437afc $ sha1sum turnkey-canvas-14.0-jessie-amd64-vmdk.zip 920c8c5bed6bcff3a5e70606d430eb4a2b3ca9a9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNxi4H/Ah+6WBlSFN7xPDoJtV1PDl3 35+EZOhlC+FUPg/FtksPnfD1e1xD0DaL+cNFUbPF8NtAii+x/nCMjaaPZej4lc2M rrU5ZnUgFB5WG4KdHbxnDZoXTmjhBXHFrQOxbE8mrn0hOCq4Xvr+TAjefbggNJVi RfeTuOPKTwtcNynxbtVWLhMCtBhJzUXCH6gtyYlcwKxGv8mAjx+855NVVbLtEVbr WWZD/iRZecJ+qOF3CvvIs8+lRVQPfS9AeMGAvGSRUd7c+IDm3jvQ8qIXrg4BmKy2 FWMYABnpFAae/Vei3JQntxZskfD+oqPUivkEm4RvhfLh5tXFNQAFC6nfhjYPrWo= =svE8 -----END PGP SIGNATURE-----