-----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-e107-14.0-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-e107-14.0-jessie-amd64-vmdk.zip b125af4c6800a77eea66be9ab0d31914 $ sha1sum turnkey-e107-14.0-jessie-amd64-vmdk.zip 56dce6ee95df792d23285cf6c2cc653d4e6a9609 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdWAAoJEIXCXpWhbrlNojMIALOyoCLB711344l498j0YRvj Mazo2XGv6WF4ko+Ba/b8EOdgJ71/P78RErDCOVh25hN96n/EKdDvOEK2Eml+kZ3f reGdJ9x6jib7+xupxWGX8VAGSPyEZWPsODOBeLMgK84zbUyRMtwwbSNNabsh3iHj 1UHqVh1Tq1RkxxkdqSwRvzBXWn9DES6aurmC7yHV9LI+pWIuLOlwvzVm9FRa7O9B esQv3qokbf+AJqM1dph9pbW18n0n6E0ePFzHKcsB6BvwIoTw6bUnqTApCteFR7n7 EfFy0rVv8Wlfk+XyB+WdXMEPluNF9BPOjYb21/E7eCu4Y+57x3pV0IkSr/8W29Q= =rPL5 -----END PGP SIGNATURE-----