-----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-observium-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-observium-14.1-jessie-amd64-vmdk.zip bbcc83677121c7ccd014504c408056fc $ sha1sum turnkey-observium-14.1-jessie-amd64-vmdk.zip f3692ef1da81bdcc770a917d2f9aff982e2099b8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn2AAoJEIXCXpWhbrlNk1sIAOfciqblctVxnFapgNpR7nL2 wXKBdmHBQvo3zewRLVUJVBE5/Una1kHKwk1mu69lm/ija/s9CHCsmJ6B2+7AXl43 I+IaHBbk1qI3GU6Pfa4OcMB3qGwUerZV0V01Vd+xTzqwM25f7mq9vb1KoyCqRJZ4 yQR8/4+1u+pJ5IO6h9CnapfGUK6uLrG0hGfQYU+T7CN4lzvBNAp6NWEXNUdT2jCa /Bsbj/VyyHBxiEzFyy8nsSXS2Rk8gdUYYk8RK7BznB06UkrmM4DcjqKOUN/HHY2D eugKnEkZfQNWGcOZ+7C4JcKlZ832+B1ySxfOU5hVS4tqCHi7V/NFpx523DSbSg4= =I8Qi -----END PGP SIGNATURE-----