-----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-etherpad-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-etherpad-14.0-jessie-amd64-vmdk.zip eb8e75c75e61d2e879acee58f64390b0 $ sha1sum turnkey-etherpad-14.0-jessie-amd64-vmdk.zip 5f4ff5f8f2ad56c20a560fccca47c45c7e6fdec7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdWAAoJEIXCXpWhbrlNBsoIAOrz1uTG4bLewkiiXEkenUPS UdBrPKuNNjHzqDLN1fklWJTguNYlzF3cHSvCvQmUZwlXwf1VyOdR4Bn23g4dfGAo 9xxqOxuBJQ7Xweb+4grbjBUj/4cC2w+jR888GMBRYMwviOeyrA08ogNKXfidUlsT 513YA24bgQ/JDklHDXyu2ezt+M90Bn57hCr+EpQSHKsfjkzk2XcW7KpVOk+c7sq5 9R/L9fp4lp2voocztCQIiU84P0vqI3U0RcaAjPtuQAkxXy+lVmggpj/lz2++/VVE XTHEmueW2RVzsZblzV83rGgbQIGJXoF6zgGDBeqI+nnRO5Utd1T/dRNlW0eUuOE= =eeIb -----END PGP SIGNATURE-----