-----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-couchdb-14.1-jessie-amd64-xen.tar.bz2.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-couchdb-14.1-jessie-amd64-xen.tar.bz2 8a401442564c09bf258b7ed5407da784 $ sha1sum turnkey-couchdb-14.1-jessie-amd64-xen.tar.bz2 9bb2643aa7317e18a4abe8312a909acab5c38d7a -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnxAAoJEIXCXpWhbrlN0UAH/2NBeEVm+Y8yKcUsFIZ1z+Z5 yZyEz+K5/A2TUqCyTOeXRQcUtTzqJJmVQ6fvXACV9nU7swWL20QS30bgU+OBALsE lM1drBoWsmn0s1rceicr7un7xfsi2t+fJbiQk2CNOnx7FInmLce3/BptBI/fuoX9 tI3R+FulwB2e20GgXdg5w2CwwFKV3Mm8dG7wIBvc1m75ZE3VnsTBvJsqfyXhSpdW F5oy2lNvBZfsN1TM4feZdIoDe+T/a6kYnpwz0JqDMWg5z/9VA5odCoANRjeQgsct Gcm9oE+r04nWA955AMEJ1TAavhsEo23Y+K/jggDpswkt/lHPTEZidAGbrppm+iw= =f44y -----END PGP SIGNATURE-----