-----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.ova.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.ova 16eb742a0ddc97e54b2414d70a92b076 $ sha1sum turnkey-couchdb-14.1-jessie-amd64.ova fdc0951a8dbe40951ce8cfc549fee79a097c0132 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnxAAoJEIXCXpWhbrlN3zoH/1mhLUQZkHirfSEwd8mc1/QE PwtPM4/jjGwiMrKDuTJzvxwMwuYlb6S+oUiIN+upZYXjoyIFq0ioJ7UfUfZ2IMw0 MtiCcZK2rW/7LvgEOeJMCIHA5fqj4ISdZ1kCxdZ28xOY+1Sh0fKb1fSCjunWM77L Jt2+jxKCVJUl8yOro315jHRk8MMi/IhtyRBsfNzhUnYpDf69qdzM9EDpl+Naws86 d0Ii7Ta7quuSWlhCc1pQTBYU9PYgfnwzoFtNFcPhGzMVKJPjO2ILwaMGSPbj/reQ 2VTKop1w/dkLJoBsXEGwcT+qQQyDQ4cgAO6oH8VySgI6q1J3Uq0FLcQvUpdjo1o= =teVX -----END PGP SIGNATURE-----