-----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 debian-8-turnkey-punbb_14.1-1_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 debian-8-turnkey-punbb_14.1-1_amd64.ova 49e88f12e9b99f4f0dabca59129c306e $ sha1sum debian-8-turnkey-punbb_14.1-1_amd64.ova 6f54f0cc5921049db0e73cf897c1ba8df79ec46d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnuAAoJEIXCXpWhbrlNhzUH/3oOgascnJ0G4euVB84qecCU EAkhHNOnh9lGylk6CelVSHRkqIz5sLf54QfxklZn38nbedr1GRTe6G10UReyW64d Usyea5PCJrsfwmpzlLXA2gdqOVa/IQCrektXjBA0dd4n4xhiP70srQ/AAiqmOxoI G/OCF7xw10rf/m5KGYNW3ORB5pYFlBscu3HhHpdp74AL6l/5PbkNm5cRm6i/6RMQ xscIbV2F3hUw0HZ8J8ifO5iPYoxnlegvlQMvYIyYlU49SloXFn7LdDEOmrz52OwC PgwUIYz1E1jf6qDS69L1QnfXMVcD2qAiqOMqi/ZV5Ia2k2I5y+kadFASnVCLjUA= =DOlm -----END PGP SIGNATURE-----