-----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-plone_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-plone_14.1-1_amd64.ova 4571d4ec4132b9eda8f0c42359f164b6 $ sha1sum debian-8-turnkey-plone_14.1-1_amd64.ova 41a52c56ef56d8f6c83ee0d7080afa687e0f3069 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJntAAoJEIXCXpWhbrlN1koIAOdQcbBXHEgDE5HQqW/3mwg9 CWZ8o9vnp6BRGfDT1wI7IotXotBh43izyBmnY4k4a1aLvxrXml7Eywk35n/QXlUb eSUhnx/qX55RMsr3bQnuVD2rS2N7JIYTzOvL2GX9mO21Igr6wQe8kBdRdm4KAw9/ seuwqHxy2xuCM++q6N6A0u2FTW+iwmFZVdMOGEwEULKcbiD03ci6VxTnusaA5aEn sSM2TdTG35HiEJYoDzq6gEktftpXLe6jvQSpHvZk1SisAdKwy3vaENkahJ8enB+z j31lf0CViUPawQ1Dc7U0e/rpMcZCeYcLPI9jDYmzzCjbKmC2iDa8zgHMOHNnkag= =8P83 -----END PGP SIGNATURE-----