This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --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-7-turnkey-gitlab_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 08:57:21 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d023732c1c5d407fb5471b2e365a940ef6ddab73 * md5sum b88759b919bc650a98a115ad5a2ecff5 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXlThAAoJEIXCXpWhbrlNrLIIAIts3DCtNVdDu0aRN0MIY/fm iQyb0Q5gNvwRGN3K3sJFhU1VWnymCoS+fqx+w4UaNrvU9J4lZ6ny7CxBt4SAdFEd OlbB9IcSl6aODQh6Gxtj35IIqM0KGjOprewnXb39cTtijmCJ/nLK9Hv1sph6MkU2 gu5pBJ7sDfbWxTj2BrfrKjzOK6WkKfLQYTTBd9TYHJTg/a16IVDy4kIBqHBijMa9 LE+hfb9Z29DmOrizF/fY+HKo+ppxnEWWnIkZioQDzn9G2Q87jelzwny92+kZ+VbL h90TbsHBoyR/8AHpKsCSE/iFxlqusntXIQADsgUaluCu6V45dNU3YpquEhhxQEo= =4PrH -----END PGP SIGNATURE-----