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-postgresql_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 18:09:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum be0efa457d237dbfd124cda8ec44ae2aba8f3f3b * md5sum c68fdd7ec7780631c383bc604aebdb76 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) iQEcBAABAgAGBQJSXYS5AAoJEIXCXpWhbrlNKgMH/iIZoI7X/kejZ3n5wIu9NofQ 6rM9lie/Q2m7ljyajVKJvH5mgO3alVWEGGAKutzRjCt5u1TOVMnGHxZbX2A2dxqw zRcs/jGu9mm2wB9iXJYT7dbmCGBj/BVI5NB2tTpIWseFlBhTjx11WonH4aBF21xC ER76SZRlQrYeEPOdS5IalICibpmc6+89eVkSrU0TQkhK6QIh49Qd2rbSDpshT8vh CKHz6aliVHBdWLe4QvjS0MLqPxzRY2WLmjuptbMY285hwpHAuFHTENdTXffN9HIG MB0o5N8DEQkJu+loushNOgwXjx3FmRNaBFobwchP7OVY8fm+6L4jeLykrYAFPDQ= =fARt -----END PGP SIGNATURE-----