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-openldap_13.0-1_amd64.ova.sig gpg: Signature made Wed Oct 16 09:28:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a1b196657de1d4271e79170fdf5b6cdd57bca667 * md5sum abe0709843953eb68a67d348e99eac11 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) iQEcBAABAgAGBQJSXlxEAAoJEIXCXpWhbrlNEgsH/jn27teVVZlwIZEfpCMFSay7 Su1GM7OYjS2fjx7y4Ms0KjDrHQqEo4igk/pOncyN8gGm1AfQm36Fb7NlD82ZhvX2 TbRiPHm33LKyPn6RdqQ0Mupcs1PsjnWMvegOGUa4Ujxtsrd63bG6LXNzoWCctjwf pvV2+a7xndyjXQKnd1pxuZWhdXMi+JUDlankExUYgOR1adHSN/4pDYaFCr/HGSce Qg1kJLZclGOi2V824CnJ5+ReV1nR8INZr08O715TRoKFJFt6gxcGNuRmwpAU2u/j 3gOE/13gKTX/CvLh8GrpwvKmr6BP+wnj+X6ZsjqpUJbqhkVrc8qVnUut95Zt6O4= =rWKV -----END PGP SIGNATURE-----