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 turnkey-openldap-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 09:23:01 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 51044b834c555f0ce9e2208f191abc56b0626cab * md5sum 6f907baa73e9b7c9dca5a9d214f832e2 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) iQEcBAABAgAGBQJSXlrtAAoJEIXCXpWhbrlNP+kH/3zJSGpi4D3oOPOGBf/1UZMR LxzJ5NNL0a7ZWuajGM35URNgsprtD0isIcv8clfouyl2xPIs6xOMKo+poAC6Dt8m MaIT7HAhWirvNMH+P2OL8CAv8q2fsgUATrarCcWLi3tIMvwZ5y9C6Rknk7vZxak1 XxilKY2b+vDzouwnsfjIT4jrYzjhO/LumwjifwKIxkWFEAg+eRzzgrX7T4vEfV6r JoNfEhyLp3Zyeacj7QDbpbueYMb+4Rvr+dOBSGPJEvrKYodO8N87SizxE+8LdeBn ltxTZj+KsYAb5c9zouzk09cOj+2BWtRsyw/zVbuvS3GeOf/b+m+6MprjFpLdfeE= =+j1d -----END PGP SIGNATURE-----