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-django-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:37:57 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum dabf537685f60e52a8c4607ff9b74acf10fdd6f5 * md5sum abbbab9553a2a366c0b99333a911091f 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJQM3MLAAoJEIXCXpWhbrlNEdQIAJZlhufX3Up7bdThWTwzYWO1 m+K1qqmM3dwXsGhQSJJjeb3Q16Be4OlNFrD5TPYMs89AD4dtuPEP6UtF0tg/duCL 6JnKnFtuYOMBAtQggwsvEexJZsY/UAbvybeuYcWi691JWadwuMba7s43cVtCI5qj RE6ZVWClJBs2dAkfQJQjpca170TUvr9mO0z/Ctfp34Ld0V1kLIJmIe+uuPIeloy4 zWUjOrRiHcJj3kPIREDxZqwzjFvFTKRmOfWZU5Vv3mJPFinT0n/5C9dlpcKFJBvf iAmPX0LkJP8YKer1/NeIbU4lgRnaZCztmbUgLq0gNcTh8sZ2Q2WKLpWPq4BH84Y= =nXJP -----END PGP SIGNATURE-----