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-plone-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:28:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dab399dcd5025c52f1f9fa322a0455f0183957ed * md5sum 62ff3c089bddf3a0b6d7ae97af549954 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) iQEcBAABAgAGBQJSc3Q1AAoJEIXCXpWhbrlNUZ8IAMAMgDboxcDV/pWpvfFtvjVt 299Z8X3nhQqJb0wf6kce7U3i3fg302qQY3aVmum8p0gO6ijzITdFwO61Ep+v/mJk MCqIuNPtYEkO1SdkdPEktty5RoCuSDfHvs1LHLS3Iu/DEGhsvjd+wbyH1d12MNXA y+ZzN0gcmea6OkiZQisrzvzhIR1OgKYPIijdtONKSEUzzhSiL5fzutQfU8QyAOub vDApf8rpBDsb6OLfOTrUMZbHpvR3ofb94yKx2GxmhBvTlEY4485eKD3RDjzhyqap tbgGvjUDhkdzVvxfanVXNRcWKg5zXb/BK+l0RETrRwfQUJaO2YOlAGp3/qrvRis= =vDYG -----END PGP SIGNATURE-----