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-6-turnkey-zurmo_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 01:31:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 04ca686e7514f147d602be92b68d197c58dcd7e3 * md5sum 3ead7a6001d85654b4c7f8f50f0db821 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) iQEcBAABAgAGBQJRrpTRAAoJEIXCXpWhbrlN1eoH/0EiGhqyIEvG6uNIvw7PMrNF RNJ1jk7tKGQUa3iTQJtE+UC92yfDRiCrvI639048DOhbVPq4qjZQZ3/wzPfv8uZ4 /B3nhRELip16ptXQCE6BDZpVEIm7TQnHov4DDOmK/wVNRm4A1iJlJE9tMnXhVWn1 l3PFSzS7WnXh11jgrk3yvTlXroFSs1aW4C+nQSHNchgvkI85SJ2Q6i4uod85aVzw PYEQ/c6rA7e0dr/vrfvpsCGSUx0hgqOsTibpzTCG6hwRDE+oUn7nndkVjjgPKJZT io95GS5gL1fua57SAgOvDylILzvWzbda6sW0gsO3IPzhhAha7008eKPE7hkLMc4= =9Hes -----END PGP SIGNATURE-----