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-revision-control_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:36:26 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum f4ea4e79793c9009eb84210da24b14b2cd4a3203 * md5sum 8f7cfbcae82d16d1cd91a16b8b2e3c5c 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) iQEcBAABAgAGBQJQM5ziAAoJEIXCXpWhbrlNPqoIAOH0pNjL8cNJXKrLQAN0cG5E 2WDYjn4QC2VXRXe6X4oPa2oWtjOOiJLXqk5G6CDiQvEYeXNLWJQy7u4MmHIcSlRx F5CZiJrhpaDBVl/1X4I2N/052pyEMOXxXM+riqlGH9ZHcyeFKFAxQ805FLxEo3ei 5k8BIU0WyUgf66VKoubzm0VNZFSKn6iMnixYbZsWS8ulx2k7Dz0ixfA8ZIdvnLGg Zm22Blh8hwb4TyUbdd9XEL0/byCdJsYPaP4XGNaS1GJSLeGGc88xdpdp1Vh4X37+ VTQunIt8SFyMzBFMiSVZIa3eCcqDFjQN38z1PHbnM82p3Lyqh1cEvjbUZSgWC3s= =O3/J -----END PGP SIGNATURE-----