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-7-turnkey-zurmo_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 10:52:22 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ab8e4cb9eba5dea8208b377e229c1e28e0a23b62 * md5sum 1e28a125252ba6435688f13d8846aa60 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) iQEcBAABAgAGBQJSXm/fAAoJEIXCXpWhbrlNXJgIAM3KKg/LBBtYntfKN39poqQu iJ60+DpbSu18R+VQmMGC4gRJsoZnHqQnqKEKMktRw+VY8OMls7xH+zG0AGl1hYQE coBkRxqcySJMDitPDKsnmXLNsjRqlOkRB4wa8sKDMdNmbNCbQV15MfoQLtSrB6zu k9sorrFeakPP9IC4tVGCts5mWh7f4HOm3aO+bI3Cum6iJn6DAT7dimQeh5bh2tfX 8HI4j7PPRwHzsgWyxflhD34AtZVDP9+YORIxMpgiUFaAnpc2R54WO8lmyKlqLE3r uYVJT7v20qouUZYoZST3hY7quqPsikkq6gxpxeLqxDPITAOnBLWrIGaMUlHH5XA= =pzv6 -----END PGP SIGNATURE-----