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-mambo_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:17:56 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum b5ae69121cce7602de539f08426b420c797d7c65 * md5sum ae3ce9288726185d6694024a8eab1ccd 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) iQEcBAABAgAGBQJQM5iMAAoJEIXCXpWhbrlN+G8IALw7gSXvfo9SB0IqHi+4oJ/P OlW0+gVeyXh/YmYz0G6olZUEu+15dYni28aq2txZe37VMufaB7JD/KonqrvZUko/ 82AQ0oI8GYkzluJZl0g1b4uThQ8ujbj2oTOjXE6kaSaNup3BEEVWsGlJxY9WRXCH TxdLShQTKh3z81aExxlLEYMgioEJ8CYkhUg3l8uugkqRAF+04EiZtZbOltgz/wKB 0vsWlhukchn6I9mab0Kre/hqrjGCQVdz+Q3xsCHS9HOSP8pF8yxTJWTKqkYdoNhz M0L4SRU51Qvs6hOA2+eczxJD7c4SYCgq4e7pnsflRXi7BUBYnQhfuTgvnoOyrdw= =VLiG -----END PGP SIGNATURE-----