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-sitracker_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:41:11 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 90ebb3cd81b00c5b4d5f34eb19df58aaee6396c5 * md5sum 62a809716778a6f899ae7332bfc74edd 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) iQEcBAABAgAGBQJQM53/AAoJEIXCXpWhbrlNLrMH/1kWrzqYBqmAjwIuyhlCIPr9 DVT02T1v/km4YSCh0AdLQYrbCoypsBhhBCAhs1Pj/faxqCfToJbVgYUZ5r0jqxyf J4baVXq0tIMY29qXv5F3MxCdB2l3QGCG5MHeRb6c59DzgQH3MWBGJFF3W18joFP0 YosNUld+A8XHxIYjmqYWDV7qLNVMmZmRN7WEIBJrPCo3Rc9x5WGLZykec1EEfaXh HCeksd5jsDqumVzLl0yu5MN7zaJgEO+7OBCdp4mQTauaPx6Rui+SL+XQY8KQOzV8 t21/KifEHdzlBwhk+l3WSZlimcWNaCu/7+z+4fJ9tHDyc/jgb92XeGA5l25yWBE= =WDF/ -----END PGP SIGNATURE-----