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-phplist_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:28:45 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 0cc26e6fb67cc1a82adf603f06c43913344d5773 * md5sum 3420077abc2a8a363c485d031b1d472b 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) iQEcBAABAgAGBQJQM5sUAAoJEIXCXpWhbrlNTwoH/3MN2QQnCPsJUpq0lfRpbplI whmGkQBZA8NhUSFnNpWs3RiWeQP43hI25+HFcgKLSdiVqZ5fKxULHYcfS0YoYD5j 90iThV50uhsy5od5IDW5YKO8iDb3r8o3ZlNyY1qpTRfQGwlTqWsOZWw5cOGtdAdx co7q9EMgNwLzd+eGDZ3HqPZZyGmDqSGggiHpaYHZErn8H8zkEeFkedoaW4fDf8AW U4KizIrL7A2x8pbaQsscZvRz5HsKq6G0EK5Z3huAM4j6p8cUWdOqngDyEp3mhDls CZ1MHgHtPF7KtvuE2GTJZ06Ezo5/KMFrhmOZu6q0ZeCQUXTa9ogJNZEYyppQcsE= =csfv -----END PGP SIGNATURE-----