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-mambo_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:59:36 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1e91b418b07d93fc774006097d860242ca115187 * md5sum 14325b87cc8e9bf73777be7f18b5b3c2 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) iQEcBAABAgAGBQJSXlVxAAoJEIXCXpWhbrlN9mAIAIqt9oFZquBfldlCwqPkbRks iwP6SNcY/BxCiXiyh8w4wlwT2Iyxl25CY6WmHwvhUp7fqtPDD5XztECTmdOBXmCq r+fgJBkD/hR+B4F5iiUxug+9lHIPVWn3Ci48N7UalbQOvgWItDkVXu1L3I1VVDJO wyc1jVFz9QQRa48aTUl99DhxpkAcFphsHjdBAqB2TvP57AQ7ukxQ89VR8nmFTFDx /TqkqY8xM5BHlmjbCHlsQFeku7qe9L3pUh0ncO6+l3DjAzFaNZP6BSkvgTpjhHLr sban5C+Tx8AJCgsOF9760bAvH3w0ON3S9CxMAklI7UOl28FpzeTSwjmdDHNquv8= =qK3d -----END PGP SIGNATURE-----