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-canvas_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:41:54 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 0ebca03597a0ab82927febfb046f61a819004faa * md5sum f0761711bccd68979cb89d2bad769fd2 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) iQEcBAABAgAGBQJQM5ATAAoJEIXCXpWhbrlNZlcIALduyNp2YCEYD6vJ7PXFR6Df l61/WdFkGI5UT9Cd7S3Ti+SkeY4sHmrfekWwQH9f4SPcWeyTvi2N3DXSPTWFISRx 4h6NaDk/Tr83pxaMl35YndeCBMMDmZUkU84ympireo26EGWU3TyFLK9g8u1RxTtb 1HF2GGIHg87bYaCRnf3GhZauUoguCP/ZHs/PGRv1Odf6CZXoOPowYxoIzjqih1qt ySIwjiQ0mBh9YcQHuwjKiTIF2PWPnuQAxa7blK+y/nX1vDrRsAVupvWTmScHfkSJ XBNadtqK/Ewc9Rwv+HrYQxWvl+xm+zRxRHZtbmruIFFum8p0mpgGv7tXlXfMU8s= =iWRK -----END PGP SIGNATURE-----