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 turnkey-xoops-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 17:29:05 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum c1f8aa7bae564599dd218bf79e3ebf0286928fa7 * md5sum 51aa9ace4103694679e7e0728979e7f6 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) iQEcBAABAgAGBQJQM8VYAAoJEIXCXpWhbrlNvroIAIf4tI1SxgWn2/Ic3JgCbZcn m9Atn668nvO6tvmK3DJcrFpSaCSOOS+M+qLq+wGsnJR+KmPSnPPxCPQIgMDxYXxZ 9OliRW4vNMbmNWrhQCw9nZwvd78IqycyamTt2fOcTxijQbBGhz63Do2UQKC1Q/KE DNf6w5X2dNORttppFE1JSUeyRHYdVYN1Nge/JW/abcpwYzpeNCRy71xGo+NbFqnT Hsx6Nvm+fEoASYG6ETdmLChCjJVAHVfhaoAIcLn0zZN8CzjYlu4QGOlln3N/ZZUJ bswJ20mFHJLfc5E8KeSI1lOW5K+DNxRWGVzy8/oOtMlvHY1YejmejbMzE//g2Vc= =G72k -----END PGP SIGNATURE-----