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-joomla25-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 21:42:33 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 349459cdb48e78bad2b3c4e118a6827b26906744 * md5sum 1d28634c12ec38bd06a3f6d7d8b99785 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) iQEcBAABAgAGBQJRrl8+AAoJEIXCXpWhbrlNwLwH/0yrFhVuns4pJPcgoGJFUDwM 39MK4baFfCHTjIks9OrsiMmh5SW/Au+YaL53nkRnEE+knnSQCrrtusH5ay6hMSis iccXwPscrNdD4b3idPiSXBWM4UbzQ5VwhOM9n5D9OLVjBvHcLAUQbMIFf7A+vvkn FkDjGW06tU0XdWedbgj0WWI+Mc465iEbAFWi1Kf6Rwz9QRwPuuX3SV9bg9BxChrk yEd/cfIHMQnyuugRLEb+1IIS5UPQNjJMua7pqPwlL0u+FVbq3yQGJI6E4iankUQP BBnrjAuFRGL3SVh8jgOWEeyK6vvw/Z3a5lXrvJYXPTIZxkoLZu62hP4O4iSnwfc= =XzyC -----END PGP SIGNATURE-----