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-joomla25-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:11:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e8873e97bc5356000d5fce8718d3782daec2c478 * md5sum 1a45e624421001d5998c334a88ace644 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) iQEcBAABAgAGBQJSc3AlAAoJEIXCXpWhbrlNRBkH/37wyAW+zeMK9exbdMmRcMSV gSgi1gGHioUFHhYEKlaps5qO3mOpCZ4A0bLxk2aSbHwqHnv4C5Xbj7YYD5gFsL+I w17HPwc2Vr0uOvVvuOjcaKESlU0FkBa95tuvxNV4xR7CZ22imBkXNauYTK78bHid z6ekrm55pInVAsRHp3KysrP+RmmQwWEFd5CkAnBrqCDP2+ap4vSmiLIiMrfrkHln lQrI8oybHh2vj5xLnhMqgIDtlwNFqkQkbnN7edIl5k0yichN0thNH5mMlttcIInZ GLTj5fOK+gi5aNjqIYP6RV2A5rqdDQawC8ekg6SoVjkt30BCLfN0Re3lDZvi/9w= =QErr -----END PGP SIGNATURE-----