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-zencart-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:48:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2463ed72458a1a890694eb0a0242ba84726c3bd9 * md5sum cbd583abeee733ba90506d340cab8c19 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) iQEcBAABAgAGBQJSc3jSAAoJEIXCXpWhbrlNvJEIAKM6EEK0KFKK+p/SOTdMb2Im tZ9X2OjATmarZs1a1gcHudTxT12xsNxcNjJGL7gYPuq/+pUoXZImr8i7Att5dTwc wqxdRv+Dy2yODCNTVEf/arPUmuay2rO0A1ghDS35dVycQMPUzs2nvnkN1N7XOpTz dpGVT7FKMIsFqt9LsNQ5ZSKvGKcbMayntFuhLEKowabslZZyVnVAxE91xHlc+oCf t2J9w5OzA+vaoAlRXZ5ZIgefEd/ip+4mxwwLdRXMDr5zOIy2jJXLmpuHUGlzo3hd +8U049JV2pbrdgilRawqpRxmw1qxcY5yRPVcmeLIWynuexn4UgeTVwA8uz1lCGk= =Me3O -----END PGP SIGNATURE-----