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-zencart_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 17:10:29 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 19ab0cc92abd28216dd0cbd263adb4e261092a51 * md5sum c8492ea3e72f344184d4f953a850028b 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) iQEcBAABAgAGBQJRrh9+AAoJEIXCXpWhbrlNSOsH/ilUcma8JgSDINtMd2xE2Qer CzgwYrlFrg/uNkm7+knZatsorGJ6XLfXO4mlST8dX0lbio1tPT0u9p1jtFjV6l6Q FhWadR+mQqr6nU2v8GN8TxEsh/dKPSIcCG2uU93uASxSVlb0LQRwyLf8Unpj8aQV jcKt2sOAVu3tYxBAjK+URfBivynznlBllShpoo0fV1bGqAPIStcFJKNZP6P7+6rd BUVMlVvZeF6oQEoAd0yZ3hRtBEt+FxIYofgXT/5EBAx9/m8rWEWIQ0kBITPMaY3G Vip/HCkMmxHSuMMh3t7gUtVjrc61u7I7b1Z4Kv+0W4PSSdRQAfsxLKnknxdxb2c= =qQZl -----END PGP SIGNATURE-----