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_i386.tar.gz.sig gpg: Signature made Wed Jun 5 01:35:10 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e328472f5d0af44736c8acbf9ce19f8b30ccf232 * md5sum cc5766d0517f338760c2c24aa1ba2723 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) iQEcBAABAgAGBQJRrpXEAAoJEIXCXpWhbrlN4ZUH/2F9hRI/wAoy0XEambLBuqWg jp3WAup44S/iRMmZk3UP9LtEKO800bEqKeGEMZ2Xx9IBlX5YjZrM6KaqS14cfJ80 qW0AFYimiIabngcXXht+wPrnmdHf4gjBT4wfYd8EufzpYbrbDZQe98wWwggm/n+L F2JocgrssS0sQJJ74DacXXCOvYOEgInJEqAPrzQsmak0XRqA52DNMf7RAPPF5/P+ BkfnO4Tld9WuGj6lpZq+dYvj2xcilC2yD9/hcvSZUU6eEwP6zj+v5ykYutJPXhfH +k0u3o4r+oSzhiETdlHkalLHQZhHdnNPhiHSZNxgC178XgXm3fszDqdZpBptex8= =r1PH -----END PGP SIGNATURE-----