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-7-turnkey-mahara_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 16:36:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 84247d98da3f166aa5ef4a774f40ccea7c1c9567 * md5sum f674585906e4beac55f8492e2106109a 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) iQEcBAABAgAGBQJSXW74AAoJEIXCXpWhbrlNf/8IAJRg1FPBXwosYFyNPmu2pHmr BunCG9EsiLNZKQgPQbWOs4HBciKKnfKlznjMD0bh85as2IeLBiXdCYw4mh1Save5 LrG96XfyUlivnc5Sd3CRN1cQYUJVzigllGqm1F12UfCrrvbeTvFct+nH/APgLLMU HpZdxGqZVeTlyv+KY5UQXHruyrnqtEXXK5AFIH0+qD7cX3bOZRNc38EYuEXAIijA uD0nfLhN/S1WK4NFXuguajFggpyKSArxK6XctXuRVEcQ+H9gAA7S6vNUDrVvm4sb MGrcrP2Bv1CpqMzpC28hpVaxM0KWX4aZvrJUhIbFEOU3ICnLJ5d3Xf+1HT1UQFI= =zWYI -----END PGP SIGNATURE-----