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-sahana-eden-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 10:05:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7c9fe98b0ca0060efcac4b55b365a8bcf193a4b4 * md5sum f5a099a6b179e04d097724ed2dfa78b1 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) iQEcBAABAgAGBQJSXmTdAAoJEIXCXpWhbrlNOqMH/RV3s7kqVOo5F/oVkZgCIBfx NnqrJvS35Y4kpgTUuOZJHDAuEkOzEnpWP0AKcojuegYEVyLRVz+ZRHHvETd/l3dz aYbGRGG0eDb0X6JnlCCKtze7bZtxt663gqiAeDXnKsHswDfNIhV2ij0OgO7LGN3K MCuQ67kmNVtxE/pLyJ+rp8/VQynGmkUgrMB4icZw5aNQDfgKEDgULMjqc4MtVjLg H+lr837aTWt7hSdSbMOOKD3kdlz1FVBhZPTZFp4cqGvlAHBTLvEVL/TIWBgTOe9z ipQNWfv87YMLWhtFc0sJ/NtHJPIi1yaggUBrFA7/s/LbLVouQpwaDSho37f6QnY= =frh6 -----END PGP SIGNATURE-----