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-torrentserver-13.0-wheezy-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 10:27:30 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a095becc315ccb97c494d8ace2f4f043636fa97d * md5sum 30a8cd12dfa1ddde076d9f40b648cd5a 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) iQEcBAABAgAGBQJSXmoJAAoJEIXCXpWhbrlNKXwIAKv2oNUX/J217l4Y9uh7faQD n+rh0re3txo3XTUKoI5G2y9mNIcuUKBzBX5j3+96LAMYRMMlugy/eycjVpGWzpEs Wwtlq6iwgImHJvhtiW8GeSjWN6UeY1Pk0Yq7IQ1DCL94Kwb7Amlx6YG4ZSAG28sP tngSof2Am2mLlxm1e3nBc8H2qtqioo0dhaq7NgoJDggI0iMHNJNh67RW+cNv8aw7 MJdnWy2K/8KRDzsW1Jmj6NCDYM3hE14moP7rHyoC0Cvm8t5+zo4orQ23/S85Z6P5 N1mr9d4eht/5+/nYEFOu+nTpFnaMntLidtudlar8wEJbygKFmAFHbZDtQ8VYliY= =Kaws -----END PGP SIGNATURE-----