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-pligg-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 18:02:26 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f9edbc09cb4876bd619fbcae2c09b5855b5f2fc1 * md5sum 420925c897bfcd59feec28bb85bb8c38 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) iQEcBAABAgAGBQJSXYMmAAoJEIXCXpWhbrlN/loH/30WjDmlebzzP1C8q8xcCzsw ThUi8bGPTgaqvwwR2/lESLi9XlmcZnwuSGYH8rIGxY2SMAbnbGsrtZMSd/+pWbOy aXM4UdKsavzkdJfQdLUwGaSr9NESTeclsZAvjLkkW9O4dLLs//YCN6RyuJuPPiZN YnfA+ibmRGcxq17H+6j9H/rcCF8KUvn/+JtU+FUQwsUu5i/JG/p9vipMTW3nLKDQ Ssrf9rrjgBze/wsT2V4R08v2LA5aWswmSgfoi1YI68hdV9qDJN5oINvTCEAkEz/T IEiQmCPY/Oo6AuSK2F7qf0lyOXdR4WheboU8MnV0Q7Zht7e6Rme5ixtUs4ZGpNw= =4sL0 -----END PGP SIGNATURE-----