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-revision-control-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:40:28 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 9b4cd7b1fb0f801b58b29cfdf569a9c9db3fbd77 * md5sum 33c1d203b1a669877b4810b45683f204 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) iQEcBAABAgAGBQJSc3cEAAoJEIXCXpWhbrlNtqAH/11U0INgod6tXqSjSemCgL14 35RQtKkYbG+8uFH0oLsNWQaV8ctvjMSkeyXm5DooTzcHKUzJ9jUFgDYPDqgeeFcc nxSoNsBL2BSzKX9a3V7s4P7ZTQk0ouLtIZCjjeZJCWwjtsUZ/MPeMJtBzt9xvsiL 5/ekFVPzw+xcgc6VRwdecIpbjPQBxjWPQaKN0o62OguaaqABhFJOA4m755tBDwRU tzEXMQzAJe6iLCLPLdTFgpB7cMdNKW1kjUoZ+ivVA16ly1sNaKzxgS5EonDKiC04 gFEY5KvmxMLjjDnGOYuiArmvPQdfPGAvOgkv7W7lNrjD7Usak7DYGSSowKITVz8= =ch0b -----END PGP SIGNATURE-----