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-projectpier-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:28:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5da8ea81144ebd79ad34bd832aaf2a9fd40f5321 * md5sum e6c8e6dfdfec1004b74e76963ef3faa1 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) iQEcBAABAgAGBQJSc3QmAAoJEIXCXpWhbrlN2E8IANhOyasp8QV0vnKesDyQkOJj Z6n4j7dEM5uvIxDEWyrCy+nF+YulVJ1hCo1EeQd/sULQ24hSISa6jO9r2zC5/uYo mDFHxNiFeRMvrUffXwCwoykiFjMspUztNhcTqbif78trGvNFS+BLEy+UScRAHQ/K cXE0MlvIy8H22OO6c78/LSxuMcuKoPFYRBJFszLntS1aXZiqyV9YTq/r/S87RvCK KNeNTKzcypKebbgFg7SoPLjUp3U0Pnb02WdnsnfuR5wTtpjZj1Xa3VbkVLs0O/hN lqvGBxFUp8gbwLZcRgCaLs+CZ2lUUasvm9WKsYXeuJ3EhKjGmTxNS8u8tAeJRyQ= =SGng -----END PGP SIGNATURE-----