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-clipbucket-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 20:31:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 033432bd6f143450dd5ff4a17ec85bb6e274f09e * md5sum 207fd601ca3b4c81c07d7c39d4c80fbe 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrk6gAAoJEIXCXpWhbrlNojUIAIB6rYCoqqmfQt52coilB4AG XUkN6pA1xpZdeU8+k4EALlC6Zok8C1aTpV9hkhED1KHlHxOwrnIdXVYqHOicwqVr UFwIB3lYHNuMkHP6pcP5uuFVVnrgDJnOVqtL4iuIQIcgzwdOZIVAD5gtreq7YrHG KSavx/XbVv/m0L0EwqWhBD23HgrnfIwVOAvgj3BEpiqDrqfWNARnDngTqZHLufbx cZzBx7Xx+OJjmjIRdwrhUfN7Z6dfmMzHVRebnCTqEMG0oDFrN0TRyZbF9tkgoowI 3Gc9YENNNHBPGJFEqWiM+oa7+Avp7l+oKHfA1krW4Y0g223J/MXrFgnfxgABF0s= =cHE4 -----END PGP SIGNATURE-----