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-e107-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 13:26:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 63081c8274567740b9d000fe319d903803c511b0 * md5sum 2cc8df9c1cfde907bd94b7a7f42d5cbf 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) iQEcBAABAgAGBQJRreroAAoJEIXCXpWhbrlNRNgH/R1inND25DZBKkQUmdhAG/j8 ucMQLw9LBg+11YzPdnX5rjDpcBrz0SIznWHw/tLPNaZA3ir/zJ/CDyQIojuWOohC KJnURwKfJ9SBw1BaqWtVhYVSy03+0Xh8DCqZUbT+W643pHXpIiLqMNXDv7RPdMR1 JKyMPRFNqKKaeVJ9XSpMXb182UdvwKAao5zsZHGgIZ91JZN2RpppUSOx5R3sg+GC e7cXZszWMAylufNEQahbaJG+f4MTrb9mLBEs5gPqEzOpNyiPkVTwuivhZf4EWClm A10PZFVk7TI9kwFNj41wg+DbYnk0qcAeG3mLp6miDNEkSd88at1el28M60U/qoE= =piLt -----END PGP SIGNATURE-----