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 debian-6-turnkey-projectpier_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 15:29:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 55a4a067d0b0e0b68f9d0c74c005dd054b07b840 * md5sum bbbfc78dcf8a0c8aa4e0dfc321e1a165 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) iQEcBAABAgAGBQJRrgfwAAoJEIXCXpWhbrlNhUAH/0IAFpGA1+dNuoiV47bjRnZ0 mT4uHL+odDjrOEphhEIgizL8AQl4/7BcyvIRWMNJDkZNQ+8QLDz9Bwk3vhNHNPT4 VKEKQS2Aliy8aKMqHII7c84VfNOasH4XrLaoVXkRto8hfQsnIJ8/paMeOgVmbQNJ OUmlaV2oJT/ffMPGRkcaStoR+QMbeUIOzC0UTiPazWWh5E3iFCrPwoF+n2PMHB6z U8iH70Nmm1/QrxtynrCOq7V1W9D4feW6HMZsnTsp6CpQ8dEH3nooYgLeyDy6WZHM QiT1zRgcVpQ/gX2x+IqzvG/fhs31sclSwM0WUyxLD38i4iziSY0TKwaFvhpdU1M= =gkrv -----END PGP SIGNATURE-----