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-jenkins_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:53:05 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 2c3d9b6476145c7d2021eb34566b8546437e9fbd * md5sum 306fac73feeac699aaaf6fc9cb81c7f6 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) iQEcBAABAgAGBQJQM5KzAAoJEIXCXpWhbrlNK1QIAIOv9lLlj3kxcU8DnLmZf+rN qAIq5PzdsKpkaz7kYHlo+knrEuG8tfesbEotn25C9rNJEDgqgpAFX+4fM5/rgmsF EWMmwg4+oJG9+AAFEg3ttrHZGhIxV46HjgPzgdE4tZ8Sc+BtniQff6qydhxdVru9 EJGJoc0ZXrs/cYHuvlmsSbSMsveLyy8mcgVRQLeh3A2BhfrXMM2GBLSYlU3zm9bR zo4XjXFTMUPVjSkE8JikGNuxuKwh1JzwiY1550Mgf+LkLKN2x78MGm/fhrOSraKW tAU/QgwXcS7EwnPncUHZD3DgjgBgobinB3vtN+F7CabX9C8r6/8LA/RnXPzsS4c= =cHI5 -----END PGP SIGNATURE-----