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-7-turnkey-jenkins_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 16:23:59 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 07ad2295101db91149cf3225a7da6ff1645fb9a2 * md5sum 8d936562d12cdbb9cf8218799f68abb2 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) iQEcBAABAgAGBQJSXWwQAAoJEIXCXpWhbrlNCWYH/25T6vzT6DNnugeqkhBi3BH/ nG0J1cvcE8BWR4hmr5m+y/pQ/K9DlGWERlSrAqO1cr/077tiD2VjkDLFYFQpJrob d4yKvcoU0JfTHRk0HOfOh3HKdsMyKvxkLcUllm3ABOcPjXoPcMmUR+Vpvw9W61uw tDOQL06A5CtEmiFAue4mm1NFKPsiznUUr7di+z3NtZbIGLHCB2W5ffXkh4s43DQq 55xP4nIBttxzkXl+tVx+0g2zSvi7OeUJ4OCdNUkmZPmtfzsR2iDyvSlEzS3aokgV TWdpn5Hh9uBT10BNUZjco3+Ed0ZGiKuyGlTJECOJGxJ4YRZDuE3MIgoYC2arbZY= =qpqC -----END PGP SIGNATURE-----