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-owncloud_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 17:43:37 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 436665d1312660dac174bc05ecc2aaf7749ddd99 * md5sum c080a809b60b997a3fb4d862ce934ecb 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) iQEcBAABAgAGBQJSXX7BAAoJEIXCXpWhbrlNgjYIAKwj6sI0yzaRIAFxxaZeQHdk xF2lG4Q0efClAa6IGmQzHWDCnwmP7CVcmEG9ix0wTo8Or7QyOZyTmoN9UJsPeLQF cD0SrYTMmzKP8icRw1Jodc+1D6nVyrEaIHcxepqEKnG10neq7vz302iwjl7toxVE 1T639jnJd35RAwSXiEM05eqja8krE/rs2A537xjjr9zXhILU+Xv0FPBC28BJW6mM lbtFeLAQE1zxoA6k3B8eWzefsNiR84uw1M++6z1iR3K33rHhmgnpufxQ1sDe51JA lH56F9WjA+MAWJ1fqEXwWO3Uoqra6t/bfR8ePSjxv2Dz8pNYIbqEX2PfVwkEitc= =5Tlz -----END PGP SIGNATURE-----