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-vanilla-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Wed Jun 5 00:59:36 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c311546a84885a1393f9bb6edfd5a8f58db3384f * md5sum 0e3461525bfb4ec2ac55531a06c905de 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) iQEcBAABAgAGBQJRro1pAAoJEIXCXpWhbrlNcFsH/3F8iGggRzR/hTIbXNdRF9T/ DfE2tPISDgz3RqkNjvf4bouNV7IwJhkuQOnMJRz0QuXXCMl3gm3wrhyMPA4dA+tK 8UfcCnMqrSKd2I1EmqcNMAyJuYPxNfL4dhA0AEysBQTljLC5wwlHX/Ym12AOnsJ1 aOckuFOlupK+6QlRnlf1KxvyFbFArx64FZJMBD4bc8rLjkoTtQT6AwhGJWIR0AuW G7qKT1eC7M+lqDa3JUIVNR6gt1BwV7If389K0A6VI3xSQPmSCf3OFXcZJHczSWgW QMpaS/Q6Hw50ne9ItiOH6xqKxb3yVeyVjoTGgptmEJgdvy8s1GMZcHb/cBuvBOs= =/nRd -----END PGP SIGNATURE-----