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-deki-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 20:28:01 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4b539afb31b72377db8fb464d862e10ddeb8bb5e * md5sum f0919cb90db54839ad1099e0b6777221 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) iQEcBAABAgAGBQJRrk2+AAoJEIXCXpWhbrlNcz0IALkpN+dyCn5k5CEGG7RWMACv /1RWeUC1o74UwMkuSgwqOOf6rtSgM8nKKY1+0iMolQPcTA3O3eVPi6bb8pbyKnpk mVzo+TSYILDjMG2ZB/Erm5hP2OYrG3EdFlUAMipVOWGDKx4I97aaTBLS/9rGsd7D Kl2HP5f6gOS5W6lg+68oJ8f+s49CWZbOweRnA1YCwZgxGVuK8kFBti39cPptjuyc GOG7FmYqbxoEiNmxnnpPL2EKiyjdTLnC4dnUTlM96/M0cQcWD5L3ELd86KnlxrbP 08/ViUZBDNILjz2mR0fxenOy2ZJKnOUG3lEKDz+qpsrr33U/rUu/VI0wi1Fy9YI= =/Lae -----END PGP SIGNATURE-----