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-postgresql-13.0-wheezy-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:50:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 16145f0a128e1fa8b1059b8154e4cf9a18015271 * md5sum ff9169906e11718ae7f8a84fbe3bf590 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) iQEcBAABAgAGBQJSXmFDAAoJEIXCXpWhbrlNBHUH/0nKWYgLwW1mUfL24qkbjvar QH/+6Goo6PwgTzo6Q8pA0k4ltLf58b7PMdv04+aycmHRzlrqHk34YESRAp2ADIxX mYF5GQ4Xdf8oPQvfZI8Pry9H7kI4Ul8SMM6VQQ3pb8SiQlRpnf+F1AJDou+wA1pm hmKCS6mrfOdewuGA2D7axAI1lrMOLo5GzwRvXA7Vx2fNJ2oUu2XU5jgXqqB1GsuH r7h9w6C5ZEDrplKwKfEszPTkbzm8wFnPxUzJQHydg/38/fPQ0tumm0+Z4BakHO3h 4UZG6HuR558dKUCYxuf6+BrP/Omht528B+ffy9a/8fJfFYLpcDcFPJmdVK0R8j4= =oFBo -----END PGP SIGNATURE-----