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-ejabberd-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 20:48:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1bcd1a24fcaa2662fde1e5a257478fbe8a9d9e4c * md5sum 145a30d3b7fa6650c22bde120c6ec582 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) iQEcBAABAgAGBQJRrlJ8AAoJEIXCXpWhbrlNQj4H/jFtDeg+gX37Epuc8AXRrYFv rp/nq6cGJKXX3RtNTAKphOn0vhM6ZBJ1VkHMePTsQN9xQ7eo9wMJCpXhgZKFzFOm +zGbArJJXJ3iLb0iNrGLSexwGNtaX9vEVbeKhub28nJQdSzWj4QnEND2C+CQKylN Mz6kbzfPIMQh2+nGhAWaC2J5X7b6ZB7/cuFXT5On+EX9jPRI4W7qdFUwLrVgOT7H VAym+lZODdVicVyy9lkBGWeEzskvtua7tB2Gush0mAODbPMLMDno0FPS9OyYlgo9 lQREu5bA5wvsQdqzPtD8JZ7pc8ArdcFlHtwLmYaqNgYRp4yfaoidCTyAO2BGemE= =5cm1 -----END PGP SIGNATURE-----