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-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 13:14:10 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4e8e496944f733c0d935b66763fbb1d100b8f697 * md5sum 3220a54f9f23920655fb93faaac23ed8 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) iQEcBAABAgAGBQJRregZAAoJEIXCXpWhbrlNDx8IAK5drpahBGQd3VVW+F/QcRD1 ULUk5C1olq61UQEtkOTxdDp5tWfz8Bkxru9rCQIGiq+GBxIif254AC7M6Tyqz9f0 fT8oRRlJJEuIR/PTpTNMdKiN2iF/cG/G2pmJnJKpPZlz3tnbnsiBcPDvFGJ6opt8 3xU3oioKbXlX+Hs0m9yVRYqf8ievXwlNOftSQ+WYVLfQJCUK/MmzMc6Pf4HJ6p8z skGLYWvWARHFNnzhvlVSX00h859Ec2VNGmYvj41gm9QEuOv63/8AoyEfamPDbmzR 0W/TnwrFuo/JlNgKNDomFnBhiUPZXQVxvKcbuPddozdSdCyWIUxkineMv/CB2nA= =1uxQ -----END PGP SIGNATURE-----