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-12.0-squeeze-x86-ovf.zip.sig gpg: Signature made Tue Aug 21 11:39:31 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 1531ba6a19708d7c9d2b5969dd2ba28c70a48835 * md5sum db8cb8b9303ff674c43ccc2c211794cf 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) iQEcBAABAgAGBQJQM3NoAAoJEIXCXpWhbrlNCx4H/3bdAqBjD4eAtayUFJjHJgPq p9+rGuBmUF5hGhBdzk78/REghy2nTxDqPaMFS889PGHVPxUBONv1osAcpeZDJQb9 sRNCxbEX3Q2DcZmQjsNo+as4Z+OMdEWE2oNui/r6OTiTGKpvnL1jNVVXvtQ4PVbq NtVyrZSPxcdFQ/hvK/9oUDLv6qFp6HgxKEGz4/bpPi/CgaGXQovAOspAvYM7oqIr QR4D2ZvRGmNwANpGMx20edAhbnmQRWVn//UeIS2uthVBMnAcLLhEdg6+4BUA1BNl rtKtOk90MwqsKB4suPoP40yoyRiVSw/RsIw5u6bumCqvLDiGrIpPzlntyOSvI70= =Dti0 -----END PGP SIGNATURE-----