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-lapp-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 21:37:22 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7c770d250b26b30325df3b7a09444f84dd3c683a * md5sum 81f51f4458650976c2daed0ec8dee73c 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) iQEcBAABAgAGBQJRrl4GAAoJEIXCXpWhbrlNkgsIAJv7rS7ZvIQ9JKpSl7OwTcru K98JhBPEmZ4cvgRyfQaBuV9zMNxCbo4IkqnQUZN1cedFRIPIdqi/SqDSoX0k1HxM 4/7agIcVNiEgCW6SHKL1B/jTb6WhPHpr4dh3+gxdncHNb8HHhry5qiObWnrF0rjM yNR/+1ThbhRwoVFUrZ/kzkhvzCOOHNnMHbl7ZbIEH6T/w4iEg688QIigkgCWBY/p zlc0wPR2k6IZ/2PYTrf5UglSaKbMW+Y5W8f4cqPy/ioajCuzwHKv5iCKvOXZAUAV sIMoQrf39PndjTuqeeqN+DidcCkBFcpfYbysSR94WCXAdL9POY0dPz41qb4q1L0= =fpCs -----END PGP SIGNATURE-----