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-bugzilla-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 19:44:52 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ab7acaa84c84124d3cc28270ff68dd2ac8ad4a19 * md5sum 7ef169cfb21f9a3de5bb22ad288f7311 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) iQEcBAABAgAGBQJRrkOlAAoJEIXCXpWhbrlNzfYH/A4obdnsdQsk6CwL0yjsSOx9 Wg4kDYNiOJvFJ4XreOqrisRIvRj6hzHWNWDY03XE87RX26+d6YmYmBBIGPWxF+Y4 /EOtFy9OZI50aMmKp7u/jujobaD5U6tEX6FseIphguGABv2zbTBIswoZnNOOhAP9 xIoHtnMY1prNxDhi/7IPM/tyuhje7VUdVkHter4KEH6abG+Recgu90fGdRm/dli7 rwft85DiT5wsVsMai2piLHLxdv3TgBd4ViSTuLQsKJjst7VUrRaKwHYOGvs7czwX bk0I1JZUNBSbuxAzU3Hb+i72M5Jqzxjmpn2UcoRmLnIXL4yO4K5nOoH3VuuujWI= =xxqM -----END PGP SIGNATURE-----