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-dokuwiki-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 15:36:26 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum fe5b36222acca06f7847319ae92333f7f20b43ba * md5sum bf18d5df211f27aecf61edf7857343f7 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) iQEcBAABAgAGBQJQM6ryAAoJEIXCXpWhbrlN3PMIANx30qBNRTyaKe4C9mHA0iGS 0R89sUuKKwYTqPYJP4BM9nUd1KY+1WIY2Uy0+WQta8akT7JqvopnYPxXCECY4C81 WCSuBrGLtyZMHado35Bk53aUaXGs63CUDJKPgl3Ejl3RyGcLvrfnqZRDDE21SU50 0UwEkk815+nTIS6YyX2G0+kKcYTfyztTDzmamPX2tKXXyiC+JWvB1GCn9EbXBtQY 2a1wtrxwaBL7ELos35XFydLWEvIBmB7Ewtt/XbpTDK1BCdRNISeNs06wq4tJhLGw uMz9cIU7QPmdl0RnvIFjkCu3y0pVWSiS4EgUlkDl+oyZwN510ZU/cWpnX54SAos= =xyIW -----END PGP SIGNATURE-----